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  • WebM live streaming via DASH

    4 juin 2018, par ewack

    I am following the instructions here to try to make WebM live streaming via DASH. My input is from an Axis camera and it is streaming as h264 encoding. I am using node to spin up the ffmpeg processes. I am able to create the .hdr file and the .chk files. The .mpd file is even created but it’s empty and I get an error saying :

    Could not write header for output file #0 (incorrect codec parameters ?): Operation not permittedStream mapping: Stream #0:0 -> #0:0 (copy)

    Here’s all of my code :

    var express = require('express');
    spawn = require('child_process').spawn;

    var app = express();

    app.use(express.static(__dirname + '/public'));

    app.listen(8080);
    console.log("Running on Port 8080");

    var ffmpeg1 = spawn('ffmpeg', [
       '-y',
       //video
       '-i', 'rtsp://admin:password@192.168.1.54:554/axis-media/media.amp?videocodec=h264&resolution=1280x720',

       '-map', '0:0',
       '-pix_fmt', 'yuv420p',
       '-color_range', '2',
       '-c:v', 'libvpx-vp9',

       '-s', '1280x720',
       '-keyint_min', '25',
       '-g', '25',

       // //VP9_LIVE_PARAMS
       '-speed', '6',
       '-tile-columns', '4',
       '-frame-parallel', '1',
       '-threads', '8',
       '-static-thresh', '0',
       '-max-intra-rate', '300',
       '-deadline', 'realtime',
       '-lag-in-frames', '0',
       '-error-resilient', '1',

       '-f', 'webm_chunk',
       '-header', 'public/glass_360.hdr',
       '-chunk_start_index', '1',
       'public/glass_360_%d.chk',
    ]);


    setTimeout(()=> {
     var ffmpeg2 = spawn('ffmpeg', [
       '-y',
       '-f', 'webm_dash_manifest',
       '-live', '1',
       '-i', 'public/glass_360.hdr',
       '-c', 'copy',
       '-map', '0',
       '-r', '25',
       '-framerate', '25',

       '-f', 'webm_dash_manifest',
       '-live', '1',

       '-adaptation_sets', '"id=0,streams=0"',
       '-chunk_start_index', '1',
       '-chunk_duration_ms', '2000',
       '-time_shift_buffer_depth', '7200',
       '-minimum_update_period', '7200',

       'public/glass_live_manifest.mpd'
     ]);
     ffmpeg2.stdout.on('data',
         function (data) {
             console.log('ff2std: ' + data);
         }
     );

     ffmpeg2.stderr.on('data',
         function (data) {
             console.log('ff2err: ' + data);
         }
     );
    }, 5000);

    ffmpeg1.stdout.on('data',
       function (data) {
           console.log('ff1std: ' + data);
       }
    );

    ffmpeg1.stderr.on('data',
       function (data) {
           console.log('ff1err: ' + data);
       }
    );

    Here is all of my output :

    Running on Port 8080
    ff1err: ffmpeg version 3.2.4 Copyright (c) 2000-2017 the FFmpeg developers
     built with Apple LLVM version 6.0 (clang-600.0.57) (based on LLVM 3.5svn)
     configuration: --prefix=/usr/local/Cellar/ffmpeg/3.2.4 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-frei0r --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-opencl --disable-lzma --enable-libopenjpeg --disable-decoder=jpeg2000 --extra-cflags=-I/usr/local/Cellar/openjpeg/2.1.2/include/openjpeg-2.1 --enable-nonfree --enable-vda

    ff1err:   libavutil      55. 34.101 / 55. 34.101
     libavcodec     57. 64.101 / 57. 64.101
     libavformat    57. 56.101 / 57. 56.101
     libavdevice    57.  1.100 / 57.  1.100
     libavfilter     6. 65.100 /  6. 65.100
     libavresample   3.  1.  0 /  3.  1.  0
     libswscale      4.  2.100 /  4.  2.100
     libswresample   2.  3.100 /  2.  3.100
     libpostproc    54.  1.100 / 54.  1.100

