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  • ffmpeg-mp4box-mpeg dash plays only few segments

    30 octobre 2015, par Idris

    Need help in debugging the segment dash files

    The input was an MP4 with these details. This was recorded from a video camera, the output from the camera was mkv and we converted into MP4 after editing the audio via adobe

    • Size : 7.51 GB Frame rate : 25 frames/ second
    • Data rate : 25326kbps
    • Total bitrate : 25525kbps

    Converted this to another mp4 with this command

    ffmpeg -i "input.mp4" -s 1280x720 -c:v libx264 -b:v 750k -bf 2 -g 75 -sc_threshold 0 -an video_1280x720_750k.mp4
    

    
ffmpeg -i "input.mp4"  -c:a aac -strict experimental -b:a 96k -ar 32000 -vn audio_96k.mp4

    The output video has

    • fps : 25
    • Data rate : 761kbps
    • bitrate : 761kbps

    Then, created the segmented dash through MP4Box

    MP4Box -dash 10000 -frag 10000 -rap -segment-name video_0_1280000\segment_ video_1280x720_750k.mp4
    

    
MP4Box -dash 3000 -frag 10000 -rap -segment-name audio_0_96000\segment_ audio_96k.mp4

    The MPD generated was validated online and its perfect

    UPDATE ! Included the MPD file

    <?xml version="1.0"?>
    

    
<mpd xmlns="urn:mpeg:dash:schema:mpd:2011" minbuffertime="PT1.500S" type="static" mediapresentationduration="PT0H2M0.000S" maxsegmentduration="PT0H0M10.000S" profiles="urn:mpeg:dash:profile:full:2011">
    
 <programinformation moreinformationurl="http://gpac.sourceforge.net">
    
  
    
 </programinformation>
    

    
 <period duration="PT0H2M0.000S">
    
   <adaptationset segmentalignment="true" lang="eng">
    
     <representation mimetype="audio/mp4" codecs="mp4a.40.2" audiosamplingrate="32000" startwithsap="1" bandwidth="98434">
    
       <audiochannelconfiguration schemeiduri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"></audiochannelconfiguration>
    
       <segmentlist timescale="32000" duration="319999">
    
         <initialization sourceurl="audio_0_96000/segment_init.mp4"></initialization>
    
         <segmenturl media="audio_0_96000/segment_1.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_2.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_3.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_4.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_5.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_6.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_7.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_8.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_9.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_10.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_11.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_12.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_13.m4s"></segmenturl>
    
       </segmentlist>
    
     </representation>
    
   </adaptationset>
    
  <adaptationset segmentalignment="true" maxwidth="1280" maxheight="720" maxframerate="25" par="16:9" lang="eng">
    
   <representation mimetype="video/mp4" codecs="avc3.64001f" width="1280" height="720" framerate="25" sar="1:1" startwithsap="1" bandwidth="764668">
    
    <segmentlist timescale="12800" duration="125866">
    
     <initialization sourceurl="video_0_1280000/segment_init.mp4"></initialization>
    
     <segmenturl media="video_0_1280000/segment_1.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_2.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_3.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_4.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_5.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_6.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_7.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_8.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_9.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_10.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_11.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_12.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_13.m4s"></segmenturl>
    
    </segmentlist>
    
   </representation>
    
  </adaptationset>
    

    
 </period>
    
</mpd>

    Played the video through dashjs.. I believe it just plays the initial segment and errors out as MEDIA_ERR_DECODE..MEDIA_ERR_SRC_NOT_SUPPORTED.. or some message which says start not found..

    Through chrome debugging I see that atleast 4 segments are correctly loading.. I am not sure whats going on..

    Any help in debugging the issue is really appreciated. I really can’t understand if this is a problem with the file or ffmpeg or mp4box or chrome.

