ffmpeg | branch: master | Hongcheng Zhong <[email protected]> | Fri Mar  
6 11:58:22 2020 +0800| [5c72bb62a97fa6ae407ca55184fc0519e641f727] | committer: 
Steven Liu

avformat/hlsenc: Fix initial setting for start_pts

This patch fixes Bug #8469
If x264 baseline profile is used with other profiles,
start_pts will be initialized to audio stream's first pts,
while the duration is calculated based on video stream's pts.
In this patch the start_pts is initialized with the correct stream's first pts.

Signed-off-by: Hongcheng Zhong <[email protected]>
Reviewed-by: Steven Liu <[email protected]>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5c72bb62a97fa6ae407ca55184fc0519e641f727
---

 libavformat/hlsenc.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
index f6dd894343..19aa2b1208 100644
--- a/libavformat/hlsenc.c
+++ b/libavformat/hlsenc.c
@@ -126,6 +126,7 @@ typedef struct VariantStream {
     int has_video;
     int has_subtitle;
     int new_start;
+    int start_pts_from_audio;
     double dpp;           // duration per packet
     int64_t start_pts;
     int64_t end_pts;
@@ -2274,6 +2275,12 @@ static int hls_write_packet(AVFormatContext *s, AVPacket 
*pkt)
 
     if (vs->start_pts == AV_NOPTS_VALUE) {
         vs->start_pts = pkt->pts;
+        if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
+            vs->start_pts_from_audio = 1;
+    }
+    if (vs->start_pts_from_audio && st->codecpar->codec_type == 
AVMEDIA_TYPE_VIDEO && vs->start_pts > pkt->pts) {
+        vs->start_pts = pkt->pts;
+        vs->start_pts_from_audio = 0;
     }
 
    if (vs->has_video) {

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