    ff1err: Input #0, rtsp, from 'rtsp://admin:password@192.168.1.54:554/axis-media/media.amp?videocodec=h264&resolution=1280x720':
     Metadata:
       title           : Session streamed with GStreamer
       comment         : rtsp-server
     Duration: N/A, start: 0.033344
    ff1err: , bitrate: N/A
       Stream #0:0: Video: h264 (Main), yuvj420p(pc, bt709, progressive), 1280x720 [SAR 1:1 DAR 16:9], 30 fps, 30 tbr, 90k tbn, 180k tbc

    ff1err: [swscaler @ 0x7f8df281bc00] deprecated pixel format used, make sure you did set range correctly

    ff1err: [libvpx-vp9 @ 0x7f8df2800600] v1.6.1

    ff1err: Output #0, webm_chunk, to 'public/glass_360_%d.chk':
     Metadata:
       title           : Session streamed with GStreamer
       comment         : rtsp-server
       encoder         : Lavf57.56.101

    ff1err:     Stream #0:0: Video: vp9 (libvpx-vp9), yuv420p(pc), 1280x720 [SAR 1:1 DAR 16:9], q=-1--1, 200 kb/s, 25 fps, 1k tbn, 25 tbc
       Metadata:
         encoder         : Lavc57.64.101 libvpx-vp9
       Side data:
         cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    Stream mapping:
     Stream #0:0 -> #0:0 (h264 (native) -> vp9 (libvpx-vp9))
    Press [q] to stop, [?] for help

    ff1err: frame=   10 fps=0.0 q=0.0 size=N/A time=00:00:00.36 bitrate=N/A speed=0.71x    
    ff1err: frame=   25 fps= 25 q=0.0 size=N/A time=00:00:00.96 bitrate=N/A speed=0.946x    
    ff1err: frame=   40 fps= 26 q=0.0 size=N/A time=00:00:01.56 bitrate=N/A speed=1.03x    
    ff1err: frame=   55 fps= 27 q=0.0 size=N/A time=00:00:02.16 bitrate=N/A speed=1.07x    
    ff1err: frame=   70 fps= 28 q=0.0 size=N/A time=00:00:02.76 bitrate=N/A speed=1.09x    
    ff1err: frame=   85 fps= 28 q=0.0 size=N/A time=00:00:03.36 bitrate=N/A speed=1.11x    
    ff2err: ffmpeg version 3.2.4 Copyright (c) 2000-2017 the FFmpeg developers
     built with Apple LLVM version 6.0 (clang-600.0.57) (based on LLVM 3.5svn)
     configuration: --prefix=/usr/local/Cellar/ffmpeg/3.2.4 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-frei0r --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-opencl --disable-lzma --enable-libopenjpeg --disable-decoder=jpeg2000 --extra-cflags=-I/usr/local/Cellar/openjpeg/2.1.2/include/openjpeg-2.1 --enable-nonfree --enable-vda

    ff2err:   libavutil      55. 34.101 / 55. 34.101
     libavcodec     57. 64.101 / 57. 64.101
     libavformat    57. 56.101 / 57. 56.101
     libavdevice    57.  1.100 / 57.  1.100
     libavfilter     6. 65.100 /  6. 65.100
     libavresample   3.  1.  0 /  3.  1.  0
     libswscale      4.  2.100 /  4.  2.100
     libswresample   2.  3.100 /  2.  3.100
     libpostproc    54.  1.100 / 54.  1.100

    ff2err: [webm_dash_manifest @ 0x7fbc5b80b400] Could not find codec parameters for stream 0 (Video: vp9, none, 1280x720): unspecified pixel format
    Consider increasing the value for the 'analyzeduration' and 'probesize' options

    ff2err: Input #0, webm_dash_manifest, from 'public/glass_360.hdr':
     Metadata:
       title           : Session streamed with GStreamer
       encoder         : Lavf57.56.101
     Duration: N/A, bitrate: N/A
       Stream #0:0: Video: vp9, none, 1280x720
    ff2err: , SAR 1:1 DAR 16:9, 25 fps, 25 tbr, 1k tbn, 1k tbc (default)
       Metadata:
         webm_dash_manifest_file_name: glass_360.hdr
         webm_dash_manifest_track_number: 1

    ff2err: Could not write header for output file #0 (incorrect codec parameters ?): Operation not permittedStream mapping:
     Stream #0:0 -> #0:0 (copy)