    Output from chrome debugging tool

    [dash.js 1.5.1] new MediaPlayer instance has been created 
    
dash.all.js:11 Playback initiated! 
    
dash.all.js:11 Parsing complete: ( xml2json: 5ms, objectiron: 10ms, total: 0.015s) 
    
dash.all.js:11 Manifest has been refreshed at Mon Oct 26 2015 10:19:22 GMT-0400 (Eastern Daylight Time)[1445869162092]  
    
dash.all.js:11 SegmentTimeline detected using calculated Live Edge Time 
    
dash.all.js:11 MediaSource is open! 
    
dash.all.js:11 [object Event] 
    
dash.all.js:11 Duration successfully set to: 120 
    
dash.all.js:11 Added 0 inline events 
    
dash.all.js:11 video codec: video/mp4;codecs="avc3.64001f" 
    
dash.all.js:11 [video] stop 
    
dash.all.js:11 audio codec: audio/mp4;codecs="mp4a.40.2" 
    
dash.all.js:11 [audio] stop 
    
dash.all.js:11 No text data. 
    
dash.all.js:11 No fragmentedText data. 
    
dash.all.js:11 No muxed data. 
    
dash.all.js:11 [video] start 
    
dash.all.js:11 [video] Getting the request for time: 0 
    
dash.all.js:11 [video] Index for time 0 is 0 
    
dash.all.js:11 [video] SegmentList: 0 / 120 
    
dash.all.js:11 [audio] start 
    
dash.all.js:11 [audio] Getting the request for time: 0 
    
dash.all.js:11 [audio] Index for time 0 is 0 
    
dash.all.js:11 [audio] SegmentList: 0 / 120 
    
dash.all.js:11 [video] Getting the request for time: 9.83328125 
    
dash.all.js:11 [video] Index for time 9.83328125 is 0 
    
dash.all.js:11 [video] SegmentList: 0 / 120 
    
dash.all.js:11 [video] SegmentList: 9.83328125 / 120 
    
dash.all.js:11 [audio] Getting the request for time: 9.99996875 
    
dash.all.js:11 [audio] Index for time 9.99996875 is 0 
    
dash.all.js:11 [audio] SegmentList: 0 / 120 
    
dash.all.js:11 [audio] SegmentList: 9.99996875 / 120 
    
dash.all.js:11 loaded audio:Media Segment:0 (200, 20ms, 6ms) 
    
dash.all.js:11 loaded video:Media Segment:0 (200, 153ms, 43ms) 
    
dash.all.js:11 loaded video:Initialization Segment:NaN (200, 0ms, 32ms) 
    
dash.all.js:11 [video] Initialization finished loading 
    
dash.all.js:11 loaded audio:Initialization Segment:NaN (200, 0ms, 34ms) 
    
dash.all.js:11 [audio] Initialization finished loading 
    
dash.all.js:11 [video] Getting the request for time: 19.6665625 
    
dash.all.js:11 [video] Index for time 19.6665625 is 1 
    
dash.all.js:11 [video] SegmentList: 9.83328125 / 120 
    
dash.all.js:11 [video] SegmentList: 19.6665625 / 120 
    
dash.all.js:11 [audio] Getting the request for time: 19.9999375 
    
dash.all.js:11 [audio] Index for time 19.9999375 is 1 
    
dash.all.js:11 [audio] SegmentList: 9.99996875 / 120 
    
dash.all.js:11 [audio] SegmentList: 19.9999375 / 120 
    
dash.all.js:11 [video] Stalling Buffer 
    
dash.all.js:11 [video] Waiting for more buffer before starting playback. 
    
dash.all.js:11 [video] Getting the request for time: 0 
    
dash.all.js:11 [video] Index for time 0 is 0 
    
dash.all.js:11 [audio] Stalling Buffer 
    
dash.all.js:11 [audio] Waiting for more buffer before starting playback. 
    
dash.all.js:11 [audio] Getting the request for time: 0 
    
dash.all.js:11 [audio] Index for time 0 is 0 
    
dash.all.js:11 <video> loadedmetadata 
    
dash.all.js:11 Starting playback at offset: 0 
    
dash.all.js:11 [video] Getting the request for time: 29.499843750000004 
    
dash.all.js:11 [video] Index for time 29.499843750000004 is 2 
    
dash.all.js:11 [video] SegmentList: 19.6665625 / 120 
    
dash.all.js:11 [video] SegmentList: 29.499843750000004 / 120 
    
dash.all.js:11 [video] Got enough buffer to start. 
    
dash.all.js:11 [video] seek: 0 
    
dash.all.js:11 [audio] Getting the request for time: 29.999906250000002 
    
dash.all.js:11 [audio] Index for time 29.999906250000002 is 2 
    
dash.all.js:11 [audio] SegmentList: 19.9999375 / 120 
    
dash.all.js:11 [audio] SegmentList: 29.999906250000002 / 120 
    
dash.all.js:11 [audio] Got enough buffer to start. 
    
