Add Dash ABR support in nginx #26
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czhou26
reviewed
Apr 25, 2019
czhou26
reviewed
Apr 25, 2019
| @@ -29,9 +29,14 @@ rtmp { | |||
| live on; | |||
| dash on; | |||
| dash_path /var/www/dash; | |||
| dash_fragment 3; | |||
| dash_playlist_length 60; | |||
| dash_fragment 4; | |||
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What's the reason to change "dash_fragment" and "dash_playlist_length" parameters?
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dash_fragment 4; # 4 second is generaly a good choice for live
dash_playlist_length 120; # keep 120s of tail
czhou26
reviewed
Apr 26, 2019
| @@ -225,9 +225,38 @@ ffmpeg -i rtmp://10.67.117.70/live/bbb_sunflower_1080p_30fps_normal -vf scale=25 | |||
| rtmp://nginx/hls/big_buck_bunny_1280x720 -vf scale=854:480 -c:v libx264 -b:v 6M -f flv \ | |||
| rtmp://nginx/hls/big_buck_bunny_854x480 -abr_pipeline | |||
| ``` | |||
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| **Note**: for adaptative streaming(using ffmpeg to trancode in 3 variants, and nginx produce one manifest). | |||
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Change to "For live ABR", mention the limitation that it supports 1:3 only.
Signed-off-by: Zhizhen Tang <zhizhen.tang@intel.com>
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Signed-off-by: Zhizhen Tang zhizhen.tang@intel.com