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avutil: add P016 pixel format

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P016 is the 16-bit variant of NV12 (planar luma, packed chroma), using
two bytes per component.

It may, and in fact is most likely to, be used in situations where
there are less than 16 bits of data. It is the responsibility of
the writer to zero out any unused LSBs.
This commit is contained in:
Philip Langdale 2016-11-20 13:55:49 -08:00
parent 5ea8f70623
commit 237421f149
3 changed files with 30 additions and 2 deletions
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24
libavutil/pixdesc.c
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@ -2078,6 +2078,30 @@ static const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
},
.flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_BE,
},
[AV_PIX_FMT_P016LE] = {
.name = "p016le",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.comp = {
{ 0, 2, 0, 0, 16, 1, 15, 1 }, /* Y */
{ 1, 4, 0, 0, 16, 3, 15, 1 }, /* U */
{ 1, 4, 2, 0, 16, 3, 15, 3 }, /* V */
},
.flags = AV_PIX_FMT_FLAG_PLANAR,
},
[AV_PIX_FMT_P016BE] = {
.name = "p016be",
.nb_components = 3,
.log2_chroma_w = 1,
.log2_chroma_h = 1,
.comp = {
{ 0, 2, 0, 0, 16, 1, 15, 1 }, /* Y */
{ 1, 4, 0, 0, 16, 3, 15, 1 }, /* U */
{ 1, 4, 2, 0, 16, 3, 15, 3 }, /* V */
},
.flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_BE,
},
[AV_PIX_FMT_GBRAP12LE] = {
.name = "gbrap12le",
.nb_components = 4,

4
libavutil/pixfmt.h
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@ -311,6 +311,9 @@ enum AVPixelFormat {
AV_PIX_FMT_GRAY10BE, ///< Y , 10bpp, big-endian
AV_PIX_FMT_GRAY10LE, ///< Y , 10bpp, little-endian
AV_PIX_FMT_P016LE, ///< like NV12, with 16bpp per component, little-endian
AV_PIX_FMT_P016BE, ///< like NV12, with 16bpp per component, big-endian
AV_PIX_FMT_NB ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
};
@ -389,6 +392,7 @@ enum AVPixelFormat {
#define AV_PIX_FMT_NV20 AV_PIX_FMT_NE(NV20BE, NV20LE)
#define AV_PIX_FMT_AYUV64 AV_PIX_FMT_NE(AYUV64BE, AYUV64LE)
#define AV_PIX_FMT_P010 AV_PIX_FMT_NE(P010BE, P010LE)
#define AV_PIX_FMT_P016 AV_PIX_FMT_NE(P016BE, P016LE)
/**
* Chromaticity coordinates of the source primaries.

4
libavutil/version.h
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@ -79,8 +79,8 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 55
#define LIBAVUTIL_VERSION_MINOR 40
#define LIBAVUTIL_VERSION_MICRO 101
#define LIBAVUTIL_VERSION_MINOR 41
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
LIBAVUTIL_VERSION_MINOR, \