From 8c252050146fc6f54e9bf5ef8276b25f3dd67a1c Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Thu, 4 Dec 2008 05:06:08 -0300 Subject: [PATCH] V4L/DVB (9861): gspca - ov534: Accept many simultaneous webcams. This patch moves the last fid and pts from static to the sd structure. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/ov534.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/media/video/gspca/ov534.c b/drivers/media/video/gspca/ov534.c index e02c8f70f814..28a7982792b3 100644 --- a/drivers/media/video/gspca/ov534.c +++ b/drivers/media/video/gspca/ov534.c @@ -48,6 +48,8 @@ static int frame_rate; /* specific webcam descriptor */ struct sd { struct gspca_dev gspca_dev; /* !! must be the first item */ + __u32 last_fid; + __u32 last_pts; }; /* V4L2 controls supported by the driver */ @@ -397,9 +399,8 @@ static void sd_stopN(struct gspca_dev *gspca_dev) static void sd_pkt_scan(struct gspca_dev *gspca_dev, struct gspca_frame *frame, __u8 *data, int len) { - static __u32 last_pts; + struct sd *sd = (struct sd *) gspca_dev; __u32 this_pts; - static int last_fid; int this_fid; /* Payloads are prefixed with a the UVC-style header. We @@ -428,10 +429,10 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, struct gspca_frame *frame, this_fid = (data[1] & UVC_STREAM_FID) ? 1 : 0; /* If PTS or FID has changed, start a new frame. */ - if (this_pts != last_pts || this_fid != last_fid) { + if (this_pts != sd->last_pts || this_fid != sd->last_fid) { gspca_frame_add(gspca_dev, FIRST_PACKET, frame, NULL, 0); - last_pts = this_pts; - last_fid = this_fid; + sd->last_pts = this_pts; + sd->last_fid = this_fid; } /* Add the data from this payload */ @@ -440,7 +441,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, struct gspca_frame *frame, /* If this packet is marked as EOF, end the frame */ if (data[1] & UVC_STREAM_EOF) { - last_pts = 0; + sd->last_pts = 0; if ((frame->data_end - frame->data) != (gspca_dev->width * gspca_dev->height * 2)) { -- 2.20.1