* THIS ROUTINE DOES NOT DETECT DUPLICATE OCCURRENCES OF POINTER peasycap
*/
/*---------------------------------------------------------------------------*/
-int
-isdongle(struct easycap *peasycap)
+int isdongle(struct easycap *peasycap)
{
-int k;
-if (NULL == peasycap)
- return -2;
-for (k = 0; k < DONGLE_MANY; k++) {
- if (easycapdc60_dongle[k].peasycap == peasycap) {
- peasycap->isdongle = k;
- return k;
+ int k;
+ if (NULL == peasycap)
+ return -2;
+ for (k = 0; k < DONGLE_MANY; k++) {
+ if (easycapdc60_dongle[k].peasycap == peasycap) {
+ peasycap->isdongle = k;
+ return k;
+ }
}
-}
-return -1;
+ return -1;
}
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
static int easycap_open(struct inode *inode, struct file *file)
{
-#ifndef EASYCAP_IS_VIDEODEV_CLIENT
-struct usb_interface *pusb_interface;
-#else
-struct video_device *pvideo_device;
-#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
-struct easycap *peasycap;
-int rc;
+ #ifndef EASYCAP_IS_VIDEODEV_CLIENT
+ struct usb_interface *pusb_interface;
+ #else
+ struct video_device *pvideo_device;
+ #endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
+ struct easycap *peasycap;
+ int rc;
-JOT(4, "\n");
-SAY("==========OPEN=========\n");
+ JOT(4, "\n");
+ SAY("==========OPEN=========\n");
/*---------------------------------------------------------------------------*/
#ifndef EASYCAP_IS_VIDEODEV_CLIENT
-if (NULL == inode) {
- SAY("ERROR: inode is NULL.\n");
- return -EFAULT;
-}
-pusb_interface = usb_find_interface(&easycap_usb_driver, iminor(inode));
-if (!pusb_interface) {
- SAY("ERROR: pusb_interface is NULL.\n");
- return -EFAULT;
-}
-peasycap = usb_get_intfdata(pusb_interface);
+ if (NULL == inode) {
+ SAY("ERROR: inode is NULL.\n");
+ return -EFAULT;
+ }
+ pusb_interface = usb_find_interface(&easycap_usb_driver, iminor(inode));
+ if (!pusb_interface) {
+ SAY("ERROR: pusb_interface is NULL.\n");
+ return -EFAULT;
+ }
+ peasycap = usb_get_intfdata(pusb_interface);
/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
#else
-pvideo_device = video_devdata(file);
-if (NULL == pvideo_device) {
- SAY("ERROR: pvideo_device is NULL.\n");
- return -EFAULT;
-}
-peasycap = (struct easycap *)video_get_drvdata(pvideo_device);
+ pvideo_device = video_devdata(file);
+ if (NULL == pvideo_device) {
+ SAY("ERROR: pvideo_device is NULL.\n");
+ return -EFAULT;
+ }
+ peasycap = (struct easycap *)video_get_drvdata(pvideo_device);
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
-/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
- SAY("ERROR: bad peasycap: %p\n", peasycap);
- return -EFAULT;
-}
-if (NULL == peasycap->pusb_device) {
- SAM("ERROR: peasycap->pusb_device is NULL\n");
- return -EFAULT;
-} else {
- JOM(16, "peasycap->pusb_device=%p\n", peasycap->pusb_device);
-}
-file->private_data = peasycap;
-rc = wakeup_device(peasycap->pusb_device);
-if (0 == rc)
- JOM(8, "wakeup_device() OK\n");
-else {
- SAM("ERROR: wakeup_device() returned %i\n", rc);
- if (-ENODEV == rc)
- SAM("ERROR: wakeup_device() returned -ENODEV\n");
- else
- SAM("ERROR: wakeup_device() returned %i\n", rc);
- return rc;
-}
-peasycap->input = 0;
-rc = reset(peasycap);
-if (rc) {
- SAM("ERROR: reset() returned %i\n", rc);
- return -EFAULT;
-}
-return 0;
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
+ SAY("ERROR: bad peasycap: %p\n", peasycap);
+ return -EFAULT;
+ }
+ if (NULL == peasycap->pusb_device) {
+ SAM("ERROR: peasycap->pusb_device is NULL\n");
+ return -EFAULT;
+ } else {
+ JOM(16, "peasycap->pusb_device=%p\n", peasycap->pusb_device);
+ }
+ file->private_data = peasycap;
+ rc = wakeup_device(peasycap->pusb_device);
+ if (0 == rc)
+ JOM(8, "wakeup_device() OK\n");
+ else {
+ SAM("ERROR: wakeup_device() rc = %i\n", rc);
+ if (-ENODEV == rc)
+ SAM("ERROR: wakeup_device() returned -ENODEV\n");
+ else
+ SAM("ERROR: wakeup_device() rc = %i\n", rc);
+ return rc;
+ }
+ peasycap->input = 0;
+ rc = reset(peasycap);
+ if (rc) {
+ SAM("ERROR: reset() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ return 0;
}
/*****************************************************************************/
/*---------------------------------------------------------------------------*/
static int reset(struct easycap *peasycap)
{
-struct easycap_standard const *peasycap_standard;
-int i, rc, input, rate;
-bool ntsc, other;
+ struct easycap_standard const *peasycap_standard;
+ int i, rc, input, rate;
+ bool ntsc, other;
+ int fmtidx;
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-input = peasycap->input;
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ input = peasycap->input;
/*---------------------------------------------------------------------------*/
/*
* COMPLETE, SO SHOULD NOT BE INVOKED WITHOUT GOOD REASON.
*/
/*---------------------------------------------------------------------------*/
-other = false;
-if (true == peasycap->ntsc)
- JOM(8, "true=peasycap->ntsc\n");
-else
- JOM(8, "false=peasycap->ntsc\n");
-rate = ready_saa(peasycap->pusb_device);
-if (0 > rate) {
- JOM(8, "not ready to capture after %i ms ...\n", PATIENCE);
- if (true == peasycap->ntsc) {
- JOM(8, "... trying PAL ...\n"); ntsc = false;
- } else {
- JOM(8, "... trying NTSC ...\n"); ntsc = true;
-}
-rc = setup_stk(peasycap->pusb_device, ntsc);
-if (0 == rc)
- JOM(4, "setup_stk() OK\n");
-else {
- SAM("ERROR: setup_stk() returned %i\n", rc);
- return -EFAULT;
-}
-rc = setup_saa(peasycap->pusb_device, ntsc);
-if (0 == rc)
- JOM(4, "setup_saa() OK\n");
-else {
- SAM("ERROR: setup_saa() returned %i\n", rc);
- return -EFAULT;
-}
-rate = ready_saa(peasycap->pusb_device);
-if (0 > rate) {
- JOM(8, "not ready to capture after %i ms ...\n", PATIENCE);
- JOM(8, "... saa register 0x1F has 0x%02X\n",
- read_saa(peasycap->pusb_device, 0x1F));
- ntsc = peasycap->ntsc;
+ other = false;
+ JOM(8, "peasycap->ntsc=%d\n", peasycap->ntsc);
+
+ rate = ready_saa(peasycap->pusb_device);
+ if (0 > rate) {
+ JOM(8, "not ready to capture after %i ms ...\n", PATIENCE);
+ if (true == peasycap->ntsc) {
+ JOM(8, "... trying PAL ...\n"); ntsc = false;
+ } else {
+ JOM(8, "... trying NTSC ...\n"); ntsc = true;
+ }
+ rc = setup_stk(peasycap->pusb_device, ntsc);
+ if (0 == rc)
+ JOM(4, "setup_stk() OK\n");
+ else {
+ SAM("ERROR: setup_stk() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ rc = setup_saa(peasycap->pusb_device, ntsc);
+ if (0 == rc)
+ JOM(4, "setup_saa() OK\n");
+ else {
+ SAM("ERROR: setup_saa() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ rate = ready_saa(peasycap->pusb_device);
+ if (0 > rate) {
+ JOM(8, "not ready to capture after %i ms ...\n", PATIENCE);
+ JOM(8, "... saa register 0x1F has 0x%02X\n",
+ read_saa(peasycap->pusb_device, 0x1F));
+ ntsc = peasycap->ntsc;
+ } else {
+ JOM(8, "... success at second try: %i=rate\n", rate);
+ ntsc = (0 < (rate/2)) ? true : false ;
+ other = true;
+ }
} else {
- JOM(8, "... success at second try: %i=rate\n", rate);
- ntsc = (0 < (rate/2)) ? true : false ;
- other = true;
+ JOM(8, "... success at first try: %i=rate\n", rate);
+ ntsc = (0 < rate/2) ? true : false ;
}
-} else {
- JOM(8, "... success at first try: %i=rate\n", rate);
- ntsc = (0 < rate/2) ? true : false ;
-}
-if (true == ntsc)
- JOM(8, "true=ntsc\n");
-else
- JOM(8, "false=ntsc\n");
-/*---------------------------------------------------------------------------*/
-
-rc = setup_stk(peasycap->pusb_device, ntsc);
-if (0 == rc)
- JOM(4, "setup_stk() OK\n");
-else {
- SAM("ERROR: setup_stk() returned %i\n", rc);
- return -EFAULT;
-}
-rc = setup_saa(peasycap->pusb_device, ntsc);
-if (0 == rc)
- JOM(4, "setup_saa() OK\n");
-else {
- SAM("ERROR: setup_saa() returned %i\n", rc);
- return -EFAULT;
-}
+ JOM(8, "ntsc=%d\n", ntsc);
+/*---------------------------------------------------------------------------*/
-for (i = 0; i < 180; i++)
- peasycap->merit[i] = 0;
-peasycap->video_eof = 0;
-peasycap->audio_eof = 0;
-do_gettimeofday(&peasycap->timeval7);
+ rc = setup_stk(peasycap->pusb_device, ntsc);
+ if (0 == rc)
+ JOM(4, "setup_stk() OK\n");
+ else {
+ SAM("ERROR: setup_stk() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ rc = setup_saa(peasycap->pusb_device, ntsc);
+ if (0 == rc)
+ JOM(4, "setup_saa() OK\n");
+ else {
+ SAM("ERROR: setup_saa() rc = %i\n", rc);
+ return -EFAULT;
+ }
+
+ for (i = 0; i < 180; i++)
+ peasycap->merit[i] = 0;
+
+ peasycap->video_eof = 0;
+ peasycap->audio_eof = 0;
+ do_gettimeofday(&peasycap->timeval7);
/*---------------------------------------------------------------------------*/
/*
* RESTORE INPUT AND FORCE REFRESH OF STANDARD, FORMAT, ETC.
* WHILE THIS PROCEDURE IS IN PROGRESS, SOME IOCTL COMMANDS WILL RETURN -EBUSY.
*/
/*---------------------------------------------------------------------------*/
-peasycap->input = -8192;
-peasycap->standard_offset = -8192;
-if (true == other) {
- peasycap_standard = &easycap_standard[0];
- while (0xFFFF != peasycap_standard->mask) {
- if (true == ntsc) {
- if (NTSC_M == peasycap_standard->v4l2_standard.index) {
- peasycap->inputset[input].standard_offset =
- peasycap_standard -
- &easycap_standard[0];
- break;
- }
- } else {
- if (PAL_BGHIN ==
- peasycap_standard->v4l2_standard.index) {
+ peasycap->input = -8192;
+ peasycap->standard_offset = -8192;
+ fmtidx = ntsc ? NTSC_M : PAL_BGHIN;
+ if (other) {
+ peasycap_standard = &easycap_standard[0];
+ while (0xFFFF != peasycap_standard->mask) {
+ if (fmtidx == peasycap_standard->v4l2_standard.index) {
peasycap->inputset[input].standard_offset =
- peasycap_standard -
- &easycap_standard[0];
+ peasycap_standard - easycap_standard;
break;
}
+ peasycap_standard++;
}
- peasycap_standard++;
- }
- if (0xFFFF == peasycap_standard->mask) {
- SAM("ERROR: standard not found\n");
- return -EINVAL;
+ if (0xFFFF == peasycap_standard->mask) {
+ SAM("ERROR: standard not found\n");
+ return -EINVAL;
+ }
+ JOM(8, "%i=peasycap->inputset[%i].standard_offset\n",
+ peasycap->inputset[input].standard_offset, input);
}
-JOM(8, "%i=peasycap->inputset[%i].standard_offset\n",
- peasycap->inputset[input].standard_offset, input);
-}
-peasycap->format_offset = -8192;
-peasycap->brightness = -8192;
-peasycap->contrast = -8192;
-peasycap->saturation = -8192;
-peasycap->hue = -8192;
+ peasycap->format_offset = -8192;
+ peasycap->brightness = -8192;
+ peasycap->contrast = -8192;
+ peasycap->saturation = -8192;
+ peasycap->hue = -8192;
-rc = newinput(peasycap, input);
+ rc = newinput(peasycap, input);
-if (0 == rc)
+ if (rc) {
+ SAM("ERROR: newinput(.,%i) rc = %i\n", rc, input);
+ return -EFAULT;
+ }
JOM(4, "restored input, standard and format\n");
-else {
- SAM("ERROR: newinput(.,%i) returned %i\n", rc, input);
- return -EFAULT;
-}
-if (true == peasycap->ntsc)
- JOM(8, "true=peasycap->ntsc\n");
-else
- JOM(8, "false=peasycap->ntsc\n");
-
-if (0 > peasycap->input) {
- SAM("MISTAKE: %i=peasycap->input\n", peasycap->input);
- return -ENOENT;
-}
-if (0 > peasycap->standard_offset) {
- SAM("MISTAKE: %i=peasycap->standard_offset\n",
- peasycap->standard_offset);
- return -ENOENT;
-}
-if (0 > peasycap->format_offset) {
- SAM("MISTAKE: %i=peasycap->format_offset\n",
- peasycap->format_offset);
- return -ENOENT;
-}
-if (0 > peasycap->brightness) {
- SAM("MISTAKE: %i=peasycap->brightness\n", peasycap->brightness);
- return -ENOENT;
-}
-if (0 > peasycap->contrast) {
- SAM("MISTAKE: %i=peasycap->contrast\n", peasycap->contrast);
- return -ENOENT;
-}
-if (0 > peasycap->saturation) {
- SAM("MISTAKE: %i=peasycap->saturation\n", peasycap->saturation);
- return -ENOENT;
-}
-if (0 > peasycap->hue) {
- SAM("MISTAKE: %i=peasycap->hue\n", peasycap->hue);
- return -ENOENT;
-}
-return 0;
+
+ JOM(8, "true=peasycap->ntsc %d\n", peasycap->ntsc);
+
+ if (0 > peasycap->input) {
+ SAM("MISTAKE: %i=peasycap->input\n", peasycap->input);
+ return -ENOENT;
+ }
+ if (0 > peasycap->standard_offset) {
+ SAM("MISTAKE: %i=peasycap->standard_offset\n",
+ peasycap->standard_offset);
+ return -ENOENT;
+ }
+ if (0 > peasycap->format_offset) {
+ SAM("MISTAKE: %i=peasycap->format_offset\n",
+ peasycap->format_offset);
+ return -ENOENT;
+ }
+ if (0 > peasycap->brightness) {
+ SAM("MISTAKE: %i=peasycap->brightness\n",
+ peasycap->brightness);
+ return -ENOENT;
+ }
+ if (0 > peasycap->contrast) {
+ SAM("MISTAKE: %i=peasycap->contrast\n", peasycap->contrast);
+ return -ENOENT;
+ }
+ if (0 > peasycap->saturation) {
+ SAM("MISTAKE: %i=peasycap->saturation\n",
+ peasycap->saturation);
+ return -ENOENT;
+ }
+ if (0 > peasycap->hue) {
+ SAM("MISTAKE: %i=peasycap->hue\n", peasycap->hue);
+ return -ENOENT;
+ }
+ return 0;
}
/*****************************************************************************/
/*---------------------------------------------------------------------------*/
int
newinput(struct easycap *peasycap, int input)
{
-int rc, k, m, mood, off;
-int inputnow, video_idlenow, audio_idlenow;
-bool resubmit;
+ int rc, k, m, mood, off;
+ int inputnow, video_idlenow, audio_idlenow;
+ bool resubmit;
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-JOM(8, "%i=input sought\n", input);
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ JOM(8, "%i=input sought\n", input);
-if (0 > input && INPUT_MANY <= input)
- return -ENOENT;
-inputnow = peasycap->input;
-if (input == inputnow)
- return 0;
+ if (0 > input && INPUT_MANY <= input)
+ return -ENOENT;
+ inputnow = peasycap->input;
+ if (input == inputnow)
+ return 0;
/*---------------------------------------------------------------------------*/
/*
* IF STREAMING IS IN PROGRESS THE URBS ARE KILLED AT THIS
* ROUTINE.
