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  • Supporting all media types

    13 avril 2011, par

    Unlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats : images : png, gif, jpg, bmp and more audio : MP3, Ogg, Wav and more video : AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data : OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)

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    22 février 2011, par

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Sur d’autres sites (10977)

  • avcodec/pcm_rechunk_bsf : assert that in_pkt is empty after merging its data into...

    17 avril 2023, par James Almer
    avcodec/pcm_rechunk_bsf : assert that in_pkt is empty after merging its data into out_pkt

    If it's not empty here, then a leak would ocurr immediately after.
    

    Signed-off-by : James Almer <jamrial@gmail.com>
    • [DH] libavcodec/pcm_rechunk_bsf.c

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  • FFmpeg stdin "output file is empty, nothing was encoded"

    2 février 2023, par brock

    Just trying to stdin and stdout a simple CAF to MP3 conversion. Output looks exactly the same except using stdin does not encode anything. Windows 10. I'm going bananas here. Please advise.

    &#xA;

    Using - (stdin)...

    &#xA;

    >type test.caf | ffmpeg -i - -f mp3 - > test.mp3&#xA;ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers&#xA;  built with gcc 9.1.1 (GCC) 20190807&#xA;  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt&#xA;  libavutil      56. 31.100 / 56. 31.100&#xA;  libavcodec     58. 54.100 / 58. 54.100&#xA;  libavformat    58. 29.100 / 58. 29.100&#xA;  libavdevice    58.  8.100 / 58.  8.100&#xA;  libavfilter     7. 57.100 /  7. 57.100&#xA;  libswscale      5.  5.100 /  5.  5.100&#xA;  libswresample   3.  5.100 /  3.  5.100&#xA;  libpostproc    55.  5.100 / 55.  5.100&#xA;Guessed Channel Layout for Input Stream #0.0 : stereo&#xA;Input #0, caf, from &#x27;pipe:&#x27;:&#xA;  Metadata:&#xA;    approximate duration in seconds: 3.1&#xA;    source bit depth: I16&#xA;  Duration: N/A, start: 0.000000, bitrate: N/A&#xA;    Stream #0:0: Audio: adpcm_ima_qt (ima4 / 0x34616D69), 48000 Hz, stereo, s16p, 384 kb/s&#xA;Stream mapping:&#xA;  Stream #0:0 -> #0:0 (adpcm_ima_qt (native) -> mp3 (libmp3lame))&#xA;Output #0, mp3, to &#x27;pipe:&#x27;:&#xA;  Metadata:&#xA;    approximate duration in seconds: 3.1&#xA;    source bit depth: I16&#xA;    TSSE            : Lavf58.29.100&#xA;    Stream #0:0: Audio: mp3 (libmp3lame), 48000 Hz, stereo, s16p&#xA;    Metadata:&#xA;      encoder         : Lavc58.54.100 libmp3lame&#xA;size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x&#xA;video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown&#xA;Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)&#xA;

    &#xA;

    Using -i...

    &#xA;

    >ffmpeg -i test.caf -f mp3 - > test.mp3&#xA;ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers&#xA;  built with gcc 9.1.1 (GCC) 20190807&#xA;  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt&#xA;  libavutil      56. 31.100 / 56. 31.100&#xA;  libavcodec     58. 54.100 / 58. 54.100&#xA;  libavformat    58. 29.100 / 58. 29.100&#xA;  libavdevice    58.  8.100 / 58.  8.100&#xA;  libavfilter     7. 57.100 /  7. 57.100&#xA;  libswscale      5.  5.100 /  5.  5.100&#xA;  libswresample   3.  5.100 /  3.  5.100&#xA;  libpostproc    55.  5.100 / 55.  5.100&#xA;Guessed Channel Layout for Input Stream #0.0 : stereo&#xA;Input #0, caf, from &#x27;test.caf&#x27;:&#xA;  Metadata:&#xA;    approximate duration in seconds: 3.1&#xA;    source bit depth: I16&#xA;  Duration: N/A, start: 0.000000, bitrate: N/A&#xA;    Stream #0:0: Audio: adpcm_ima_qt (ima4 / 0x34616D69), 48000 Hz, stereo, s16p, 384 kb/s&#xA;Stream mapping:&#xA;  Stream #0:0 -> #0:0 (adpcm_ima_qt (native) -> mp3 (libmp3lame))&#xA;Press [q] to stop, [?] for help&#xA;Output #0, mp3, to &#x27;pipe:&#x27;:&#xA;  Metadata:&#xA;    approximate duration in seconds: 3.1&#xA;    source bit depth: I16&#xA;    TSSE            : Lavf58.29.100&#xA;    Stream #0:0: Audio: mp3 (libmp3lame), 48000 Hz, stereo, s16p&#xA;    Metadata:&#xA;      encoder         : Lavc58.54.100 libmp3lame&#xA;size=      49kB time=00:00:03.12 bitrate= 129.3kbits/s speed=34.4x&#xA;video:0kB audio:49kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.246501%&#xA;

    &#xA;

    EDIT : Command syntax is ok. Works as expected with a WAV file. I upgraded FFmpeg now I get errors using stdin. So it is the file that is to blame. However, I do find it odd that using -i is fine, but stdin is not.

    &#xA;

    >ffmpeg -i - -f mp3 - > test.mp3 &lt; test.caf&#xA;ffmpeg version 5.1.2-full_build-www.gyan.dev Copyright (c) 2000-2022 the FFmpeg developers&#xA;  built with gcc 12.1.0 (Rev2, Built by MSYS2 project)&#xA;  configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libaribb24 --enable-libdav1d --enable-libdavs2 --enable-libuavs3d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libaom --enable-libjxl --enable-libopenjpeg --enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libshaderc --enable-vulkan --enable-libplacebo --enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint&#xA;  libavutil      57. 28.100 / 57. 28.100&#xA;  libavcodec     59. 37.100 / 59. 37.100&#xA;  libavformat    59. 27.100 / 59. 27.100&#xA;  libavdevice    59.  7.100 / 59.  7.100&#xA;  libavfilter     8. 44.100 /  8. 44.100&#xA;  libswscale      6.  7.100 /  6.  7.100&#xA;  libswresample   4.  7.100 /  4.  7.100&#xA;  libpostproc    56.  6.100 / 56.  6.100&#xA;[caf @ 0000023dc65b1140] skipping CAF chunk: 00000000 ([0][0][0][0]), size 0&#xA;    Last message repeated 324 times&#xA;[caf @ 0000023dc65b1140] skipping CAF chunk: 00000000 ([0][0][0][0]), size 431131746560&#xA;[caf @ 0000023dc65b1140] skipping CAF chunk: 00000000 ([0][0][0][0]), size 173911953188585728&#xA;[caf @ 0000023dc65b1140] skipping CAF chunk: 00FFFF02 ([0][255][255][2]), size -7250317618881344622&#xA;pipe:: Invalid data found when processing input&#xA;

    &#xA;

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