[FFmpeg-devel] [PATCH] avformat/dashenc: only write video streams into HLS master playlist

Jian Yang yangjian0911 at gmail.com
Fri Sep 14 10:08:17 EEST 2018


Tool mediastreamvalidator reports error "Variant media_[N].m3u8 is
missing audio group" for audio streams in HLS master playlist. As audio
streams are already listed in audio group, skip them as variant media
streams in master playlist.
---
 libavformat/dashenc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
index 87e31e25fc..45763301db 100644
--- a/libavformat/dashenc.c
+++ b/libavformat/dashenc.c
@@ -911,8 +911,10 @@ static int write_manifest(AVFormatContext *s, int final)
             OutputStream *os = &c->streams[i];
             char *agroup = NULL;
             int stream_bitrate = st->codecpar->bit_rate + os->muxer_overhead;
+            if (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO)
+                continue;
             av_strlcpy(codec_str, os->codec_str, sizeof(codec_str));
-            if ((st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) && max_audio_bitrate) {
+            if (max_audio_bitrate) {
                 agroup = (char *)audio_group;
                 stream_bitrate += max_audio_bitrate;
                 av_strlcat(codec_str, ",", sizeof(codec_str));
-- 
2.18.0



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