我尝试将许多 tvheadend http 流“复制”到多播 udp 流
结果应该包含所有流：视频、音频和字幕（尤其是 epg）……最好不需要转码
我的示例源流：
# ffprobe http://10.10.2.170:9981/stream/channelnumber/1001
ffprobe version 3.4.6-0ubuntu0.18.04.1 Copyright (c) 2007-2019 the FFmpeg developers
built with gcc 7 (Ubuntu 7.3.0-16ubuntu3)
configuration: --prefix=/usr --extra-version=0ubuntu0.18.04.1 --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-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --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-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
libavutil 55. 78.100 / 55. 78.100
libavcodec 57.107.100 / 57.107.100
libavformat 57. 83.100 / 57. 83.100
libavdevice 57. 10.100 / 57. 10.100
libavfilter 6.107.100 / 6.107.100
libavresample 3. 7. 0 / 3. 7. 0
libswscale 4. 8.100 / 4. 8.100
libswresample 2. 9.100 / 2. 9.100
libpostproc 54. 7.100 / 54. 7.100
[h264 @ 0x55a817a25e60] SPS unavailable in decode_picture_timing
[h264 @ 0x55a817a25e60] non-existing PPS 0 referenced
[h264 @ 0x55a817a25e60] SPS unavailable in decode_picture_timing
[h264 @ 0x55a817a25e60] non-existing PPS 0 referenced
[h264 @ 0x55a817a25e60] decode_slice_header error
[h264 @ 0x55a817a25e60] no frame!
....
[h264 @ 0x55a817a25e60] SPS unavailable in decode_picture_timing
[h264 @ 0x55a817a25e60] non-existing PPS 0 referenced
[h264 @ 0x55a817a25e60] SPS unavailable in decode_picture_timing
[h264 @ 0x55a817a25e60] non-existing PPS 0 referenced
[h264 @ 0x55a817a25e60] decode_slice_header error
[h264 @ 0x55a817a25e60] no frame!
Input #0, mpegts, from 'http://10.10.2.170:9981/stream/channelnumber/1001':
Duration: N/A, start: 19831.703344, bitrate: N/A
Program 10301
Metadata:
service_name : Das Erste HD
service_provider: ARD
Stream #0:0[0x13ed]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], 50 fps, 50 tbr, 90k tbn, 100 tbc
Stream #0:1[0x13ee](deu): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 256 kb/s
Stream #0:2[0x13ef](mis): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 256 kb/s
Stream #0:3[0x13f0](deu): Subtitle: dvb_teletext ([6][0][0][0] / 0x0006)
Stream #0:4[0x13f1](deu): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006) (hearing impaired)
Stream #0:5[0x13f2](deu): Audio: ac3 ([6][0][0][0] / 0x0006), 48000 Hz, stereo, fltp, 448 kb/s
我的命令：
# ffmpeg -re -i http://10.10.2.170:9981/stream/channelnumber/1001 -vcodec copy -acodec copy -f mpegts udp://239.239.239.1:1234
ffmpeg version 3.4.6-0ubuntu0.18.04.1 Copyright (c) 2000-2019 the FFmpeg developers
built with gcc 7 (Ubuntu 7.3.0-16ubuntu3)
configuration: --prefix=/usr --extra-version=0ubuntu0.18.04.1 --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-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --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-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
libavutil 55. 78.100 / 55. 78.100
libavcodec 57.107.100 / 57.107.100
libavformat 57. 83.100 / 57. 83.100
libavdevice 57. 10.100 / 57. 10.100
libavfilter 6.107.100 / 6.107.100
libavresample 3. 7. 0 / 3. 7. 0
libswscale 4. 8.100 / 4. 8.100
libswresample 2. 9.100 / 2. 9.100
libpostproc 54. 7.100 / 54. 7.100
[h264 @ 0x5628ad1df6e0] SPS unavailable in decode_picture_timing
[h264 @ 0x5628ad1df6e0] non-existing PPS 0 referenced
[h264 @ 0x5628ad1df6e0] SPS unavailable in decode_picture_timing
[h264 @ 0x5628ad1df6e0] non-existing PPS 0 referenced
[h264 @ 0x5628ad1df6e0] decode_slice_header error
[h264 @ 0x5628ad1df6e0] no frame!
