[FFmpeg-devel] [PATCH] flvenc: Fix sequence header update timestamps

[Alex Converse]

From: Alex Converse <alexc...@twitch.tv>

---
 libavformat/flvenc.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/libavformat/flvenc.c b/libavformat/flvenc.c
index e8af48cb64..827d798a61 100644
--- a/libavformat/flvenc.c
+++ b/libavformat/flvenc.c
@@ -480,7 +480,7 @@ static int unsupported_codec(AVFormatContext *s,
     return AVERROR(ENOSYS);
 }
 
-static void flv_write_codec_header(AVFormatContext* s, AVCodecParameters* par) 
{
+static void flv_write_codec_header(AVFormatContext* s, AVCodecParameters* par, 
unsigned int ts) {
     int64_t data_size;
     AVIOContext *pb = s->pb;
     FLVContext *flv = s->priv_data;
@@ -492,8 +492,8 @@ static void flv_write_codec_header(AVFormatContext* s, 
AVCodecParameters* par) {
                 par->codec_type == AVMEDIA_TYPE_VIDEO ?
                         FLV_TAG_TYPE_VIDEO : FLV_TAG_TYPE_AUDIO);
         avio_wb24(pb, 0); // size patched later
-        avio_wb24(pb, 0); // ts
-        avio_w8(pb, 0);   // ts ext
+        avio_wb24(pb, ts & 0xFFFFFF);
+        avio_w8(pb, (ts >> 24) & 0x7F);
         avio_wb24(pb, 0); // streamid
         pos = avio_tell(pb);
         if (par->codec_id == AV_CODEC_ID_AAC) {
@@ -756,7 +756,7 @@ static int flv_write_header(AVFormatContext *s)
     }
 
     for (i = 0; i < s->nb_streams; i++) {
-        flv_write_codec_header(s, s->streams[i]->codecpar);
+        flv_write_codec_header(s, s->streams[i]->codecpar, 0);
     }
 
     flv->datastart_offset = avio_tell(pb);
@@ -900,7 +900,7 @@ static int flv_write_packet(AVFormatContext *s, AVPacket 
*pkt)
             }
             memcpy(par->extradata, side, side_size);
             par->extradata_size = side_size;
-            flv_write_codec_header(s, par);
+            flv_write_codec_header(s, par, pkt->dts);
         }
     }
 
-- 
2.17.0

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