[FFmpeg-trac] #7868(ffmpeg:new): Master playlist generate points to only one resolution among multiple

FFmpeg trac at avcodec.org
Thu Apr 25 13:40:10 EEST 2019


#7868: Master playlist generate points to only one resolution among multiple
-------------------------------------+-------------------------------------
             Reporter:               |                     Type:  defect
  duttaparthib                       |
               Status:  new          |                 Priority:  important
            Component:  ffmpeg       |                  Version:
             Keywords:  master       |  unspecified
  playlist                           |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 How to reproduce:
 {{{
 ffmpeg -re -i video.mp4 -f hls -master_pl_publish_rate 5 -master_pl_name
 master.m3u8 ^
   -vf scale=w=640:h=-2 -c:a aac -ar 48000 -c:v h264 -profile:v main -crf
 20 -sc_threshold 0 -g 48 -keyint_min 48 -hls_time 4   -b:v 800k -maxrate
 856k -bufsize 1200k -b:a 96k -hls_segment_filename D:\xampp\htdocs
 \streaming-demo\360p_%%03d.ts D:\xampp\htdocs\streaming-demo\360p.m3u8 ^
   -vf scale=w=842:h=-2 -c:a aac -ar 48000 -c:v h264 -profile:v main -crf
 20 -sc_threshold 0 -g 48 -keyint_min 48 -hls_time 4  -b:v 1400k -maxrate
 1498k -bufsize 2100k -b:a 128k -hls_segment_filename D:\xampp\htdocs
 \streaming-demo\480p_%%03d.ts D:\xampp\htdocs\streaming-demo\480p.m3u8 ^
   -vf scale=w=1280:h=-2 -c:a aac -ar 48000 -c:v h264 -profile:v main -crf
 20 -sc_threshold 0 -g 48 -keyint_min 48 -hls_time 4  -b:v 2800k -maxrate
 2996k -bufsize 4200k -b:a 128k -hls_segment_filename D:\xampp\htdocs
 \streaming-demo\720p_%%03d.ts D:\xampp\htdocs\streaming-demo\720p.m3u8 ^
   -vf scale=w=1920:h=-2 -c:a aac -ar 48000 -c:v h264 -profile:v main -crf
 20 -sc_threshold 0 -g 48 -keyint_min 48 -hls_time 4  -b:v 5000k -maxrate
 5350k -bufsize 7500k -b:a 192k -hls_segment_filename D:\xampp\htdocs
 \streaming-demo\1080p_%%03d.ts D:\xampp\htdocs\streaming-demo\1080p.m3u8
 }}}


 It outputs all the segments just fine . And I can stream using individual
 playlists . But my master playlist links only to the 360p resolution
 playlist . What could I be doing wrong ?

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Ticket URL: <https://trac.ffmpeg.org/ticket/7868>
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