*/
/*---------------------------------------------------------------------------*/
-video_idlenow = peasycap->video_idle;
-audio_idlenow = peasycap->audio_idle;
+ video_idlenow = peasycap->video_idle;
+ audio_idlenow = peasycap->audio_idle;
-peasycap->video_idle = 1;
-peasycap->audio_idle = 1;
-if (peasycap->video_isoc_streaming) {
- resubmit = true;
- kill_video_urbs(peasycap);
-} else
- resubmit = false;
+ peasycap->video_idle = 1;
+ peasycap->audio_idle = 1;
+ if (peasycap->video_isoc_streaming) {
+ resubmit = true;
+ kill_video_urbs(peasycap);
+ } else {
+ resubmit = false;
+ }
/*---------------------------------------------------------------------------*/
-if (NULL == peasycap->pusb_device) {
- SAM("ERROR: peasycap->pusb_device is NULL\n");
- return -ENODEV;
-}
-rc = usb_set_interface(peasycap->pusb_device,
- peasycap->video_interface,
- peasycap->video_altsetting_off);
-if (rc) {
- SAM("ERROR: usb_set_interface() returned %i\n", rc);
- return -EFAULT;
-}
-rc = stop_100(peasycap->pusb_device);
-if (rc) {
- SAM("ERROR: stop_100() returned %i\n", rc);
- return -EFAULT;
-}
-for (k = 0; k < FIELD_BUFFER_MANY; k++) {
- for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++)
- memset(peasycap->field_buffer[k][m].pgo, 0, PAGE_SIZE);
-}
-for (k = 0; k < FRAME_BUFFER_MANY; k++) {
- for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++)
- memset(peasycap->frame_buffer[k][m].pgo, 0, PAGE_SIZE);
-}
-peasycap->field_page = 0;
-peasycap->field_read = 0;
-peasycap->field_fill = 0;
-
-peasycap->frame_read = 0;
-peasycap->frame_fill = 0;
-for (k = 0; k < peasycap->input; k++) {
- (peasycap->frame_fill)++;
- if (peasycap->frame_buffer_many <= peasycap->frame_fill)
- peasycap->frame_fill = 0;
-}
-peasycap->input = input;
-select_input(peasycap->pusb_device, peasycap->input, 9);
+ if (NULL == peasycap->pusb_device) {
+ SAM("ERROR: peasycap->pusb_device is NULL\n");
+ return -ENODEV;
+ }
+ rc = usb_set_interface(peasycap->pusb_device,
+ peasycap->video_interface,
+ peasycap->video_altsetting_off);
+ if (rc) {
+ SAM("ERROR: usb_set_interface() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ rc = stop_100(peasycap->pusb_device);
+ if (rc) {
+ SAM("ERROR: stop_100() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ for (k = 0; k < FIELD_BUFFER_MANY; k++) {
+ for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++)
+ memset(peasycap->field_buffer[k][m].pgo, 0, PAGE_SIZE);
+ }
+ for (k = 0; k < FRAME_BUFFER_MANY; k++) {
+ for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++)
+ memset(peasycap->frame_buffer[k][m].pgo, 0, PAGE_SIZE);
+ }
+ peasycap->field_page = 0;
+ peasycap->field_read = 0;
+ peasycap->field_fill = 0;
+
+ peasycap->frame_read = 0;
+ peasycap->frame_fill = 0;
+ for (k = 0; k < peasycap->input; k++) {
+ (peasycap->frame_fill)++;
+ if (peasycap->frame_buffer_many <= peasycap->frame_fill)
+ peasycap->frame_fill = 0;
+ }
+ peasycap->input = input;
+ select_input(peasycap->pusb_device, peasycap->input, 9);
/*---------------------------------------------------------------------------*/
-if (input == peasycap->inputset[input].input) {
- off = peasycap->inputset[input].standard_offset;
- if (off != peasycap->standard_offset) {
- rc = adjust_standard(peasycap,
+ if (input == peasycap->inputset[input].input) {
+ off = peasycap->inputset[input].standard_offset;
+ if (off != peasycap->standard_offset) {
+ rc = adjust_standard(peasycap,
easycap_standard[off].v4l2_standard.id);
- if (rc) {
- SAM("ERROR: adjust_standard() returned %i\n", rc);
- return -EFAULT;
- }
- JOM(8, "%i=peasycap->standard_offset\n",
- peasycap->standard_offset);
- } else {
- JOM(8, "%i=peasycap->standard_offset unchanged\n",
+ if (rc) {
+ SAM("ERROR: adjust_standard() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ JOM(8, "%i=peasycap->standard_offset\n",
+ peasycap->standard_offset);
+ } else {
+ JOM(8, "%i=peasycap->standard_offset unchanged\n",
peasycap->standard_offset);
- }
- off = peasycap->inputset[input].format_offset;
- if (off != peasycap->format_offset) {
- rc = adjust_format(peasycap,
- easycap_format[off].v4l2_format.fmt.pix.width,
- easycap_format[off].v4l2_format.fmt.pix.height,
- easycap_format[off].v4l2_format.fmt.pix.pixelformat,
- easycap_format[off].v4l2_format.fmt.pix.field, false);
- if (0 > rc) {
- SAM("ERROR: adjust_format() returned %i\n", rc);
- return -EFAULT;
}
- JOM(8, "%i=peasycap->format_offset\n", peasycap->format_offset);
- } else {
- JOM(8, "%i=peasycap->format_offset unchanged\n",
- peasycap->format_offset);
- }
- mood = peasycap->inputset[input].brightness;
- if (mood != peasycap->brightness) {
- rc = adjust_brightness(peasycap, mood);
- if (rc) {
- SAM("ERROR: adjust_brightness returned %i\n", rc);
- return -EFAULT;
+ off = peasycap->inputset[input].format_offset;
+ if (off != peasycap->format_offset) {
+ struct v4l2_pix_format *pix =
+ &easycap_format[off].v4l2_format.fmt.pix;
+ rc = adjust_format(peasycap,
+ pix->width, pix->height,
+ pix->pixelformat, pix->field, false);
+ if (0 > rc) {
+ SAM("ERROR: adjust_format() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ JOM(8, "%i=peasycap->format_offset\n",
+ peasycap->format_offset);
+ } else {
+ JOM(8, "%i=peasycap->format_offset unchanged\n",
+ peasycap->format_offset);
}
- JOM(8, "%i=peasycap->brightness\n", peasycap->brightness);
- }
- mood = peasycap->inputset[input].contrast;
- if (mood != peasycap->contrast) {
- rc = adjust_contrast(peasycap, mood);
- if (rc) {
- SAM("ERROR: adjust_contrast returned %i\n", rc);
- return -EFAULT;
+ mood = peasycap->inputset[input].brightness;
+ if (mood != peasycap->brightness) {
+ rc = adjust_brightness(peasycap, mood);
+ if (rc) {
+ SAM("ERROR: adjust_brightness rc = %i\n", rc);
+ return -EFAULT;
+ }
+ JOM(8, "%i=peasycap->brightness\n",
+ peasycap->brightness);
}
- JOM(8, "%i=peasycap->contrast\n", peasycap->contrast);
- }
- mood = peasycap->inputset[input].saturation;
- if (mood != peasycap->saturation) {
- rc = adjust_saturation(peasycap, mood);
- if (rc) {
- SAM("ERROR: adjust_saturation returned %i\n", rc);
- return -EFAULT;
+ mood = peasycap->inputset[input].contrast;
+ if (mood != peasycap->contrast) {
+ rc = adjust_contrast(peasycap, mood);
+ if (rc) {
+ SAM("ERROR: adjust_contrast rc = %i\n", rc);
+ return -EFAULT;
+ }
+ JOM(8, "%i=peasycap->contrast\n", peasycap->contrast);
}
- JOM(8, "%i=peasycap->saturation\n", peasycap->saturation);
- }
- mood = peasycap->inputset[input].hue;
- if (mood != peasycap->hue) {
- rc = adjust_hue(peasycap, mood);
- if (rc) {
- SAM("ERROR: adjust_hue returned %i\n", rc);
- return -EFAULT;
+ mood = peasycap->inputset[input].saturation;
+ if (mood != peasycap->saturation) {
+ rc = adjust_saturation(peasycap, mood);
+ if (rc) {
+ SAM("ERROR: adjust_saturation rc = %i\n", rc);
+ return -EFAULT;
+ }
+ JOM(8, "%i=peasycap->saturation\n",
+ peasycap->saturation);
+ }
+ mood = peasycap->inputset[input].hue;
+ if (mood != peasycap->hue) {
+ rc = adjust_hue(peasycap, mood);
+ if (rc) {
+ SAM("ERROR: adjust_hue rc = %i\n", rc);
+ return -EFAULT;
+ }
+ JOM(8, "%i=peasycap->hue\n", peasycap->hue);
}
- JOM(8, "%i=peasycap->hue\n", peasycap->hue);
+ } else {
+ SAM("MISTAKE: easycap.inputset[%i] unpopulated\n", input);
+ return -ENOENT;
}
-} else {
- SAM("MISTAKE: easycap.inputset[%i] unpopulated\n", input);
- return -ENOENT;
-}
/*---------------------------------------------------------------------------*/
-if (NULL == peasycap->pusb_device) {
- SAM("ERROR: peasycap->pusb_device is NULL\n");
- return -ENODEV;
-}
-rc = usb_set_interface(peasycap->pusb_device,
- peasycap->video_interface,
- peasycap->video_altsetting_on);
-if (rc) {
- SAM("ERROR: usb_set_interface() returned %i\n", rc);
- return -EFAULT;
-}
-rc = start_100(peasycap->pusb_device);
-if (rc) {
- SAM("ERROR: start_100() returned %i\n", rc);
- return -EFAULT;
-}
-if (true == resubmit)
- submit_video_urbs(peasycap);
+ if (NULL == peasycap->pusb_device) {
+ SAM("ERROR: peasycap->pusb_device is NULL\n");
+ return -ENODEV;
+ }
+ rc = usb_set_interface(peasycap->pusb_device,
+ peasycap->video_interface,
+ peasycap->video_altsetting_on);
+ if (rc) {
+ SAM("ERROR: usb_set_interface() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ rc = start_100(peasycap->pusb_device);
+ if (rc) {
+ SAM("ERROR: start_100() rc = %i\n", rc);
+ return -EFAULT;
+ }
+ if (true == resubmit)
+ submit_video_urbs(peasycap);
-peasycap->video_isoc_sequence = VIDEO_ISOC_BUFFER_MANY - 1;
-peasycap->video_idle = video_idlenow;
-peasycap->audio_idle = audio_idlenow;
-peasycap->video_junk = 0;
+ peasycap->video_isoc_sequence = VIDEO_ISOC_BUFFER_MANY - 1;
+ peasycap->video_idle = video_idlenow;
+ peasycap->audio_idle = audio_idlenow;
+ peasycap->video_junk = 0;
-return 0;
+ return 0;
}
/*****************************************************************************/
int submit_video_urbs(struct easycap *peasycap)
{
-struct data_urb *pdata_urb;
-struct urb *purb;
-struct list_head *plist_head;
-int j, isbad, nospc, m, rc;
-int isbuf;
-
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
+ struct data_urb *pdata_urb;
+ struct urb *purb;
+ struct list_head *plist_head;
+ int j, isbad, nospc, m, rc;
+ int isbuf;
-if (NULL == peasycap->purb_video_head) {
- SAY("ERROR: peasycap->urb_video_head uninitialized\n");
- return -EFAULT;
-}
-if (NULL == peasycap->pusb_device) {
- SAY("ERROR: peasycap->pusb_device is NULL\n");
- return -ENODEV;
-}
-if (!peasycap->video_isoc_streaming) {
- JOM(4, "submission of all video urbs\n");
- isbad = 0; nospc = 0; m = 0;
- list_for_each(plist_head, (peasycap->purb_video_head)) {
- pdata_urb = list_entry(plist_head, struct data_urb, list_head);
- if (NULL != pdata_urb) {
- purb = pdata_urb->purb;
- if (NULL != purb) {
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+
+ if (NULL == peasycap->purb_video_head) {
+ SAY("ERROR: peasycap->urb_video_head uninitialized\n");
+ return -EFAULT;
+ }
+ if (NULL == peasycap->pusb_device) {
+ SAY("ERROR: peasycap->pusb_device is NULL\n");
+ return -ENODEV;
+ }
+ if (!peasycap->video_isoc_streaming) {
+ JOM(4, "submission of all video urbs\n");
+ isbad = 0; nospc = 0; m = 0;
+ list_for_each(plist_head, (peasycap->purb_video_head)) {
+ pdata_urb = list_entry(plist_head,
+ struct data_urb, list_head);
+ if (pdata_urb && pdata_urb->purb) {
+ purb = pdata_urb->purb;
isbuf = pdata_urb->isbuf;
purb->interval = 1;
purb->dev = peasycap->pusb_device;
purb->number_of_packets =
peasycap->video_isoc_framesperdesc;
- for (j = 0; j < peasycap->
- video_isoc_framesperdesc; j++) {
- purb->iso_frame_desc[j].
- offset = j *
- peasycap->
- video_isoc_maxframesize;
- purb->iso_frame_desc[j].
- length = peasycap->
- video_isoc_maxframesize;
- }
+ for (j = 0; j < peasycap->video_isoc_framesperdesc; j++) {
+ purb->iso_frame_desc[j]. offset =
+ j * peasycap->video_isoc_maxframesize;
+ purb->iso_frame_desc[j]. length =
+ peasycap->video_isoc_maxframesize;
+ }
rc = usb_submit_urb(purb, GFP_KERNEL);
if (rc) {
isbad++;
SAM("ERROR: usb_submit_urb() failed "
- "for urb with rc:-%s\n",
+ "for urb with rc:-%s\n",
strerror(rc));
if (rc == -ENOSPC)
nospc++;
} else {
isbad++;
}
- } else {
- isbad++;
}
- }
- if (nospc) {
- SAM("-ENOSPC=usb_submit_urb() for %i urbs\n", nospc);
- SAM("..... possibly inadequate USB bandwidth\n");
- peasycap->video_eof = 1;
- }
+ if (nospc) {
+ SAM("-ENOSPC=usb_submit_urb() for %i urbs\n", nospc);
+ SAM("..... possibly inadequate USB bandwidth\n");
+ peasycap->video_eof = 1;
+ }
- if (isbad) {
- JOM(4, "attempting cleanup instead of submitting\n");
- list_for_each(plist_head, (peasycap->purb_video_head)) {
- pdata_urb = list_entry(plist_head, struct data_urb,
- list_head);
- if (NULL != pdata_urb) {
- purb = pdata_urb->purb;
- if (NULL != purb)
- usb_kill_urb(purb);
+ if (isbad) {
+ JOM(4, "attempting cleanup instead of submitting\n");
+ list_for_each(plist_head, (peasycap->purb_video_head)) {
+ pdata_urb = list_entry(plist_head,
+ struct data_urb, list_head);
+ if (NULL != pdata_urb) {
+ purb = pdata_urb->purb;
+ if (NULL != purb)
+ usb_kill_urb(purb);
+ }
}
+ peasycap->video_isoc_streaming = 0;
+ } else {
+ peasycap->video_isoc_streaming = 1;
+ JOM(4, "submitted %i video urbs\n", m);
}
- peasycap->video_isoc_streaming = 0;
} else {
- peasycap->video_isoc_streaming = 1;
- JOM(4, "submitted %i video urbs\n", m);
+ JOM(4, "already streaming video urbs\n");
}
-} else {
- JOM(4, "already streaming video urbs\n");
-}
-return 0;
+ return 0;
}
/*****************************************************************************/
-int
-kill_video_urbs(struct easycap *peasycap)
+int kill_video_urbs(struct easycap *peasycap)
{
-int m;
-struct list_head *plist_head;
-struct data_urb *pdata_urb;
+ int m;
+ struct list_head *plist_head;
+ struct data_urb *pdata_urb;
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-if (peasycap->video_isoc_streaming) {
- if (NULL != peasycap->purb_video_head) {
- peasycap->video_isoc_streaming = 0;
- JOM(4, "killing video urbs\n");
- m = 0;
- list_for_each(plist_head, (peasycap->purb_video_head)) {
- pdata_urb = list_entry(plist_head, struct data_urb,
- list_head);
- if (NULL != pdata_urb) {
- if (NULL != pdata_urb->purb) {
- usb_kill_urb(pdata_urb->purb);
- m++;
- }
- }
- }
- JOM(4, "%i video urbs killed\n", m);
- } else {
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ if (!peasycap->video_isoc_streaming) {
+ JOM(8, "%i=video_isoc_streaming, no video urbs killed\n",
+ peasycap->video_isoc_streaming);
+ return 0;
+ }
+ if (!peasycap->purb_video_head) {
SAM("ERROR: peasycap->purb_video_head is NULL\n");
return -EFAULT;
}
-} else {
- JOM(8, "%i=video_isoc_streaming, no video urbs killed\n",
- peasycap->video_isoc_streaming);
-}
-return 0;
+
+ peasycap->video_isoc_streaming = 0;
+ JOM(4, "killing video urbs\n");
+ m = 0;
+ list_for_each(plist_head, (peasycap->purb_video_head)) {
+ pdata_urb = list_entry(plist_head, struct data_urb, list_head);
+ if (pdata_urb && pdata_urb->purb) {
+ usb_kill_urb(pdata_urb->purb);
+ m++;
+ }
+ }
+ JOM(4, "%i video urbs killed\n", m);
+
+ return 0;
}
/****************************************************************************/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
static int easycap_release(struct inode *inode, struct file *file)
{
#ifndef EASYCAP_IS_VIDEODEV_CLIENT
-struct easycap *peasycap;
+ struct easycap *peasycap;
-JOT(4, "\n");
-peasycap = file->private_data;
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL.\n");
- SAY("ending unsuccessfully\n");
- return -EFAULT;
-}
-if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
- SAY("ERROR: bad peasycap: %p\n", peasycap);
- return -EFAULT;
-}
-if (0 != kill_video_urbs(peasycap)) {
- SAM("ERROR: kill_video_urbs() failed\n");
- return -EFAULT;
-}
-JOM(4, "ending successfully\n");
-/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
-#else
-#
-/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
+ peasycap = file->private_data;
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL.\n");
+ SAY("ending unsuccessfully\n");
+ return -EFAULT;
+ }
+ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
+ SAY("ERROR: bad peasycap: %p\n", peasycap);
+ return -EFAULT;
+ }
+ if (0 != kill_video_urbs(peasycap)) {
+ SAM("ERROR: kill_video_urbs() failed\n");
+ return -EFAULT;
+ }
+ JOM(4, "ending successfully\n");
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
-return 0;
+ return 0;
}
#ifdef EASYCAP_IS_VIDEODEV_CLIENT
static int easycap_open_noinode(struct file *file)
}
static int videodev_release(struct video_device *pvideo_device)
{
-struct easycap *peasycap;
-
-JOT(4, "\n");
+ struct easycap *peasycap;
-peasycap = video_get_drvdata(pvideo_device);
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- SAY("ending unsuccessfully\n");
- return -EFAULT;
-}
-if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
- SAY("ERROR: bad peasycap: %p\n", peasycap);
- return -EFAULT;
-}
-if (0 != kill_video_urbs(peasycap)) {
- SAM("ERROR: kill_video_urbs() failed\n");
- return -EFAULT;
-}
-JOM(4, "ending successfully\n");
-return 0;
+ peasycap = video_get_drvdata(pvideo_device);
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ SAY("ending unsuccessfully\n");
+ return -EFAULT;
+ }
+ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
+ SAY("ERROR: bad peasycap: %p\n", peasycap);
+ return -EFAULT;
+ }
+ if (0 != kill_video_urbs(peasycap)) {
+ SAM("ERROR: kill_video_urbs() failed\n");
+ return -EFAULT;
+ }
+ JOM(4, "ending successfully\n");
+ return 0;
}
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
/*---------------------------------------------------------------------------*/
static void easycap_delete(struct kref *pkref)
{
-int k, m, gone, kd;
-int allocation_video_urb, allocation_video_page, allocation_video_struct;
-int allocation_audio_urb, allocation_audio_page, allocation_audio_struct;
-int registered_video, registered_audio;
-struct easycap *peasycap;
-struct data_urb *pdata_urb;
-struct list_head *plist_head, *plist_next;
-
-JOT(4, "\n");
-
-peasycap = container_of(pkref, struct easycap, kref);
-if (NULL == peasycap) {
- SAM("ERROR: peasycap is NULL: cannot perform deletions\n");
- return;
-}
-if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
- SAY("ERROR: bad peasycap: %p\n", peasycap);
- return;
-}
-kd = isdongle(peasycap);
+ struct easycap *peasycap;
+ struct data_urb *pdata_urb;
+ struct list_head *plist_head, *plist_next;
+ int k, m, gone, kd;
+ int allocation_video_urb;
+ int allocation_video_page;
+ int allocation_video_struct;
+ int allocation_audio_urb;
+ int allocation_audio_page;
+ int allocation_audio_struct;
+ int registered_video, registered_audio;
+
+ peasycap = container_of(pkref, struct easycap, kref);
+ if (NULL == peasycap) {
+ SAM("ERROR: peasycap is NULL: cannot perform deletions\n");
+ return;
+ }
+ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
+ SAY("ERROR: bad peasycap: %p\n", peasycap);
+ return;
+ }
+ kd = isdongle(peasycap);
/*---------------------------------------------------------------------------*/
/*
* FREE VIDEO.
*/
/*---------------------------------------------------------------------------*/
-if (NULL != peasycap->purb_video_head) {
- JOM(4, "freeing video urbs\n");
- m = 0;
- list_for_each(plist_head, (peasycap->purb_video_head)) {
- pdata_urb = list_entry(plist_head, struct data_urb, list_head);
- if (NULL == pdata_urb)
- JOM(4, "ERROR: pdata_urb is NULL\n");
- else {
- if (NULL != pdata_urb->purb) {
- usb_free_urb(pdata_urb->purb);
- pdata_urb->purb = NULL;
- peasycap->allocation_video_urb -= 1;
- m++;
+ if (NULL != peasycap->purb_video_head) {
+ JOM(4, "freeing video urbs\n");
+ m = 0;
+ list_for_each(plist_head, (peasycap->purb_video_head)) {
+ pdata_urb = list_entry(plist_head,
+ struct data_urb, list_head);
+ if (NULL == pdata_urb) {
+ JOM(4, "ERROR: pdata_urb is NULL\n");
+ } else {
+ if (NULL != pdata_urb->purb) {
+ usb_free_urb(pdata_urb->purb);
+ pdata_urb->purb = NULL;
+ peasycap->allocation_video_urb -= 1;
+ m++;
+ }
}
}
- }
- JOM(4, "%i video urbs freed\n", m);
+ JOM(4, "%i video urbs freed\n", m);
/*---------------------------------------------------------------------------*/
- JOM(4, "freeing video data_urb structures.\n");
- m = 0;
- list_for_each_safe(plist_head, plist_next, peasycap->purb_video_head) {
- pdata_urb = list_entry(plist_head, struct data_urb, list_head);
- if (NULL != pdata_urb) {
- kfree(pdata_urb); pdata_urb = NULL;
- peasycap->allocation_video_struct -=
+ JOM(4, "freeing video data_urb structures.\n");
+ m = 0;
+ list_for_each_safe(plist_head, plist_next,
+ peasycap->purb_video_head) {
+ pdata_urb = list_entry(plist_head,
+ struct data_urb, list_head);
+ if (pdata_urb) {
+ peasycap->allocation_video_struct -=
sizeof(struct data_urb);
- m++;
+ kfree(pdata_urb);
+ pdata_urb = NULL;
+ m++;
+ }
}
+ JOM(4, "%i video data_urb structures freed\n", m);
+ JOM(4, "setting peasycap->purb_video_head=NULL\n");
+ peasycap->purb_video_head = NULL;
}
- JOM(4, "%i video data_urb structures freed\n", m);
- JOM(4, "setting peasycap->purb_video_head=NULL\n");
- peasycap->purb_video_head = NULL;
-}
/*---------------------------------------------------------------------------*/
-JOM(4, "freeing video isoc buffers.\n");
-m = 0;
-for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) {
- if (NULL != peasycap->video_isoc_buffer[k].pgo) {
- free_pages((unsigned long)
- (peasycap->video_isoc_buffer[k].pgo),
- VIDEO_ISOC_ORDER);
- peasycap->video_isoc_buffer[k].pgo = NULL;
- peasycap->allocation_video_page -=
- ((unsigned int)(0x01 << VIDEO_ISOC_ORDER));
- m++;
+ JOM(4, "freeing video isoc buffers.\n");
+ m = 0;
+ for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) {
+ if (peasycap->video_isoc_buffer[k].pgo) {
+ free_pages((unsigned long)
+ peasycap->video_isoc_buffer[k].pgo,
+ VIDEO_ISOC_ORDER);
+ peasycap->video_isoc_buffer[k].pgo = NULL;
+ peasycap->allocation_video_page -=
+ BIT(VIDEO_ISOC_ORDER);
+ m++;
+ }
}
-}
-JOM(4, "isoc video buffers freed: %i pages\n", m * (0x01 << VIDEO_ISOC_ORDER));
-/*---------------------------------------------------------------------------*/
-JOM(4, "freeing video field buffers.\n");
-gone = 0;
-for (k = 0; k < FIELD_BUFFER_MANY; k++) {
- for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++) {
- if (NULL != peasycap->field_buffer[k][m].pgo) {
- free_page((unsigned long)
- (peasycap->field_buffer[k][m].pgo));
- peasycap->field_buffer[k][m].pgo = NULL;
- peasycap->allocation_video_page -= 1;
- gone++;
+ JOM(4, "isoc video buffers freed: %i pages\n",
+ m * (0x01 << VIDEO_ISOC_ORDER));
+/*---------------------------------------------------------------------------*/
+ JOM(4, "freeing video field buffers.\n");
+ gone = 0;
+ for (k = 0; k < FIELD_BUFFER_MANY; k++) {
+ for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++) {
+ if (NULL != peasycap->field_buffer[k][m].pgo) {
+ free_page((unsigned long)
+ peasycap->field_buffer[k][m].pgo);
+ peasycap->field_buffer[k][m].pgo = NULL;
+ peasycap->allocation_video_page -= 1;
+ gone++;
+ }
}
}
-}
-JOM(4, "video field buffers freed: %i pages\n", gone);
-/*---------------------------------------------------------------------------*/
-JOM(4, "freeing video frame buffers.\n");
-gone = 0;
-for (k = 0; k < FRAME_BUFFER_MANY; k++) {
- for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++) {
- if (NULL != peasycap->frame_buffer[k][m].pgo) {
- free_page((unsigned long)
- (peasycap->frame_buffer[k][m].pgo));
- peasycap->frame_buffer[k][m].pgo = NULL;
- peasycap->allocation_video_page -= 1;
- gone++;
+ JOM(4, "video field buffers freed: %i pages\n", gone);
+/*---------------------------------------------------------------------------*/
+ JOM(4, "freeing video frame buffers.\n");
+ gone = 0;
+ for (k = 0; k < FRAME_BUFFER_MANY; k++) {
+ for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++) {
+ if (NULL != peasycap->frame_buffer[k][m].pgo) {
+ free_page((unsigned long)
+ peasycap->frame_buffer[k][m].pgo);
+ peasycap->frame_buffer[k][m].pgo = NULL;
+ peasycap->allocation_video_page -= 1;
+ gone++;
+ }
}
}
-}
-JOM(4, "video frame buffers freed: %i pages\n", gone);
+ JOM(4, "video frame buffers freed: %i pages\n", gone);
/*---------------------------------------------------------------------------*/
/*
* FREE AUDIO.
