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社区首页 >问答首页 >使用FFMPEG和FFSERVE将UDP实况流解复用为多个单实况流输出

问使用FFMPEG和FFSERVE将UDP实况流解复用为多个单实况流输出
EN

Stack Overflow用户
提问于 2017-02-16 20:34:47
回答 1查看 762关注 0票数 0

我对ffmpeg有点问题。我有一个有8个输入的输入实时流，我想使用ffmpeg将它从udp live steram转换为tcp实况流，然后以不同的方式提取8个输入流中的每一个。

我一直在阅读关于ffmpeg的文档，他们没有提供一个明确的方法来解决我的问题。

我在跑步

代码语言：javascript
复制
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

我运行这个命令来帮助我将我的输入拆分成可以不同方式访问的多个输出。

代码语言：javascript
复制
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

这是我的完整输出

代码语言：javascript
复制
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.

这些是我的实时视频。

代码语言：javascript
复制
<Feed feed2.ffm>


File /tmp/feed2.ffm
FileMaxSize 64M

ACL allow 127.0.0.1

</Feed>

<Feed feed3.ffm>


  File /tmp/feed3.ffm
  FileMaxSize 64M

  ACL allow 127.0.0.1

</Feed>


<Feed feed4.ffm>


  File /tmp/feed4.ffm
  FileMaxSize 64M

  ACL allow 127.0.0.1

</Feed>

这些是我的流

MP3音频

代码语言：javascript
复制
<Stream radio1.mp3>
Feed feed1.ffm
Format mp2
#AudioCodec mp3
AudioBitRate 64
AudioChannels 2
AudioSampleRate 44100
NoVideo
</Stream>

<Stream radio2.mp3>
Feed feed2.ffm
Format mp2
#AudioCodec mp3
AudioBitRate 64
AudioChannels 2
AudioSampleRate 44100
NoVideo
</Stream>

<Stream radio3.mp3>
Feed feed3.ffm
Format mp2
#AudioCodec mp3
AudioBitRate 64
AudioChannels 2
AudioSampleRate 44100
NoVideo
</Stream>
ffmpeg
android-ffmpeg
EN

回答 1

Stack Overflow用户

发布于 2018-03-23 02:34:23

代码语言：javascript
复制
ffmpeg -f dshow -i video="Integrated Webcam" -c:v rawvideo -pix_fmt yuv420p -window_size qcif -f sdl "SDL output"

这对我在Windows上是有效的。

票数 0
EN
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：

https://stackoverflow.com/questions/42274139

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