    ff2err:     Last message repeated 1 times

    ff1err: frame=  101 fps= 29 q=0.0 size=N/A time=00:00:04.00 bitrate=N/A speed=1.13x    
    ff1err: frame=  116 fps= 29 q=0.0 size=N/A time=00:00:04.60 bitrate=N/A speed=1.14x    
    ff1err: frame=  131 fps= 29 q=0.0 size=N/A time=00:00:05.20 bitrate=N/A speed=1.15x    
    ff1err: frame=  146 fps= 29 q=0.0 size=N/A time=00:00:05.80 bitrate=N/A speed=1.15x    
    ff1err: frame=  161 fps= 29 q=0.0 size=N/A time=00:00:06.40 bitrate=N/A speed=1.15x    
    ff1err: frame=  177 fps= 29 q=0.0 size=N/A time=00:00:07.04 bitrate=N/A speed=1.16x    
    ff1err: frame=  192 fps= 29 q=0.0 size=N/A time=00:00:07.64 bitrate=N/A speed=1.16x    
    ff1err: frame=  207 fps= 29 q=0.0 size=N/A time=00:00:08.24 bitrate=N/A speed=1.16x    
    ff1err: frame=  222 fps= 29 q=0.0 size=N/A time=00:00:08.84 bitrate=N/A speed=1.17x    
    ff1err: frame=  237 fps= 29 q=0.0 size=N/A time=00:00:09.44 bitrate=N/A speed=1.17x    
    ff1err: frame=  252 fps= 29 q=0.0 size=N/A time=00:00:10.04 bitrate=N/A speed=1.17x  

    Why is ffmpeg creating an empty .mpd file ?

  • WebM live streaming via DASH

    23 février 2017, par ewack

    I am following the instructions here to try to make WebM live streaming via DASH. My input is from an Axis camera and it is streaming as h264 encoding. I am using node to spin up the ffmpeg processes. I am able to create the .hdr file and the .chk files. The .mpd file is even created but it’s empty and I get an error saying :

    Could not write header for output file #0 (incorrect codec parameters ?): Operation not permittedStream mapping: Stream #0:0 -> #0:0 (copy)

    Here’s all of my code :

    var express = require('express');
    spawn = require('child_process').spawn;

    var app = express();

    app.use(express.static(__dirname + '/public'));

    app.listen(8080);
    console.log("Running on Port 8080");

    var ffmpeg1 = spawn('ffmpeg', [
       '-y',
       //video
       '-i', 'rtsp://admin:password@192.168.1.54:554/axis-media/media.amp?videocodec=h264&resolution=1280x720',

       '-map', '0:0',
       '-pix_fmt', 'yuv420p',
       '-color_range', '2',
       '-c:v', 'libvpx-vp9',

       '-s', '1280x720',
       '-keyint_min', '25',
       '-g', '25',

       // //VP9_LIVE_PARAMS
       '-speed', '6',
       '-tile-columns', '4',
       '-frame-parallel', '1',
       '-threads', '8',
       '-static-thresh', '0',
       '-max-intra-rate', '300',
       '-deadline', 'realtime',
       '-lag-in-frames', '0',
       '-error-resilient', '1',

       '-f', 'webm_chunk',
       '-header', 'public/glass_360.hdr',
       '-chunk_start_index', '1',
       'public/glass_360_%d.chk',
    ]);


    setTimeout(()=> {
     var ffmpeg2 = spawn('ffmpeg', [
       '-y',
       '-f', 'webm_dash_manifest',
       '-live', '1',
       '-i', 'public/glass_360.hdr',
       '-c', 'copy',
       '-map', '0',
       '-r', '25',
       '-framerate', '25',

       '-f', 'webm_dash_manifest',
       '-live', '1',

       '-adaptation_sets', '"id=0,streams=0"',
       '-chunk_start_index', '1',
       '-chunk_duration_ms', '2000',
       '-time_shift_buffer_depth', '7200',
       '-minimum_update_period', '7200',

       'public/glass_live_manifest.mpd'
     ]);
     ffmpeg2.stdout.on('data',
         function (data) {
             console.log('ff2std: ' + data);
         }
     );

     ffmpeg2.stderr.on('data',
         function (data) {
             console.log('ff2err: ' + data);
         }
     );
    }, 5000);

    ffmpeg1.stdout.on('data',
       function (data) {
           console.log('ff1std: ' + data);
       }
    );

    ffmpeg1.stderr.on('data',
       function (data) {
           console.log('ff1err: ' + data);
       }
    );