*/
/*---------------------------------------------------------------------------*/
-if (NULL != peasycap->purb_audio_head) {
- JOM(4, "freeing audio urbs\n");
- m = 0;
- list_for_each(plist_head, (peasycap->purb_audio_head)) {
- pdata_urb = list_entry(plist_head, struct data_urb, list_head);
- if (NULL == pdata_urb)
- JOM(4, "ERROR: pdata_urb is NULL\n");
- else {
- if (NULL != pdata_urb->purb) {
- usb_free_urb(pdata_urb->purb);
- pdata_urb->purb = NULL;
- peasycap->allocation_audio_urb -= 1;
+ if (NULL != peasycap->purb_audio_head) {
+ JOM(4, "freeing audio urbs\n");
+ m = 0;
+ list_for_each(plist_head, (peasycap->purb_audio_head)) {
+ pdata_urb = list_entry(plist_head,
+ struct data_urb, list_head);
+ if (NULL == pdata_urb)
+ JOM(4, "ERROR: pdata_urb is NULL\n");
+ else {
+ if (NULL != pdata_urb->purb) {
+ usb_free_urb(pdata_urb->purb);
+ pdata_urb->purb = NULL;
+ peasycap->allocation_audio_urb -= 1;
+ m++;
+ }
+ }
+ }
+ JOM(4, "%i audio urbs freed\n", m);
+/*---------------------------------------------------------------------------*/
+ JOM(4, "freeing audio data_urb structures.\n");
+ m = 0;
+ list_for_each_safe(plist_head, plist_next,
+ peasycap->purb_audio_head) {
+ pdata_urb = list_entry(plist_head,
+ struct data_urb, list_head);
+ if (pdata_urb) {
+ peasycap->allocation_audio_struct -=
+ sizeof(struct data_urb);
+ kfree(pdata_urb);
+ pdata_urb = NULL;
m++;
}
}
+ JOM(4, "%i audio data_urb structures freed\n", m);
+ JOM(4, "setting peasycap->purb_audio_head=NULL\n");
+ peasycap->purb_audio_head = NULL;
}
- JOM(4, "%i audio urbs freed\n", m);
/*---------------------------------------------------------------------------*/
- JOM(4, "freeing audio data_urb structures.\n");
+ JOM(4, "freeing audio isoc buffers.\n");
m = 0;
- list_for_each_safe(plist_head, plist_next, peasycap->purb_audio_head) {
- pdata_urb = list_entry(plist_head, struct data_urb, list_head);
- if (NULL != pdata_urb) {
- kfree(pdata_urb); pdata_urb = NULL;
- peasycap->allocation_audio_struct -=
- sizeof(struct data_urb);
+ for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) {
+ if (NULL != peasycap->audio_isoc_buffer[k].pgo) {
+ free_pages((unsigned long)
+ (peasycap->audio_isoc_buffer[k].pgo),
+ AUDIO_ISOC_ORDER);
+ peasycap->audio_isoc_buffer[k].pgo = NULL;
+ peasycap->allocation_audio_page -=
+ BIT(AUDIO_ISOC_ORDER);
m++;
}
}
-JOM(4, "%i audio data_urb structures freed\n", m);
-JOM(4, "setting peasycap->purb_audio_head=NULL\n");
-peasycap->purb_audio_head = NULL;
-}
-/*---------------------------------------------------------------------------*/
-JOM(4, "freeing audio isoc buffers.\n");
-m = 0;
-for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) {
- if (NULL != peasycap->audio_isoc_buffer[k].pgo) {
- free_pages((unsigned long)
- (peasycap->audio_isoc_buffer[k].pgo),
- AUDIO_ISOC_ORDER);
- peasycap->audio_isoc_buffer[k].pgo = NULL;
- peasycap->allocation_audio_page -=
- ((unsigned int)(0x01 << AUDIO_ISOC_ORDER));
- m++;
- }
-}
-JOM(4, "easyoss_delete(): isoc audio buffers freed: %i pages\n",
+ JOM(4, "easyoss_delete(): isoc audio buffers freed: %i pages\n",
m * (0x01 << AUDIO_ISOC_ORDER));
/*---------------------------------------------------------------------------*/
#ifdef CONFIG_EASYCAP_OSS
-JOM(4, "freeing audio buffers.\n");
-gone = 0;
-for (k = 0; k < peasycap->audio_buffer_page_many; k++) {
- if (NULL != peasycap->audio_buffer[k].pgo) {
- free_page((unsigned long)(peasycap->audio_buffer[k].pgo));
- peasycap->audio_buffer[k].pgo = NULL;
- peasycap->allocation_audio_page -= 1;
- gone++;
+ JOM(4, "freeing audio buffers.\n");
+ gone = 0;
+ for (k = 0; k < peasycap->audio_buffer_page_many; k++) {
+ if (NULL != peasycap->audio_buffer[k].pgo) {
+ free_page((unsigned long)peasycap->audio_buffer[k].pgo);
+ peasycap->audio_buffer[k].pgo = NULL;
+ peasycap->allocation_audio_page -= 1;
+ gone++;
+ }
}
-}
-JOM(4, "easyoss_delete(): audio buffers freed: %i pages\n", gone);
+ JOM(4, "easyoss_delete(): audio buffers freed: %i pages\n", gone);
#endif /* CONFIG_EASYCAP_OSS */
/*---------------------------------------------------------------------------*/
-JOM(4, "freeing easycap structure.\n");
-allocation_video_urb = peasycap->allocation_video_urb;
-allocation_video_page = peasycap->allocation_video_page;
-allocation_video_struct = peasycap->allocation_video_struct;
-registered_video = peasycap->registered_video;
-allocation_audio_urb = peasycap->allocation_audio_urb;
-allocation_audio_page = peasycap->allocation_audio_page;
-allocation_audio_struct = peasycap->allocation_audio_struct;
-registered_audio = peasycap->registered_audio;
-
-kfree(peasycap);
-
-if (0 <= kd && DONGLE_MANY > kd) {
- if (mutex_lock_interruptible(&mutex_dongle)) {
- SAY("ERROR: cannot down mutex_dongle\n");
+ JOM(4, "freeing easycap structure.\n");
+ allocation_video_urb = peasycap->allocation_video_urb;
+ allocation_video_page = peasycap->allocation_video_page;
+ allocation_video_struct = peasycap->allocation_video_struct;
+ registered_video = peasycap->registered_video;
+ allocation_audio_urb = peasycap->allocation_audio_urb;
+ allocation_audio_page = peasycap->allocation_audio_page;
+ allocation_audio_struct = peasycap->allocation_audio_struct;
+ registered_audio = peasycap->registered_audio;
+
+ kfree(peasycap);
+
+ if (0 <= kd && DONGLE_MANY > kd) {
+ if (mutex_lock_interruptible(&mutex_dongle)) {
+ SAY("ERROR: cannot down mutex_dongle\n");
+ } else {
+ JOM(4, "locked mutex_dongle\n");
+ easycapdc60_dongle[kd].peasycap = NULL;
+ mutex_unlock(&mutex_dongle);
+ JOM(4, "unlocked mutex_dongle\n");
+ JOT(4, " null-->dongle[%i].peasycap\n", kd);
+ allocation_video_struct -= sizeof(struct easycap);
+ }
} else {
- JOM(4, "locked mutex_dongle\n");
- easycapdc60_dongle[kd].peasycap = NULL;
- mutex_unlock(&mutex_dongle);
- JOM(4, "unlocked mutex_dongle\n");
- JOT(4, " null-->easycapdc60_dongle[%i].peasycap\n", kd);
- allocation_video_struct -= sizeof(struct easycap);
- }
-} else {
- SAY("ERROR: cannot purge easycapdc60_dongle[].peasycap");
-}
+ SAY("ERROR: cannot purge dongle[].peasycap");
+ }
/*---------------------------------------------------------------------------*/
-SAY("%8i= video urbs after all deletions\n", allocation_video_urb);
-SAY("%8i= video pages after all deletions\n", allocation_video_page);
-SAY("%8i= video structs after all deletions\n", allocation_video_struct);
-SAY("%8i= video devices after all deletions\n", registered_video);
-SAY("%8i= audio urbs after all deletions\n", allocation_audio_urb);
-SAY("%8i= audio pages after all deletions\n", allocation_audio_page);
-SAY("%8i= audio structs after all deletions\n", allocation_audio_struct);
-SAY("%8i= audio devices after all deletions\n", registered_audio);
-
-JOT(4, "ending.\n");
-return;
+ SAY("%8i=video urbs after all deletions\n", allocation_video_urb);
+ SAY("%8i=video pages after all deletions\n", allocation_video_page);
+ SAY("%8i=video structs after all deletions\n", allocation_video_struct);
+ SAY("%8i=video devices after all deletions\n", registered_video);
+ SAY("%8i=audio urbs after all deletions\n", allocation_audio_urb);
+ SAY("%8i=audio pages after all deletions\n", allocation_audio_page);
+ SAY("%8i=audio structs after all deletions\n", allocation_audio_struct);
+ SAY("%8i=audio devices after all deletions\n", registered_audio);
+
+ JOT(4, "ending.\n");
+ return;
}
/*****************************************************************************/
static unsigned int easycap_poll(struct file *file, poll_table *wait)
{
-struct easycap *peasycap;
-int rc, kd;
+ struct easycap *peasycap;
+ int rc, kd;
-JOT(8, "\n");
+ JOT(8, "\n");
-if (NULL == ((poll_table *)wait))
- JOT(8, "WARNING: poll table pointer is NULL ... continuing\n");
-if (NULL == file) {
- SAY("ERROR: file pointer is NULL\n");
- return -ERESTARTSYS;
-}
-peasycap = file->private_data;
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
- SAY("ERROR: bad peasycap: %p\n", peasycap);
- return -EFAULT;
-}
-if (NULL == peasycap->pusb_device) {
- SAY("ERROR: peasycap->pusb_device is NULL\n");
- return -EFAULT;
-}
-/*---------------------------------------------------------------------------*/
-kd = isdongle(peasycap);
-if (0 <= kd && DONGLE_MANY > kd) {
- if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_video)) {
- SAY("ERROR: cannot down "
- "easycapdc60_dongle[%i].mutex_video\n", kd);
- return -ERESTARTSYS;
- }
- JOM(4, "locked easycapdc60_dongle[%i].mutex_video\n", kd);
- /*-------------------------------------------------------------------*/
- /*
- * MEANWHILE, easycap_usb_disconnect() MAY HAVE FREED POINTER
- * peasycap, IN WHICH CASE A REPEAT CALL TO isdongle() WILL FAIL.
- * IF NECESSARY, BAIL OUT.
- */
- /*-------------------------------------------------------------------*/
- if (kd != isdongle(peasycap))
- return -ERESTARTSYS;
+ if (NULL == ((poll_table *)wait))
+ JOT(8, "WARNING: poll table pointer is NULL ... continuing\n");
if (NULL == file) {
- SAY("ERROR: file is NULL\n");
- mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
+ SAY("ERROR: file pointer is NULL\n");
return -ERESTARTSYS;
}
peasycap = file->private_data;
if (NULL == peasycap) {
SAY("ERROR: peasycap is NULL\n");
- mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
- return -ERESTARTSYS;
+ return -EFAULT;
}
if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
SAY("ERROR: bad peasycap: %p\n", peasycap);
- mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
- return -ERESTARTSYS;
+ return -EFAULT;
}
if (NULL == peasycap->pusb_device) {
- SAM("ERROR: peasycap->pusb_device is NULL\n");
- mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
- return -ERESTARTSYS;
+ SAY("ERROR: peasycap->pusb_device is NULL\n");
+ return -EFAULT;
}
-} else
- /*-------------------------------------------------------------------*/
+/*---------------------------------------------------------------------------*/
+ kd = isdongle(peasycap);
+ if (0 <= kd && DONGLE_MANY > kd) {
+ if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_video)) {
+ SAY("ERROR: cannot down dongle[%i].mutex_video\n", kd);
+ return -ERESTARTSYS;
+ }
+ JOM(4, "locked dongle[%i].mutex_video\n", kd);
+ /*
+ * MEANWHILE, easycap_usb_disconnect() MAY HAVE FREED POINTER
+ * peasycap, IN WHICH CASE A REPEAT CALL TO isdongle() WILL FAIL.
+ * IF NECESSARY, BAIL OUT.
+ */
+ if (kd != isdongle(peasycap))
+ return -ERESTARTSYS;
+ if (NULL == file) {
+ SAY("ERROR: file is NULL\n");
+ mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
+ return -ERESTARTSYS;
+ }
+ peasycap = file->private_data;
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
+ return -ERESTARTSYS;
+ }
+ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
+ SAY("ERROR: bad peasycap: %p\n", peasycap);
+ mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
+ return -ERESTARTSYS;
+ }
+ if (NULL == peasycap->pusb_device) {
+ SAM("ERROR: peasycap->pusb_device is NULL\n");
+ mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
+ return -ERESTARTSYS;
+ }
+ } else
/*
* IF easycap_usb_disconnect() HAS ALREADY FREED POINTER peasycap
* BEFORE THE ATTEMPT TO ACQUIRE THE SEMAPHORE, isdongle() WILL
* HAVE FAILED. BAIL OUT.
*/
- /*-------------------------------------------------------------------*/
- return -ERESTARTSYS;
-/*---------------------------------------------------------------------------*/
-rc = easycap_dqbuf(peasycap, 0);
-peasycap->polled = 1;
-mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
-if (0 == rc)
- return POLLIN | POLLRDNORM;
-else
- return POLLERR;
-}
+ return -ERESTARTSYS;
+/*---------------------------------------------------------------------------*/
+ rc = easycap_dqbuf(peasycap, 0);
+ peasycap->polled = 1;
+ mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
+ if (0 == rc)
+ return POLLIN | POLLRDNORM;
+ else
+ return POLLERR;
+ }
/*****************************************************************************/
/*---------------------------------------------------------------------------*/
/*
* IF mode IS NONZERO THIS ROUTINE RETURNS -EAGAIN RATHER THAN BLOCKING.
*/
/*---------------------------------------------------------------------------*/
-int
-easycap_dqbuf(struct easycap *peasycap, int mode)
+int easycap_dqbuf(struct easycap *peasycap, int mode)
{
-int input, ifield, miss, rc;
+ int input, ifield, miss, rc;
-JOT(8, "\n");
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-if (NULL == peasycap->pusb_device) {
- SAY("ERROR: peasycap->pusb_device is NULL\n");
- return -EFAULT;
-}
-ifield = 0;
-JOM(8, "%i=ifield\n", ifield);
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ if (NULL == peasycap->pusb_device) {
+ SAY("ERROR: peasycap->pusb_device is NULL\n");
+ return -EFAULT;
+ }
+ ifield = 0;
+ JOM(8, "%i=ifield\n", ifield);
/*---------------------------------------------------------------------------*/
/*
* CHECK FOR LOST INPUT SIGNAL.
* INPUT 0 UNPLUGGED, INPUT 4 UNPLUGGED => SCREEN 0 BARS, SCREEN 4 BARS
*/
/*---------------------------------------------------------------------------*/
-input = peasycap->input;
-if (0 <= input && INPUT_MANY > input) {
- rc = read_saa(peasycap->pusb_device, 0x1F);
- if (0 <= rc) {
- if (rc & 0x40)
- peasycap->lost[input] += 1;
- else
- peasycap->lost[input] -= 2;
+ input = peasycap->input;
+ if (0 <= input && INPUT_MANY > input) {
+ rc = read_saa(peasycap->pusb_device, 0x1F);
+ if (0 <= rc) {
+ if (rc & 0x40)
+ peasycap->lost[input] += 1;
+ else
+ peasycap->lost[input] -= 2;
- if (0 > peasycap->lost[input])
- peasycap->lost[input] = 0;
- else if ((2 * VIDEO_LOST_TOLERATE) < peasycap->lost[input])
- peasycap->lost[input] = (2 * VIDEO_LOST_TOLERATE);
+ if (0 > peasycap->lost[input])
+ peasycap->lost[input] = 0;
+ else if ((2 * VIDEO_LOST_TOLERATE) < peasycap->lost[input])
+ peasycap->lost[input] = (2 * VIDEO_LOST_TOLERATE);
+ }
}
-}
/*---------------------------------------------------------------------------*/
/*
* WAIT FOR FIELD ifield (0 => TOP, 1 => BOTTOM)
*/
/*---------------------------------------------------------------------------*/
-miss = 0;
-while ((peasycap->field_read == peasycap->field_fill) ||
- (0 != (0xFF00 & peasycap->field_buffer
+ miss = 0;
+ while ((peasycap->field_read == peasycap->field_fill) ||
+ (0 != (0xFF00 & peasycap->field_buffer
[peasycap->field_read][0].kount)) ||
- (ifield != (0x00FF & peasycap->field_buffer
+ (ifield != (0x00FF & peasycap->field_buffer
[peasycap->field_read][0].kount))) {
- if (mode)
- return -EAGAIN;
-
- JOM(8, "first wait on wq_video, "
- "%i=field_read %i=field_fill\n",
- peasycap->field_read, peasycap->field_fill);
+ if (mode)
+ return -EAGAIN;
- if (0 != (wait_event_interruptible(peasycap->wq_video,
- (peasycap->video_idle || peasycap->video_eof ||
- ((peasycap->field_read != peasycap->field_fill) &&
- (0 == (0xFF00 & peasycap->field_buffer
- [peasycap->field_read][0].kount)) &&
- (ifield == (0x00FF & peasycap->field_buffer
- [peasycap->field_read][0].kount))))))) {
- SAM("aborted by signal\n");
- return -EIO;
- }
- if (peasycap->video_idle) {
- JOM(8, "%i=peasycap->video_idle ... returning -EAGAIN\n",
- peasycap->video_idle);
- return -EAGAIN;
- }
- if (peasycap->video_eof) {
- JOM(8, "%i=peasycap->video_eof\n", peasycap->video_eof);
- #if defined(PERSEVERE)
- if (1 == peasycap->status) {
- JOM(8, "persevering ...\n");
- peasycap->video_eof = 0;
- peasycap->audio_eof = 0;
- if (0 != reset(peasycap)) {
- JOM(8, " ... failed ... returning -EIO\n");
- peasycap->video_eof = 1;
- peasycap->audio_eof = 1;
- kill_video_urbs(peasycap);
- return -EIO;
+ JOM(8, "first wait on wq_video, "
+ "%i=field_read %i=field_fill\n",
+ peasycap->field_read, peasycap->field_fill);
+
+ if (0 != (wait_event_interruptible(peasycap->wq_video,
+ (peasycap->video_idle || peasycap->video_eof ||
+ ((peasycap->field_read != peasycap->field_fill) &&
+ (0 == (0xFF00 & peasycap->field_buffer
+ [peasycap->field_read][0].kount)) &&
+ (ifield == (0x00FF & peasycap->field_buffer
+ [peasycap->field_read][0].kount))))))) {
+ SAM("aborted by signal\n");
+ return -EIO;
}
- peasycap->status = 0;
- JOM(8, " ... OK ... returning -EAGAIN\n");
+ if (peasycap->video_idle) {
+ JOM(8, "%i=peasycap->video_idle returning -EAGAIN\n",
+ peasycap->video_idle);
return -EAGAIN;
}
- #endif /*PERSEVERE*/
- peasycap->video_eof = 1;
- peasycap->audio_eof = 1;
- kill_video_urbs(peasycap);
- JOM(8, "returning -EIO\n");
- return -EIO;
+ if (peasycap->video_eof) {
+ JOM(8, "%i=peasycap->video_eof\n", peasycap->video_eof);
+ #if defined(PERSEVERE)
+ if (1 == peasycap->status) {
+ JOM(8, "persevering ...\n");
+ peasycap->video_eof = 0;
+ peasycap->audio_eof = 0;
+ if (0 != reset(peasycap)) {
+ JOM(8, " ... failed returning -EIO\n");
+ peasycap->video_eof = 1;
+ peasycap->audio_eof = 1;
+ kill_video_urbs(peasycap);
+ return -EIO;
+ }
+ peasycap->status = 0;
+ JOM(8, " ... OK returning -EAGAIN\n");
+ return -EAGAIN;
+ }
+ #endif /*PERSEVERE*/
+ peasycap->video_eof = 1;
+ peasycap->audio_eof = 1;
+ kill_video_urbs(peasycap);
+ JOM(8, "returning -EIO\n");
+ return -EIO;
+ }
+ miss++;
}
-miss++;
-}
-JOM(8, "first awakening on wq_video after %i waits\n", miss);
+ JOM(8, "first awakening on wq_video after %i waits\n", miss);
-rc = field2frame(peasycap);
-if (rc)
- SAM("ERROR: field2frame() returned %i\n", rc);
+ rc = field2frame(peasycap);
+ if (rc)
+ SAM("ERROR: field2frame() rc = %i\n", rc);
/*---------------------------------------------------------------------------*/
/*
* WAIT FOR THE OTHER FIELD
*/
/*---------------------------------------------------------------------------*/
-if (ifield)
- ifield = 0;
-else
- ifield = 1;
-miss = 0;
-while ((peasycap->field_read == peasycap->field_fill) ||
- (0 != (0xFF00 & peasycap->field_buffer
+ if (ifield)
+ ifield = 0;
+ else
+ ifield = 1;
+ miss = 0;
+ while ((peasycap->field_read == peasycap->field_fill) ||
+ (0 != (0xFF00 & peasycap->field_buffer
[peasycap->field_read][0].kount)) ||
- (ifield != (0x00FF & peasycap->field_buffer
+ (ifield != (0x00FF & peasycap->field_buffer
[peasycap->field_read][0].kount))) {
- if (mode)
- return -EAGAIN;
+ if (mode)
+ return -EAGAIN;
- JOM(8, "second wait on wq_video, "
- "%i=field_read %i=field_fill\n",
+ JOM(8, "second wait on wq_video %i=field_read %i=field_fill\n",
peasycap->field_read, peasycap->field_fill);
- if (0 != (wait_event_interruptible(peasycap->wq_video,
+ if (0 != (wait_event_interruptible(peasycap->wq_video,
(peasycap->video_idle || peasycap->video_eof ||
((peasycap->field_read != peasycap->field_fill) &&
- (0 == (0xFF00 & peasycap->field_buffer
+ (0 == (0xFF00 & peasycap->field_buffer
[peasycap->field_read][0].kount)) &&
- (ifield == (0x00FF & peasycap->field_buffer
- [peasycap->field_read][0].
