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    25 avril 2011, par

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  • MediaSPIP version 0.1 Beta

    16 avril 2011, par

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    Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...)

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    13 septembre 2013

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Sur d’autres sites (9967)

  • Encoding a readable movie by QuickTime using FFMPEG

    29 juillet 2018, par itamarb

    I’m trying to encode an image sequence using the following command :

    ffmpeg.exe -i %d.png -f mp4 -vcodec h264 test.mp4

    However, QuickTime failed to open this file or sometimes play a black movie, while this movie plays great in VLC player. Any suggestions how to make it play well in QuickTime ?

    Here is the output :

    ffmpeg.exe -i %d.png -f mp4 -vcodec libx264 13.mp4
    ffmpeg version N-49044-g89afa63 Copyright (c) 2000-2013 the FFmpeg developers
     built on Jan 19 2013 20:36:06 with gcc 4.7.2 (GCC)
     configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
    isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
    le-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libg
    sm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --e
    nable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --e
    nable-libspeex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --en
    able-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable
    -libxavs --enable-libxvid --enable-zlib --enable-filter=frei0r
     libavutil      52. 15.100 / 52. 15.100
     libavcodec     54. 89.100 / 54. 89.100
     libavformat    54. 61.101 / 54. 61.101
     libavdevice    54.  3.102 / 54.  3.102
     libavfilter     3. 32.101 /  3. 32.101
     libswscale      2.  2.100 /  2.  2.100
     libswresample   0. 17.102 /  0. 17.102
     libpostproc    52.  2.100 / 52.  2.100
    [image2 @ 0221b940] max_analyze_duration 5000000 reached at 5000000 microseconds

    Input #0, image2, from '%d.png':
     Duration: 00:01:19.36, start: 0.000000, bitrate: N/A
       Stream #0:0: Video: png, rgb24, 639x480, 25 fps, 25 tbr, 25 tbn, 25 tbc
    [libx264 @ 0221edc0] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE
    4.2 AVX
    [libx264 @ 0221edc0] profile High 4:4:4 Predictive, level 3.0, 4:4:4 8-bit
    [libx264 @ 0221edc0] 264 - core 129 r2230 1cffe9f - H.264/MPEG-4 AVC codec - Cop
    yleft 2003-2012 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deb
    lock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 m
    e_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chro
    ma_qp_offset=4 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 in
    terlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b
    _bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecu
    t=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0
    qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
    Output #0, mp4, to '13.mp4':
     Metadata:
       encoder         : Lavf54.61.101
       Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv444p, 639x480, q=-1--1
    , 12800 tbn, 25 tbc
    Stream mapping:
     Stream #0:0 -> #0:0 (png -> libx264)
    Press [q] to stop, [?] for help
    frame=   76 fps=0.0 q=28.0 size=       3kB time=00:00:00.96 bitrate=  22.3kbits/
    frame=  156 fps=155 q=28.0 size=       7kB time=00:00:04.16 bitrate=  14.7kbits/
    frame=  219 fps=145 q=28.0 size=      12kB time=00:00:06.68 bitrate=  14.1kbits/
    frame=  283 fps=141 q=28.0 size=      16kB time=00:00:09.24 bitrate=  14.2kbits/
    frame=  352 fps=140 q=28.0 size=      25kB time=00:00:12.00 bitrate=  17.4kbits/
  • Encoding a readable movie by QuickTime using FFMPEG

    3 octobre 2014, par itamarb

    I’m trying to encode an image sequence using the following command :

    ffmpeg.exe -i %d.png -f mp4 -vcodec h264 test.mp4

    However, QuickTime failed to open this file or sometimes play a black movie, while this movie plays great in VLC player. Any suggestions how to make it play well in QuickTime ?

    Here is the output :

    ffmpeg.exe -i %d.png -f mp4 -vcodec libx264 13.mp4
    ffmpeg version N-49044-g89afa63 Copyright (c) 2000-2013 the FFmpeg developers
     built on Jan 19 2013 20:36:06 with gcc 4.7.2 (GCC)
     configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
    isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
    le-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libg
    sm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --e
    nable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --e
    nable-libspeex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --en
    able-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable
    -libxavs --enable-libxvid --enable-zlib --enable-filter=frei0r
     libavutil      52. 15.100 / 52. 15.100
     libavcodec     54. 89.100 / 54. 89.100
     libavformat    54. 61.101 / 54. 61.101
     libavdevice    54.  3.102 / 54.  3.102
     libavfilter     3. 32.101 /  3. 32.101
     libswscale      2.  2.100 /  2.  2.100
     libswresample   0. 17.102 /  0. 17.102
     libpostproc    52.  2.100 / 52.  2.100
    [image2 @ 0221b940] max_analyze_duration 5000000 reached at 5000000 microseconds