dash.all.js:11 [audio] seek: 0 
    
dash.all.js:11 loaded audio:Media Segment:9.99996875 (200, 67ms, 24ms) 
    
dash.all.js:11 loaded video:Media Segment:9.83328125 (200, 71ms, 31ms) 
    
dash.all.js:11 [audio] Buffered Range: 0.032 - 9.984 
    
dash.all.js:11 [audio] Getting the request for time: 0 
    
dash.all.js:11 [audio] Index for time 0 is 0 
    
dash.all.js:11 Start Event Controller 
    
dash.all.js:11 [audio] Buffered Range: 0.032 - 19.999968 
    
dash.all.js:11 [audio] Getting the request for time: 0 
    
dash.all.js:11 [audio] Index for time 0 is 0 
    
dash.all.js:11 <video> play 
    
dash.all.js:11 [video] start 
    
dash.all.js:11 [video] Getting the request for time: 0 
    
dash.all.js:11 [video] Index for time 0 is 0 
    
dash.all.js:11 [video] SegmentList: 0 / 120 
    
dash.all.js:11 [video] SegmentList: 9.83328125 / 120 
    
dash.all.js:11 [video] SegmentList: 19.6665625 / 120 
    
dash.all.js:11 [audio] start 
    
dash.all.js:11 <video> playing 
    
dash.all.js:11 [video] Buffered Range: 0 - 9 
    
dash.all.js:11 [video] Getting the request for time: 0 
    
dash.all.js:11 [video] Index for time 0 is 0 
    
dash.all.js:11 Do seek: 0.032 
    
dash.all.js:11 <video> seek 
    
dash.all.js:11 [video] Getting the request for time: 29.499843750000004 
    
dash.all.js:11 [video] Index for time 29.499843750000004 is 2 
    
dash.all.js:11 [video] SegmentList: 19.6665625 / 120 
    
dash.all.js:11 [video] SegmentList: 29.499843750000004 / 120 
    
dash.all.js:11 [video] seek: 0.032 
    
dash.all.js:11 [audio] seek: 0.032 
    
dash.all.js:11 [video] Getting the request for time: 9 
    
dash.all.js:11 [video] Index for time 9 is 0 
    
dash.all.js:11 [video] SegmentList: 0 / 120 
    
dash.all.js:11 [video] SegmentList: 9.83328125 / 120 
    
dash.all.js:11 [video] SegmentList: 19.6665625 / 120 
    
dash.all.js:11 [video] SegmentList: 29.499843750000004 / 120 
    
dash.all.js:11 [video] Buffered Range: 0 - 18 
    
dash.all.js:11 [video] Getting the request for time: 0 
    
dash.all.js:11 [video] Index for time 0 is 0 
    
dash.all.js:11 loaded video:Media Segment:19.6665625 (200, 42ms, 33ms) 
    
dash.all.js:11 <video> seeked 
    
dash.all.js:11 Start Event Controller 
    
dash.all.js:11 <video> playing 
    
dash.all.js:11 [video] Buffered Range: 0 - 28 
    
dash.all.js:11 [video] Getting the request for time: 0 
    
dash.all.js:11 [video] Index for time 0 is 0 
    
dash.all.js:11 [audio] Getting the request for time: 19.999968 
    
dash.all.js:11 [audio] Index for time 19.999968 is 1 
    
dash.all.js:11 [audio] SegmentList: 9.99996875 / 120 
    
dash.all.js:11 [audio] SegmentList: 19.9999375 / 120 
    
dash.all.js:11 [audio] Getting the request for time: 29.999906250000002 
    
dash.all.js:11 [audio] Index for time 29.999906250000002 is 2 
    
dash.all.js:11 [audio] SegmentList: 19.9999375 / 120 
    
dash.all.js:11 [audio] SegmentList: 29.999906250000002 / 120 
    
dash.all.js:11 loaded audio:Media Segment:19.9999375 (200, 102ms, 2ms) 
    
