The sRGB color space uses RGB matrix (i.e. identity), BT.709 primaries,
and the ISO/IEC 61966-2-1 transfer function (unique to sRGB). This set
of tags is very common, so printing it as "sRGB" instead of the current
form "gbr/bt709/iec61966-2-1" is preferable.
Signed-off-by: <leo.i...@gmail.com>
---
libavcodec/avcodec.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libavcodec/avcodec.c b/libavcodec/avcodec.c
index db8226f9b3..8132c76aad 100644
--- a/libavcodec/avcodec.c
+++ b/libavcodec/avcodec.c
@@ -571,7 +571,11 @@ void avcodec_string(char *buf, int buf_size,
AVCodecContext *enc, int encode)
const char *col =
unknown_if_null(av_color_space_name(enc->colorspace));
const char *pri =
unknown_if_null(av_color_primaries_name(enc->color_primaries));
const char *trc =
unknown_if_null(av_color_transfer_name(enc->color_trc));
- if (strcmp(col, pri) || strcmp(col, trc)) {
+ if (enc->colorspace == AVCOL_SPC_RGB &&
+ enc->color_primaries == AVCOL_PRI_BT709 &&
+ enc->color_trc == AVCOL_TRC_IEC61966_2_1) {
+ av_bprintf(&bprint, "sRGB, ");
+ } else if (strcmp(col, pri) || strcmp(col, trc)) {
new_line = 1;
av_bprintf(&bprint, "%s/%s/%s, ", col, pri, trc);
} else
--
2.41.0
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