+ (ifield == (0x00FF & peasycap->field_buffer
+ [peasycap->field_read][0].
kount))))))) {
- SAM("aborted by signal\n");
- return -EIO;
- }
- if (peasycap->video_idle) {
- JOM(8, "%i=peasycap->video_idle ... returning -EAGAIN\n",
+ SAM("aborted by signal\n");
+ return -EIO;
+ }
+ if (peasycap->video_idle) {
+ JOM(8, "%i=peasycap->video_idle returning -EAGAIN\n",
peasycap->video_idle);
- return -EAGAIN;
- }
- if (peasycap->video_eof) {
- JOM(8, "%i=peasycap->video_eof\n", peasycap->video_eof);
- #if defined(PERSEVERE)
- if (1 == peasycap->status) {
- JOM(8, "persevering ...\n");
- peasycap->video_eof = 0;
- peasycap->audio_eof = 0;
- if (0 != reset(peasycap)) {
- JOM(8, " ... failed ... returning -EIO\n");
- peasycap->video_eof = 1;
- peasycap->audio_eof = 1;
- kill_video_urbs(peasycap);
- return -EIO;
- }
- peasycap->status = 0;
- JOM(8, " ... OK ... returning -EAGAIN\n");
return -EAGAIN;
}
- #endif /*PERSEVERE*/
- peasycap->video_eof = 1;
- peasycap->audio_eof = 1;
- kill_video_urbs(peasycap);
- JOM(8, "returning -EIO\n");
- return -EIO;
+ if (peasycap->video_eof) {
+ JOM(8, "%i=peasycap->video_eof\n", peasycap->video_eof);
+ #if defined(PERSEVERE)
+ if (1 == peasycap->status) {
+ JOM(8, "persevering ...\n");
+ peasycap->video_eof = 0;
+ peasycap->audio_eof = 0;
+ if (0 != reset(peasycap)) {
+ JOM(8, " ... failed returning -EIO\n");
+ peasycap->video_eof = 1;
+ peasycap->audio_eof = 1;
+ kill_video_urbs(peasycap);
+ return -EIO;
+ }
+ peasycap->status = 0;
+ JOM(8, " ... OK ... returning -EAGAIN\n");
+ return -EAGAIN;
+ }
+ #endif /*PERSEVERE*/
+ peasycap->video_eof = 1;
+ peasycap->audio_eof = 1;
+ kill_video_urbs(peasycap);
+ JOM(8, "returning -EIO\n");
+ return -EIO;
+ }
+ miss++;
}
-miss++;
-}
-JOM(8, "second awakening on wq_video after %i waits\n", miss);
+ JOM(8, "second awakening on wq_video after %i waits\n", miss);
-rc = field2frame(peasycap);
-if (rc)
- SAM("ERROR: field2frame() returned %i\n", rc);
+ rc = field2frame(peasycap);
+ if (rc)
+ SAM("ERROR: field2frame() rc = %i\n", rc);
/*---------------------------------------------------------------------------*/
/*
* WASTE THIS FRAME
*/
/*---------------------------------------------------------------------------*/
-if (0 != peasycap->skip) {
- peasycap->skipped++;
- if (peasycap->skip != peasycap->skipped)
- return peasycap->skip - peasycap->skipped;
- peasycap->skipped = 0;
-}
+ if (0 != peasycap->skip) {
+ peasycap->skipped++;
+ if (peasycap->skip != peasycap->skipped)
+ return peasycap->skip - peasycap->skipped;
+ peasycap->skipped = 0;
+ }
/*---------------------------------------------------------------------------*/
-peasycap->frame_read = peasycap->frame_fill;
-peasycap->queued[peasycap->frame_read] = 0;
-peasycap->done[peasycap->frame_read] = V4L2_BUF_FLAG_DONE;
+ peasycap->frame_read = peasycap->frame_fill;
+ peasycap->queued[peasycap->frame_read] = 0;
+ peasycap->done[peasycap->frame_read] = V4L2_BUF_FLAG_DONE;
-(peasycap->frame_fill)++;
-if (peasycap->frame_buffer_many <= peasycap->frame_fill)
- peasycap->frame_fill = 0;
+ peasycap->frame_fill++;
+ if (peasycap->frame_buffer_many <= peasycap->frame_fill)
+ peasycap->frame_fill = 0;
-if (0x01 & easycap_standard[peasycap->standard_offset].mask) {
- peasycap->frame_buffer[peasycap->frame_read][0].kount =
+ if (0x01 & easycap_standard[peasycap->standard_offset].mask)
+ peasycap->frame_buffer[peasycap->frame_read][0].kount =
V4L2_FIELD_TOP;
-} else {
- peasycap->frame_buffer[peasycap->frame_read][0].kount =
+ else
+ peasycap->frame_buffer[peasycap->frame_read][0].kount =
V4L2_FIELD_BOTTOM;
-}
-JOM(8, "setting: %i=peasycap->frame_read\n", peasycap->frame_read);
-JOM(8, "bumped to: %i=peasycap->frame_fill\n", peasycap->frame_fill);
-return 0;
+ JOM(8, "setting: %i=peasycap->frame_read\n", peasycap->frame_read);
+ JOM(8, "bumped to: %i=peasycap->frame_fill\n", peasycap->frame_fill);
+
+ return 0;
}
/*****************************************************************************/
/*---------------------------------------------------------------------------*/
int
field2frame(struct easycap *peasycap)
{
-struct timeval timeval;
-long long int above, below;
-u32 remainder;
-struct signed_div_result sdr;
-
-void *pex, *pad;
-int kex, kad, mex, mad, rex, rad, rad2;
-int c2, c3, w2, w3, cz, wz;
-int rc, bytesperpixel, multiplier, much, more, over, rump, caches, input;
-u8 mask, margin;
-bool odd, isuy, decimatepixel, offerfields, badinput;
-
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
+ struct timeval timeval;
+ long long int above, below;
+ u32 remainder;
+ struct signed_div_result sdr;
+
+ void *pex, *pad;
+ int kex, kad, mex, mad, rex, rad, rad2;
+ int c2, c3, w2, w3, cz, wz;
+ int rc, bytesperpixel, multiplier;
+ int much, more, over, rump, caches, input;
+ u8 mask, margin;
+ bool odd, isuy, decimatepixel, offerfields, badinput;
+
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
-badinput = false;
-input = 0x07 & peasycap->field_buffer[peasycap->field_read][0].input;
+ badinput = false;
+ input = 0x07 & peasycap->field_buffer[peasycap->field_read][0].input;
-JOM(8, "===== parity %i, input 0x%02X, field buffer %i --> "
- "frame buffer %i\n",
+ JOM(8, "===== parity %i, input 0x%02X, field buffer %i --> "
+ "frame buffer %i\n",
peasycap->field_buffer[peasycap->field_read][0].kount,
peasycap->field_buffer[peasycap->field_read][0].input,
peasycap->field_read, peasycap->frame_fill);
-JOM(8, "===== %i=bytesperpixel\n", peasycap->bytesperpixel);
-if (true == peasycap->offerfields)
- JOM(8, "===== offerfields\n");
+ JOM(8, "===== %i=bytesperpixel\n", peasycap->bytesperpixel);
+ if (true == peasycap->offerfields)
+ JOM(8, "===== offerfields\n");
/*---------------------------------------------------------------------------*/
/*
* REJECT OR CLEAN BAD FIELDS
*/
/*---------------------------------------------------------------------------*/
-if (peasycap->field_read == peasycap->field_fill) {
- SAM("ERROR: on entry, still filling field buffer %i\n",
- peasycap->field_read);
- return 0;
-}
+ if (peasycap->field_read == peasycap->field_fill) {
+ SAM("ERROR: on entry, still filling field buffer %i\n",
+ peasycap->field_read);
+ return 0;
+ }
#ifdef EASYCAP_TESTCARD
-easycap_testcard(peasycap, peasycap->field_read);
+ easycap_testcard(peasycap, peasycap->field_read);
#else
-if (0 <= input && INPUT_MANY > input) {
- if (easycap_bars && VIDEO_LOST_TOLERATE <= peasycap->lost[input])
- easycap_testcard(peasycap, peasycap->field_read);
-}
+ if (0 <= input && INPUT_MANY > input) {
+ if (easycap_bars && VIDEO_LOST_TOLERATE <= peasycap->lost[input])
+ easycap_testcard(peasycap, peasycap->field_read);
+ }
#endif /*EASYCAP_TESTCARD*/
/*---------------------------------------------------------------------------*/
-offerfields = peasycap->offerfields;
-bytesperpixel = peasycap->bytesperpixel;
-decimatepixel = peasycap->decimatepixel;
+ offerfields = peasycap->offerfields;
+ bytesperpixel = peasycap->bytesperpixel;
+ decimatepixel = peasycap->decimatepixel;
-if ((2 != bytesperpixel) &&
- (3 != bytesperpixel) &&
- (4 != bytesperpixel)) {
- SAM("MISTAKE: %i=bytesperpixel\n", bytesperpixel);
- return -EFAULT;
-}
-if (true == decimatepixel)
- multiplier = 2;
-else
- multiplier = 1;
-
-w2 = 2 * multiplier * (peasycap->width);
-w3 = bytesperpixel *
- multiplier *
- (peasycap->width);
-wz = multiplier *
- (peasycap->height) *
- multiplier *
- (peasycap->width);
-
-kex = peasycap->field_read; mex = 0;
-kad = peasycap->frame_fill; mad = 0;
-
-pex = peasycap->field_buffer[kex][0].pgo; rex = PAGE_SIZE;
-pad = peasycap->frame_buffer[kad][0].pgo; rad = PAGE_SIZE;
-if (peasycap->field_buffer[kex][0].kount)
- odd = true;
-else
- odd = false;
-
-if ((true == odd) && (false == decimatepixel)) {
- JOM(8, " initial skipping %4i bytes p.%4i\n",
- w3/multiplier, mad);
- pad += (w3 / multiplier); rad -= (w3 / multiplier);
-}
-isuy = true;
-mask = 0; rump = 0; caches = 0;
+ if ((2 != bytesperpixel) &&
+ (3 != bytesperpixel) &&
+ (4 != bytesperpixel)) {
+ SAM("MISTAKE: %i=bytesperpixel\n", bytesperpixel);
+ return -EFAULT;
+ }
+ if (true == decimatepixel)
+ multiplier = 2;
+ else
+ multiplier = 1;
-cz = 0;
-while (cz < wz) {
- /*-------------------------------------------------------------------*/
- /*
- ** PROCESS ONE LINE OF FRAME AT FULL RESOLUTION:
- ** READ w2 BYTES FROM FIELD BUFFER,
- ** WRITE w3 BYTES TO FRAME BUFFER
- **/
- /*-------------------------------------------------------------------*/
- if (false == decimatepixel) {
- over = w2;
- do {
- much = over; more = 0; margin = 0; mask = 0x00;
- if (rex < much)
- much = rex;
- rump = 0;
-
- if (much % 2) {
- SAM("MISTAKE: much is odd\n");
- return -EFAULT;
- }
+ w2 = 2 * multiplier * (peasycap->width);
+ w3 = bytesperpixel * multiplier * (peasycap->width);
+ wz = multiplier * (peasycap->height) *
+ multiplier * (peasycap->width);
+
+ kex = peasycap->field_read; mex = 0;
+ kad = peasycap->frame_fill; mad = 0;
+
+ pex = peasycap->field_buffer[kex][0].pgo; rex = PAGE_SIZE;
+ pad = peasycap->frame_buffer[kad][0].pgo; rad = PAGE_SIZE;
+ odd = !!(peasycap->field_buffer[kex][0].kount);
+
+ if ((true == odd) && (false == decimatepixel)) {
+ JOM(8, "initial skipping %4i bytes p.%4i\n",
+ w3/multiplier, mad);
+ pad += (w3 / multiplier); rad -= (w3 / multiplier);
+ }
+ isuy = true;
+ mask = 0; rump = 0; caches = 0;
+
+ cz = 0;
+ while (cz < wz) {
+ /*
+ * PROCESS ONE LINE OF FRAME AT FULL RESOLUTION:
+ * READ w2 BYTES FROM FIELD BUFFER,
+ * WRITE w3 BYTES TO FRAME BUFFER
+ */
+ if (false == decimatepixel) {
+ over = w2;
+ do {
+ much = over; more = 0;
+ margin = 0; mask = 0x00;
+ if (rex < much)
+ much = rex;
+ rump = 0;
+
+ if (much % 2) {
+ SAM("MISTAKE: much is odd\n");
+ return -EFAULT;
+ }
- more = (bytesperpixel *
- much) / 2;
+ more = (bytesperpixel *
+ much) / 2;
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
- if (1 < bytesperpixel) {
- if (rad * 2 < much * bytesperpixel) {
- /*
- ** INJUDICIOUS ALTERATION OF THIS
- ** STATEMENT BLOCK WILL CAUSE
- ** BREAKAGE. BEWARE.
- **/
- rad2 = rad + bytesperpixel - 1;
- much = ((((2 *
- rad2)/bytesperpixel)/2) * 2);
- rump = ((bytesperpixel *
- much) / 2) - rad;
- more = rad;
+ if (1 < bytesperpixel) {
+ if (rad * 2 < much * bytesperpixel) {
+ /*
+ * INJUDICIOUS ALTERATION OF
+ * THIS STATEMENT BLOCK WILL
+ * CAUSE BREAKAGE. BEWARE.
+ */
+ rad2 = rad + bytesperpixel - 1;
+ much = ((((2 *
+ rad2)/bytesperpixel)/2) * 2);
+ rump = ((bytesperpixel *
+ much) / 2) - rad;
+ more = rad;
+ }
+ mask = (u8)rump;
+ margin = 0;
+ if (much == rex) {
+ mask |= 0x04;
+ if ((mex + 1) < FIELD_BUFFER_SIZE/
+ PAGE_SIZE) {
+ margin = *((u8 *)(peasycap->
+ field_buffer
+ [kex][mex + 1].pgo));
+ } else
+ mask |= 0x08;
}
- mask = (u8)rump;
- margin = 0;
- if (much == rex) {
- mask |= 0x04;
- if ((mex + 1) < FIELD_BUFFER_SIZE/
- PAGE_SIZE) {
- margin = *((u8 *)(peasycap->
- field_buffer
- [kex][mex + 1].pgo));
- } else
- mask |= 0x08;
+ } else {
+ SAM("MISTAKE: %i=bytesperpixel\n",
+ bytesperpixel);
+ return -EFAULT;
}
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
- } else {
- SAM("MISTAKE: %i=bytesperpixel\n",
- bytesperpixel);
- return -EFAULT;
- }
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
- if (rump)
- caches++;
- if (true == badinput) {
- JOM(8, "ERROR: 0x%02X=->field_buffer"
- "[%i][%i].input, "
- "0x%02X=(0x08|->input)\n",
- peasycap->field_buffer
- [kex][mex].input, kex, mex,
- (0x08|peasycap->input));
+ if (rump)
+ caches++;
+ if (true == badinput) {
+ JOM(8, "ERROR: 0x%02X=->field_buffer"
+ "[%i][%i].input, "
+ "0x%02X=(0x08|->input)\n",
+ peasycap->field_buffer
+ [kex][mex].input, kex, mex,
+ (0x08|peasycap->input));
+ }
+ rc = redaub(peasycap, pad, pex, much, more,
+ mask, margin, isuy);
+ if (0 > rc) {
+ SAM("ERROR: redaub() failed\n");
+ return -EFAULT;
}
- rc = redaub(peasycap, pad, pex, much, more,
- mask, margin, isuy);
- if (0 > rc) {
- SAM("ERROR: redaub() failed\n");
- return -EFAULT;
- }
- if (much % 4) {
- if (isuy)
- isuy = false;
- else
- isuy = true;
- }
- over -= much; cz += much;
- pex += much; rex -= much;
- if (!rex) {
- mex++;
- pex = peasycap->field_buffer[kex][mex].pgo;
- rex = PAGE_SIZE;
- if (peasycap->field_buffer[kex][mex].input !=
- (0x08|peasycap->input))
- badinput = true;
- }
- pad += more;
- rad -= more;
- if (!rad) {
- mad++;
- pad = peasycap->frame_buffer[kad][mad].pgo;
- rad = PAGE_SIZE;
- if (rump) {
- pad += rump;
- rad -= rump;
+ if (much % 4) {
+ if (isuy)
+ isuy = false;
+ else
+ isuy = true;
}
- }
- } while (over);
+ over -= much; cz += much;
+ pex += much; rex -= much;
+ if (!rex) {
+ mex++;
+ pex = peasycap->field_buffer[kex][mex].pgo;
+ rex = PAGE_SIZE;
+ if (peasycap->field_buffer[kex][mex].input !=
+ (0x08|peasycap->input))
+ badinput = true;
+ }
+ pad += more;
+ rad -= more;
+ if (!rad) {
+ mad++;
+ pad = peasycap->frame_buffer[kad][mad].pgo;
+ rad = PAGE_SIZE;
+ if (rump) {
+ pad += rump;
+ rad -= rump;
+ }
+ }
+ } while (over);
/*---------------------------------------------------------------------------*/
/*
* SKIP w3 BYTES IN TARGET FRAME BUFFER,
* UNLESS IT IS THE LAST LINE OF AN ODD FRAME
*/
/*---------------------------------------------------------------------------*/
- if ((false == odd) || (cz != wz)) {
- over = w3;
- do {
- if (!rad) {
- mad++;
- pad = peasycap->frame_buffer
- [kad][mad].pgo;
- rad = PAGE_SIZE;
- }
- more = over;
- if (rad < more)
- more = rad;
- over -= more;
- pad += more;
- rad -= more;
- } while (over);
- }
+ if ((false == odd) || (cz != wz)) {
+ over = w3;
+ do {
+ if (!rad) {
+ mad++;
+ pad = peasycap->frame_buffer
+ [kad][mad].pgo;
+ rad = PAGE_SIZE;
+ }
+ more = over;
+ if (rad < more)
+ more = rad;
+ over -= more;
+ pad += more;
+ rad -= more;
+ } while (over);
+ }
/*---------------------------------------------------------------------------*/
/*
* PROCESS ONE LINE OF FRAME AT REDUCED RESOLUTION:
* WRITE w3 / 2 BYTES TO FRAME BUFFER
*/
/*---------------------------------------------------------------------------*/
- } else if (false == odd) {
- over = w2;
- do {
- much = over; more = 0; margin = 0; mask = 0x00;
- if (rex < much)
- much = rex;
- rump = 0;
+ } else if (false == odd) {
+ over = w2;
+ do {
+ much = over; more = 0; margin = 0; mask = 0x00;
+ if (rex < much)
+ much = rex;
+ rump = 0;
- if (much % 2) {
- SAM("MISTAKE: much is odd\n");
- return -EFAULT;
- }
+ if (much % 2) {
+ SAM("MISTAKE: much is odd\n");
+ return -EFAULT;
+ }
- more = (bytesperpixel *
- much) / 4;
+ more = (bytesperpixel * much) / 4;
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
- if (1 < bytesperpixel) {
- if (rad * 4 < much * bytesperpixel) {
- /*
- ** INJUDICIOUS ALTERATION OF THIS
- ** STATEMENT BLOCK WILL CAUSE
- ** BREAKAGE. BEWARE.