dash.all.js:11 [audio] Buffered Range: 0.032 - 29.983968 
    
dash.all.js:11 [audio] Getting the request for time: 0 
    
dash.all.js:11 [audio] Index for time 0 is 0 
    
dash.all.js:11 loaded audio:Media Segment:29.999906250000002 (200, 26ms, 2ms) 
    
dash.all.js:11 [audio] Buffered Range: 0.032 - 39.999968 
    
dash.all.js:11 [audio] Getting the request for time: 0 
    
dash.all.js:11 [audio] Index for time 0 is 0 
    
dash.all.js:11 loaded video:Media Segment:29.499843750000004 (200, 47ms, 7ms) 
    
dash.all.js:11 Video Element Error: MEDIA_ERR_DECODE 
    
dash.all.js:11 [video] stop 
    
dash.all.js:11 [audio] stop 
    
dash.all.js:11 Video Element Error: MEDIA_ERR_SRC_NOT_SUPPORTED 
    
dash.all.js:11 <video> play 
    
</video></video></video></video></video></video></video>

  • ffmpeg-mp4box-mpeg dash plays only few segments

    30 octobre 2015, par Idris

    Need help in debugging the segment dash files

    The input was an MP4 with these details. This was recorded from a video camera, the output from the camera was mkv and we converted into MP4 after editing the audio via adobe

    • Size : 7.51 GB Frame rate : 25 frames/ second
    • Data rate : 25326kbps
    • Total bitrate : 25525kbps

    Converted this to another mp4 with this command

    ffmpeg -i "input.mp4" -s 1280x720 -c:v libx264 -b:v 750k -bf 2 -g 75 -sc_threshold 0 -an video_1280x720_750k.mp4
    

    
ffmpeg -i "input.mp4"  -c:a aac -strict experimental -b:a 96k -ar 32000 -vn audio_96k.mp4

    The output video has

    • fps : 25
    • Data rate : 761kbps
    • bitrate : 761kbps

    Then, created the segmented dash through MP4Box

    MP4Box -dash 10000 -frag 10000 -rap -segment-name video_0_1280000\segment_ video_1280x720_750k.mp4
    

    
MP4Box -dash 3000 -frag 10000 -rap -segment-name audio_0_96000\segment_ audio_96k.mp4

    The MPD generated was validated online and its perfect

    UPDATE ! Included the MPD file

    &lt;?xml version="1.0"?>
    

    
<mpd xmlns="urn:mpeg:dash:schema:mpd:2011" minbuffertime="PT1.500S" type="static" mediapresentationduration="PT0H2M0.000S" maxsegmentduration="PT0H0M10.000S" profiles="urn:mpeg:dash:profile:full:2011">
    
 <programinformation moreinformationurl="http://gpac.sourceforge.net">
    
  
    
 </programinformation>
    

    
 <period duration="PT0H2M0.000S">
    
   <adaptationset segmentalignment="true" lang="eng">
    
     <representation mimetype="audio/mp4" codecs="mp4a.40.2" audiosamplingrate="32000" startwithsap="1" bandwidth="98434">
    
       <audiochannelconfiguration schemeiduri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"></audiochannelconfiguration>
    
       <segmentlist timescale="32000" duration="319999">
    
         <initialization sourceurl="audio_0_96000/segment_init.mp4"></initialization>
    
         <segmenturl media="audio_0_96000/segment_1.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_2.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_3.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_4.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_5.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_6.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_7.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_8.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_9.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_10.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_11.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_12.m4s"></segmenturl>
    
         <segmenturl media="audio_0_96000/segment_13.m4s"></segmenturl>
    
       </segmentlist>
    
     </representation>
    
   </adaptationset>
    
  <adaptationset segmentalignment="true" maxwidth="1280" maxheight="720" maxframerate="25" par="16:9" lang="eng">
    
   <representation mimetype="video/mp4" codecs="avc3.64001f" width="1280" height="720" framerate="25" sar="1:1" startwithsap="1" bandwidth="764668">
    
    <segmentlist timescale="12800" duration="125866">
    
     <initialization sourceurl="video_0_1280000/segment_init.mp4"></initialization>
    
     <segmenturl media="video_0_1280000/segment_1.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_2.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_3.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_4.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_5.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_6.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_7.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_8.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_9.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_10.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_11.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_12.m4s"></segmenturl>
    
     <segmenturl media="video_0_1280000/segment_13.m4s"></segmenturl>
    
    </segmentlist>
    
   </representation>
    
  </adaptationset>
    

    
 </period>
    
</mpd>

    Played the video through dashjs.. I believe it just plays the initial segment and errors out as MEDIA_ERR_DECODE..MEDIA_ERR_SRC_NOT_SUPPORTED.. or some message which says start not found..

