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avutil/pixdesc: add AV_PIX_FMT_FLAG_XYZ

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There are already several places in the codebase that match desc->name
against "xyz", and many downstream clients replicate this behavior.
I have no idea why this is not just a flag.

Motivated by my desire to add yet another check for XYZ to the codebase,
and I'd rather not keep copy/pasting a string comparison hack.
This commit is contained in:
Niklas Haas 2023-10-31 15:46:07 +01:00
parent 96dfc4481b
commit 57c16323f2
4 changed files with 12 additions and 4 deletions
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3
doc/APIchanges
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@ -2,6 +2,9 @@ The last version increases of all libraries were on 2023-02-09
API changes, most recent first:
2023-10-31 - xxxxxxxxxx - lavu 58.31.100 - pixdesc.h
Add AV_PIX_FMT_FLAG_XYZ.
-------- 8< --------- FFmpeg 6.1 was cut here -------- 8< ---------
2023-10-27 - xxxxxxxxxx - lavu 58.28.100 - channel_layout.h

6
libavutil/pixdesc.c
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@ -1977,8 +1977,8 @@ static const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
{ 0, 6, 0, 4, 12 }, /* X */
{ 0, 6, 2, 4, 12 }, /* Y */
{ 0, 6, 4, 4, 12 }, /* Z */
},
/*.flags = -- not used*/
},
.flags = AV_PIX_FMT_FLAG_XYZ,
},
[AV_PIX_FMT_XYZ12BE] = {
.name = "xyz12be",
@ -1990,7 +1990,7 @@ static const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
{ 0, 6, 2, 4, 12 }, /* Y */
{ 0, 6, 4, 4, 12 }, /* Z */
},
.flags = AV_PIX_FMT_FLAG_BE,
.flags = AV_PIX_FMT_FLAG_XYZ | AV_PIX_FMT_FLAG_BE,
},
#define BAYER8_DESC_COMMON \

5
libavutil/pixdesc.h
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@ -157,6 +157,11 @@ typedef struct AVPixFmtDescriptor {
*/
#define AV_PIX_FMT_FLAG_FLOAT (1 << 9)
/**
* The pixel format contains XYZ-like data (as opposed to YUV/RGB/grayscale).
*/
#define AV_PIX_FMT_FLAG_XYZ (1 << 10)
/**
* Return the number of bits per pixel used by the pixel format
* described by pixdesc. Note that this is not the same as the number

2
libavutil/version.h
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@ -79,7 +79,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 58
#define LIBAVUTIL_VERSION_MINOR 30
#define LIBAVUTIL_VERSION_MINOR 31
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \