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ffmpeg - 无法使用 ffmpeg 下载 m3u8

问题描述

我想使用 ffmpeg 命令从 m3u8 链接下载 mp4。

ffmpeg -i https://hls.mediacdn.vn/vtv/2019/4/7/0704sao-mai-1554652229269816114782-af6d9.mp4/master.m3u8 -c copy -bsf:a aac_adtstoasc output1.mp4

但是加载第一个段时发生错误

https://hls.mediacdn.vn/vtv/2019/4/7/0704sao-mai-1554652229269816114782-af6d9.mp4/720/seg-1-v1-a1.ts?v=664e3521

https://hls.mediacdn.vn/vtv/2019/4/7/0704sao-mai-1554652229269816114782-af6d9.mp4/master.m3u8: Invalid data found when processing input

有人帮我解决我的问题。谢谢！

完整的命令

ffmpeg -i https://hls.mediacdn.vn/vtv/2019/4/7/0704sao-mai-1554652229269816114782-af6d9.mp4/master.m3u8 -c copy -bsf:a aac_adtstoasc output2.mp4ffmpeg version 4.1.1-0york1~16.04 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.11) 20160609
  configuration: --prefix=/usr --extra-version='0york1~16.04' --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-nonfree --enable-libfdk-aac --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
  libavutil      56. 22.100 / 56. 22.100
  libavcodec     58. 35.100 / 58. 35.100
  libavformat    58. 20.100 / 58. 20.100
  libavdevice    58.  5.100 / 58.  5.100
  libavfilter     7. 40.101 /  7. 40.101
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  3.100 /  5.  3.100
  libswresample   3.  3.100 /  3.  3.100
  libpostproc    55.  3.100 / 55.  3.100
[hls,applehttp @ 0x56551c942500] Opening 'https://hls.mediacdn.vn/vtv/2019/4/7/0704sao-mai-1554652229269816114782-af6d9.mp4/720.m3u8?v=664e3521' for reading
[https @ 0x56551cd51280] Opening 'https://hls.mediacdn.vn/vtv/2019/4/7/0704sao-mai-1554652229269816114782-af6d9.mp4/480.m3u8?v=3f40a361' for reading
[https @ 0x56551cd51280] Opening 'https://hls.mediacdn.vn/vtv/2019/4/7/0704sao-mai-1554652229269816114782-af6d9.mp4/360.m3u8?v=aefcb682' for reading
[https @ 0x56551cd51280] Opening 'https://hls.mediacdn.vn/vtv/2019/4/7/0704sao-mai-1554652229269816114782-af6d9.mp4/240.m3u8?v=bda86a2a' for reading
[https @ 0x56551cd51280] Opening 'https://hls.mediacdn.vn/vtv/2019/4/7/0704sao-mai-1554652229269816114782-af6d9.mp4/144.m3u8?v=431e8038' for reading
[hls,applehttp @ 0x56551c942500] Opening 'https://kms.sohatv.vn/drm/55ceb3f8-4675-454a-bfc8-96cb04bbae8f.key' for reading
[hls,applehttp @ 0x56551c942500] Opening 'crypto+https://hls.mediacdn.vn/vtv/2019/4/7/0704sao-mai-1554652229269816114782-af6d9.mp4/720/seg-1-v1-a1.ts?v=664e3521' for reading
[hls,applehttp @ 0x56551c942500] Error when loading first segment 'https://hls.mediacdn.vn/vtv/2019/4/7/0704sao-mai-1554652229269816114782-af6d9.mp4/720/seg-1-v1-a1.ts?v=664e3521'
https://hls.mediacdn.vn/vtv/2019/4/7/0704sao-mai-1554652229269816114782-af6d9.mp4/master.m3u8: Invalid data found when processing input

标签： ffmpeg

解决方案

流被加密，密钥以模糊格式编码。ffmepg 将无法解密流。

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