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| author | Vishwanath Dixit <vdixit@akamai.com> | 2017-12-23 08:42:00 +0300 |
|---|---|---|
| committer | Steven Liu <lq@chinaffmpeg.org> | 2017-12-23 08:42:00 +0300 |
| commit | d02289c386ecf1c07f2441674c550008cb869d50 (patch) | |
| tree | 30d85058034f7fb02485e6bc7e7509f187c07db3 /doc/muxers.texi | |
| parent | 4c78bbd3136a43347a112dd45ac60685c61bf425 (diff) | |
avformat/hlsenc:addition of #EXT-X-MEDIA tag and AUDIO attribute
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
Diffstat (limited to 'doc/muxers.texi')
| -rw-r--r-- | doc/muxers.texi | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/muxers.texi b/doc/muxers.texi index 3d0c7bfbd3..93db549265 100644 --- a/doc/muxers.texi +++ b/doc/muxers.texi @@ -834,6 +834,18 @@ be a video only stream with video bitrate 1000k, the second variant stream will be an audio only stream with bitrate 64k and the third variant stream will be a video only stream with bitrate 256k. Here, three media playlist with file names out_1.m3u8, out_2.m3u8 and out_3.m3u8 will be created. +@example +ffmpeg -re -i in.ts -b:a:0 32k -b:a:1 64k -b:v:0 1000k -b:v:1 3000k \ + -map 0:a -map 0:a -map 0:v -map 0:v -f hls \ + -var_stream_map "a:0,agroup:aud_low a:1,agroup:aud_high v:0,agroup:aud_low v:1,agroup:aud_high" \ + -master_pl_name master.m3u8 \ + http://example.com/live/out.m3u8 +@end example +This example creates two audio only and two video only variant streams. In +addition to the #EXT-X-STREAM-INF tag for each variant stream in the master +playlist, #EXT-X-MEDIA tag is also added for the two audio only variant streams +and they are mapped to the two video only variant streams with audio group names +'aud_low' and 'aud_high'. By default, a single hls variant containing all the encoded streams is created. |