    Through chrome debugging I see that atleast 4 segments are correctly loading.. I am not sure whats going on..

    Any help in debugging the issue is really appreciated. I really can’t understand if this is a problem with the file or ffmpeg or mp4box or chrome.

    Output from chrome debugging tool

    [dash.js 1.5.1] new MediaPlayer instance has been created 
    
dash.all.js:11 Playback initiated! 
    
dash.all.js:11 Parsing complete: ( xml2json: 5ms, objectiron: 10ms, total: 0.015s) 
    
dash.all.js:11 Manifest has been refreshed at Mon Oct 26 2015 10:19:22 GMT-0400 (Eastern Daylight Time)[1445869162092]  
    
dash.all.js:11 SegmentTimeline detected using calculated Live Edge Time 
    
dash.all.js:11 MediaSource is open! 
    
dash.all.js:11 [object Event] 
    
dash.all.js:11 Duration successfully set to: 120 
    
dash.all.js:11 Added 0 inline events 
    
dash.all.js:11 video codec: video/mp4;codecs="avc3.64001f" 
    
dash.all.js:11 [video] stop 
    
dash.all.js:11 audio codec: audio/mp4;codecs="mp4a.40.2" 
    
dash.all.js:11 [audio] stop 
    
dash.all.js:11 No text data. 
    
dash.all.js:11 No fragmentedText data. 
    
dash.all.js:11 No muxed data. 
    
dash.all.js:11 [video] start 
    
dash.all.js:11 [video] Getting the request for time: 0 
    
dash.all.js:11 [video] Index for time 0 is 0 
    
dash.all.js:11 [video] SegmentList: 0 / 120 
    
dash.all.js:11 [audio] start 
    
dash.all.js:11 [audio] Getting the request for time: 0 
    
dash.all.js:11 [audio] Index for time 0 is 0 
    
dash.all.js:11 [audio] SegmentList: 0 / 120 
    
dash.all.js:11 [video] Getting the request for time: 9.83328125 
    
dash.all.js:11 [video] Index for time 9.83328125 is 0 
    
dash.all.js:11 [video] SegmentList: 0 / 120 
    
dash.all.js:11 [video] SegmentList: 9.83328125 / 120 
    
dash.all.js:11 [audio] Getting the request for time: 9.99996875 
    
dash.all.js:11 [audio] Index for time 9.99996875 is 0 
    
dash.all.js:11 [audio] SegmentList: 0 / 120 
    
dash.all.js:11 [audio] SegmentList: 9.99996875 / 120 
    
dash.all.js:11 loaded audio:Media Segment:0 (200, 20ms, 6ms) 
    
dash.all.js:11 loaded video:Media Segment:0 (200, 153ms, 43ms) 
    
dash.all.js:11 loaded video:Initialization Segment:NaN (200, 0ms, 32ms) 
    
dash.all.js:11 [video] Initialization finished loading 
    
dash.all.js:11 loaded audio:Initialization Segment:NaN (200, 0ms, 34ms) 
    
dash.all.js:11 [audio] Initialization finished loading 
    
dash.all.js:11 [video] Getting the request for time: 19.6665625 
    
dash.all.js:11 [video] Index for time 19.6665625 is 1 
    
dash.all.js:11 [video] SegmentList: 9.83328125 / 120 
    
dash.all.js:11 [video] SegmentList: 19.6665625 / 120 
    
dash.all.js:11 [audio] Getting the request for time: 19.9999375 
    
dash.all.js:11 [audio] Index for time 19.9999375 is 1 
    
dash.all.js:11 [audio] SegmentList: 9.99996875 / 120 
    
dash.all.js:11 [audio] SegmentList: 19.9999375 / 120 
    
dash.all.js:11 [video] Stalling Buffer 
    
dash.all.js:11 [video] Waiting for more buffer before starting playback. 
    