- **/
- rad2 = rad + bytesperpixel - 1;
- much = ((((2 * rad2)/bytesperpixel)/2)
- * 4);
- rump = ((bytesperpixel *
- much) / 4) - rad;
- more = rad;
+ if (1 < bytesperpixel) {
+ if (rad * 4 < much * bytesperpixel) {
+ /*
+ * INJUDICIOUS ALTERATION OF
+ * THIS STATEMENT BLOCK
+ * WILL CAUSE BREAKAGE.
+ * BEWARE.
+ */
+ rad2 = rad + bytesperpixel - 1;
+ much = ((((2 * rad2)/bytesperpixel)/2)
+ * 4);
+ rump = ((bytesperpixel *
+ much) / 4) - rad;
+ more = rad;
}
- mask = (u8)rump;
- margin = 0;
- if (much == rex) {
- mask |= 0x04;
- if ((mex + 1) < FIELD_BUFFER_SIZE/
- PAGE_SIZE) {
- margin = *((u8 *)(peasycap->
- field_buffer
- [kex][mex + 1].pgo));
- }
- else
- mask |= 0x08;
+ mask = (u8)rump;
+ margin = 0;
+ if (much == rex) {
+ mask |= 0x04;
+ if ((mex + 1) < FIELD_BUFFER_SIZE/
+ PAGE_SIZE) {
+ margin = *((u8 *)(peasycap->
+ field_buffer
+ [kex][mex + 1].pgo));
+ } else
+ mask |= 0x08;
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
} else {
return -EFAULT;
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
- if (rump)
- caches++;
-
- if (true == badinput) {
- JOM(8, "ERROR: 0x%02X=->field_buffer"
- "[%i][%i].input, "
- "0x%02X=(0x08|->input)\n",
- peasycap->field_buffer
- [kex][mex].input, kex, mex,
- (0x08|peasycap->input));
- }
- rc = redaub(peasycap, pad, pex, much, more,
+ if (rump)
+ caches++;
+
+ if (true == badinput) {
+ JOM(8, "ERROR: 0x%02X=->field_buffer"
+ "[%i][%i].input, "
+ "0x%02X=(0x08|->input)\n",
+ peasycap->field_buffer
+ [kex][mex].input, kex, mex,
+ (0x08|peasycap->input));
+ }
+ rc = redaub(peasycap, pad, pex, much, more,
mask, margin, isuy);
- if (0 > rc) {
- SAM("ERROR: redaub() failed\n");
- return -EFAULT;
- }
- over -= much; cz += much;
- pex += much; rex -= much;
- if (!rex) {
- mex++;
- pex = peasycap->field_buffer[kex][mex].pgo;
- rex = PAGE_SIZE;
- if (peasycap->field_buffer[kex][mex].input !=
- (0x08|peasycap->input))
- badinput = true;
- }
- pad += more;
- rad -= more;
- if (!rad) {
- mad++;
- pad = peasycap->frame_buffer[kad][mad].pgo;
- rad = PAGE_SIZE;
- if (rump) {
- pad += rump;
- rad -= rump;
+ if (0 > rc) {
+ SAM("ERROR: redaub() failed\n");
+ return -EFAULT;
}
- }
- } while (over);
+ over -= much; cz += much;
+ pex += much; rex -= much;
+ if (!rex) {
+ mex++;
+ pex = peasycap->field_buffer[kex][mex].pgo;
+ rex = PAGE_SIZE;
+ if (peasycap->field_buffer[kex][mex].input !=
+ (0x08|peasycap->input))
+ badinput = true;
+ }
+ pad += more;
+ rad -= more;
+ if (!rad) {
+ mad++;
+ pad = peasycap->frame_buffer[kad][mad].pgo;
+ rad = PAGE_SIZE;
+ if (rump) {
+ pad += rump;
+ rad -= rump;
+ }
+ }
+ } while (over);
/*---------------------------------------------------------------------------*/
/*
* OTHERWISE JUST
* READ w2 BYTES FROM FIELD BUFFER AND DISCARD THEM
*/
/*---------------------------------------------------------------------------*/
- } else {
- over = w2;
- do {
- if (!rex) {
- mex++;
- pex = peasycap->field_buffer[kex][mex].pgo;
- rex = PAGE_SIZE;
- if (peasycap->field_buffer[kex][mex].input !=
- (0x08|peasycap->input)) {
- JOM(8, "ERROR: 0x%02X=->field_buffer"
- "[%i][%i].input, "
- "0x%02X=(0x08|->input)\n",
- peasycap->field_buffer
- [kex][mex].input, kex, mex,
- (0x08|peasycap->input));
- badinput = true;
+ } else {
+ over = w2;
+ do {
+ if (!rex) {
+ mex++;
+ pex = peasycap->field_buffer[kex][mex].pgo;
+ rex = PAGE_SIZE;
+ if (peasycap->field_buffer[kex][mex].input !=
+ (0x08|peasycap->input)) {
+ JOM(8, "ERROR: 0x%02X=->field_buffer"
+ "[%i][%i].input, "
+ "0x%02X=(0x08|->input)\n",
+ peasycap->field_buffer
+ [kex][mex].input, kex, mex,
+ (0x08|peasycap->input));
+ badinput = true;
+ }
}
- }
- much = over;
- if (rex < much)
- much = rex;
- over -= much;
- cz += much;
- pex += much;
- rex -= much;
- } while (over);
+ much = over;
+ if (rex < much)
+ much = rex;
+ over -= much;
+ cz += much;
+ pex += much;
+ rex -= much;
+ } while (over);
+ }
}
-}
/*---------------------------------------------------------------------------*/
/*
* SANITY CHECKS
*/
/*---------------------------------------------------------------------------*/
-c2 = (mex + 1)*PAGE_SIZE - rex;
-if (cz != c2)
- SAM("ERROR: discrepancy %i in bytes read\n", c2 - cz);
-c3 = (mad + 1)*PAGE_SIZE - rad;
-
-if (false == decimatepixel) {
- if (bytesperpixel *
- cz != c3)
- SAM("ERROR: discrepancy %i in bytes written\n",
- c3 - (bytesperpixel *
- cz));
-} else {
- if (false == odd) {
- if (bytesperpixel *
- cz != (4 * c3))
+ c2 = (mex + 1)*PAGE_SIZE - rex;
+ if (cz != c2)
+ SAM("ERROR: discrepancy %i in bytes read\n", c2 - cz);
+ c3 = (mad + 1)*PAGE_SIZE - rad;
+
+ if (false == decimatepixel) {
+ if (bytesperpixel * cz != c3)
SAM("ERROR: discrepancy %i in bytes written\n",
- (2*c3)-(bytesperpixel *
- cz));
- } else {
- if (0 != c3)
- SAM("ERROR: discrepancy %i "
- "in bytes written\n", c3);
- }
-}
-if (rump)
- SAM("WORRY: undischarged cache at end of line in frame buffer\n");
+ c3 - (bytesperpixel * cz));
+ } else {
+ if (false == odd) {
+ if (bytesperpixel *
+ cz != (4 * c3))
+ SAM("ERROR: discrepancy %i in bytes written\n",
+ (2*c3)-(bytesperpixel * cz));
+ } else {
+ if (0 != c3)
+ SAM("ERROR: discrepancy %i "
+ "in bytes written\n", c3);
+ }
+ }
+ if (rump)
+ SAM("WORRY: undischarged cache at end of line in frame buffer\n");
-JOM(8, "===== field2frame(): %i bytes --> %i bytes (incl skip)\n", c2, c3);
-JOM(8, "===== field2frame(): %i=mad %i=rad\n", mad, rad);
+ JOM(8, "===== field2frame(): %i bytes --> %i bytes (incl skip)\n", c2, c3);
+ JOM(8, "===== field2frame(): %i=mad %i=rad\n", mad, rad);
-if (true == odd)
- JOM(8, "+++++ field2frame(): frame buffer %i is full\n", kad);
+ if (true == odd)
+ JOM(8, "+++++ field2frame(): frame buffer %i is full\n", kad);
-if (peasycap->field_read == peasycap->field_fill)
- SAM("WARNING: on exit, filling field buffer %i\n",
- peasycap->field_read);
+ if (peasycap->field_read == peasycap->field_fill)
+ SAM("WARNING: on exit, filling field buffer %i\n",
+ peasycap->field_read);
/*---------------------------------------------------------------------------*/
/*
* CALCULATE VIDEO STREAMING RATE
*/
/*---------------------------------------------------------------------------*/
-do_gettimeofday(&timeval);
-if (peasycap->timeval6.tv_sec) {
- below = ((long long int)(1000000)) *
- ((long long int)(timeval.tv_sec -
- peasycap->timeval6.tv_sec)) +
- (long long int)(timeval.tv_usec - peasycap->timeval6.tv_usec);
- above = (long long int)1000000;
+ do_gettimeofday(&timeval);
+ if (peasycap->timeval6.tv_sec) {
+ below = ((long long int)(1000000)) *
+ ((long long int)(timeval.tv_sec -
+ peasycap->timeval6.tv_sec)) +
+ (long long int)(timeval.tv_usec - peasycap->timeval6.tv_usec);
+ above = (long long int)1000000;
- sdr = signed_div(above, below);
- above = sdr.quotient;
- remainder = (u32)sdr.remainder;
+ sdr = signed_div(above, below);
+ above = sdr.quotient;
+ remainder = (u32)sdr.remainder;
- JOM(8, "video streaming at %3lli.%03i fields per second\n", above,
- (remainder/1000));
-}
-peasycap->timeval6 = timeval;
+ JOM(8, "video streaming at %3lli.%03i fields per second\n",
+ above, (remainder/1000));
+ }
+ peasycap->timeval6 = timeval;
-if (caches)
- JOM(8, "%i=caches\n", caches);
-return 0;
+ if (caches)
+ JOM(8, "%i=caches\n", caches);
+ return 0;
}
/*****************************************************************************/
struct signed_div_result
signed_div(long long int above, long long int below)
{
-struct signed_div_result sdr;
-
-if (((0 <= above) && (0 <= below)) || ((0 > above) && (0 > below))) {
- sdr.remainder = (unsigned long long int) do_div(above, below);
- sdr.quotient = (long long int) above;
-} else {
- if (0 > above)
- above = -above;
- if (0 > below)
- below = -below;
- sdr.remainder = (unsigned long long int) do_div(above, below);
- sdr.quotient = -((long long int) above);
-}
-return sdr;
+ struct signed_div_result sdr;
+
+ if (((0 <= above) && (0 <= below)) || ((0 > above) && (0 > below))) {
+ sdr.remainder = (unsigned long long int) do_div(above, below);
+ sdr.quotient = (long long int) above;
+ } else {
+ if (0 > above)
+ above = -above;
+ if (0 > below)
+ below = -below;
+ sdr.remainder = (unsigned long long int) do_div(above, below);
+ sdr.quotient = -((long long int) above);
+ }
+ return sdr;
}
/*****************************************************************************/
/*---------------------------------------------------------------------------*/
redaub(struct easycap *peasycap, void *pad, void *pex, int much, int more,
u8 mask, u8 margin, bool isuy)
{
-static s32 ay[256], bu[256], rv[256], gu[256], gv[256];
-u8 *pcache;
-u8 r, g, b, y, u, v, c, *p2, *p3, *pz, *pr;
-int bytesperpixel;
-bool byteswaporder, decimatepixel, last;
-int j, rump;
-s32 tmp;
-
-if (much % 2) {
- SAM("MISTAKE: much is odd\n");
- return -EFAULT;
-}
-bytesperpixel = peasycap->bytesperpixel;
-byteswaporder = peasycap->byteswaporder;
-decimatepixel = peasycap->decimatepixel;
-
-/*---------------------------------------------------------------------------*/
-if (!bu[255]) {
- for (j = 0; j < 112; j++) {
- tmp = (0xFF00 & (453 * j)) >> 8;
- bu[j + 128] = tmp; bu[127 - j] = -tmp;
- tmp = (0xFF00 & (359 * j)) >> 8;
- rv[j + 128] = tmp; rv[127 - j] = -tmp;
- tmp = (0xFF00 & (88 * j)) >> 8;
- gu[j + 128] = tmp; gu[127 - j] = -tmp;
- tmp = (0xFF00 & (183 * j)) >> 8;
- gv[j + 128] = tmp; gv[127 - j] = -tmp;
- }
- for (j = 0; j < 16; j++) {
- bu[j] = bu[16]; rv[j] = rv[16];
- gu[j] = gu[16]; gv[j] = gv[16];
- }
- for (j = 240; j < 256; j++) {
- bu[j] = bu[239]; rv[j] = rv[239];
- gu[j] = gu[239]; gv[j] = gv[239];
- }
- for (j = 16; j < 236; j++)
- ay[j] = j;
- for (j = 0; j < 16; j++)
- ay[j] = ay[16];
- for (j = 236; j < 256; j++)
- ay[j] = ay[235];
- JOM(8, "lookup tables are prepared\n");
-}
-pcache = peasycap->pcache;
-if (NULL == pcache)
- pcache = &peasycap->cache[0];
+ static s32 ay[256], bu[256], rv[256], gu[256], gv[256];
+ u8 *pcache;
+ u8 r, g, b, y, u, v, c, *p2, *p3, *pz, *pr;
+ int bytesperpixel;
+ bool byteswaporder, decimatepixel, last;
+ int j, rump;
+ s32 tmp;
+
+ if (much % 2) {
+ SAM("MISTAKE: much is odd\n");
+ return -EFAULT;
+ }
+ bytesperpixel = peasycap->bytesperpixel;
+ byteswaporder = peasycap->byteswaporder;
+ decimatepixel = peasycap->decimatepixel;
+
+/*---------------------------------------------------------------------------*/
+ if (!bu[255]) {
+ for (j = 0; j < 112; j++) {
+ tmp = (0xFF00 & (453 * j)) >> 8;
+ bu[j + 128] = tmp; bu[127 - j] = -tmp;
+ tmp = (0xFF00 & (359 * j)) >> 8;
+ rv[j + 128] = tmp; rv[127 - j] = -tmp;
+ tmp = (0xFF00 & (88 * j)) >> 8;
+ gu[j + 128] = tmp; gu[127 - j] = -tmp;
+ tmp = (0xFF00 & (183 * j)) >> 8;
+ gv[j + 128] = tmp; gv[127 - j] = -tmp;
+ }
+ for (j = 0; j < 16; j++) {
+ bu[j] = bu[16]; rv[j] = rv[16];
+ gu[j] = gu[16]; gv[j] = gv[16];
+ }
+ for (j = 240; j < 256; j++) {
+ bu[j] = bu[239]; rv[j] = rv[239];
+ gu[j] = gu[239]; gv[j] = gv[239];
+ }
+ for (j = 16; j < 236; j++)
+ ay[j] = j;
+ for (j = 0; j < 16; j++)
+ ay[j] = ay[16];
+ for (j = 236; j < 256; j++)
+ ay[j] = ay[235];
+ JOM(8, "lookup tables are prepared\n");
+ }
+ pcache = peasycap->pcache;
+ if (NULL == pcache)
+ pcache = &peasycap->cache[0];
/*---------------------------------------------------------------------------*/
/*
* TRANSFER CONTENTS OF CACHE TO THE FRAME BUFFER
*/
/*---------------------------------------------------------------------------*/
-if (!pcache) {
- SAM("MISTAKE: pcache is NULL\n");
- return -EFAULT;
-}
+ if (!pcache) {
+ SAM("MISTAKE: pcache is NULL\n");
+ return -EFAULT;
+ }
-if (pcache != &peasycap->cache[0])
- JOM(16, "cache has %i bytes\n", (int)(pcache - &peasycap->cache[0]));
-p2 = &peasycap->cache[0];
-p3 = (u8 *)pad - (int)(pcache - &peasycap->cache[0]);
-while (p2 < pcache) {
- *p3++ = *p2; p2++;
-}
-pcache = &peasycap->cache[0];
-if (p3 != pad) {
- SAM("MISTAKE: pointer misalignment\n");
- return -EFAULT;
-}
+ if (pcache != &peasycap->cache[0])
+ JOM(16, "cache has %i bytes\n", (int)(pcache - &peasycap->cache[0]));
+ p2 = &peasycap->cache[0];
+ p3 = (u8 *)pad - (int)(pcache - &peasycap->cache[0]);
+ while (p2 < pcache) {
+ *p3++ = *p2; p2++;
+ }
+ pcache = &peasycap->cache[0];
+ if (p3 != pad) {
+ SAM("MISTAKE: pointer misalignment\n");
+ return -EFAULT;
+ }
/*---------------------------------------------------------------------------*/
-rump = (int)(0x03 & mask);
-u = 0; v = 0;
-p2 = (u8 *)pex; pz = p2 + much; pr = p3 + more; last = false;
-p2++;
+ rump = (int)(0x03 & mask);
+ u = 0; v = 0;
+ p2 = (u8 *)pex; pz = p2 + much; pr = p3 + more; last = false;
+ p2++;
-if (true == isuy)
- u = *(p2 - 1);
-else
- v = *(p2 - 1);
+ if (true == isuy)
+ u = *(p2 - 1);
+ else
+ v = *(p2 - 1);
-if (rump)
- JOM(16, "%4i=much %4i=more %i=rump\n", much, more, rump);
+ if (rump)
+ JOM(16, "%4i=much %4i=more %i=rump\n", much, more, rump);
/*---------------------------------------------------------------------------*/
-switch (bytesperpixel) {
-case 2: {
- if (false == decimatepixel) {
- memcpy(pad, pex, (size_t)much);
- if (false == byteswaporder)
- /*---------------------------------------------------*/
- /*
- ** UYVY
- */
- /*---------------------------------------------------*/
- return 0;
- else {
- /*---------------------------------------------------*/
- /*
- ** YUYV
- */
- /*---------------------------------------------------*/
- p3 = (u8 *)pad; pz = p3 + much;
- while (pz > p3) {
- c = *p3;
- *p3 = *(p3 + 1);
- *(p3 + 1) = c;
- p3 += 2;
- }
- return 0;
- }
- } else {
- if (false == byteswaporder) {
- /*---------------------------------------------------*/
- /*
- ** UYVY DECIMATED
- */
- /*---------------------------------------------------*/
- p2 = (u8 *)pex; p3 = (u8 *)pad; pz = p2 + much;
- while (pz > p2) {
- *p3 = *p2;
- *(p3 + 1) = *(p2 + 1);
- *(p3 + 2) = *(p2 + 2);
- *(p3 + 3) = *(p2 + 3);
- p3 += 4; p2 += 8;
- }
- return 0;
- } else {
- /*---------------------------------------------------*/
- /*
- ** YUYV DECIMATED
- **/
- /*---------------------------------------------------*/
- p2 = (u8 *)pex; p3 = (u8 *)pad; pz = p2 + much;
- while (pz > p2) {
- *p3 = *(p2 + 1);
- *(p3 + 1) = *p2;
- *(p3 + 2) = *(p2 + 3);
- *(p3 + 3) = *(p2 + 2);
- p3 += 4; p2 += 8;
- }
- return 0;
- }
- }
- break;
- }
-case 3:
- {
- if (false == decimatepixel) {
- if (false == byteswaporder) {
- /*---------------------------------------------------*/
- /*
- ** RGB
- **/
- /*---------------------------------------------------*/
- while (pz > p2) {
- if (pr <= (p3 + bytesperpixel))
- last = true;
- else
- last = false;
- y = *p2;
- if ((true == last) && (0x0C & mask)) {
- if (0x04 & mask) {
- if (true == isuy)
- v = margin;
- else
- u = margin;
- } else
- if (0x08 & mask)
- ;
- } else {
- if (true == isuy)
- v = *(p2 + 1);
- else
- u = *(p2 + 1);
- }
-
- tmp = ay[(int)y] + rv[(int)v];
- r = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] - gu[(int)u] - gv[(int)v];
- g = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] + bu[(int)u];
- b = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
-
- if ((true == last) && rump) {
- pcache = &peasycap->cache[0];
- switch (bytesperpixel - rump) {
- case 1: {
- *p3 = r;
- *pcache++ = g;
- *pcache++ = b;
- break;
- }
- case 2: {
- *p3 = r;
- *(p3 + 1) = g;
- *pcache++ = b;
- break;
- }
- default: {
- SAM("MISTAKE: %i=rump\n",
- bytesperpixel - rump);
- return -EFAULT;
- }
- }
- } else {
- *p3 = r;
- *(p3 + 1) = g;
- *(p3 + 2) = b;
+ switch (bytesperpixel) {
+ case 2: {
+ if (false == decimatepixel) {
+ memcpy(pad, pex, (size_t)much);
+ if (false == byteswaporder) {
+ /* UYVY */
+ return 0;
+ } else {
+ /* YUYV */
+ p3 = (u8 *)pad; pz = p3 + much;
+ while (pz > p3) {
+ c = *p3;
+ *p3 = *(p3 + 1);
+ *(p3 + 1) = c;
+ p3 += 2;
}
- p2 += 2;
- if (true == isuy)
- isuy = false;
- else
- isuy = true;
- p3 += bytesperpixel;
+ return 0;
}
- return 0;
} else {
- /*---------------------------------------------------*/
- /*
- ** BGR
- */
- /*---------------------------------------------------*/
- while (pz > p2) {
- if (pr <= (p3 + bytesperpixel))
- last = true;
- else
- last = false;
- y = *p2;
- if ((true == last) && (0x0C & mask)) {
- if (0x04 & mask) {
- if (true == isuy)
- v = margin;
- else
- u = margin;
- }
- else
- if (0x08 & mask)
- ;
- } else {
- if (true == isuy)
- v = *(p2 + 1);
- else
- u = *(p2 + 1);
+ if (false == byteswaporder) {
+ /* UYVY DECIMATED */
+ p2 = (u8 *)pex; p3 = (u8 *)pad; pz = p2 + much;
+ while (pz > p2) {
+ *p3 = *p2;
+ *(p3 + 1) = *(p2 + 1);
+ *(p3 + 2) = *(p2 + 2);
+ *(p3 + 3) = *(p2 + 3);
+ p3 += 4; p2 += 8;
}
-
- tmp = ay[(int)y] + rv[(int)v];
- r = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] - gu[(int)u] - gv[(int)v];
- g = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] + bu[(int)u];
- b = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
-
- if ((true == last) && rump) {
- pcache = &peasycap->cache[0];
- switch (bytesperpixel - rump) {
- case 1: {
- *p3 = b;
- *pcache++ = g;
- *pcache++ = r;
- break;
- }
- case 2: {
- *p3 = b;
- *(p3 + 1) = g;
- *pcache++ = r;
- break;
- }
- default: {
- SAM("MISTAKE: %i=rump\n",
- bytesperpixel - rump);
- return -EFAULT;
- }
- }
- } else {
- *p3 = b;
- *(p3 + 1) = g;
- *(p3 + 2) = r;
- }
- p2 += 2;
- if (true == isuy)
- isuy = false;
- else
- isuy = true;
- p3 += bytesperpixel;
+ return 0;
+ } else {
+ /* YUYV DECIMATED */
+ p2 = (u8 *)pex; p3 = (u8 *)pad; pz = p2 + much;
+ while (pz > p2) {
+ *p3 = *(p2 + 1);
+ *(p3 + 1) = *p2;
+ *(p3 + 2) = *(p2 + 3);
+ *(p3 + 3) = *(p2 + 2);
+ p3 += 4; p2 += 8;
}
+ return 0;
}
- return 0;
- } else {
- if (false == byteswaporder) {
- /*---------------------------------------------------*/
- /*
- ** RGB DECIMATED
- */
- /*---------------------------------------------------*/
- while (pz > p2) {
- if (pr <= (p3 + bytesperpixel))
- last = true;
- else
- last = false;
- y = *p2;
- if ((true == last) && (0x0C & mask)) {
- if (0x04 & mask) {
+ }
+ break;
+ }
+ case 3:
+ {
+ if (false == decimatepixel) {
+ if (false == byteswaporder) {
+ /* RGB */
+ while (pz > p2) {
+ if (pr <= (p3 + bytesperpixel))
+ last = true;
+ else
+ last = false;
+ y = *p2;
+ if ((true == last) && (0x0C & mask)) {
+ if (0x04 & mask) {
+ if (true == isuy)
+ v = margin;
+ else
+ u = margin;
+ } else
+ if (0x08 & mask)
+ ;
+ } else {
if (true == isuy)
- v = margin;
+ v = *(p2 + 1);
else
- u = margin;
- } else
- if (0x08 & mask)
- ;
- } else {
- if (true == isuy)
- v = *(p2 + 1);
- else
- u = *(p2 + 1);
- }
+ u = *(p2 + 1);
+ }
- if (true == isuy) {
tmp = ay[(int)y] + rv[(int)v];
r = (255 < tmp) ? 255 : ((0 > tmp) ?
