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  • ffmpeg output separate channel from an input with multiple channels

    16 février 2017, par tiras muturi

    i run this command to be able to stream a udp live stream to a http live stream that is playable using a mobile application that am building.
    its just a stream with audio streams only.

    ffmpeg -i udp ://@localhost:1111 -map 0:a http://localhost:8090/feed1.ffm

    Input #0, mpegts, from 'udp://@localhost:1111':
    
  Duration: N/A, start: 54616.264622, bitrate: 768 kb/s
    
  Program 1
    
    Metadata:
    
  service_name    : Service 1
    
  service_provider: TLK
    
    Stream #0:0[0x101]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
  Program 2
    
Metadata:
    
  service_name    : Service 2
    
  service_provider: TLK
    
Stream #0:1[0x111]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
 Program 3
    
Metadata:
    
  service_name    : Service 3
    
  service_provider: TLK
    
Stream #0:2[0x121]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
 Program 4
    
Metadata:
    
  service_name    : Service 4
    
  service_provider: TLK
    
Stream #0:3[0x131]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
  Program 5
    
Metadata:
    
  service_name    : Service 5
    
  service_provider: TLK
    
Stream #0:4[0x141]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
  Program 6
    
Metadata:
    
  service_name    : Service 6
    
  service_provider: TLK
    
Stream #0:5[0x151]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
  Program 7
    
Metadata:
    
  service_name    : Service 7
    
  service_provider: TLK
    
Stream #0:6[0x161]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
 Program 8
    
Metadata:
    
  service_name    : Service 1
    
  service_provider: TLK
    
Stream #0:7[0x171]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s

    i get this output

    Stream mapping:
    
  Stream #0:0 -> #0:0 (mp2 (native) -> mp2 (native))
    
  Stream #0:0 -> #0:1 (mp2 (native) -> mp2 (native))
    
Press [q] to stop, [?] for help
    
size=     100kB time=00:00:07.19 bitrate= 113.8kbits/s speed=3.01x
    
video:0kB audio:84kB subtitle:0kB other streams:0kB global headers:0kB  muxing overhead: 18.358242%

    i really want a way i can be able to map every input stream to have an output stream that can be accessed separately from the other like maybe if i need the first stream maybe i will just

    ffplay http://localhost:8090/feed1.ffm

    and if i need the 7th stream i will just

    ffplay http://localhost:8090/feed7.ffm

    Please can someone help me crack this issue. FFmpeg dont have complex examples for my current situation.

    this is my header information

    ubuntu@ip-localhost:~$ \ 
    
ffmpeg -i udp://@localhost:4000 \
    
  -map 0:a:0     http://localhost:8090/feed1.ffm 
    
  -map 0:a:1 http://localhost:8090/feed2.ffm 
    
  -map 0:a:2 http://localhost:8090/feed3.ffm 
    
  -map 0:a:3 http://localhost:8090/feed4.ffm 
    
  -map 0:a:4 http://localhost:8090/feed5.ffm 
    
  -map 0:a:5 http://localhost:8090/feed6.ffm 
    
  -map 0:a:6 http://localhost:8090/feed7.ffm 
    
  -map 0:a:7 http://localhost:8090/feed8.ffm

    ffmpeg version 3.2.4-1 16.04.york0 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 5.4.1 (Ubuntu 5.4.1-5ubuntu2 16.04.york1) 20170210
    configuration : —prefix=/usr —extra-version=’1 16.04.york0’ — toolchain=hardened —libdir=/usr/lib/x86_64-linux-gnu —incdir=/usr/include/x86_64-linux-gnu —enable-gpl —disable-stripping —enable-avresample —enable-avisynth —enable-gnutls —enable-ladspa —enable-libass —enable-libbluray —enable-libbs2b —enable-libcaca —enable-libcdio —enable-libebur128 —enable-libflite —enable-libfontconfig —enable-libfreetype —enable-libfribidi —enable-libgme —enable-libgsm —enable-libmp3lame —enable-libopenjpeg —enable-libopenmpt —enable-libopus —enable-libpulse —enable-librubberband —enable-libshine —enable-libsnappy —enable-libsoxr —enable-libspeex —enable-libssh —enable-libtheora —enable-libtwolame —enable-libvorbis —enable-libvpx —enable-libwavpack —enable-libwebp —enable-libx265 —enable-libxvid —enable-libzmq —enable-libzvbi —enable-omx —enable-openal —enable-opengl —enable-sdl2 —enable-libdc1394 —enable-libiec61883 —enable-chromaprint —enable-frei0r —enable-libopencv —enable-libx264 —enable-shared
    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

    Input #0, mpegts, from 'udp://@localhost:1111':
    
  Duration: N/A, start: 60047.944622, bitrate: 768 kb/s
    
  Program 1
    
    Metadata:
    
  service_name    : Service 1
    
  service_provider: TKL
    
Stream #0:0[0x101]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
 Program 2
    
Metadata:
    
  service_name    : Service 2
    
  service_provider: TKL
    
Stream #0:1[0x111]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
 Program 3
    
