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  • My first released WordPress plugin

    23 septembre 2010, par silvia

    I’m pretty proud of this, which is why I’m dedicating a short blog post to it : today, John and I released my first WordPress plugin as open source to the WordPress plugins site. It’s got the boring name “External Videos” and builds a bridge between your WordPress instance and videos of channels on a (...)

  • How to transcode HLS video (with .m3u8 subtitle file) for MPEG-DASH stream using FFMPEG ?

    15 mai 2017, par Toan Tran

    I’m trying to use ffmpeg to transcode a HLS video.m3u8, which uses a .m3u8 subtitle file, for MPEG-DASH streaming. The subtitle file has been defined in the master manifest video.m3u8 but I receive only the video and audio, the subtitle doesn’t come along. What am I doing wrong ? Your help is very much appreciated.

    This is the command I used :

    ffmpeg -i http://myserver_ip/video.m3u8 -vcodec libx264 -vprofile baseline -acodec libmp3lame -ar 44100 -ac 1 -f flv rtmp://myserver_ip/dash/SampleVideo

    This is my video.m3u8 master manifest file :

    #EXTM3U
    
#EXT-X-MEDIA:TYPE=SUBTITLES,GROUP-ID="subtitle",NAME="#1 Fre",DEFAULT=NO,FORCED=NO,LANGUAGE="fre",URI="planete_interdite_subtitle3_fre_vtt.m3u8"
    
#EXT-X-MEDIA:TYPE=SUBTITLES,GROUP-ID="subtitle",NAME="#2 Eng",DEFAULT=NO,FORCED=NO,LANGUAGE="eng",URI="planete_interdite_subtitle4_eng_vtt.m3u8"
    
#EXT-X-MEDIA:TYPE=SUBTITLES,GROUP-ID="subtitle",NAME="#3 Eng",DEFAULT=NO,FORCED=NO,LANGUAGE="eng",URI="planete_interdite_subtitle5_eng_vtt.m3u8"
    
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="low",NAME="#1 Fre",DEFAULT=YES,AUTOSELECT=YES,LANGUAGE="fre",URI="planete_interdite_228_h264_144p_audio1_fre.m3u8"
    
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="low",NAME="#2 Eng",DEFAULT=NO,AUTOSELECT=YES,LANGUAGE="eng",URI="planete_interdite_228_h264_144p_audio2_eng.m3u8"
    
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="medium",NAME="#1 Fre",DEFAULT=YES,AUTOSELECT=YES,LANGUAGE="fre",URI="planete_interdite_500_h264_240p_audio1_fre.m3u8"
    
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="medium",NAME="#2 Eng",DEFAULT=NO,AUTOSELECT=YES,LANGUAGE="eng",URI="planete_interdite_500_h264_240p_audio2_eng.m3u8"
    
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="high",NAME="#1 Fre",DEFAULT=YES,AUTOSELECT=YES,LANGUAGE="fre",URI="planete_interdite_1228_q264_360p_audio1_fre.m3u8"
    
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="high",NAME="#2 Eng",DEFAULT=NO,AUTOSELECT=YES,LANGUAGE="eng",URI="planete_interdite_1228_q264_360p_audio2_eng.m3u8"
    
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="veryhigh",NAME="#1 Fre",DEFAULT=YES,AUTOSELECT=YES,LANGUAGE="fre",URI="planete_interdite_2080_q264_480p_audio1_fre.m3u8"
    
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="veryhigh",NAME="#2 Eng",DEFAULT=NO,AUTOSELECT=YES,LANGUAGE="eng",URI="planete_interdite_2080_q264_480p_audio2_eng.m3u8"
    
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="hdready",NAME="#1 Fre",DEFAULT=YES,AUTOSELECT=YES,LANGUAGE="fre",URI="planete_interdite_4160_n264_720p_audio1_fre.m3u8"
    
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="hdready",NAME="#2 Eng",DEFAULT=NO,AUTOSELECT=YES,LANGUAGE="eng",URI="planete_interdite_4160_n264_720p_audio2_eng.m3u8"
    
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="fullhd",NAME="#1 Fre",DEFAULT=YES,AUTOSELECT=YES,LANGUAGE="fre",URI="planete_interdite_8256_n264_1080p_audio1_fre.m3u8"
    
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="fullhd",NAME="#2 Eng",DEFAULT=NO,AUTOSELECT=YES,LANGUAGE="eng",URI="planete_interdite_8256_n264_1080p_audio2_eng.m3u8"
    
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=314000,CODECS="avc1.66.30,mp4a.40.2",RESOLUTION=256x144,AUDIO="low",SUBTITLES="subtitle"
    
planete_interdite_228_h264_144p.m3u8
    
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=638000,CODECS="avc1.66.30,mp4a.40.2",RESOLUTION=426x240,AUDIO="medium",SUBTITLES="subtitle"
    
planete_interdite_500_h264_240p.m3u8
    
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=1942000,CODECS="avc1.66.30,mp4a.40.2",RESOLUTION=640x360,AUDIO="high",SUBTITLES="subtitle"
    
planete_interdite_1228_q264_360p.m3u8
    
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=3274000,CODECS="avc1.66.30,mp4a.40.2",RESOLUTION=854x480,AUDIO="veryhigh",SUBTITLES="subtitle"
    
planete_interdite_2080_q264_480p.m3u8
    
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=4814000,CODECS="avc1.4d001f,mp4a.40.2",RESOLUTION=1280x720,AUDIO="hdready",SUBTITLES="subtitle"
    
planete_interdite_4160_n264_720p.m3u8
    
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=9501000,CODECS="avc1.640028,mp4a.40.2",RESOLUTION=1920x1080,AUDIO="fullhd",SUBTITLES="subtitle"
    
planete_interdite_8256_n264_1080p.m3u8

    My .m3u8 subtitle file, which contains many .vtt subtitle files :

    #EXTM3U
    
#EXT-X-VERSION:3
    
#EXT-X-TARGETDURATION:5
    
#EXT-X-MEDIA-SEQUENCE:1
    
#EXTINF:4.004000,
    
planete_interdite_subtitle5_eng1.vtt
    
#EXTINF:4.004000,
    
planete_interdite_subtitle5_eng2.vtt
    
#EXTINF:4.004000,
    
planete_interdite_subtitle5_eng3.vtt
    
#EXTINF:4.004000,
    
planete_interdite_subtitle5_eng4.vtt
    
#EXTINF:4.004000,
    
planete_interdite_subtitle5_eng5.vtt
    
#EXTINF:4.004000,
    
planete_interdite_subtitle5_eng6.vtt
    
#EXTINF:4.004000,
    
planete_interdite_subtitle5_eng7.vtt
    
#EXTINF:4.004000,
    
planete_interdite_subtitle5_eng8.vtt
    
#EXTINF:4.004000,
    
planete_interdite_subtitle5_eng9.vtt

  • offline playback of mpeg dash and merge segments ?

    24 mai 2021, par Sukruti Ahuja

    I want to merge this offline download into one mp4 file.please help.
here is the manifest

    


    `





mspr:proTAMAAAEAAQBCAzwAVwBSAE0ASABFAEEARABFAFIAIAB4AG0AbABuAHMAPQAiAGgAdAB0AHAAOgAvAC8AcwBjAGgAZQBtAGEAcwAuAG0Aa blah blah==


cenc:psshAAAAMnBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAABISEOdAMU0OekLil2icaysfU3o=





























































    


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    &#xA;

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