0 : (u8)tmp);
- tmp = ay[(int)y] - gu[(int)u] -
- gv[(int)v];
+ tmp = ay[(int)y] - gu[(int)u] - gv[(int)v];
g = (255 < tmp) ? 255 : ((0 > tmp) ?
0 : (u8)tmp);
tmp = ay[(int)y] + bu[(int)u];
break;
}
default: {
- SAM("MISTAKE: "
- "%i=rump\n",
- bytesperpixel - rump);
+ SAM("MISTAKE: %i=rump\n",
+ bytesperpixel - rump);
return -EFAULT;
}
}
*(p3 + 1) = g;
*(p3 + 2) = b;
}
- isuy = false;
+ p2 += 2;
+ if (true == isuy)
+ isuy = false;
+ else
+ isuy = true;
p3 += bytesperpixel;
- } else {
- isuy = true;
}
- p2 += 2;
- }
- return 0;
- } else {
- /*---------------------------------------------------*/
- /*
- * BGR DECIMATED
- */
- /*---------------------------------------------------*/
- while (pz > p2) {
- if (pr <= (p3 + bytesperpixel))
- last = true;
- else
- last = false;
- y = *p2;
- if ((true == last) && (0x0C & mask)) {
- if (0x04 & mask) {
- if (true == isuy)
- v = margin;
- else
- u = margin;
- } else
+ return 0;
+ } else {
+ /* BGR */
+ while (pz > p2) {
+ if (pr <= (p3 + bytesperpixel))
+ last = true;
+ else
+ last = false;
+ y = *p2;
+ if ((true == last) && (0x0C & mask)) {
+ if (0x04 & mask) {
+ if (true == isuy)
+ v = margin;
+ else
+ u = margin;
+ }
+ else
if (0x08 & mask)
;
- } else {
- if (true == isuy)
- v = *(p2 + 1);
- else
- u = *(p2 + 1);
- }
-
- if (true == isuy) {
+ } else {
+ if (true == isuy)
+ v = *(p2 + 1);
+ else
+ u = *(p2 + 1);
+ }
tmp = ay[(int)y] + rv[(int)v];
r = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] - gu[(int)u] -
- gv[(int)v];
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] - gu[(int)u] - gv[(int)v];
g = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
+ 0 : (u8)tmp);
tmp = ay[(int)y] + bu[(int)u];
b = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
+ 0 : (u8)tmp);
if ((true == last) && rump) {
pcache = &peasycap->cache[0];
break;
}
default: {
- SAM("MISTAKE: "
- "%i=rump\n",
- bytesperpixel - rump);
+ SAM("MISTAKE: %i=rump\n",
+ bytesperpixel - rump);
return -EFAULT;
}
}
*(p3 + 1) = g;
*(p3 + 2) = r;
}
- isuy = false;
+ p2 += 2;
+ if (true == isuy)
+ isuy = false;
+ else
+ isuy = true;
p3 += bytesperpixel;
}
- else
- isuy = true;
- p2 += 2;
}
return 0;
- }
- }
- break;
- }
-case 4:
- {
- if (false == decimatepixel) {
- if (false == byteswaporder) {
- /*---------------------------------------------------*/
- /*
- ** RGBA
- */
- /*---------------------------------------------------*/
- while (pz > p2) {
- if (pr <= (p3 + bytesperpixel))
- last = true;
- else
- last = false;
- y = *p2;
- if ((true == last) && (0x0C & mask)) {
- if (0x04 & mask) {
+ } else {
+ if (false == byteswaporder) {
+ /* RGB DECIMATED */
+ while (pz > p2) {
+ if (pr <= (p3 + bytesperpixel))
+ last = true;
+ else
+ last = false;
+ y = *p2;
+ if ((true == last) && (0x0C & mask)) {
+ if (0x04 & mask) {
+ if (true == isuy)
+ v = margin;
+ else
+ u = margin;
+ } else
+ if (0x08 & mask)
+ ;
+ } else {
if (true == isuy)
- v = margin;
+ v = *(p2 + 1);
else
- u = margin;
- } else
- if (0x08 & mask)
- ;
- } else {
- if (true == isuy)
- v = *(p2 + 1);
- else
- u = *(p2 + 1);
- }
-
- tmp = ay[(int)y] + rv[(int)v];
- r = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] - gu[(int)u] - gv[(int)v];
- g = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] + bu[(int)u];
- b = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
-
- if ((true == last) && rump) {
- pcache = &peasycap->cache[0];
- switch (bytesperpixel - rump) {
- case 1: {
- *p3 = r;
- *pcache++ = g;
- *pcache++ = b;
- *pcache++ = 0;
- break;
- }
- case 2: {
- *p3 = r;
- *(p3 + 1) = g;
- *pcache++ = b;
- *pcache++ = 0;
- break;
- }
- case 3: {
- *p3 = r;
- *(p3 + 1) = g;
- *(p3 + 2) = b;
- *pcache++ = 0;
- break;
- }
- default: {
- SAM("MISTAKE: %i=rump\n",
- bytesperpixel - rump);
- return -EFAULT;
+ u = *(p2 + 1);
}
+
+ if (true == isuy) {
+ tmp = ay[(int)y] + rv[(int)v];
+ r = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] - gu[(int)u] -
+ gv[(int)v];
+ g = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] + bu[(int)u];
+ b = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+
+ if ((true == last) && rump) {
+ pcache = &peasycap->cache[0];
+ switch (bytesperpixel - rump) {
+ case 1: {
+ *p3 = r;
+ *pcache++ = g;
+ *pcache++ = b;
+ break;
+ }
+ case 2: {
+ *p3 = r;
+ *(p3 + 1) = g;
+ *pcache++ = b;
+ break;
+ }
+ default: {
+ SAM("MISTAKE: "
+ "%i=rump\n",
+ bytesperpixel - rump);
+ return -EFAULT;
+ }
+ }
+ } else {
+ *p3 = r;
+ *(p3 + 1) = g;
+ *(p3 + 2) = b;
+ }
+ isuy = false;
+ p3 += bytesperpixel;
+ } else {
+ isuy = true;
}
- } else {
- *p3 = r;
- *(p3 + 1) = g;
- *(p3 + 2) = b;
- *(p3 + 3) = 0;
+ p2 += 2;
}
- p2 += 2;
- if (true == isuy)
- isuy = false;
- else
- isuy = true;
- p3 += bytesperpixel;
- }
- return 0;
- } else {
- /*---------------------------------------------------*/
- /*
- ** BGRA
- */
- /*---------------------------------------------------*/
- while (pz > p2) {
- if (pr <= (p3 + bytesperpixel))
- last = true;
- else
- last = false;
- y = *p2;
- if ((true == last) && (0x0C & mask)) {
- if (0x04 & mask) {
+ return 0;
+ } else {
+ /* BGR DECIMATED */
+ while (pz > p2) {
+ if (pr <= (p3 + bytesperpixel))
+ last = true;
+ else
+ last = false;
+ y = *p2;
+ if ((true == last) && (0x0C & mask)) {
+ if (0x04 & mask) {
+ if (true == isuy)
+ v = margin;
+ else
+ u = margin;
+ } else
+ if (0x08 & mask)
+ ;
+ } else {
if (true == isuy)
- v = margin;
+ v = *(p2 + 1);
else
- u = margin;
- } else
- if (0x08 & mask)
- ;
- } else {
- if (true == isuy)
- v = *(p2 + 1);
- else
- u = *(p2 + 1);
- }
-
- tmp = ay[(int)y] + rv[(int)v];
- r = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] - gu[(int)u] - gv[(int)v];
- g = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] + bu[(int)u];
- b = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
-
- if ((true == last) && rump) {
- pcache = &peasycap->cache[0];
- switch (bytesperpixel - rump) {
- case 1: {
- *p3 = b;
- *pcache++ = g;
- *pcache++ = r;
- *pcache++ = 0;
- break;
- }
- case 2: {
- *p3 = b;
- *(p3 + 1) = g;
- *pcache++ = r;
- *pcache++ = 0;
- break;
- }
- case 3: {
- *p3 = b;
- *(p3 + 1) = g;
- *(p3 + 2) = r;
- *pcache++ = 0;
- break;
- }
- default: {
- SAM("MISTAKE: %i=rump\n",
- bytesperpixel - rump);
- return -EFAULT;
+ u = *(p2 + 1);
}
+
+ if (true == isuy) {
+
+ tmp = ay[(int)y] + rv[(int)v];
+ r = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] - gu[(int)u] -
+ gv[(int)v];
+ g = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] + bu[(int)u];
+ b = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+
+ if ((true == last) && rump) {
+ pcache = &peasycap->cache[0];
+ switch (bytesperpixel - rump) {
+ case 1: {
+ *p3 = b;
+ *pcache++ = g;
+ *pcache++ = r;
+ break;
+ }
+ case 2: {
+ *p3 = b;
+ *(p3 + 1) = g;
+ *pcache++ = r;
+ break;
+ }
+ default: {
+ SAM("MISTAKE: "
+ "%i=rump\n",
+ bytesperpixel - rump);
+ return -EFAULT;
+ }
+ }
+ } else {
+ *p3 = b;
+ *(p3 + 1) = g;
+ *(p3 + 2) = r;
+ }
+ isuy = false;
+ p3 += bytesperpixel;
+ }
+ else
+ isuy = true;
+ p2 += 2;
}
- } else {
- *p3 = b;
- *(p3 + 1) = g;
- *(p3 + 2) = r;
- *(p3 + 3) = 0;
+ return 0;
}
- p2 += 2;
- if (true == isuy)
- isuy = false;
- else
- isuy = true;
- p3 += bytesperpixel;
}
+ break;
}
- return 0;
- } else {
- if (false == byteswaporder) {
- /*---------------------------------------------------*/
- /*
- ** RGBA DECIMATED
- */
- /*---------------------------------------------------*/
- while (pz > p2) {
- if (pr <= (p3 + bytesperpixel))
- last = true;
- else
- last = false;
- y = *p2;
- if ((true == last) && (0x0C & mask)) {
- if (0x04 & mask) {
+ case 4:
+ {
+ if (false == decimatepixel) {
+ if (false == byteswaporder) {
+ /* RGBA */
+ while (pz > p2) {
+ if (pr <= (p3 + bytesperpixel))
+ last = true;
+ else
+ last = false;
+ y = *p2;
+ if ((true == last) && (0x0C & mask)) {
+ if (0x04 & mask) {
+ if (true == isuy)
+ v = margin;
+ else
+ u = margin;
+ } else
+ if (0x08 & mask)
+ ;
+ } else {
if (true == isuy)
- v = margin;
+ v = *(p2 + 1);
else
- u = margin;
- } else
- if (0x08 & mask)
- ;
- } else {
- if (true == isuy)
- v = *(p2 + 1);
- else
- u = *(p2 + 1);
- }
-
- if (true == isuy) {
+ u = *(p2 + 1);
+ }
tmp = ay[(int)y] + rv[(int)v];
r = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] - gu[(int)u] -
- gv[(int)v];
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] - gu[(int)u] - gv[(int)v];
g = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
+ 0 : (u8)tmp);
tmp = ay[(int)y] + bu[(int)u];
b = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
+ 0 : (u8)tmp);
if ((true == last) && rump) {
pcache = &peasycap->cache[0];
break;
}
default: {
- SAM("MISTAKE: "
- "%i=rump\n",
- bytesperpixel -
- rump);
+ SAM("MISTAKE: %i=rump\n",
+ bytesperpixel - rump);
return -EFAULT;
- }
+ }
}
} else {
*p3 = r;
*(p3 + 1) = g;
*(p3 + 2) = b;
*(p3 + 3) = 0;
- }
- isuy = false;
- p3 += bytesperpixel;
- } else
- isuy = true;
- p2 += 2;
- }
- return 0;
- } else {
- /*---------------------------------------------------*/
- /*
- ** BGRA DECIMATED
- */
- /*---------------------------------------------------*/
- while (pz > p2) {
- if (pr <= (p3 + bytesperpixel))
- last = true;
- else
- last = false;
- y = *p2;
- if ((true == last) && (0x0C & mask)) {
- if (0x04 & mask) {
- if (true == isuy)
- v = margin;
- else
- u = margin;
- } else
- if (0x08 & mask)
- ;
- } else {
+ }
+ p2 += 2;
if (true == isuy)
- v = *(p2 + 1);
+ isuy = false;
else
- u = *(p2 + 1);
+ isuy = true;
+ p3 += bytesperpixel;
}
+ return 0;
+ } else {
+ /*
+ * BGRA
+ */
+ while (pz > p2) {
+ if (pr <= (p3 + bytesperpixel))
+ last = true;
+ else
+ last = false;
+ y = *p2;
+ if ((true == last) && (0x0C & mask)) {
+ if (0x04 & mask) {
+ if (true == isuy)
+ v = margin;
+ else
+ u = margin;
+ } else
+ if (0x08 & mask)
+ ;
+ } else {
+ if (true == isuy)
+ v = *(p2 + 1);
+ else
+ u = *(p2 + 1);
+ }
- if (true == isuy) {
tmp = ay[(int)y] + rv[(int)v];
r = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
- tmp = ay[(int)y] - gu[(int)u] -
- gv[(int)v];
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] - gu[(int)u] - gv[(int)v];
g = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
+ 0 : (u8)tmp);
tmp = ay[(int)y] + bu[(int)u];
b = (255 < tmp) ? 255 : ((0 > tmp) ?
- 0 : (u8)tmp);
+ 0 : (u8)tmp);
if ((true == last) && rump) {
pcache = &peasycap->cache[0];
*pcache++ = 0;
break;
}
- default: {
- SAM("MISTAKE: "
- "%i=rump\n",
- bytesperpixel - rump);
+ default:
+ SAM("MISTAKE: %i=rump\n",
+ bytesperpixel - rump);
return -EFAULT;
}
- }
} else {
*p3 = b;
*(p3 + 1) = g;
*(p3 + 2) = r;
*(p3 + 3) = 0;
}
- isuy = false;
+ p2 += 2;
+ if (true == isuy)
+ isuy = false;
+ else
+ isuy = true;
p3 += bytesperpixel;
- } else
- isuy = true;
+ }
+ }
+ return 0;
+ } else {
+ if (false == byteswaporder) {
+ /*
+ * RGBA DECIMATED
+ */
+ while (pz > p2) {
+ if (pr <= (p3 + bytesperpixel))
+ last = true;
+ else
+ last = false;
+ y = *p2;
+ if ((true == last) && (0x0C & mask)) {
+ if (0x04 & mask) {
+ if (true == isuy)
+ v = margin;
+ else
+ u = margin;
+ } else
+ if (0x08 & mask)
+ ;
+ } else {
+ if (true == isuy)
+ v = *(p2 + 1);
+ else
+ u = *(p2 + 1);
+ }
+
+ if (true == isuy) {
+
+ tmp = ay[(int)y] + rv[(int)v];
+ r = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] - gu[(int)u] -
+ gv[(int)v];
+ g = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] + bu[(int)u];
+ b = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+
+ if ((true == last) && rump) {
+ pcache = &peasycap->cache[0];
+ switch (bytesperpixel - rump) {
+ case 1: {
+ *p3 = r;
+ *pcache++ = g;
+ *pcache++ = b;
+ *pcache++ = 0;
+ break;
+ }
+ case 2: {
+ *p3 = r;
+ *(p3 + 1) = g;
+ *pcache++ = b;
+ *pcache++ = 0;
+ break;
+ }
+ case 3: {
+ *p3 = r;
+ *(p3 + 1) = g;
+ *(p3 + 2) = b;
+ *pcache++ = 0;
+ break;
+ }
+ default: {
+ SAM("MISTAKE: "
+ "%i=rump\n",
+ bytesperpixel -
+ rump);
+ return -EFAULT;
+ }
+ }
+ } else {
+ *p3 = r;
+ *(p3 + 1) = g;
+ *(p3 + 2) = b;
+ *(p3 + 3) = 0;
+ }
+ isuy = false;
+ p3 += bytesperpixel;
+ } else
+ isuy = true;
p2 += 2;
}
- return 0;
+ return 0;
+ } else {
+ /*
+ * BGRA DECIMATED
+ */
+ while (pz > p2) {
+ if (pr <= (p3 + bytesperpixel))
+ last = true;
+ else
+ last = false;
+ y = *p2;
+ if ((true == last) && (0x0C & mask)) {
+ if (0x04 & mask) {
+ if (true == isuy)
+ v = margin;
+ else
+ u = margin;
+ } else
+ if (0x08 & mask)
+ ;
+ } else {
+ if (true == isuy)
+ v = *(p2 + 1);
+ else
+ u = *(p2 + 1);
+ }
+
+ if (true == isuy) {
+ tmp = ay[(int)y] + rv[(int)v];
+ r = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] - gu[(int)u] -
+ gv[(int)v];
+ g = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+ tmp = ay[(int)y] + bu[(int)u];
+ b = (255 < tmp) ? 255 : ((0 > tmp) ?
