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    26 avril 2011, par

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  • Converting mp4 audio & video for HTML5

    10 janvier 2020, par Crayzzit

    So I have two files. frag_bunny.mp4 and raw.mp4 (you can download them in a tar on my Google drive). The frag_bunny.mp4 works perfectly when I use it with the MediaSource’s JavaScript API. But it’s not the case with raw.mp4, why is that ?

    Here’s the mediainfo of frag_bunny.mp4 :

    General
    Complete name                            : frag_bunny.mp4
    Format                                   : MPEG-4
    Format profile                           : Base Media / Version 2
    Codec ID                                 : mp42 (mp42/avc1/iso5)
    File size                                : 5.27 MiB
    Duration                                 : 1 min 0 s
    Overall bit rate                         : 734 kb/s

    Video
    ID                                       : 2
    Format                                   : AVC
    Format/Info                              : Advanced Video Codec
    Format profile                           : Baseline@L3
    Format settings                          : 2 Ref Frames
    Format settings, CABAC                   : No
    Format settings, ReFrames                : 2 frames
    Format settings, GOP                     : M=1, N=64
    Codec ID                                 : avc1
    Codec ID/Info                            : Advanced Video Coding
    Duration                                 : 1 min 0 s
    Bit rate                                 : 613 kb/s
    Width                                    : 640 pixels
    Height                                   : 360 pixels
    Display aspect ratio                     : 16:9
    Frame rate mode                          : Variable
    Frame rate                               : 23.976 (23976/1000) FPS
    Minimum frame rate                       : 7.317 FPS
    Maximum frame rate                       : 24.000 FPS
    Color space                              : YUV
    Chroma subsampling                       : 4:2:0
    Bit depth                                : 8 bits
    Scan type                                : Progressive
    Bits/(Pixel*Frame)                       : 0.111
    Stream size                              : 4.39 MiB (83%)
    Language                                 : English
    Color range                              : Limited
    Color primaries                          : BT.601 NTSC
    Transfer characteristics                 : BT.709
    Matrix coefficients                      : BT.601

    Audio
    ID                                       : 1
    Format                                   : AAC
    Format/Info                              : Advanced Audio Codec
    Format profile                           : LC
    Codec ID                                 : mp4a-40-2
    Duration                                 : 1 min 0 s
    Bit rate mode                            : Constant
    Bit rate                                 : 64.0 kb/s
    Channel(s)                               : 2 channels
    Channel positions                        : Front: L R
    Sampling rate                            : 22.05 kHz
    Frame rate                               : 21.533 FPS (1024 SPF)
    Compression mode                         : Lossy
    Stream size                              : 478 KiB (9%)
    Language                                 : English

    Other #1
    ID                                       : 3
    Type                                     : Hint
    Format                                   : RTP
    Codec ID                                 : rtp
    Duration                                 : 1 min 0 s
    Language                                 : English

    Other #2
    ID                                       : 4
    Type                                     : Hint
    Format                                   : RTP
    Codec ID                                 : rtp
    Duration                                 : 1 min 0 s
    Language                                 : English

    And same for raw.mp4 :

    General
    Complete name                            : raw.mp4
    Format                                   : MPEG-4
    Format profile                           : Base Media / Version 2
    Codec ID                                 : mp42 (isom/iso2/avc1/mp41)
    File size                                : 16.9 MiB
    Duration                                 : 3 min 32 s
    Overall bit rate                         : 668 kb/s
    Writing application                      : Lavf57.83.100

    Video
    ID                                       : 1
    Format                                   : AVC
    Format/Info                              : Advanced Video Codec
    Format profile                           : High@L3
    Format settings                          : CABAC / 4 Ref Frames
    Format settings, CABAC                   : Yes
    Format settings, ReFrames                : 4 frames
    Codec ID                                 : avc1
    Codec ID/Info                            : Advanced Video Coding
    Duration                                 : 3 min 32 s
    Bit rate                                 : 532 kb/s
    Width                                    : 640 pixels
    Height                                   : 360 pixels
    Display aspect ratio                     : 16:9
    Frame rate mode                          : Constant
    Frame rate                               : 25.000 FPS
    Color space                              : YUV
    Chroma subsampling                       : 4:2:0
    Bit depth                                : 8 bits
    Scan type                                : Progressive
    Bits/(Pixel*Frame)                       : 0.092
    Stream size                              : 13.4 MiB (80%)
    Writing library                          : x264 core 152 r2854 e9a5903
    Encoding settings                        : cabac=1 / ref=3 / deblock=1:0:0 / analyse=0x3:0x113 / me=hex / subme=7 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=6 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=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 / scenecut=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

