From 4d08f670e63200cc092724de8c95f81df606b1a5 Mon Sep 17 00:00:00 2001 From: Arun Kumar K Date: Wed, 3 Oct 2012 22:19:05 -0300 Subject: [PATCH] [media] v4l: Add fourcc definitions for new formats 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 Signed-off-by: Naveen Krishna Chatradhi Signed-off-by: Arun Kumar K Acked-by: Kamil Debski Signed-off-by: Sylwester Nawrocki Signed-off-by: Mauro Carvalho Chehab --- .../DocBook/media/v4l/pixfmt-nv12m.xml | 17 ++++++++++++----- Documentation/DocBook/media/v4l/pixfmt.xml | 10 ++++++++++ include/linux/videodev2.h | 4 ++++ 3 files changed, 26 insertions(+), 5 deletions(-) diff --git a/Documentation/DocBook/media/v4l/pixfmt-nv12m.xml b/Documentation/DocBook/media/v4l/pixfmt-nv12m.xml index 5274c24d11e0..a990b34d911a 100644 --- a/Documentation/DocBook/media/v4l/pixfmt-nv12m.xml +++ b/Documentation/DocBook/media/v4l/pixfmt-nv12m.xml @@ -1,11 +1,13 @@ - + - V4L2_PIX_FMT_NV12M ('NM12') + V4L2_PIX_FMT_NV12M ('NM12'), V4L2_PIX_FMT_NV21M ('NM21'), V4L2_PIX_FMT_NV12MT_16X16 &manvol; - V4L2_PIX_FMT_NV12M - Variation of V4L2_PIX_FMT_NV12 with planes + V4L2_PIX_FMT_NV12M + V4L2_PIX_FMT_NV21M + V4L2_PIX_FMT_NV12MT_16X16 + Variation of V4L2_PIX_FMT_NV12 and V4L2_PIX_FMT_NV21 with planes non contiguous in memory. @@ -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, Cb0/Cr0 belongs to Y'00, Y'01, -Y'10, Y'11. +Y'10, Y'11. +V4L2_PIX_FMT_NV12MT_16X16 is the tiled version of +V4L2_PIX_FMT_NV12M with 16x16 macroblock tiles. Here pixels +are arranged in 16x16 2D tiles and tiles are arranged in linear order in memory. +V4L2_PIX_FMT_NV21M is the same as V4L2_PIX_FMT_NV12M +except the Cb and Cr bytes are swapped, the CrCb plane starts with a Cr byte. V4L2_PIX_FMT_NV12M is intended to be used only in drivers and applications that support the multi-planar API, diff --git a/Documentation/DocBook/media/v4l/pixfmt.xml b/Documentation/DocBook/media/v4l/pixfmt.xml index fce143726fd5..bf94f417592c 100644 --- a/Documentation/DocBook/media/v4l/pixfmt.xml +++ b/Documentation/DocBook/media/v4l/pixfmt.xml @@ -758,6 +758,11 @@ extended control V4L2_CID_MPEG_STREAM_TYPE, see 'AVC1' H264 video elementary stream without start codes. + + V4L2_PIX_FMT_H264_MVC + 'MVC' + H264 MVC video elementary stream. + V4L2_PIX_FMT_H263 'H263' @@ -793,6 +798,11 @@ extended control V4L2_CID_MPEG_STREAM_TYPE, see 'VC1L' VC1, SMPTE 421M Annex L compliant stream. + + V4L2_PIX_FMT_VP8 + 'VP8' + VP8 video elementary stream. + diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 80977d6ec9bc..873adbe82988 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -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 */