    Input #0, image2, from '%d.png':
     Duration: 00:01:19.36, start: 0.000000, bitrate: N/A
       Stream #0:0: Video: png, rgb24, 639x480, 25 fps, 25 tbr, 25 tbn, 25 tbc
    [libx264 @ 0221edc0] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE
    4.2 AVX
    [libx264 @ 0221edc0] profile High 4:4:4 Predictive, level 3.0, 4:4:4 8-bit
    [libx264 @ 0221edc0] 264 - core 129 r2230 1cffe9f - H.264/MPEG-4 AVC codec - Cop
    yleft 2003-2012 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deb
    lock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 m
    e_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chro
    ma_qp_offset=4 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 in
    terlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b
    _bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecu
    t=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0
    qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
    Output #0, mp4, to '13.mp4':
     Metadata:
       encoder         : Lavf54.61.101
       Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv444p, 639x480, q=-1--1
    , 12800 tbn, 25 tbc
    Stream mapping:
     Stream #0:0 -> #0:0 (png -> libx264)
    Press [q] to stop, [?] for help
    frame=   76 fps=0.0 q=28.0 size=       3kB time=00:00:00.96 bitrate=  22.3kbits/
    frame=  156 fps=155 q=28.0 size=       7kB time=00:00:04.16 bitrate=  14.7kbits/
    frame=  219 fps=145 q=28.0 size=      12kB time=00:00:06.68 bitrate=  14.1kbits/
    frame=  283 fps=141 q=28.0 size=      16kB time=00:00:09.24 bitrate=  14.2kbits/
    frame=  352 fps=140 q=28.0 size=      25kB time=00:00:12.00 bitrate=  17.4kbits/
  • Playback FFmpeg stream through UDP

    11 juillet 2020, par Andrew Raleigh

    I'm using the following command to send ffmpeg data :

    


    ./ffmpeg -i "" -pix_fmt yuv420p -tune zerolatency -preset ultrafast -f mpegts udp://127.0.0.1:23000

    


    I then transmit and receive it to another computer through the srt protocol, and read it back on the end-point.

    


    I play back with .\ffplay.exe -i udp://127.0.0.1:23000 -loglevel 40 and don't see a video. I can see data coming in from WireShark though. This is the log output :

    


    ffplay version N-98438-gc6cdfdf9c3 Copyright (c) 2003-2020 the FFmpeg developers
  built with gcc 10.1.0 (Rev3, Built by MSYS2 project)
  configuration:  --cc='ccache gcc' --cxx='ccache g++' --disable-autodetect --enable-amf --enable-bzlib --enable-cuda --enable-cuvid --enable-d3d11va --enable-dxva2 --enable-iconv --enable-lzma --enable-nvenc --enable-schannel --enable-zlib --enable-sdl2 --enable-ffnvcodec --enable-nvdec --enable-gmp --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libaom --disable-debug --enable-libsrt --extra-libs=-liconv --enable-version3
  libavutil      56. 55.100 / 56. 55.100
  libavcodec     58. 94.100 / 58. 94.100
  libavformat    58. 48.100 / 58. 48.100
  libavdevice    58. 11.101 / 58. 11.101
  libavfilter     7. 87.100 /  7. 87.100
  libswscale      5.  8.100 /  5.  8.100
  libswresample   3.  8.100 /  3.  8.100
Initialized direct3d renderer.
[mpegts @ 000002130b5eae00] Unable to seek back to the startf=0/0

....

[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
    Last message repeated 1 times
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20791500).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20794500).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
    Last message repeated 1 times
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20800500).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.=0/0
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20805000).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
    Last message repeated 1 times
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20809500).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20812500).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
    Last message repeated 2 times
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20820000).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
    Last message repeated 1 times
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20824500).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.=0/0
    Last message repeated 1 times
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20829000).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
    Last message repeated 1 times
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20838000).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
    Last message repeated 1 times
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20842500).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
    Last message repeated 1 times
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20847000).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20853000).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
    Last message repeated 1 times
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20857500).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.=0/0
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20862000).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
    Last message repeated 1 times
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20866500).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20871000).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
    Last message repeated 1 times
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20875500).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
    Last message repeated 1 times
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20880000).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
    Last message repeated 1 times
[mpegts @ 000002130b5eae00] Packet corrupt (stream = 0, dts = 20884500).
[mpeg2video @ 000002130b612300] Invalid frame dimensions 0x0.
    Last message repeated 1 times
[mpegts @ 000002130b5eae00] changing packet size to 204  0B f=0/0
[mpegts @ 000002130b5eae00] changing packet size to 188
[mpegts @ 000002130b5eae00] changing packet size to 204  0B f=0/0
[mpegts @ 000002130b5eae00] changing packet size to 188  0B f=0/0
[mpegts @ 000002130b5eae00] changing packet size to 204  0B f=0/0
[mpegts @ 000002130b5eae00] changing packet size to 188  0B f=0/0


    


    FFPlay and FFProbe both output the above. Usually FFPlay would show the video playing back, but in this case I get nothing. Any thoughts as to why ?