[FFmpeg-devel] [PATCH v2 2/4] avformat/rtpdec_rfc4175: add support for TCS

lance.lmwang at gmail.com lance.lmwang at gmail.com
Mon Oct 11 19:23:10 EEST 2021


From: Limin Wang <lance.lmwang at gmail.com>

Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
---
 libavformat/rtpdec_rfc4175.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/libavformat/rtpdec_rfc4175.c b/libavformat/rtpdec_rfc4175.c
index 060f725..d45530e 100644
--- a/libavformat/rtpdec_rfc4175.c
+++ b/libavformat/rtpdec_rfc4175.c
@@ -94,6 +94,19 @@ static int rfc4175_parse_fmtp(AVFormatContext *s, AVStream *stream,
     else if (!strncmp(attr, "exactframerate", 14)) {
         if (av_parse_video_rate(&data->framerate, value) < 0)
             return AVERROR(EINVAL);
+    } else if (!strncmp(attr, "TCS", 3)) {
+        if (!strncmp(value, "SDR", 3))
+            stream->codecpar->color_trc = AVCOL_TRC_BT709;
+        else if (!strncmp(value, "PQ", 2))
+            stream->codecpar->color_trc = AVCOL_TRC_SMPTE2084;
+        else if (!strncmp(value, "HLG", 3))
+            stream->codecpar->color_trc = AVCOL_TRC_ARIB_STD_B67;
+        else if (!strncmp(value, "LINEAR", 6))
+            stream->codecpar->color_trc = AVCOL_TRC_LINEAR;
+        else if (!strncmp(value, "ST428-1", 7))
+            stream->codecpar->color_trc = AVCOL_TRC_SMPTEST428_1;
+        else
+            stream->codecpar->color_trc = AVCOL_TRC_UNSPECIFIED;
     }
 
     return 0;
-- 
1.8.3.1



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