+ 0 : (u8)tmp);
+
+ if ((true == last) && rump) {
+ pcache = &peasycap->cache[0];
+ switch (bytesperpixel - rump) {
+ case 1: {
+ *p3 = b;
+ *pcache++ = g;
+ *pcache++ = r;
+ *pcache++ = 0;
+ break;
+ }
+ case 2: {
+ *p3 = b;
+ *(p3 + 1) = g;
+ *pcache++ = r;
+ *pcache++ = 0;
+ break;
+ }
+ case 3: {
+ *p3 = b;
+ *(p3 + 1) = g;
+ *(p3 + 2) = r;
+ *pcache++ = 0;
+ break;
+ }
+ default: {
+ SAM("MISTAKE: "
+ "%i=rump\n",
+ bytesperpixel - rump);
+ return -EFAULT;
+ }
+ }
+ } else {
+ *p3 = b;
+ *(p3 + 1) = g;
+ *(p3 + 2) = r;
+ *(p3 + 3) = 0;
+ }
+ isuy = false;
+ p3 += bytesperpixel;
+ } else
+ isuy = true;
+ p2 += 2;
+ }
+ return 0;
+ }
}
+ break;
+ }
+ default: {
+ SAM("MISTAKE: %i=bytesperpixel\n", bytesperpixel);
+ return -EFAULT;
}
- break;
- }
-default: {
- SAM("MISTAKE: %i=bytesperpixel\n", bytesperpixel);
- return -EFAULT;
}
-}
-return 0;
+ return 0;
}
/*****************************************************************************/
-/*---------------------------------------------------------------------------*/
/*
* SEE CORBET ET AL. "LINUX DEVICE DRIVERS", 3rd EDITION, PAGES 430-434
*/
-/*---------------------------------------------------------------------------*/
/*****************************************************************************/
static void easycap_vma_open(struct vm_area_struct *pvma)
{
-struct easycap *peasycap;
+ struct easycap *peasycap;
-peasycap = pvma->vm_private_data;
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return;
-}
-if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
- SAY("ERROR: bad peasycap: %p\n", peasycap);
+ peasycap = pvma->vm_private_data;
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return;
+ }
+ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
+ SAY("ERROR: bad peasycap: %p\n", peasycap);
+ return;
+ }
+ peasycap->vma_many++;
+ JOT(8, "%i=peasycap->vma_many\n", peasycap->vma_many);
return;
}
-peasycap->vma_many++;
-JOT(8, "%i=peasycap->vma_many\n", peasycap->vma_many);
-return;
-}
/*****************************************************************************/
static void easycap_vma_close(struct vm_area_struct *pvma)
{
-struct easycap *peasycap;
+ struct easycap *peasycap;
-peasycap = pvma->vm_private_data;
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return;
-}
-if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
- SAY("ERROR: bad peasycap: %p\n", peasycap);
+ peasycap = pvma->vm_private_data;
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return;
+ }
+ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
+ SAY("ERROR: bad peasycap: %p\n", peasycap);
+ return;
+ }
+ peasycap->vma_many--;
+ JOT(8, "%i=peasycap->vma_many\n", peasycap->vma_many);
return;
}
-peasycap->vma_many--;
-JOT(8, "%i=peasycap->vma_many\n", peasycap->vma_many);
-return;
-}
/*****************************************************************************/
static int easycap_vma_fault(struct vm_area_struct *pvma, struct vm_fault *pvmf)
{
-int k, m, retcode;
-void *pbuf;
-struct page *page;
-struct easycap *peasycap;
+ int k, m, retcode;
+ void *pbuf;
+ struct page *page;
+ struct easycap *peasycap;
-retcode = VM_FAULT_NOPAGE;
+ retcode = VM_FAULT_NOPAGE;
-if (NULL == pvma) {
- SAY("pvma is NULL\n");
- return retcode;
-}
-if (NULL == pvmf) {
- SAY("pvmf is NULL\n");
- return retcode;
-}
+ if (NULL == pvma) {
+ SAY("pvma is NULL\n");
+ return retcode;
+ }
+ if (NULL == pvmf) {
+ SAY("pvmf is NULL\n");
+ return retcode;
+ }
-k = (pvmf->pgoff) / (FRAME_BUFFER_SIZE/PAGE_SIZE);
-m = (pvmf->pgoff) % (FRAME_BUFFER_SIZE/PAGE_SIZE);
+ k = (pvmf->pgoff) / (FRAME_BUFFER_SIZE/PAGE_SIZE);
+ m = (pvmf->pgoff) % (FRAME_BUFFER_SIZE/PAGE_SIZE);
-if (!m)
- JOT(4, "%4i=k, %4i=m\n", k, m);
-else
- JOT(16, "%4i=k, %4i=m\n", k, m);
+ if (!m)
+ JOT(4, "%4i=k, %4i=m\n", k, m);
+ else
+ JOT(16, "%4i=k, %4i=m\n", k, m);
-if ((0 > k) || (FRAME_BUFFER_MANY <= k)) {
- SAY("ERROR: buffer index %i out of range\n", k);
- return retcode;
-}
-if ((0 > m) || (FRAME_BUFFER_SIZE/PAGE_SIZE <= m)) {
- SAY("ERROR: page number %i out of range\n", m);
- return retcode;
-}
-peasycap = pvma->vm_private_data;
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return retcode;
-}
+ if ((0 > k) || (FRAME_BUFFER_MANY <= k)) {
+ SAY("ERROR: buffer index %i out of range\n", k);
+ return retcode;
+ }
+ if ((0 > m) || (FRAME_BUFFER_SIZE/PAGE_SIZE <= m)) {
+ SAY("ERROR: page number %i out of range\n", m);
+ return retcode;
+ }
+ peasycap = pvma->vm_private_data;
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return retcode;
+ }
/*---------------------------------------------------------------------------*/
-pbuf = peasycap->frame_buffer[k][m].pgo;
-if (NULL == pbuf) {
- SAM("ERROR: pbuf is NULL\n");
- return retcode;
-}
-page = virt_to_page(pbuf);
-if (NULL == page) {
- SAM("ERROR: page is NULL\n");
- return retcode;
-}
-get_page(page);
+ pbuf = peasycap->frame_buffer[k][m].pgo;
+ if (NULL == pbuf) {
+ SAM("ERROR: pbuf is NULL\n");
+ return retcode;
+ }
+ page = virt_to_page(pbuf);
+ if (NULL == page) {
+ SAM("ERROR: page is NULL\n");
+ return retcode;
+ }
+ get_page(page);
/*---------------------------------------------------------------------------*/
-if (NULL == page) {
- SAM("ERROR: page is NULL after get_page(page)\n");
-} else {
- pvmf->page = page;
- retcode = VM_FAULT_MINOR;
-}
-return retcode;
+ if (NULL == page) {
+ SAM("ERROR: page is NULL after get_page(page)\n");
+ } else {
+ pvmf->page = page;
+ retcode = VM_FAULT_MINOR;
+ }
+ return retcode;
}
static const struct vm_operations_struct easycap_vm_ops = {
/*---------------------------------------------------------------------------*/
static void easycap_complete(struct urb *purb)
{
-struct easycap *peasycap;
-struct data_buffer *pfield_buffer;
-char errbuf[16];
-int i, more, much, leap, rc, last;
-int videofieldamount;
-unsigned int override, bad;
-int framestatus, framelength, frameactual, frameoffset;
-u8 *pu;
-
-if (NULL == purb) {
- SAY("ERROR: easycap_complete(): purb is NULL\n");
- return;
-}
-peasycap = purb->context;
-if (NULL == peasycap) {
- SAY("ERROR: easycap_complete(): peasycap is NULL\n");
- return;
-}
-if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
- SAY("ERROR: bad peasycap: %p\n", peasycap);
- return;
-}
-if (peasycap->video_eof)
- return;
-for (i = 0; i < VIDEO_ISOC_BUFFER_MANY; i++)
- if (purb->transfer_buffer == peasycap->video_isoc_buffer[i].pgo)
- break;
-JOM(16, "%2i=urb\n", i);
-last = peasycap->video_isoc_sequence;
-if ((((VIDEO_ISOC_BUFFER_MANY - 1) == last) &&
- (0 != i)) ||
- (((VIDEO_ISOC_BUFFER_MANY - 1) != last) &&
- ((last + 1) != i))) {
- JOM(16, "ERROR: out-of-order urbs %i,%i ... continuing\n", last, i);
-}
-peasycap->video_isoc_sequence = i;
+ struct easycap *peasycap;
+ struct data_buffer *pfield_buffer;
+ char errbuf[16];
+ int i, more, much, leap, rc, last;
+ int videofieldamount;
+ unsigned int override, bad;
+ int framestatus, framelength, frameactual, frameoffset;
+ u8 *pu;
+
+ if (NULL == purb) {
+ SAY("ERROR: easycap_complete(): purb is NULL\n");
+ return;
+ }
+ peasycap = purb->context;
+ if (NULL == peasycap) {
+ SAY("ERROR: easycap_complete(): peasycap is NULL\n");
+ return;
+ }
+ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
+ SAY("ERROR: bad peasycap: %p\n", peasycap);
+ return;
+ }
+ if (peasycap->video_eof)
+ return;
+ for (i = 0; i < VIDEO_ISOC_BUFFER_MANY; i++)
+ if (purb->transfer_buffer == peasycap->video_isoc_buffer[i].pgo)
+ break;
+ JOM(16, "%2i=urb\n", i);
+ last = peasycap->video_isoc_sequence;
+ if ((((VIDEO_ISOC_BUFFER_MANY - 1) == last) && (0 != i)) ||
+ (((VIDEO_ISOC_BUFFER_MANY - 1) != last) && ((last + 1) != i))) {
+ JOM(16, "ERROR: out-of-order urbs %i,%i ... continuing\n",
+ last, i);
+ }
+ peasycap->video_isoc_sequence = i;
-if (peasycap->video_idle) {
- JOM(16, "%i=video_idle %i=video_isoc_streaming\n",
- peasycap->video_idle, peasycap->video_isoc_streaming);
- if (peasycap->video_isoc_streaming) {
- rc = usb_submit_urb(purb, GFP_ATOMIC);
- if (rc) {
- SAM("%s:%d ENOMEM\n", strerror(rc), rc);
- if (-ENODEV != rc)
- SAM("ERROR: while %i=video_idle, "
- "usb_submit_urb() "
- "failed with rc:\n",
- peasycap->video_idle);
+ if (peasycap->video_idle) {
+ JOM(16, "%i=video_idle %i=video_isoc_streaming\n",
+ peasycap->video_idle, peasycap->video_isoc_streaming);
+ if (peasycap->video_isoc_streaming) {
+ rc = usb_submit_urb(purb, GFP_ATOMIC);
+ if (rc) {
+ SAM("%s:%d ENOMEM\n", strerror(rc), rc);
+ if (-ENODEV != rc)
+ SAM("ERROR: while %i=video_idle, "
+ "usb_submit_urb() "
+ "failed with rc:\n",
+ peasycap->video_idle);
+ }
}
+ return;
}
-return;
-}
-override = 0;
+ override = 0;
/*---------------------------------------------------------------------------*/
-if (FIELD_BUFFER_MANY <= peasycap->field_fill) {
- SAM("ERROR: bad peasycap->field_fill\n");
- return;
-}
-if (purb->status) {
- if ((-ESHUTDOWN == purb->status) || (-ENOENT == purb->status)) {
- JOM(8, "urb status -ESHUTDOWN or -ENOENT\n");
+ if (FIELD_BUFFER_MANY <= peasycap->field_fill) {
+ SAM("ERROR: bad peasycap->field_fill\n");
return;
}
+ if (purb->status) {
+ if ((-ESHUTDOWN == purb->status) || (-ENOENT == purb->status)) {
+ JOM(8, "urb status -ESHUTDOWN or -ENOENT\n");
+ return;
+ }
- (peasycap->field_buffer[peasycap->field_fill][0].kount) |= 0x8000 ;
- SAM("ERROR: bad urb status -%s: %d\n",
- strerror(purb->status), purb->status);
+ (peasycap->field_buffer[peasycap->field_fill][0].kount) |= 0x8000 ;
+ SAM("ERROR: bad urb status -%s: %d\n",
+ strerror(purb->status), purb->status);
/*---------------------------------------------------------------------------*/
-} else {
- for (i = 0; i < purb->number_of_packets; i++) {
- if (0 != purb->iso_frame_desc[i].status) {
- (peasycap->field_buffer
- [peasycap->field_fill][0].kount) |= 0x8000 ;
- /* FIXME: 1. missing '-' check boundaries */
- strcpy(&errbuf[0],
- strerror(purb->iso_frame_desc[i].status));
- }
- framestatus = purb->iso_frame_desc[i].status;
- framelength = purb->iso_frame_desc[i].length;
- frameactual = purb->iso_frame_desc[i].actual_length;
- frameoffset = purb->iso_frame_desc[i].offset;
-
- JOM(16, "frame[%2i]:"
- "%4i=status "
- "%4i=actual "
- "%4i=length "
- "%5i=offset\n",
- i, framestatus, frameactual, framelength, frameoffset);
- if (!purb->iso_frame_desc[i].status) {
- more = purb->iso_frame_desc[i].actual_length;
- pfield_buffer = &peasycap->field_buffer
- [peasycap->field_fill][peasycap->field_page];
- videofieldamount = (peasycap->field_page *
- PAGE_SIZE) +
- (int)(pfield_buffer->pto - pfield_buffer->pgo);
- if (4 == more)
- peasycap->video_mt++;
- if (4 < more) {
- if (peasycap->video_mt) {
- JOM(8, "%4i empty video urb frames\n",
- peasycap->video_mt);
- peasycap->video_mt = 0;
- }
- if (FIELD_BUFFER_MANY <= peasycap->field_fill) {
- SAM("ERROR: bad peasycap->field_fill\n");
- return;
- }
- if (FIELD_BUFFER_SIZE/PAGE_SIZE <=
- peasycap->field_page) {
- SAM("ERROR: bad peasycap->field_page\n");
- return;
+ } else {
+ for (i = 0; i < purb->number_of_packets; i++) {
+ if (0 != purb->iso_frame_desc[i].status) {
+ (peasycap->field_buffer
+ [peasycap->field_fill][0].kount) |= 0x8000 ;
+ /* FIXME: 1. missing '-' check boundaries */
+ strcpy(&errbuf[0],
+ strerror(purb->iso_frame_desc[i].status));
}
- pfield_buffer = &peasycap->field_buffer
- [peasycap->field_fill][peasycap->field_page];
- pu = (u8 *)(purb->transfer_buffer +
- purb->iso_frame_desc[i].offset);
- if (0x80 & *pu)
- leap = 8;
- else
- leap = 4;
+ framestatus = purb->iso_frame_desc[i].status;
+ framelength = purb->iso_frame_desc[i].length;
+ frameactual = purb->iso_frame_desc[i].actual_length;
+ frameoffset = purb->iso_frame_desc[i].offset;
+
+ JOM(16, "frame[%2i]:"
+ "%4i=status "
+ "%4i=actual "
+ "%4i=length "
+ "%5i=offset\n",
+ i, framestatus, frameactual, framelength, frameoffset);
+ if (!purb->iso_frame_desc[i].status) {
+ more = purb->iso_frame_desc[i].actual_length;
+ pfield_buffer = &peasycap->field_buffer
+ [peasycap->field_fill][peasycap->field_page];
+ videofieldamount = (peasycap->field_page *
+ PAGE_SIZE) +
+ (int)(pfield_buffer->pto - pfield_buffer->pgo);
+ if (4 == more)
+ peasycap->video_mt++;
+ if (4 < more) {
+ if (peasycap->video_mt) {
+ JOM(8, "%4i empty video urb frames\n",
+ peasycap->video_mt);
+ peasycap->video_mt = 0;
+ }
+ if (FIELD_BUFFER_MANY <= peasycap->field_fill) {
+ SAM("ERROR: bad peasycap->field_fill\n");
+ return;
+ }
+ if (FIELD_BUFFER_SIZE/PAGE_SIZE <=
+ peasycap->field_page) {
+ SAM("ERROR: bad peasycap->field_page\n");
+ return;
+ }
+ pfield_buffer = &peasycap->field_buffer
+ [peasycap->field_fill][peasycap->field_page];
+ pu = (u8 *)(purb->transfer_buffer +
+ purb->iso_frame_desc[i].offset);
+ if (0x80 & *pu)
+ leap = 8;
+ else
+ leap = 4;
/*--------------------------------------------------------------------------*/
/*
* EIGHT-BYTE END-OF-VIDEOFIELD MARKER.
* RESTS WITH dqbuf().
*/
/*---------------------------------------------------------------------------*/
- if ((8 == more) || override) {
- if (videofieldamount >
- peasycap->videofieldamount) {
- if (2 == videofieldamount -
- peasycap->
- videofieldamount) {
- (peasycap->field_buffer
- [peasycap->field_fill]
- [0].kount) |= 0x0100;
- peasycap->video_junk += (1 +
- VIDEO_JUNK_TOLERATE);
- } else
- (peasycap->field_buffer
- [peasycap->field_fill]
- [0].kount) |= 0x4000;
- } else if (videofieldamount <
- peasycap->
- videofieldamount) {
- (peasycap->field_buffer
- [peasycap->field_fill]
- [0].kount) |= 0x2000;
- }
- bad = 0xFF00 & peasycap->field_buffer
- [peasycap->field_fill]
- [0].kount;
- if (!bad) {
- (peasycap->video_junk)--;
- if (-VIDEO_JUNK_TOLERATE >
- peasycap->video_junk)
- peasycap->video_junk =
- -VIDEO_JUNK_TOLERATE;
- peasycap->field_read =
- (peasycap->
- field_fill)++;
- if (FIELD_BUFFER_MANY <=
+ if ((8 == more) || override) {
+ if (videofieldamount >
+ peasycap->videofieldamount) {
+ if (2 == videofieldamount -
+ peasycap->
+ videofieldamount) {
+ (peasycap->field_buffer
+ [peasycap->field_fill]
+ [0].kount) |= 0x0100;
+ peasycap->video_junk += (1 +
+ VIDEO_JUNK_TOLERATE);
+ } else
+ (peasycap->field_buffer
+ [peasycap->field_fill]
+ [0].kount) |= 0x4000;
+ } else if (videofieldamount <
+ peasycap->
+ videofieldamount) {
+ (peasycap->field_buffer
+ [peasycap->field_fill]
+ [0].kount) |= 0x2000;
+ }
+ bad = 0xFF00 & peasycap->field_buffer
+ [peasycap->field_fill]
+ [0].kount;
+ if (!bad) {
+ (peasycap->video_junk)--;
+ if (-VIDEO_JUNK_TOLERATE >
+ peasycap->video_junk)
+ peasycap->video_junk =
+ -VIDEO_JUNK_TOLERATE;
+ peasycap->field_read =
+ (peasycap->
+ field_fill)++;
+ if (FIELD_BUFFER_MANY <=
+ peasycap->
+ field_fill)
peasycap->
- field_fill)
- peasycap->
- field_fill = 0;
+ field_fill = 0;
+ peasycap->field_page = 0;
+ pfield_buffer = &peasycap->
+ field_buffer
+ [peasycap->
+ field_fill]
+ [peasycap->
+ field_page];
+ pfield_buffer->pto =
+ pfield_buffer->pgo;
+ JOM(8, "bumped to: %i="
+ "peasycap->"
+ "field_fill %i="
+ "parity\n",
+ peasycap->field_fill,
+ 0x00FF &
+ pfield_buffer->kount);
+ JOM(8, "field buffer %i has "
+ "%i bytes fit to be "
+ "read\n",
+ peasycap->field_read,
+ videofieldamount);
+ JOM(8, "wakeup call to "
+ "wq_video, "
+ "%i=field_read "
+ "%i=field_fill "
+ "%i=parity\n",
+ peasycap->field_read,
+ peasycap->field_fill,
+ 0x00FF & peasycap->
+ field_buffer
+ [peasycap->
+ field_read][0].kount);
+ wake_up_interruptible
+ (&(peasycap->
+ wq_video));
+ do_gettimeofday
+ (&peasycap->timeval7);
+ } else {
+ peasycap->video_junk++;
+ if (bad & 0x0010)
+ peasycap->video_junk +=
+ (1 + VIDEO_JUNK_TOLERATE/2);
+ JOM(8, "field buffer %i had %i "
+ "bytes, now discarded: "
+ "0x%04X\n",
+ peasycap->field_fill,
+ videofieldamount,
+ (0xFF00 &
+ peasycap->field_buffer
+ [peasycap->field_fill][0].
+ kount));
+ (peasycap->field_fill)++;
+
+ if (FIELD_BUFFER_MANY <=
+ peasycap->field_fill)
+ peasycap->field_fill = 0;
peasycap->field_page = 0;
- pfield_buffer = &peasycap->
- field_buffer
- [peasycap->
- field_fill]
- [peasycap->
- field_page];
+ pfield_buffer =
+ &peasycap->field_buffer
+ [peasycap->field_fill]
+ [peasycap->field_page];
pfield_buffer->pto =
- pfield_buffer->pgo;
- JOM(8, "bumped to: %i="
- "peasycap->"
- "field_fill %i="
- "parity\n",
- peasycap->field_fill,
- 0x00FF &
- pfield_buffer->kount);
- JOM(8, "field buffer %i has "
- "%i bytes fit to be "
- "read\n",
- peasycap->field_read,
- videofieldamount);
- JOM(8, "wakeup call to "
- "wq_video, "
- "%i=field_read "
- "%i=field_fill "
- "%i=parity\n",
- peasycap->field_read,
+ pfield_buffer->pgo;
+
+ JOM(8, "bumped to: %i=peasycap->"
+ "field_fill %i=parity\n",
peasycap->field_fill,
- 0x00FF & peasycap->
- field_buffer
- [peasycap->
- field_read][0].kount);
- wake_up_interruptible
- (&(peasycap->
- wq_video));
- do_gettimeofday
- (&peasycap->timeval7);
- } else {
- peasycap->video_junk++;
- if (bad & 0x0010)
- peasycap->video_junk +=
- (1 + VIDEO_JUNK_TOLERATE/2);
- JOM(8, "field buffer %i had %i "
- "bytes, now discarded: "
- "0x%04X\n",
- peasycap->field_fill,
- videofieldamount,
- (0xFF00 &
- peasycap->field_buffer
- [peasycap->field_fill][0].