    Here is all of my output :

    Running on Port 8080
    ff1err: ffmpeg version 3.2.4 Copyright (c) 2000-2017 the FFmpeg developers
     built with Apple LLVM version 6.0 (clang-600.0.57) (based on LLVM 3.5svn)
     configuration: --prefix=/usr/local/Cellar/ffmpeg/3.2.4 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-frei0r --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-opencl --disable-lzma --enable-libopenjpeg --disable-decoder=jpeg2000 --extra-cflags=-I/usr/local/Cellar/openjpeg/2.1.2/include/openjpeg-2.1 --enable-nonfree --enable-vda

    ff1err:   libavutil      55. 34.101 / 55. 34.101
     libavcodec     57. 64.101 / 57. 64.101
     libavformat    57. 56.101 / 57. 56.101
     libavdevice    57.  1.100 / 57.  1.100
     libavfilter     6. 65.100 /  6. 65.100
     libavresample   3.  1.  0 /  3.  1.  0
     libswscale      4.  2.100 /  4.  2.100
     libswresample   2.  3.100 /  2.  3.100
     libpostproc    54.  1.100 / 54.  1.100

    ff1err: Input #0, rtsp, from 'rtsp://admin:password@192.168.1.54:554/axis-media/media.amp?videocodec=h264&resolution=1280x720':
     Metadata:
       title           : Session streamed with GStreamer
       comment         : rtsp-server
     Duration: N/A, start: 0.033344
    ff1err: , bitrate: N/A
       Stream #0:0: Video: h264 (Main), yuvj420p(pc, bt709, progressive), 1280x720 [SAR 1:1 DAR 16:9], 30 fps, 30 tbr, 90k tbn, 180k tbc

    ff1err: [swscaler @ 0x7f8df281bc00] deprecated pixel format used, make sure you did set range correctly

    ff1err: [libvpx-vp9 @ 0x7f8df2800600] v1.6.1

    ff1err: Output #0, webm_chunk, to 'public/glass_360_%d.chk':
     Metadata:
       title           : Session streamed with GStreamer
       comment         : rtsp-server
       encoder         : Lavf57.56.101

    ff1err:     Stream #0:0: Video: vp9 (libvpx-vp9), yuv420p(pc), 1280x720 [SAR 1:1 DAR 16:9], q=-1--1, 200 kb/s, 25 fps, 1k tbn, 25 tbc
       Metadata:
         encoder         : Lavc57.64.101 libvpx-vp9
       Side data:
         cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    Stream mapping:
     Stream #0:0 -> #0:0 (h264 (native) -> vp9 (libvpx-vp9))
    Press [q] to stop, [?] for help

    ff1err: frame=   10 fps=0.0 q=0.0 size=N/A time=00:00:00.36 bitrate=N/A speed=0.71x    
    ff1err: frame=   25 fps= 25 q=0.0 size=N/A time=00:00:00.96 bitrate=N/A speed=0.946x    
    ff1err: frame=   40 fps= 26 q=0.0 size=N/A time=00:00:01.56 bitrate=N/A speed=1.03x    
    ff1err: frame=   55 fps= 27 q=0.0 size=N/A time=00:00:02.16 bitrate=N/A speed=1.07x    
    ff1err: frame=   70 fps= 28 q=0.0 size=N/A time=00:00:02.76 bitrate=N/A speed=1.09x    
    ff1err: frame=   85 fps= 28 q=0.0 size=N/A time=00:00:03.36 bitrate=N/A speed=1.11x    
    ff2err: ffmpeg version 3.2.4 Copyright (c) 2000-2017 the FFmpeg developers
     built with Apple LLVM version 6.0 (clang-600.0.57) (based on LLVM 3.5svn)
     configuration: --prefix=/usr/local/Cellar/ffmpeg/3.2.4 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-frei0r --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-opencl --disable-lzma --enable-libopenjpeg --disable-decoder=jpeg2000 --extra-cflags=-I/usr/local/Cellar/openjpeg/2.1.2/include/openjpeg-2.1 --enable-nonfree --enable-vda