dash.all.js:11 [video] Getting the request for time: 0 
    
dash.all.js:11 [video] Index for time 0 is 0 
    
dash.all.js:11 [audio] Stalling Buffer 
    
dash.all.js:11 [audio] Waiting for more buffer before starting playback. 
    
dash.all.js:11 [audio] Getting the request for time: 0 
    
dash.all.js:11 [audio] Index for time 0 is 0 
    
dash.all.js:11 <video> loadedmetadata 
    
dash.all.js:11 Starting playback at offset: 0 
    
dash.all.js:11 [video] Getting the request for time: 29.499843750000004 
    
dash.all.js:11 [video] Index for time 29.499843750000004 is 2 
    
dash.all.js:11 [video] SegmentList: 19.6665625 / 120 
    
dash.all.js:11 [video] SegmentList: 29.499843750000004 / 120 
    
dash.all.js:11 [video] Got enough buffer to start. 
    
dash.all.js:11 [video] seek: 0 
    
dash.all.js:11 [audio] Getting the request for time: 29.999906250000002 
    
dash.all.js:11 [audio] Index for time 29.999906250000002 is 2 
    
dash.all.js:11 [audio] SegmentList: 19.9999375 / 120 
    
dash.all.js:11 [audio] SegmentList: 29.999906250000002 / 120 
    
dash.all.js:11 [audio] Got enough buffer to start. 
    
dash.all.js:11 [audio] seek: 0 
    
dash.all.js:11 loaded audio:Media Segment:9.99996875 (200, 67ms, 24ms) 
    
dash.all.js:11 loaded video:Media Segment:9.83328125 (200, 71ms, 31ms) 
    
dash.all.js:11 [audio] Buffered Range: 0.032 - 9.984 
    
dash.all.js:11 [audio] Getting the request for time: 0 
    
dash.all.js:11 [audio] Index for time 0 is 0 
    
dash.all.js:11 Start Event Controller 
    
dash.all.js:11 [audio] Buffered Range: 0.032 - 19.999968 
    
dash.all.js:11 [audio] Getting the request for time: 0 
    
dash.all.js:11 [audio] Index for time 0 is 0 
    
dash.all.js:11 <video> play 
    
dash.all.js:11 [video] start 
    
dash.all.js:11 [video] Getting the request for time: 0 
    
dash.all.js:11 [video] Index for time 0 is 0 
    
dash.all.js:11 [video] SegmentList: 0 / 120 
    
dash.all.js:11 [video] SegmentList: 9.83328125 / 120 
    
dash.all.js:11 [video] SegmentList: 19.6665625 / 120 
    
dash.all.js:11 [audio] start 
    
dash.all.js:11 <video> playing 
    
dash.all.js:11 [video] Buffered Range: 0 - 9 
    
dash.all.js:11 [video] Getting the request for time: 0 
    
dash.all.js:11 [video] Index for time 0 is 0 
    
dash.all.js:11 Do seek: 0.032 
    
dash.all.js:11 <video> seek 
    
dash.all.js:11 [video] Getting the request for time: 29.499843750000004 
    
dash.all.js:11 [video] Index for time 29.499843750000004 is 2 
    
dash.all.js:11 [video] SegmentList: 19.6665625 / 120 
    
dash.all.js:11 [video] SegmentList: 29.499843750000004 / 120 
    
dash.all.js:11 [video] seek: 0.032 
    
dash.all.js:11 [audio] seek: 0.032 
    
dash.all.js:11 [video] Getting the request for time: 9 
    
dash.all.js:11 [video] Index for time 9 is 0 
    
dash.all.js:11 [video] SegmentList: 0 / 120 
    
dash.all.js:11 [video] SegmentList: 9.83328125 / 120 
    
dash.all.js:11 [video] SegmentList: 19.6665625 / 120 
    
dash.all.js:11 [video] SegmentList: 29.499843750000004 / 120 
    
dash.all.js:11 [video] Buffered Range: 0 - 18 
    
dash.all.js:11 [video] Getting the request for time: 0 
    
dash.all.js:11 [video] Index for time 0 is 0 
    
dash.all.js:11 loaded video:Media Segment:19.6665625 (200, 42ms, 33ms) 
    
