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avutil: add AV_PIX_FMT_YA16 pixel format

This commit is contained in:
Vittorio Giovara 2014-07-29 14:06:22 +01:00
parent e96c3b81ca
commit e9abafca27
4 changed files with 29 additions and 2 deletions
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3
doc/APIchanges
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@ -13,6 +13,9 @@ libavutil: 2013-12-xx
API changes, most recent first:
2014-08-xx - xxxxxxx - lavu 53.22.0 - pixfmt.h
Add AV_PIX_FMT_YA16 pixel format for 16 bit packed gray with alpha.
2014-08-xx - xxxxxxx - lavu 53.21.1 - avstring.h
Rename AV_PIX_FMT_Y400A to AV_PIX_FMT_YA8 to better identify the format.
An alias pixel format and color space name are provided for compatibility.

19
libavutil/pixdesc.c
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@ -1349,6 +1349,24 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
.flags = AV_PIX_FMT_FLAG_ALPHA,
.alias = "gray8a",
},
[AV_PIX_FMT_YA16LE] = {
.name = "ya16le",
.nb_components = 2,
.comp = {
{ 0, 3, 1, 0, 15 }, /* Y */
{ 0, 3, 3, 0, 15 }, /* A */
},
.flags = AV_PIX_FMT_FLAG_ALPHA,
},
[AV_PIX_FMT_YA16BE] = {
.name = "ya16be",
.nb_components = 2,
.comp = {
{ 0, 3, 1, 0, 15 }, /* Y */
{ 0, 3, 3, 0, 15 }, /* A */
},
.flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_ALPHA,
},
[AV_PIX_FMT_GBRP] = {
.name = "gbrp",
.nb_components = 3,
@ -1640,6 +1658,7 @@ enum AVPixelFormat av_pix_fmt_swap_endianness(enum AVPixelFormat pix_fmt)
switch (pix_fmt) {
PIX_FMT_SWAP_ENDIANNESS(GRAY16);
PIX_FMT_SWAP_ENDIANNESS(YA16);
PIX_FMT_SWAP_ENDIANNESS(RGB48);
PIX_FMT_SWAP_ENDIANNESS(RGB565);
PIX_FMT_SWAP_ENDIANNESS(RGB555);

5
libavutil/pixfmt.h
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@ -202,6 +202,10 @@ enum AVPixelFormat {
AV_PIX_FMT_YVYU422, ///< packed YUV 4:2:2, 16bpp, Y0 Cr Y1 Cb
AV_PIX_FMT_VDA, ///< HW acceleration through VDA, data[3] contains a CVPixelBufferRef
AV_PIX_FMT_YA16BE, ///< 16bit gray, 16bit alpha (big-endian)
AV_PIX_FMT_YA16LE, ///< 16bit gray, 16bit alpha (little-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
#if FF_API_PIX_FMT
@ -221,6 +225,7 @@ enum AVPixelFormat {
#define AV_PIX_FMT_BGR32_1 AV_PIX_FMT_NE(BGRA, ARGB)
#define AV_PIX_FMT_GRAY16 AV_PIX_FMT_NE(GRAY16BE, GRAY16LE)
#define AV_PIX_FMT_YA16 AV_PIX_FMT_NE(YA16BE, YA16LE)
#define AV_PIX_FMT_RGB48 AV_PIX_FMT_NE(RGB48BE, RGB48LE)
#define AV_PIX_FMT_RGB565 AV_PIX_FMT_NE(RGB565BE, RGB565LE)
#define AV_PIX_FMT_RGB555 AV_PIX_FMT_NE(RGB555BE, RGB555LE)

4
libavutil/version.h
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@ -54,8 +54,8 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 53
#define LIBAVUTIL_VERSION_MINOR 21
#define LIBAVUTIL_VERSION_MICRO 1
#define LIBAVUTIL_VERSION_MINOR 22
#define LIBAVUTIL_VERSION_MICRO 0
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
LIBAVUTIL_VERSION_MINOR, \