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lavu/pixfmt: add packed RGBA float16 format

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This is the default format of the Windows compositor and what DXGI
Desktop Duplication will give you for any kind of HDR output.
This commit is contained in:
Timo Rothenpieler 2022-08-07 21:03:59 +02:00
parent 9ca3b8b7cd
commit e95b08a7dd
5 changed files with 49 additions and 1 deletions
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28
libavutil/pixdesc.c
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@ -2504,6 +2504,34 @@ static const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
},
.flags = AV_PIX_FMT_FLAG_ALPHA,
},
[AV_PIX_FMT_RGBAF16BE] = {
.name = "rgbaf16be",
.nb_components = 4,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 8, 0, 0, 16 }, /* R */
{ 0, 8, 2, 0, 16 }, /* G */
{ 0, 8, 4, 0, 16 }, /* B */
{ 0, 8, 6, 0, 16 }, /* A */
},
.flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB |
AV_PIX_FMT_FLAG_ALPHA | AV_PIX_FMT_FLAG_FLOAT,
},
[AV_PIX_FMT_RGBAF16LE] = {
.name = "rgbaf16le",
.nb_components = 4,
.log2_chroma_w = 0,
.log2_chroma_h = 0,
.comp = {
{ 0, 8, 0, 0, 16 }, /* R */
{ 0, 8, 2, 0, 16 }, /* G */
{ 0, 8, 4, 0, 16 }, /* B */
{ 0, 8, 6, 0, 16 }, /* A */
},
.flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_ALPHA |
AV_PIX_FMT_FLAG_FLOAT,
},
};
static const char * const color_range_names[] = {

5
libavutil/pixfmt.h
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@ -369,6 +369,9 @@ enum AVPixelFormat {
AV_PIX_FMT_VUYA, ///< packed VUYA 4:4:4, 32bpp, VUYAVUYA...
AV_PIX_FMT_RGBAF16BE, ///< IEEE-754 half precision packed RGBA 16:16:16:16, 64bpp, RGBARGBA..., big-endian
AV_PIX_FMT_RGBAF16LE, ///< IEEE-754 half precision packed RGBA 16:16:16:16, 64bpp, RGBARGBA..., 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
};
@ -466,6 +469,8 @@ enum AVPixelFormat {
#define AV_PIX_FMT_P216 AV_PIX_FMT_NE(P216BE, P216LE)
#define AV_PIX_FMT_P416 AV_PIX_FMT_NE(P416BE, P416LE)
#define AV_PIX_FMT_RGBAF16 AV_PIX_FMT_NE(RGBAF16BE, RGBAF16LE)
/**
* Chromaticity coordinates of the source primaries.
* These values match the ones defined by ISO/IEC 23091-2_2019 subclause 8.1 and ITU-T H.273.

2
libavutil/version.h
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@ -80,7 +80,7 @@
#define LIBAVUTIL_VERSION_MAJOR 57
#define LIBAVUTIL_VERSION_MINOR 33
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_MICRO 101
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
LIBAVUTIL_VERSION_MINOR, \

2
tests/ref/fate/imgutils
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@ -247,3 +247,5 @@ p216le planes: 2, linesizes: 128 128 0 0, plane_sizes: 6144 6144
p416be planes: 2, linesizes: 128 256 0 0, plane_sizes: 6144 12288 0 0, plane_offsets: 6144 0 0, total_size: 18432
p416le planes: 2, linesizes: 128 256 0 0, plane_sizes: 6144 12288 0 0, plane_offsets: 6144 0 0, total_size: 18432
vuya planes: 1, linesizes: 256 0 0 0, plane_sizes: 12288 0 0 0, plane_offsets: 0 0 0, total_size: 12288
rgbaf16be planes: 1, linesizes: 512 0 0 0, plane_sizes: 24576 0 0 0, plane_offsets: 0 0 0, total_size: 24576
rgbaf16le planes: 1, linesizes: 512 0 0 0, plane_sizes: 24576 0 0 0, plane_offsets: 0 0 0, total_size: 24576

13
tests/ref/fate/sws-pixdesc-query
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@ -21,6 +21,8 @@ is16BPS:
rgb48le
rgba64be
rgba64le
rgbaf16be
rgbaf16le
ya16be
ya16le
yuv420p16be
@ -157,6 +159,7 @@ isBE:
rgb555be
rgb565be
rgba64be
rgbaf16be
x2bgr10be
x2rgb10be
xyz12be
@ -479,6 +482,8 @@ isRGB:
rgb8
rgba64be
rgba64le
rgbaf16be
rgbaf16le
x2bgr10be
x2bgr10le
x2rgb10be
@ -629,6 +634,8 @@ AnyRGB:
rgb8
rgba64be
rgba64le
rgbaf16be
rgbaf16le
x2bgr10be
x2bgr10le
x2rgb10be
@ -655,6 +662,8 @@ ALPHA:
rgb32_1
rgba64be
rgba64le
rgbaf16be
rgbaf16le
vuya
ya16be
ya16le
@ -739,6 +748,8 @@ Packed:
rgb8
rgba64be
rgba64le
rgbaf16be
rgbaf16le
uyvy422
uyyvyy411
vuya
@ -918,6 +929,8 @@ PackedRGB:
rgb8
rgba64be
rgba64le
rgbaf16be
rgbaf16le
x2bgr10be
x2bgr10le
x2rgb10be