dash.all.js:11 <video> seeked 
    
dash.all.js:11 Start Event Controller 
    
dash.all.js:11 <video> playing 
    
dash.all.js:11 [video] Buffered Range: 0 - 28 
    
dash.all.js:11 [video] Getting the request for time: 0 
    
dash.all.js:11 [video] Index for time 0 is 0 
    
dash.all.js:11 [audio] Getting the request for time: 19.999968 
    
dash.all.js:11 [audio] Index for time 19.999968 is 1 
    
dash.all.js:11 [audio] SegmentList: 9.99996875 / 120 
    
dash.all.js:11 [audio] SegmentList: 19.9999375 / 120 
    
dash.all.js:11 [audio] Getting the request for time: 29.999906250000002 
    
dash.all.js:11 [audio] Index for time 29.999906250000002 is 2 
    
dash.all.js:11 [audio] SegmentList: 19.9999375 / 120 
    
dash.all.js:11 [audio] SegmentList: 29.999906250000002 / 120 
    
dash.all.js:11 loaded audio:Media Segment:19.9999375 (200, 102ms, 2ms) 
    
dash.all.js:11 [audio] Buffered Range: 0.032 - 29.983968 
    
dash.all.js:11 [audio] Getting the request for time: 0 
    
dash.all.js:11 [audio] Index for time 0 is 0 
    
dash.all.js:11 loaded audio:Media Segment:29.999906250000002 (200, 26ms, 2ms) 
    
dash.all.js:11 [audio] Buffered Range: 0.032 - 39.999968 
    
dash.all.js:11 [audio] Getting the request for time: 0 
    
dash.all.js:11 [audio] Index for time 0 is 0 
    
dash.all.js:11 loaded video:Media Segment:29.499843750000004 (200, 47ms, 7ms) 
    
dash.all.js:11 Video Element Error: MEDIA_ERR_DECODE 
    
dash.all.js:11 [video] stop 
    
dash.all.js:11 [audio] stop 
    
dash.all.js:11 Video Element Error: MEDIA_ERR_SRC_NOT_SUPPORTED 
    
dash.all.js:11 <video> play 
    
</video></video></video></video></video></video></video>

  • RTMP -> endoce using ffmpeg -> HLS,DASH

    1er juillet 2017, par Ubunkun

    I would like to do "RTMP -> endoce using ffmpeg -> HLS,DASH".

    ・OS: CentOS7
    
・nginx version: nginx/1.13.0
    
　with nginx-rtmp-module
    
・ffmpeg
    
ffmpeg version N-83692-gb8a7dcbde2-static http://johnvansickle.com/ffmpeg/  Copyright (c) 2000-2017 the FFmpeg developers
    
  built with gcc 5.4.1 (Debian 5.4.1-5) 20170205
    
  configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc-5 --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gray --enable-libass --enable-libfreetype --enable-libfribidi --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libzimg
    
  libavutil      55. 47.100 / 55. 47.100
    
  libavcodec     57. 81.100 / 57. 81.100
    
  libavformat    57. 66.102 / 57. 66.102
    
  libavdevice    57.  3.100 / 57.  3.100
    
  libavfilter     6. 74.100 /  6. 74.100
    
  libswscale      4.  3.101 /  4.  3.101
    
  libswresample   2.  4.100 /  2.  4.100
    
  libpostproc    54.  2.100 / 54.  2.100
    

    
/usr/local/nginx/conf/nginx.conf
    
rtmp {
    
  server {
    
      listen 1935;
    
      application test {
    
        live on;
    
        exec /root/ffmpeg -i rtmp://localhost/test/$name
    
        -b:v 1000k -r 30 -s 720x480 -c:v libx264 -f flv rtmp://localhost/live/$name_low;
    
      }
    
      application live {
    
        live on;
    
        hls  on;
    
        hls_path /usr/local/nginx/html/hls;
    
        hls_fragment 10s;
    
        hls_type live;
    
        dash on;
    
        dash_path /usr/local/nginx/html/dash;
    
      }
    
  }
    
}

    When I tried "rtmp ://domain.com/live/test1", it was success. There are some segment on hls and dash folder.

    But, When I teird "rtmp ://domain.com/test/test2", it was fail.

    In error.log

    2017/07/01 22:02:03 [alert] 23951#0 : unknown process 24019 exited on signal 9

    What wrong is setting ? If you know the cause of problem, let me know how to resolve it.

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