    ff2err:   libavutil      55. 34.101 / 55. 34.101
     libavcodec     57. 64.101 / 57. 64.101
     libavformat    57. 56.101 / 57. 56.101
     libavdevice    57.  1.100 / 57.  1.100
     libavfilter     6. 65.100 /  6. 65.100
     libavresample   3.  1.  0 /  3.  1.  0
     libswscale      4.  2.100 /  4.  2.100
     libswresample   2.  3.100 /  2.  3.100
     libpostproc    54.  1.100 / 54.  1.100

    ff2err: [webm_dash_manifest @ 0x7fbc5b80b400] Could not find codec parameters for stream 0 (Video: vp9, none, 1280x720): unspecified pixel format
    Consider increasing the value for the 'analyzeduration' and 'probesize' options

    ff2err: Input #0, webm_dash_manifest, from 'public/glass_360.hdr':
     Metadata:
       title           : Session streamed with GStreamer
       encoder         : Lavf57.56.101
     Duration: N/A, bitrate: N/A
       Stream #0:0: Video: vp9, none, 1280x720
    ff2err: , SAR 1:1 DAR 16:9, 25 fps, 25 tbr, 1k tbn, 1k tbc (default)
       Metadata:
         webm_dash_manifest_file_name: glass_360.hdr
         webm_dash_manifest_track_number: 1

    ff2err: Could not write header for output file #0 (incorrect codec parameters ?): Operation not permittedStream mapping:
     Stream #0:0 -> #0:0 (copy)

    ff2err:     Last message repeated 1 times

    ff1err: frame=  101 fps= 29 q=0.0 size=N/A time=00:00:04.00 bitrate=N/A speed=1.13x    
    ff1err: frame=  116 fps= 29 q=0.0 size=N/A time=00:00:04.60 bitrate=N/A speed=1.14x    
    ff1err: frame=  131 fps= 29 q=0.0 size=N/A time=00:00:05.20 bitrate=N/A speed=1.15x    
    ff1err: frame=  146 fps= 29 q=0.0 size=N/A time=00:00:05.80 bitrate=N/A speed=1.15x    
    ff1err: frame=  161 fps= 29 q=0.0 size=N/A time=00:00:06.40 bitrate=N/A speed=1.15x    
    ff1err: frame=  177 fps= 29 q=0.0 size=N/A time=00:00:07.04 bitrate=N/A speed=1.16x    
    ff1err: frame=  192 fps= 29 q=0.0 size=N/A time=00:00:07.64 bitrate=N/A speed=1.16x    
    ff1err: frame=  207 fps= 29 q=0.0 size=N/A time=00:00:08.24 bitrate=N/A speed=1.16x    
    ff1err: frame=  222 fps= 29 q=0.0 size=N/A time=00:00:08.84 bitrate=N/A speed=1.17x    
    ff1err: frame=  237 fps= 29 q=0.0 size=N/A time=00:00:09.44 bitrate=N/A speed=1.17x    
    ff1err: frame=  252 fps= 29 q=0.0 size=N/A time=00:00:10.04 bitrate=N/A speed=1.17x  

    Why is ffmpeg creating an empty .mpd file ?

  • How to merge mp4 audio dash fragment with another audio

    18 mars 2019, par mosvov

    I have 1 audio file from dash stream

    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'file_191282-377206_header.mp4':   Metadata:

    major_brand     : iso6
    minor_version   : 1
    compatible_brands: mp42dashmsdhmsixiso6avc1isom
    creation_time   : 2016-04-29T11:04:26.000000Z   Duration: 00:00:30.02, start: 14.997333, bitrate: 49 kb/s
    Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 48 kb/s (default)

    Also in exiftool output :

    Movie Data Size                 : 180193
    Movie Data Offset               : 6388

    I try to merge with another audio and save metadata info like Movie Data Size/Offset and start/duration time.
    I try with ffmpeg/MP4Box commands like :

    MP4Box -new -add file_191282-377206_header.mp4 -add out000.mp4
    ffmpeg -i file_191282-377206_header.mp4 -i out000.mp4 -codec copy -shortest output.mp4
    ffmpeg -i file_191282-377206_header.mp4 -i out000.mp4 -filter_complex amerge -ac 2 -c:a aac output.mp4

    All the time information erased or changed.

    So question is how to merge 2 audio files inside mp4 and not change Movie Size/Offset and start/duration time ?