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Sur d’autres sites (8170)

  • Streaming - How do you re-encode (fps, bit rate, codec) a live stream (e:g twitch/youtube) to another live stream ? [on hold]

    10 février 2017, par shayan

    For example I could receive a twitch 720p/60fps stream and encode it down to 360p/60fps for live viewing(hls preferably). I have used ffmpeg and youtube-dl for simple tasks but i don’t know how I can achieve this.

  • Demultiplex UDP live stream to multiple single live stream outputs using FFMPEG & FFSERVE

    17 février 2017, par tiras muturi

    i have a problem with ffmpeg. i have an input live stream that has 8 inputs and i want to use ffmpeg to convert it from udp live steram to tcp livestream and then extract each of the 8 input stream differently.

    i have been reading about the ffmpeg documentation at they havent provided a clear way of solving my problem.

    am running

    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

    am running this command to help me split my input into multiple output that can be accessed differently.

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

    this is my full output

    ubuntu@ip-172-31-40-57:~$ ffmpeg -i udp://@localhost:4000  -map 0:0  http://localhost:8090/feed1.ffm  -map 0:1 http://localhost:8090/feed2.ffm  -map 0:2 http://localhost:8090/feed3.ffm  -map 0:3 http://localhost:8090/feed4.ffm  -map 0:4 http://localhost:8090/feed5.ffm  -map 0:5 http://localhost:8090/feed6.ffm  -map 0:6 http://localhost:8090/feed7.ffm  -map 0:7 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:4000':
    
 Duration: N/A, start: 14580.980000, bitrate: 768 kb/s
    
 Program 1
    
Metadata:
    
  service_name    : STREAM1
    
  service_provider: RAL
    
Stream #0:0[0x101]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
Program 2
    
Metadata:
    
  service_name    : STREAM2
    
  service_provider: RAL
    
Stream #0:1[0x111]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
Program 3
    
Metadata:
    
  service_name    : STREAM3
    
  service_provider: RAL
    
Stream #0:2[0x121]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
  Program 4
    
  Metadata:
    
  service_name    : STREAM4
    
  service_provider: RAL
    
Stream #0:3[0x131]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
Program 5
    
Metadata:
    
  service_name    : STREAM5
    
  service_provider: RAL
    
Stream #0:4[0x141]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
Program 6
    
Metadata:
    
  service_name    : STREAM6
    
  service_provider: RAL
    
Stream #0:5[0x151]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
Program 7
    
Metadata:
    
  service_name    : STREAM7
    
  service_provider: RAL
    
Stream #0:6[0x161]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 96 kb/s
    
Program 8
    
Metadata:
    
  service_name    : STREAM8
    
  service_provider: RAL
    
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, 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 -> #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
    
size=      72kB time=00:00:07.66 bitrate=  76.9kbits/s speed=2.68x
    
video:0kB audio:480kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
    
Exiting normally, received signal 2.

    these are my live feeds.

    <feed>
    

    

    
File /tmp/feed2.ffm
    
FileMaxSize 64M
    

    
ACL allow 127.0.0.1
    

    
</feed>
    

    
<feed>
    

    

    
  File /tmp/feed3.ffm
    
  FileMaxSize 64M
    

    
  ACL allow 127.0.0.1
    

    
</feed>
    

    

    
<feed>
    

    

    
  File /tmp/feed4.ffm
    
  FileMaxSize 64M
    

    
  ACL allow 127.0.0.1
    

    
</feed>

    these are my stream

    MP3 audio

    <stream>
    
Feed feed1.ffm
    
Format mp2
    
#AudioCodec mp3
    
AudioBitRate 64
    
AudioChannels 2
    
AudioSampleRate 44100
    
NoVideo
    
</stream>
    

    
<stream>
    
Feed feed2.ffm
    
Format mp2
    
#AudioCodec mp3
    
AudioBitRate 64
    
AudioChannels 2
    
AudioSampleRate 44100
    
NoVideo
    
</stream>
    

    
<stream>
    
Feed feed3.ffm
    
Format mp2
    
#AudioCodec mp3
    
AudioBitRate 64
    
AudioChannels 2
    
AudioSampleRate 44100
    
NoVideo
    
</stream>

  • Streaming - How do you re-encode a twitch stream into a live hls-stream with custom framerate, codec, and resolution using ffmpeg ? [closed]

    17 février 2017, par shayan

    For example I could receive a twitch 720p/60fps (I have the link to the .m3u8 file) stream and encode it down to 360p/60fps for live viewing. I have used ffmpeg and youtube-dl for simple tasks but i don’t know how I can achieve this.

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