- kount));
- (peasycap->field_fill)++;
-
- if (FIELD_BUFFER_MANY <=
- peasycap->field_fill)
- peasycap->field_fill = 0;
- peasycap->field_page = 0;
- pfield_buffer =
- &peasycap->field_buffer
- [peasycap->field_fill]
- [peasycap->field_page];
- pfield_buffer->pto =
- pfield_buffer->pgo;
-
- JOM(8, "bumped to: %i=peasycap->"
- "field_fill %i=parity\n",
- peasycap->field_fill,
- 0x00FF & pfield_buffer->kount);
- }
- if (8 == more) {
- JOM(8, "end-of-field: received "
- "parity byte 0x%02X\n",
- (0xFF & *pu));
- if (0x40 & *pu)
- pfield_buffer->kount = 0x0000;
- else
- pfield_buffer->kount = 0x0001;
- pfield_buffer->input = 0x08 |
- (0x07 & peasycap->input);
- JOM(8, "end-of-field: 0x%02X=kount\n",
- 0xFF & pfield_buffer->kount);
+ 0x00FF & pfield_buffer->kount);
+ }
+ if (8 == more) {
+ JOM(8, "end-of-field: received "
+ "parity byte 0x%02X\n",
+ (0xFF & *pu));
+ if (0x40 & *pu)
+ pfield_buffer->kount = 0x0000;
+ else
+ pfield_buffer->kount = 0x0001;
+ pfield_buffer->input = 0x08 |
+ (0x07 & peasycap->input);
+ JOM(8, "end-of-field: 0x%02X=kount\n",
+ 0xFF & pfield_buffer->kount);
+ }
}
- }
/*---------------------------------------------------------------------------*/
/*
* COPY more BYTES FROM ISOC BUFFER TO FIELD BUFFER
*/
/*---------------------------------------------------------------------------*/
- pu += leap;
- more -= leap;
+ pu += leap;
+ more -= leap;
- if (FIELD_BUFFER_MANY <= peasycap->field_fill) {
- SAM("ERROR: bad peasycap->field_fill\n");
- return;
- }
- if (FIELD_BUFFER_SIZE/PAGE_SIZE <=
- peasycap->field_page) {
- SAM("ERROR: bad peasycap->field_page\n");
- return;
- }
- pfield_buffer = &peasycap->field_buffer
- [peasycap->field_fill][peasycap->field_page];
- while (more) {
- pfield_buffer = &peasycap->field_buffer
- [peasycap->field_fill]
- [peasycap->field_page];
- if (PAGE_SIZE < (pfield_buffer->pto -
- pfield_buffer->pgo)) {
- SAM("ERROR: bad pfield_buffer->pto\n");
+ if (FIELD_BUFFER_MANY <= peasycap->field_fill) {
+ SAM("ERROR: bad peasycap->field_fill\n");
return;
}
- if (PAGE_SIZE == (pfield_buffer->pto -
- pfield_buffer->pgo)) {
- (peasycap->field_page)++;
- if (FIELD_BUFFER_SIZE/PAGE_SIZE <=
- peasycap->field_page) {
- JOM(16, "wrapping peasycap->"
- "field_page\n");
- peasycap->field_page = 0;
- }
- pfield_buffer = &peasycap->
- field_buffer
+ if (FIELD_BUFFER_SIZE/PAGE_SIZE <= peasycap->field_page) {
+ SAM("ERROR: bad peasycap->field_page\n");
+ return;
+ }
+ pfield_buffer = &peasycap->field_buffer
+ [peasycap->field_fill][peasycap->field_page];
+ while (more) {
+ pfield_buffer = &peasycap->field_buffer
[peasycap->field_fill]
[peasycap->field_page];
- pfield_buffer->pto =
- pfield_buffer->pgo;
- pfield_buffer->input = 0x08 |
- (0x07 & peasycap->input);
- if ((peasycap->field_buffer[peasycap->
- field_fill][0]).
- input !=
- pfield_buffer->input)
- (peasycap->field_buffer
- [peasycap->field_fill]
- [0]).kount |= 0x1000;
- }
+ if (PAGE_SIZE < (pfield_buffer->pto -
+ pfield_buffer->pgo)) {
+ SAM("ERROR: bad pfield_buffer->pto\n");
+ return;
+ }
+ if (PAGE_SIZE == (pfield_buffer->pto -
+ pfield_buffer->pgo)) {
+ (peasycap->field_page)++;
+ if (FIELD_BUFFER_SIZE/PAGE_SIZE <=
+ peasycap->field_page) {
+ JOM(16, "wrapping peasycap->"
+ "field_page\n");
+ peasycap->field_page = 0;
+ }
+ pfield_buffer = &peasycap->
+ field_buffer
+ [peasycap->field_fill]
+ [peasycap->field_page];
+ pfield_buffer->pto = pfield_buffer->pgo;
+ pfield_buffer->input = 0x08 |
+ (0x07 & peasycap->input);
+ if ((peasycap->field_buffer[peasycap->
+ field_fill][0]).
+ input !=
+ pfield_buffer->input)
+ (peasycap->field_buffer
+ [peasycap->field_fill]
+ [0]).kount |= 0x1000;
+ }
- much = PAGE_SIZE - (int)(pfield_buffer->pto -
+ much = PAGE_SIZE -
+ (int)(pfield_buffer->pto -
pfield_buffer->pgo);
- if (much > more)
- much = more;
- memcpy(pfield_buffer->pto, pu, much);
- pu += much;
- (pfield_buffer->pto) += much;
- more -= much;
+ if (much > more)
+ much = more;
+ memcpy(pfield_buffer->pto, pu, much);
+ pu += much;
+ (pfield_buffer->pto) += much;
+ more -= much;
+ }
}
}
}
}
-}
/*---------------------------------------------------------------------------*/
/*
* RESUBMIT THIS URB, UNLESS A SEVERE PERSISTENT ERROR CONDITION EXISTS.
* THE USERSPACE PROGRAM, E.G. mplayer, MAY HANG ON EXIT. BEWARE.
*/
/*---------------------------------------------------------------------------*/
-if (VIDEO_ISOC_BUFFER_MANY <= peasycap->video_junk) {
- SAM("easycap driver shutting down on condition green\n");
- peasycap->status = 1;
- peasycap->video_eof = 1;
- peasycap->video_junk = 0;
- wake_up_interruptible(&peasycap->wq_video);
+ if (VIDEO_ISOC_BUFFER_MANY <= peasycap->video_junk) {
+ SAM("easycap driver shutting down on condition green\n");
+ peasycap->status = 1;
+ peasycap->video_eof = 1;
+ peasycap->video_junk = 0;
+ wake_up_interruptible(&peasycap->wq_video);
#if !defined(PERSEVERE)
- peasycap->audio_eof = 1;
- wake_up_interruptible(&peasycap->wq_audio);
+ peasycap->audio_eof = 1;
+ wake_up_interruptible(&peasycap->wq_audio);
#endif /*PERSEVERE*/
- return;
-}
-if (peasycap->video_isoc_streaming) {
- rc = usb_submit_urb(purb, GFP_ATOMIC);
- if (rc) {
- SAM("%s: %d\n", strerror(rc), rc);
- if (-ENODEV != rc)
- SAM("ERROR: while %i=video_idle, "
- "usb_submit_urb() "
- "failed with rc:\n",
- peasycap->video_idle);
+ return;
}
-}
-return;
+ if (peasycap->video_isoc_streaming) {
+ rc = usb_submit_urb(purb, GFP_ATOMIC);
+ if (rc) {
+ SAM("%s: %d\n", strerror(rc), rc);
+ if (-ENODEV != rc)
+ SAM("ERROR: while %i=video_idle, "
+ "usb_submit_urb() "
+ "failed with rc:\n",
+ peasycap->video_idle);
+ }
+ }
+ return;
}
static const struct file_operations easycap_fops = {
.owner = THIS_MODULE,
/*---------------------------------------------------------------------------*/
rc = fillin_formats();
if (0 > rc) {
- SAM("ERROR: fillin_formats() returned %i\n", rc);
+ SAM("ERROR: fillin_formats() rc = %i\n", rc);
return -EFAULT;
}
JOM(4, "%i formats available\n", rc);
if (pusb_device == easycapdc60_dongle[ndong].peasycap->
pusb_device) {
peasycap = easycapdc60_dongle[ndong].peasycap;
- JOT(8, "intf[%i]: easycapdc60_dongle[%i].peasycap-->"
- "peasycap\n", bInterfaceNumber, ndong);
+ JOT(8, "intf[%i]: dongle[%i].peasycap\n",
+ bInterfaceNumber, ndong);
break;
}
}
easycap_ntsc ? "NTSC" : "PAL");
rc = reset(peasycap);
if (rc) {
- SAM("ERROR: reset() returned %i\n", rc);
+ SAM("ERROR: reset() rc = %i\n", rc);
return -EFAULT;
}
/*--------------------------------------------------------------------------*/
pusb_interface_descriptor->bInterfaceNumber);
break;
}
- /*--------------------------------------------------------------------------*/
+/*--------------------------------------------------------------------------*/
case 2: {
if (!peasycap) {
SAM("MISTAKE: peasycap is NULL\n");
rc = easycap_alsa_probe(peasycap);
if (rc) {
- err("easycap_alsa_probe() returned %i\n", rc);
+ err("easycap_alsa_probe() rc = %i\n", rc);
return -ENODEV;
} else {
JOM(8, "kref_get() with %i=kref.refcount.counter\n",
}
break;
}
-/*---------------------------------------------------------------------------*/
default:
break;
-}
+ }
/*--------------------------------------------------------------------------*/
/*
* DEREGISTER
* AN EasyCAP IS UNPLUGGED WHILE THE URBS ARE RUNNING. BEWARE.
*/
/*--------------------------------------------------------------------------*/
-kd = isdongle(peasycap);
-switch (bInterfaceNumber) {
-case 0: {
- if (0 <= kd && DONGLE_MANY > kd) {
- wake_up_interruptible(&peasycap->wq_video);
- JOM(4, "about to lock easycapdc60_dongle[%i].mutex_video\n",
- kd);
- if (mutex_lock_interruptible(&easycapdc60_dongle[kd].
+ kd = isdongle(peasycap);
+ switch (bInterfaceNumber) {
+ case 0: {
+ if (0 <= kd && DONGLE_MANY > kd) {
+ wake_up_interruptible(&peasycap->wq_video);
+ JOM(4, "about to lock dongle[%i].mutex_video\n", kd);
+ if (mutex_lock_interruptible(&easycapdc60_dongle[kd].
mutex_video)) {
- SAY("ERROR: cannot lock easycapdc60_dongle[%i]."
- "mutex_video\n", kd);
- return;
+ SAY("ERROR: "
+ "cannot lock dongle[%i].mutex_video\n", kd);
+ return;
+ }
+ JOM(4, "locked dongle[%i].mutex_video\n", kd);
+ } else {
+ SAY("ERROR: %i=kd is bad: cannot lock dongle\n", kd);
}
- JOM(4, "locked easycapdc60_dongle[%i].mutex_video\n", kd);
- } else
- SAY("ERROR: %i=kd is bad: cannot lock dongle\n", kd);
/*---------------------------------------------------------------------------*/
#ifndef EASYCAP_IS_VIDEODEV_CLIENT
- if (NULL == peasycap) {
- SAM("ERROR: peasycap has become NULL\n");
- } else {
- usb_deregister_dev(pusb_interface, &easycap_class);
- (peasycap->registered_video)--;
- JOM(4, "intf[%i]: usb_deregister_dev()\n", bInterfaceNumber);
- SAM("easycap detached from minor #%d\n", minor);
- }
+ if (NULL == peasycap) {
+ SAM("ERROR: peasycap has become NULL\n");
+ } else {
+ usb_deregister_dev(pusb_interface, &easycap_class);
+ peasycap->registered_video--;
+ JOM(4, "intf[%i]: usb_deregister_dev() minor = %i\n",
+ bInterfaceNumber, minor);
+ }
/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
#else
- if (!peasycap->v4l2_device.name[0]) {
- SAM("ERROR: peasycap->v4l2_device.name is empty\n");
- if (0 <= kd && DONGLE_MANY > kd)
- mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
- return;
- }
- v4l2_device_disconnect(&peasycap->v4l2_device);
- JOM(4, "v4l2_device_disconnect() OK\n");
- v4l2_device_unregister(&peasycap->v4l2_device);
- JOM(4, "v4l2_device_unregister() OK\n");
-
- video_unregister_device(&peasycap->video_device);
- JOM(4, "intf[%i]: video_unregister_device() OK\n", bInterfaceNumber);
- (peasycap->registered_video)--;
- JOM(4, "unregistered with videodev: %i=minor\n", minor);
+ if (!peasycap->v4l2_device.name[0]) {
+ SAM("ERROR: peasycap->v4l2_device.name is empty\n");
+ if (0 <= kd && DONGLE_MANY > kd)
+ mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
+ return;
+ }
+ v4l2_device_disconnect(&peasycap->v4l2_device);
+ JOM(4, "v4l2_device_disconnect() OK\n");
+ v4l2_device_unregister(&peasycap->v4l2_device);
+ JOM(4, "v4l2_device_unregister() OK\n");
+
+ video_unregister_device(&peasycap->video_device);
+ JOM(4, "intf[%i]: video_unregister_device() minor=%i\n",
+ bInterfaceNumber, minor);
+ peasycap->registered_video--;
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
- if (0 <= kd && DONGLE_MANY > kd) {
- mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
- JOM(4, "unlocked easycapdc60_dongle[%i].mutex_video\n", kd);
+ if (0 <= kd && DONGLE_MANY > kd) {
+ mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
+ JOM(4, "unlocked dongle[%i].mutex_video\n", kd);
+ }
+ break;
}
- break;
-}
-case 2: {
- if (0 <= kd && DONGLE_MANY > kd) {
- wake_up_interruptible(&peasycap->wq_audio);
- JOM(4, "about to lock easycapdc60_dongle[%i].mutex_audio\n",
- kd);
- if (mutex_lock_interruptible(&easycapdc60_dongle[kd].
+ case 2: {
+ if (0 <= kd && DONGLE_MANY > kd) {
+ wake_up_interruptible(&peasycap->wq_audio);
+ JOM(4, "about to lock dongle[%i].mutex_audio\n", kd);
+ if (mutex_lock_interruptible(&easycapdc60_dongle[kd].
mutex_audio)) {
- SAY("ERROR: cannot lock easycapdc60_dongle[%i]."
- "mutex_audio\n", kd);
- return;
- }
- JOM(4, "locked easycapdc60_dongle[%i].mutex_audio\n", kd);
- } else
- SAY("ERROR: %i=kd is bad: cannot lock dongle\n", kd);
+ SAY("ERROR: "
+ "cannot lock dongle[%i].mutex_audio\n", kd);
+ return;
+ }
+ JOM(4, "locked dongle[%i].mutex_audio\n", kd);
+ } else
+ SAY("ERROR: %i=kd is bad: cannot lock dongle\n", kd);
#ifndef CONFIG_EASYCAP_OSS
-
-
-
- if (0 != snd_card_free(peasycap->psnd_card)) {
- SAY("ERROR: snd_card_free() failed\n");
- } else {
- peasycap->psnd_card = NULL;
- (peasycap->registered_audio)--;
- }
-
-
+ if (0 != snd_card_free(peasycap->psnd_card)) {
+ SAY("ERROR: snd_card_free() failed\n");
+ } else {
+ peasycap->psnd_card = NULL;
+ (peasycap->registered_audio)--;
+ }
#else /* CONFIG_EASYCAP_OSS */
- usb_deregister_dev(pusb_interface, &easyoss_class);
- (peasycap->registered_audio)--;
- JOM(4, "intf[%i]: usb_deregister_dev()\n", bInterfaceNumber);
- SAM("easyoss detached from minor #%d\n", minor);
+ usb_deregister_dev(pusb_interface, &easyoss_class);
+ peasycap->registered_audio--;
+ JOM(4, "intf[%i]: usb_deregister_dev()\n", bInterfaceNumber);
+ SAM("easyoss detached from minor #%d\n", minor);
#endif /* CONFIG_EASYCAP_OSS */
-
- if (0 <= kd && DONGLE_MANY > kd) {
- mutex_unlock(&easycapdc60_dongle[kd].mutex_audio);
- JOM(4, "unlocked easycapdc60_dongle[%i].mutex_audio\n", kd);
+ if (0 <= kd && DONGLE_MANY > kd) {
+ mutex_unlock(&easycapdc60_dongle[kd].mutex_audio);
+ JOM(4, "unlocked dongle[%i].mutex_audio\n", kd);
+ }
+ break;
+ }
+ default:
+ break;
}
- break;
-}
-default:
- break;
-}
/*---------------------------------------------------------------------------*/
/*
* CALL easycap_delete() IF NO REMAINING REFERENCES TO peasycap
* (ALSO WHEN ALSA HAS BEEN IN USE)
*/
/*---------------------------------------------------------------------------*/
-if (!peasycap->kref.refcount.counter) {
- SAM("ERROR: peasycap->kref.refcount.counter is zero "
- "so cannot call kref_put()\n");
- SAM("ending unsuccessfully: may cause memory leak\n");
- return;
-}
-if (0 <= kd && DONGLE_MANY > kd) {
- JOM(4, "about to lock easycapdc60_dongle[%i].mutex_video\n", kd);
- if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_video)) {
- SAY("ERROR: cannot down "
- "easycapdc60_dongle[%i].mutex_video\n", kd);
- SAM("ending unsuccessfully: may cause memory leak\n");
- return;
- }
- JOM(4, "locked easycapdc60_dongle[%i].mutex_video\n", kd);
- JOM(4, "about to lock easycapdc60_dongle[%i].mutex_audio\n", kd);
- if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_audio)) {
- SAY("ERROR: cannot down "
- "easycapdc60_dongle[%i].mutex_audio\n", kd);
- mutex_unlock(&(easycapdc60_dongle[kd].mutex_video));
- JOM(4, "unlocked easycapdc60_dongle[%i].mutex_video\n", kd);
+ if (!peasycap->kref.refcount.counter) {
+ SAM("ERROR: peasycap->kref.refcount.counter is zero "
+ "so cannot call kref_put()\n");
SAM("ending unsuccessfully: may cause memory leak\n");
return;
}
- JOM(4, "locked easycapdc60_dongle[%i].mutex_audio\n", kd);
-}
-JOM(4, "intf[%i]: %i=peasycap->kref.refcount.counter\n",
- bInterfaceNumber, (int)peasycap->kref.refcount.counter);
-kref_put(&peasycap->kref, easycap_delete);
-JOT(4, "intf[%i]: kref_put() done.\n", bInterfaceNumber);
-if (0 <= kd && DONGLE_MANY > kd) {
- mutex_unlock(&(easycapdc60_dongle[kd].mutex_audio));
- JOT(4, "unlocked easycapdc60_dongle[%i].mutex_audio\n", kd);
- mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
- JOT(4, "unlocked easycapdc60_dongle[%i].mutex_video\n", kd);
-}
+ if (0 <= kd && DONGLE_MANY > kd) {
+ JOM(4, "about to lock dongle[%i].mutex_video\n", kd);
+ if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_video)) {
+ SAY("ERROR: cannot lock dongle[%i].mutex_video\n", kd);
+ SAM("ending unsuccessfully: may cause memory leak\n");
+ return;
+ }
+ JOM(4, "locked dongle[%i].mutex_video\n", kd);
+ JOM(4, "about to lock dongle[%i].mutex_audio\n", kd);
+ if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_audio)) {
+ SAY("ERROR: cannot lock dongle[%i].mutex_audio\n", kd);
+ mutex_unlock(&(easycapdc60_dongle[kd].mutex_video));
+ JOM(4, "unlocked dongle[%i].mutex_video\n", kd);
+ SAM("ending unsuccessfully: may cause memory leak\n");
+ return;
+ }
+ JOM(4, "locked dongle[%i].mutex_audio\n", kd);
+ }
+ JOM(4, "intf[%i]: %i=peasycap->kref.refcount.counter\n",
+ bInterfaceNumber, (int)peasycap->kref.refcount.counter);
+ kref_put(&peasycap->kref, easycap_delete);
+ JOT(4, "intf[%i]: kref_put() done.\n", bInterfaceNumber);
+ if (0 <= kd && DONGLE_MANY > kd) {
+ mutex_unlock(&(easycapdc60_dongle[kd].mutex_audio));
+ JOT(4, "unlocked dongle[%i].mutex_audio\n", kd);
+ mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
+ JOT(4, "unlocked dongle[%i].mutex_video\n", kd);
+ }
/*---------------------------------------------------------------------------*/
-JOM(4, "ends\n");
-return;
+ JOM(4, "ends\n");
+ return;
}
/*****************************************************************************/
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff