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Code Issues Releases Activity

pixdesc: Add API to map color property names to enum values

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Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
This commit is contained in:
Vittorio Giovara 2017-09-20 13:27:10 +02:00
parent bba9c1c6bb
commit 6f15f1cdc8
4 changed files with 96 additions and 1 deletions
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5
doc/APIchanges
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@ -15,6 +15,11 @@ libavutil: 2015-08-28
API changes, most recent first:
2017-xx-xx - xxxxxxx - lavu 55.76.100 / 56.6.0 - pixdesc.h
Add av_color_range_from_name(), av_color_primaries_from_name(),
av_color_transfer_from_name(), av_color_space_from_name(), and
av_chroma_location_from_name().
2017-09-13 - xxxxxxx - lavc 57.106.100 - avcodec.h
Add AV_PKT_FLAG_TRUSTED.

65
libavutil/pixdesc.c
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@ -2749,26 +2749,91 @@ const char *av_color_range_name(enum AVColorRange range)
color_range_names[range] : NULL;
}
int av_color_range_from_name(const char *name)
{
int i;
for (i = 0; i < FF_ARRAY_ELEMS(color_range_names); i++) {
size_t len = strlen(color_range_names[i]);
if (!strncmp(color_range_names[i], name, len))
return i;
}
return AVERROR(EINVAL);
}
const char *av_color_primaries_name(enum AVColorPrimaries primaries)
{
return (unsigned) primaries < AVCOL_PRI_NB ?
color_primaries_names[primaries] : NULL;
}
int av_color_primaries_from_name(const char *name)
{
int i;
for (i = 0; i < FF_ARRAY_ELEMS(color_primaries_names); i++) {
size_t len = strlen(color_primaries_names[i]);
if (!strncmp(color_primaries_names[i], name, len))
return i;
}
return AVERROR(EINVAL);
}
const char *av_color_transfer_name(enum AVColorTransferCharacteristic transfer)
{
return (unsigned) transfer < AVCOL_TRC_NB ?
color_transfer_names[transfer] : NULL;
}
int av_color_transfer_from_name(const char *name)
{
int i;
for (i = 0; i < FF_ARRAY_ELEMS(color_transfer_names); i++) {
size_t len = strlen(color_transfer_names[i]);
if (!strncmp(color_transfer_names[i], name, len))
return i;
}
return AVERROR(EINVAL);
}
const char *av_color_space_name(enum AVColorSpace space)
{
return (unsigned) space < AVCOL_SPC_NB ?
color_space_names[space] : NULL;
}
int av_color_space_from_name(const char *name)
{
int i;
for (i = 0; i < FF_ARRAY_ELEMS(color_space_names); i++) {
size_t len = strlen(color_space_names[i]);
if (!strncmp(color_space_names[i], name, len))
return i;
}
return AVERROR(EINVAL);
}
const char *av_chroma_location_name(enum AVChromaLocation location)
{
return (unsigned) location < AVCHROMA_LOC_NB ?
chroma_location_names[location] : NULL;
}
int av_chroma_location_from_name(const char *name)
{
int i;
for (i = 0; i < FF_ARRAY_ELEMS(chroma_location_names); i++) {
size_t len = strlen(chroma_location_names[i]);
if (!strncmp(chroma_location_names[i], name, len))
return i;
}
return AVERROR(EINVAL);
}

25
libavutil/pixdesc.h
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@ -250,26 +250,51 @@ int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt);
*/
const char *av_color_range_name(enum AVColorRange range);
/**
* @return the AVColorRange value for name or an AVError if not found.
*/
int av_color_range_from_name(const char *name);
/**
* @return the name for provided color primaries or NULL if unknown.
*/
const char *av_color_primaries_name(enum AVColorPrimaries primaries);
/**
* @return the AVColorPrimaries value for name or an AVError if not found.
*/
int av_color_primaries_from_name(const char *name);
/**
* @return the name for provided color transfer or NULL if unknown.
*/
const char *av_color_transfer_name(enum AVColorTransferCharacteristic transfer);
/**
* @return the AVColorTransferCharacteristic value for name or an AVError if not found.
*/
int av_color_transfer_from_name(const char *name);
/**
* @return the name for provided color space or NULL if unknown.
*/
const char *av_color_space_name(enum AVColorSpace space);
/**
* @return the AVColorSpace value for name or an AVError if not found.
*/
int av_color_space_from_name(const char *name);
/**
* @return the name for provided chroma location or NULL if unknown.
*/
const char *av_chroma_location_name(enum AVChromaLocation location);
/**
* @return the AVChromaLocation value for name or an AVError if not found.
*/
int av_chroma_location_from_name(const char *name);
/**
* Return the pixel format corresponding to name.
*

2
libavutil/version.h
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@ -80,7 +80,7 @@
#define LIBAVUTIL_VERSION_MAJOR 55
#define LIBAVUTIL_VERSION_MINOR 75
#define LIBAVUTIL_VERSION_MINOR 76
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \