[FFmpeg-cvslog] pixdesc: Add API to map color property names to enum values
Vittorio Giovara
git at videolan.org
Thu Sep 21 14:34:50 EEST 2017
ffmpeg | branch: master | Vittorio Giovara <vittorio.giovara at gmail.com> | Wed Sep 20 13:27:10 2017 +0200| [6f15f1cdc85350b7adcfb7c50eedb5ecde6a384a] | committer: Vittorio Giovara
pixdesc: Add API to map color property names to enum values
Signed-off-by: Vittorio Giovara <vittorio.giovara at gmail.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6f15f1cdc85350b7adcfb7c50eedb5ecde6a384a
---
doc/APIchanges | 5 +++++
libavutil/pixdesc.c | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++++
libavutil/pixdesc.h | 25 +++++++++++++++++++++
libavutil/version.h | 2 +-
4 files changed, 96 insertions(+), 1 deletion(-)
diff --git a/doc/APIchanges b/doc/APIchanges
index c20ab9c988..d06144f1e9 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -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.
diff --git a/libavutil/pixdesc.c b/libavutil/pixdesc.c
index 33aa2d705f..b39afe3758 100644
--- a/libavutil/pixdesc.c
+++ b/libavutil/pixdesc.c
@@ -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);
+}
diff --git a/libavutil/pixdesc.h b/libavutil/pixdesc.h
index b0ec81b81b..fc3737c4ad 100644
--- a/libavutil/pixdesc.h
+++ b/libavutil/pixdesc.h
@@ -251,26 +251,51 @@ 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.
*
* If there is no pixel format with name name, then looks for a
diff --git a/libavutil/version.h b/libavutil/version.h
index d99eff5d15..8ac41f49f5 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -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, \
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