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pixdesc: add limited|full aliases for -color_range parameter 

Aliases are also used in scale and zscale filters.

Tested:
```
$ ./ffmpeg -hide_banner -y -i ~/src/media/images/y4m/lena.490x490.y4m  -pix_fmt yuv420p -color_range unknown /tmp/unknown.y4m
...
$ md5sum /tmp/unknown.y4m
69aa7bf52bbd72444268a544c81d7643  /tmp/unknown.y4m

$ ./ffmpeg -hide_banner -y -i ~/src/media/images/y4m/lena.490x490.y4m  -pix_fmt yuv420p -color_range tv /tmp/tv.y4m
...
$ md5sum /tmp/tv.y4m
5c1c8759708ff6b25dd8a660da5200e7  /tmp/tv.y4m

$ ./ffmpeg -hide_banner -y -i ~/src/media/images/y4m/lena.490x490.y4m  -pix_fmt yuv420p -color_range pc /tmp/pc.y4m
...
$ md5sum /tmp/pc.y4m
1ccb85d14a3dfecb22e625711587ba97  /tmp/pc.y4m

$ ./ffmpeg -hide_banner -y -i ~/src/media/images/y4m/lena.490x490.y4m  -pix_fmt yuv420p -color_range limited /tmp/limited.y4m
...
$ md5sum /tmp/limited.y4m
5c1c8759708ff6b25dd8a660da5200e7  /tmp/limited.y4m

$ ./ffmpeg -hide_banner -y -i ~/src/media/images/y4m/lena.490x490.y4m  -pix_fmt yuv420p -color_range full /tmp/full.y4m
...
$ md5sum /tmp/full.y4m
1ccb85d14a3dfecb22e625711587ba97  /tmp/full.y4m
```

Also ran fate.
```
$ make fate -j
...
TEST    ffprobe_xsd
TEST    flv-add_keyframe_index
```
This commit is contained in:
Chema Gonzalez 2023-03-31 08:49:56 -07:00 committed by Niklas Haas
parent c0f89dccc8
commit 984d0b6e6f
2 changed files with 4 additions and 0 deletions
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2
doc/codecs.texi
View File

@ -889,9 +889,11 @@ Possible values:
@table @samp
@item tv
@item mpeg
@item limited
MPEG (219*2^(n-8))
@item pc
@item jpeg
@item full
JPEG (2^n-1)
@end table

2
libavcodec/options_table.h
View File

@ -350,6 +350,8 @@ static const AVOption avcodec_options[] = {
{"unspecified", "Unspecified", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_UNSPECIFIED }, INT_MIN, INT_MAX, V|E|D, "color_range_type"},
{"mpeg", "MPEG (219*2^(n-8))", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_MPEG }, INT_MIN, INT_MAX, V|E|D, "color_range_type"},
{"jpeg", "JPEG (2^n-1)", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_JPEG }, INT_MIN, INT_MAX, V|E|D, "color_range_type"},
{"limited", "MPEG (219*2^(n-8))", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_MPEG }, INT_MIN, INT_MAX, V|E|D, "color_range_type"},
{"full", "JPEG (2^n-1)", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_JPEG }, INT_MIN, INT_MAX, V|E|D, "color_range_type"},
{"chroma_sample_location", "chroma sample location", OFFSET(chroma_sample_location), AV_OPT_TYPE_INT, {.i64 = AVCHROMA_LOC_UNSPECIFIED }, 0, INT_MAX, V|E|D, "chroma_sample_location_type"},
{"unknown", "Unspecified", 0, AV_OPT_TYPE_CONST, {.i64 = AVCHROMA_LOC_UNSPECIFIED }, INT_MIN, INT_MAX, V|E|D, "chroma_sample_location_type"},
{"left", "Left", 0, AV_OPT_TYPE_CONST, {.i64 = AVCHROMA_LOC_LEFT }, INT_MIN, INT_MAX, V|E|D, "chroma_sample_location_type"},