...
[h264 @ 0x5628ad1df6e0] SPS unavailable in decode_picture_timing
[h264 @ 0x5628ad1df6e0] non-existing PPS 0 referenced
[h264 @ 0x5628ad1df6e0] SPS unavailable in decode_picture_timing
[h264 @ 0x5628ad1df6e0] non-existing PPS 0 referenced
[h264 @ 0x5628ad1df6e0] decode_slice_header error
[h264 @ 0x5628ad1df6e0] no frame!
Input #0, mpegts, from 'http://10.10.2.170:9981/stream/channelnumber/1001':
Duration: N/A, start: 19980.503344, bitrate: N/A
Program 10301
Metadata:
service_name : Das Erste HD
service_provider: ARD
Stream #0:0[0x13ed]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], 50 fps, 50 tbr, 90k tbn, 100 tbc
Stream #0:1[0x13ee](deu): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 256 kb/s
Stream #0:2[0x13ef](mis): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 256 kb/s
Stream #0:3[0x13f0](deu): Subtitle: dvb_teletext ([6][0][0][0] / 0x0006)
Stream #0:4[0x13f1](deu): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006) (hearing impaired)
Stream #0:5[0x13f2](deu): Audio: ac3 ([6][0][0][0] / 0x0006), 48000 Hz, stereo, fltp, 448 kb/s
Output #0, mpegts, to 'udp://239.239.239.1:1234':
Metadata:
encoder : Lavf57.83.100
Stream #0:0: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 50 fps, 50 tbr, 90k tbn, 90k tbc
Stream #0:1(deu): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 256 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
[mpegts @ 0x5628ad1d08e0] PES packet size mismatch:00:08.59 bitrate=7046.5kbits/s speed= 1x
key function= 49 q=-1.0 size= 101907kB time=00:01:55.39 bitrate=7234.6kbits/s speed= 1x
...以及我无法使用的结果：
来自 udp 流的 ffprobe：
# ffprobe udp://@239.239.239.1:1234
ffprobe version 3.4.6-0ubuntu0.18.04.1 Copyright (c) 2007-2019 the FFmpeg developers
built with gcc 7 (Ubuntu 7.3.0-16ubuntu3)
configuration: --prefix=/usr --extra-version=0ubuntu0.18.04.1 --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-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --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-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
libavutil 55. 78.100 / 55. 78.100
libavcodec 57.107.100 / 57.107.100
libavformat 57. 83.100 / 57. 83.100
libavdevice 57. 10.100 / 57. 10.100
libavfilter 6.107.100 / 6.107.100
libavresample 3. 7. 0 / 3. 7. 0
libswscale 4. 8.100 / 4. 8.100
libswresample 2. 9.100 / 2. 9.100
libpostproc 54. 7.100 / 54. 7.100
[h264 @ 0x556ead7845a0] SPS unavailable in decode_picture_timing
[h264 @ 0x556ead7845a0] non-existing PPS 0 referenced
[h264 @ 0x556ead7845a0] SPS unavailable in decode_picture_timing
[h264 @ 0x556ead7845a0] non-existing PPS 0 referenced
[h264 @ 0x556ead7845a0] decode_slice_header error
[h264 @ 0x556ead7845a0] no frame!
[h264 @ 0x556ead7845a0] SPS unavailable in decode_picture_timing
[h264 @ 0x556ead7845a0] non-existing PPS 0 referenced
[h264 @ 0x556ead7845a0] SPS unavailable in decode_picture_timing
[h264 @ 0x556ead7845a0] non-existing PPS 0 referenced
[h264 @ 0x556ead7845a0] decode_slice_header error
[h264 @ 0x556ead7845a0] no frame!
...
Input #0, mpegts, from 'udp://@239.239.239.1:1234':
Duration: N/A, start: 17.264000, bitrate: N/A
Program 1
Metadata:
service_name : Service01
service_provider: FFmpeg
Stream #0:0[0x100]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], 50 fps, 50 tbr, 90k tbn, 100 tbc
Stream #0:1[0x101](deu): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 256 kb/s
你们中有人能提供建议或提供帮助吗？
非常感谢！