Metadata:
    
  service_name    : Service 3
    
  service_provider: TKL
    
Stream #0:2[0x121]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
Program 4
    
Metadata:
    
  service_name    : Service 4
    
  service_provider: TKL
    
Stream #0:3[0x131]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
Program 5
    
Metadata:
    
  service_name    : Service 5
    
  service_provider: TKL
    
Stream #0:4[0x141]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
Program 6
    
Metadata:
    
  service_name    : Service 6
    
  service_provider: TKL
    
Stream #0:5[0x151]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
Program 7
    
Metadata:
    
  service_name    : Service 7
    
  service_provider: TKL
    
Stream #0:6[0x161]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
Program 8
    
Metadata:
    
  service_name    : Service 8
    
  service_provider: TKL
    
Stream #0:7[0x171]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
Output #0, ffm, to 'http://localhost:8090/feed1.ffm':
    
Metadata:
    
creation_time   : now
    
encoder         : Lavf57.56.101
    
Stream #0:0: Audio: mp2, 44100 Hz, mono, s16, 32 kb/s
    
Metadata:
    
  encoder         : Lavc57.64.101 mp2
    
Stream #0:1: Audio: mp2, 44100 Hz, stereo, s16, 64 kb/s
    
Metadata:
    
  encoder         : Lavc57.64.101 mp2
    
Output #1, ffm, to 'http://localhost:8090/feed2.ffm':
    
Metadata:
    
creation_time   : now
    
encoder         : Lavf57.56.101
    
Stream #1:0: Audio: mp2, 44100 Hz, stereo, s16, 64 kb/s
    
Metadata:
    
  encoder         : Lavc57.64.101 mp2
    
Output #2, ffm, to 'http://localhost:8090/feed3.ffm':
    
Metadata:
    
creation_time   : now
    
encoder         : Lavf57.56.101
    
Stream #2:0: Audio: mp2, 44100 Hz, stereo, s16, 64 kb/s
    
Metadata:
    
  encoder         : Lavc57.64.101 mp2
    
Output #3, ffm, to 'http://localhost:8090/feed4.ffm':
    
Metadata:
    
creation_time   : now
    
encoder         : Lavf57.56.101
    
Stream #3:0: Audio: mp2, 44100 Hz, stereo, s16, 64 kb/s
    
Metadata:
    
  encoder         : Lavc57.64.101 mp2
    
Output #4, ffm, to 'http://localhost:8090/feed5.ffm':
    
Metadata:
    
creation_time   : now
    
encoder         : Lavf57.56.101
    
Stream #4:0: Audio: mp2, 44100 Hz, stereo, s16, 64 kb/s
    
Metadata:
    
  encoder         : Lavc57.64.101 mp2
    
Output #5, ffm, to 'http://localhost:8090/feed6.ffm':
    
Metadata:
    
creation_time   : now
    
encoder         : Lavf57.56.101
    
Stream #5:0: Audio: mp2, 44100 Hz, stereo, s16, 64 kb/s
    
Metadata:
    
  encoder         : Lavc57.64.101 mp2
    
Output #6, ffm, to 'http://localhost:8090/feed7.ffm':
    
Metadata:
    
creation_time   : now
    
encoder         : Lavf57.56.101
    
Stream #6:0: Audio: mp2, 44100 Hz, stereo, s16, 64 kb/s
    
Metadata:
    
  encoder         : Lavc57.64.101 mp2
    
Output #7, ffm, to 'http://localhost:8090/feed8.ffm':
    
Metadata:
    
creation_time   : now
    
encoder         : Lavf57.56.101
    
Stream #7:0: Audio: mp2, 44100 Hz, stereo, s16, 64 kb/s
    
Metadata:
    
  encoder         : Lavc57.64.101 mp2
    
Stream mapping:
    
Stream #0:0 -> #0:0 (mp2 (native) -> mp2 (native))
    
Stream #0:0 -> #0:1 (mp2 (native) -> mp2 (native))
    
Stream #0:0 -> #1:0 (mp2 (native) -> mp2 (native))
    
Stream #0:0 -> #2:0 (mp2 (native) -> mp2 (native))
    
Stream #0:0 -> #3:0 (mp2 (native) -> mp2 (native))
    
Stream #0:0 -> #4:0 (mp2 (native) -> mp2 (native))
    
Stream #0:0 -> #5:0 (mp2 (native) -> mp2 (native))
    
Stream #0:0 -> #6:0 (mp2 (native) -> mp2 (native))
    
Stream #0:0 -> #7:0 (mp2 (native) -> mp2 (native))
    
Press [q] to stop, [?] for help

    thats my full console.

  • libavcodec/psd : add test for channel depth/channel count in bitmap mode

    11 janvier 2017, par Martin Vignali
    libavcodec/psd : add test for channel depth/channel count in bitmap mode

    Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>
    • [DH] libavcodec/psd.c

  • avfilter/af_sofalizer : warn if user gives unknown channel names

    14 décembre 2016, par Paul B Mahol
    avfilter/af_sofalizer : warn if user gives unknown channel names

    Signed-off-by : Paul B Mahol <onemda@gmail.com>
    • [DH] libavfilter/af_sofalizer.c

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