[media] v4l: Add fourcc definitions for new formats
authorArun Kumar K <arun.kk@samsung.com>
Thu, 4 Oct 2012 01:19:05 +0000 (22:19 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Sat, 6 Oct 2012 01:39:51 +0000 (22:39 -0300)
Add the following new fourcc definitions, for multiplanar YCbCr:
V4L2_PIX_FMT_NV21M, V4L2_PIX_FMT_NV12MT_16X16 and compressed formats:
V4L2_PIX_FMT_H264_MVC, V4L2_PIX_FMT_VP8.

Signed-off-by: Jeongtae Park <jtp.park@samsung.com>
Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Acked-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Documentation/DocBook/media/v4l/pixfmt-nv12m.xml
Documentation/DocBook/media/v4l/pixfmt.xml
include/linux/videodev2.h

index 5274c24d11e0a94ce55a05d166580f5cda50196f..a990b34d911a123f775f20001f9e9629947276b2 100644 (file)
@@ -1,11 +1,13 @@
-    <refentry id="V4L2-PIX-FMT-NV12M">
+    <refentry>
       <refmeta>
-       <refentrytitle>V4L2_PIX_FMT_NV12M ('NM12')</refentrytitle>
+       <refentrytitle>V4L2_PIX_FMT_NV12M ('NM12'), V4L2_PIX_FMT_NV21M ('NM21'), V4L2_PIX_FMT_NV12MT_16X16</refentrytitle>
        &manvol;
       </refmeta>
       <refnamediv>
-       <refname> <constant>V4L2_PIX_FMT_NV12M</constant></refname>
-       <refpurpose>Variation of <constant>V4L2_PIX_FMT_NV12</constant> with planes
+       <refname id="V4L2-PIX-FMT-NV12M"><constant>V4L2_PIX_FMT_NV12M</constant></refname>
+       <refname id="V4L2-PIX-FMT-NV21M"><constant>V4L2_PIX_FMT_NV21M</constant></refname>
+       <refname id="V4L2-PIX-FMT-NV12MT_16X16"><constant>V4L2_PIX_FMT_NV12MT_16X16</constant></refname>
+       <refpurpose>Variation of <constant>V4L2_PIX_FMT_NV12</constant> and <constant>V4L2_PIX_FMT_NV21</constant> with planes
          non contiguous in memory. </refpurpose>
       </refnamediv>
       <refsect1>
@@ -22,7 +24,12 @@ The CbCr plane is the same width, in bytes, as the Y plane (and of the image),
 but is half as tall in pixels. Each CbCr pair belongs to four pixels. For example,
 Cb<subscript>0</subscript>/Cr<subscript>0</subscript> belongs to
 Y'<subscript>00</subscript>, Y'<subscript>01</subscript>,
-Y'<subscript>10</subscript>, Y'<subscript>11</subscript>. </para>
+Y'<subscript>10</subscript>, Y'<subscript>11</subscript>.
+<constant>V4L2_PIX_FMT_NV12MT_16X16</constant> is the tiled version of
+<constant>V4L2_PIX_FMT_NV12M</constant> with 16x16 macroblock tiles. Here pixels
+are arranged in 16x16 2D tiles and tiles are arranged in linear order in memory.
+<constant>V4L2_PIX_FMT_NV21M</constant> is the same as <constant>V4L2_PIX_FMT_NV12M</constant>
+except the Cb and Cr bytes are swapped, the CrCb plane starts with a Cr byte.</para>
 
        <para><constant>V4L2_PIX_FMT_NV12M</constant> is intended to be
 used only in drivers and applications that support the multi-planar API,
index fce143726fd5adb7be0dd3e42f9173a165049809..bf94f417592cac290670f4e65ace3a54fc1eb173 100644 (file)
@@ -758,6 +758,11 @@ extended control <constant>V4L2_CID_MPEG_STREAM_TYPE</constant>, see
                <entry>'AVC1'</entry>
                <entry>H264 video elementary stream without start codes.</entry>
          </row>
+         <row id="V4L2-PIX-FMT-H264-MVC">
+               <entry><constant>V4L2_PIX_FMT_H264_MVC</constant></entry>
+               <entry>'MVC'</entry>
+               <entry>H264 MVC video elementary stream.</entry>
+         </row>
          <row id="V4L2-PIX-FMT-H263">
                <entry><constant>V4L2_PIX_FMT_H263</constant></entry>
                <entry>'H263'</entry>
@@ -793,6 +798,11 @@ extended control <constant>V4L2_CID_MPEG_STREAM_TYPE</constant>, see
                <entry>'VC1L'</entry>
                <entry>VC1, SMPTE 421M Annex L compliant stream.</entry>
          </row>
+         <row id="V4L2-PIX-FMT-VP8">
+               <entry><constant>V4L2_PIX_FMT_VP8</constant></entry>
+               <entry>'VP8'</entry>
+               <entry>VP8 video elementary stream.</entry>
+         </row>
        </tbody>
       </tgroup>
     </table>
index 80977d6ec9bcd96bcc2498cbbeea035ab4d57508..873adbe82988a8415cd25da1b4d7951873e22762 100644 (file)
@@ -366,7 +366,9 @@ struct v4l2_pix_format {
 
 /* two non contiguous planes - one Y, one Cr + Cb interleaved  */
 #define V4L2_PIX_FMT_NV12M   v4l2_fourcc('N', 'M', '1', '2') /* 12  Y/CbCr 4:2:0  */
+#define V4L2_PIX_FMT_NV21M   v4l2_fourcc('N', 'M', '2', '1') /* 21  Y/CrCb 4:2:0  */
 #define V4L2_PIX_FMT_NV12MT  v4l2_fourcc('T', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 64x32 macroblocks */
+#define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 16x16 macroblocks */
 
 /* three non contiguous planes - Y, Cb, Cr */
 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12  YUV420 planar */
@@ -403,6 +405,7 @@ struct v4l2_pix_format {
 #define V4L2_PIX_FMT_MPEG     v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
 #define V4L2_PIX_FMT_H264     v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
+#define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
 #define V4L2_PIX_FMT_H263     v4l2_fourcc('H', '2', '6', '3') /* H263          */
 #define V4L2_PIX_FMT_MPEG1    v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES     */
 #define V4L2_PIX_FMT_MPEG2    v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES     */
@@ -410,6 +413,7 @@ struct v4l2_pix_format {
 #define V4L2_PIX_FMT_XVID     v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid           */
 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
+#define V4L2_PIX_FMT_VP8      v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
 
 /*  Vendor-specific formats   */
 #define V4L2_PIX_FMT_CPIA1    v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */