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author | Kamil Debski <k.debski@samsung.com> | 2011-07-04 20:25:50 +0400 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-07-28 00:55:39 +0400 |
commit | 4fa64dae8c55ea9d3be4eb5f23ad0c9a60fa6d95 (patch) | |
tree | fff70142edbe08004cd2d1ddb741de56a2004d02 | |
parent | 0f4272188dd1c815d9d7f05d593474a67da76594 (diff) | |
download | linux-4fa64dae8c55ea9d3be4eb5f23ad0c9a60fa6d95.tar.xz |
[media] v4l: add fourcc definitions for compressed formats
Add fourcc definitions and documentation for the following
compressed formats: H264, H264 without start codes,
MPEG1/2/4 ES, XVID, VC1 Annex G and Annex L compliant.
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r-- | Documentation/DocBook/media/v4l/controls.xml | 7 | ||||
-rw-r--r-- | Documentation/DocBook/media/v4l/pixfmt.xml | 47 | ||||
-rw-r--r-- | include/linux/videodev2.h | 17 |
3 files changed, 64 insertions, 7 deletions
diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml index dfed3a8d18a8..e2046754e871 100644 --- a/Documentation/DocBook/media/v4l/controls.xml +++ b/Documentation/DocBook/media/v4l/controls.xml @@ -678,7 +678,8 @@ caption of a Tab page in a GUI, for example.</entry> </row><row><entry spanname="descr">The MPEG-1, -2 or -4 output stream type. One cannot assume anything here. Each hardware MPEG encoder tends to support different subsets of the available MPEG -stream types. The currently defined stream types are:</entry> +stream types. This control is specific to multiplexed MPEG streams. +The currently defined stream types are:</entry> </row> <row> <entrytbl spanname="descr" cols="2"> @@ -808,6 +809,7 @@ frequency. Possible values are:</entry> <entry spanname="id"><constant>V4L2_CID_MPEG_AUDIO_ENCODING</constant> </entry> <entry>enum v4l2_mpeg_audio_encoding</entry> </row><row><entry spanname="descr">MPEG Audio encoding. +This control is specific to multiplexed MPEG streams. Possible values are:</entry> </row> <row> @@ -1258,7 +1260,8 @@ and reproducible audio bitstream. 0 = unmuted, 1 = muted.</entry> <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_ENCODING</constant> </entry> <entry>enum v4l2_mpeg_video_encoding</entry> </row><row><entry spanname="descr">MPEG Video encoding -method. Possible values are:</entry> +method. This control is specific to multiplexed MPEG streams. +Possible values are:</entry> </row> <row> <entrytbl spanname="descr" cols="2"> diff --git a/Documentation/DocBook/media/v4l/pixfmt.xml b/Documentation/DocBook/media/v4l/pixfmt.xml index 389432d780a7..2ff6b7776d7f 100644 --- a/Documentation/DocBook/media/v4l/pixfmt.xml +++ b/Documentation/DocBook/media/v4l/pixfmt.xml @@ -741,10 +741,55 @@ information.</para> <row id="V4L2-PIX-FMT-MPEG"> <entry><constant>V4L2_PIX_FMT_MPEG</constant></entry> <entry>'MPEG'</entry> - <entry>MPEG stream. The actual format is determined by + <entry>MPEG multiplexed stream. The actual format is determined by extended control <constant>V4L2_CID_MPEG_STREAM_TYPE</constant>, see <xref linkend="mpeg-control-id" />.</entry> </row> + <row id="V4L2-PIX-FMT-H264"> + <entry><constant>V4L2_PIX_FMT_H264</constant></entry> + <entry>'H264'</entry> + <entry>H264 video elementary stream with start codes.</entry> + </row> + <row id="V4L2-PIX-FMT-H264-NO-SC"> + <entry><constant>V4L2_PIX_FMT_H264_NO_SC</constant></entry> + <entry>'AVC1'</entry> + <entry>H264 video elementary stream without start codes.</entry> + </row> + <row id="V4L2-PIX-FMT-H263"> + <entry><constant>V4L2_PIX_FMT_H263</constant></entry> + <entry>'H263'</entry> + <entry>H263 video elementary stream.</entry> + </row> + <row id="V4L2-PIX-FMT-MPEG1"> + <entry><constant>V4L2_PIX_FMT_MPEG1</constant></entry> + <entry>'MPG1'</entry> + <entry>MPEG1 video elementary stream.</entry> + </row> + <row id="V4L2-PIX-FMT-MPEG2"> + <entry><constant>V4L2_PIX_FMT_MPEG2</constant></entry> + <entry>'MPG2'</entry> + <entry>MPEG2 video elementary stream.</entry> + </row> + <row id="V4L2-PIX-FMT-MPEG4"> + <entry><constant>V4L2_PIX_FMT_MPEG4</constant></entry> + <entry>'MPG4'</entry> + <entry>MPEG4 video elementary stream.</entry> + </row> + <row id="V4L2-PIX-FMT-XVID"> + <entry><constant>V4L2_PIX_FMT_XVID</constant></entry> + <entry>'XVID'</entry> + <entry>Xvid video elementary stream.</entry> + </row> + <row id="V4L2-PIX-FMT-VC1-ANNEX-G"> + <entry><constant>V4L2_PIX_FMT_VC1_ANNEX_G</constant></entry> + <entry>'VC1G'</entry> + <entry>VC1, SMPTE 421M Annex G compliant stream.</entry> + </row> + <row id="V4L2-PIX-FMT-VC1-ANNEX-L"> + <entry><constant>V4L2_PIX_FMT_VC1_ANNEX_L</constant></entry> + <entry>'VC1L'</entry> + <entry>VC1, SMPTE 421M Annex L compliant stream.</entry> + </row> </tbody> </tgroup> </table> diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 8b1224c1c536..cb22a2c7a467 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -376,7 +376,16 @@ struct v4l2_pix_format { #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ -#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 */ +#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_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 */ +#define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 ES */ +#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 */ /* Vendor-specific formats */ #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ @@ -1154,7 +1163,7 @@ enum v4l2_colorfx { #define V4L2_CID_MPEG_BASE (V4L2_CTRL_CLASS_MPEG | 0x900) #define V4L2_CID_MPEG_CLASS (V4L2_CTRL_CLASS_MPEG | 1) -/* MPEG streams */ +/* MPEG streams, specific to multiplexed streams */ #define V4L2_CID_MPEG_STREAM_TYPE (V4L2_CID_MPEG_BASE+0) enum v4l2_mpeg_stream_type { V4L2_MPEG_STREAM_TYPE_MPEG2_PS = 0, /* MPEG-2 program stream */ @@ -1176,7 +1185,7 @@ enum v4l2_mpeg_stream_vbi_fmt { V4L2_MPEG_STREAM_VBI_FMT_IVTV = 1, /* VBI in private packets, IVTV format */ }; -/* MPEG audio */ +/* MPEG audio controls specific to multiplexed streams */ #define V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ (V4L2_CID_MPEG_BASE+100) enum v4l2_mpeg_audio_sampling_freq { V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100 = 0, @@ -1292,7 +1301,7 @@ enum v4l2_mpeg_audio_ac3_bitrate { V4L2_MPEG_AUDIO_AC3_BITRATE_640K = 18, }; -/* MPEG video */ +/* MPEG video controls specific to multiplexed streams */ #define V4L2_CID_MPEG_VIDEO_ENCODING (V4L2_CID_MPEG_BASE+200) enum v4l2_mpeg_video_encoding { V4L2_MPEG_VIDEO_ENCODING_MPEG_1 = 0, |