    Audio
    ID                                       : 2
    Format                                   : AAC
    Format/Info                              : Advanced Audio Codec
    Format profile                           : LC
    Codec ID                                 : mp4a-40-2
    Duration                                 : 3 min 32 s
    Bit rate mode                            : Constant
    Bit rate                                 : 132 kb/s
    Channel(s)                               : 2 channels
    Channel positions                        : Front: L R
    Sampling rate                            : 44.1 kHz
    Frame rate                               : 43.066 FPS (1024 SPF)
    Compression mode                         : Lossy
    Stream size                              : 3.30 MiB (20%)
    Default                                  : Yes
    Alternate group                          : 1
  • Popen.write - operation on closed file | images to video using FFmpeg

    10 juin 2014, par f.rodrigues

    I’m trying to create a video file from images from my webcam(using SimpleCV), the images are converted to PIL format and then tostring() [rawformat]

    I’m using python subprocess and Popen to create the video using the FFmpeg.

    I can pipe the one image to the FFmpeg and make a video out of it
    But when I try to do a bunch of them I get a error :

    ValueError: I/O operation on closed file

    here’s my code.

    import subprocess as sp
    from SimpleCV import *
    from Image import Image

    FFMPEG_BIN = "ffmpeg.exe"

    img = Camera().getImage().toRGB()


    command = [FFMPEG_BIN, '-y',  # (optional) overwrite output file if it exists
              '-f', 'rawvideo', '-vcodec', 'rawvideo', '-s', '%sx%s'%(img.width,img.height),  # size of one frame
              '-pix_fmt', 'rgb24', '-r', '24',  # frames per second
              '-i', '-',  # The imput comes from a pipe
              '-an',  # Tells FFMPEG not to expect any audio
              '-vcodec', 'libx264rgb',
              'my_output_videofile.mp4']


    pipe = sp.Popen(command, stdin=sp.PIPE)#, stderr=sp.PIPE)


    for n in xrange(10):
       img = Camera().getImage().toRGB().getPIL().tostring()
       pipe.stdin.write(img)


    pipe.terminate()

    It’s wierd because the pipe.terminate() is in the end of the code, and it should close the file right away.

    EDIT :
    Removed the stderr

     ffmpeg version N-63208-gbe1fbc0 Copyright (c) 2000-2014 the FFmpeg developers
     built on May 17 2014 01:30:26 with gcc 4.8.2 (GCC)
     configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib
     --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray
     --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug
     --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus
     --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame
     --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx
     --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid
     --enable-decklink --enable-zlib
     libavutil      52. 83.100 / 52. 83.100
     libavcodec     55. 62.100 / 55. 62.100
     libavformat    55. 38.100 / 55. 38.100
     libavdevice    55. 13.101 / 55. 13.101
     libavfilter     4.  5.100 /  4.  5.100
     libswscale      2.  6.100 /  2.  6.100
     libswresample   0. 19.100 /  0. 19.100
     libpostproc    52.  3.100 / 52.  3.100
    Input #0, rawvideo, from 'pipe:':
     Duration: N/A, start: 0.000000, bitrate: 44236 kb/s
       Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24, 320x240, 44236 kb/s, 24 tbr, 24 tbn, 24 tbc
    No pixel format specified, rgb24 for H.264 encoding chosen.
    Use -pix_fmt yuv420p for compatibility with outdated media players.
    [libx264rgb @ 0000000000359de0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
    [libx264rgb @ 0000000000359de0] profile High 4:4:4 Predictive, level 1.3, 4:4:4 8-bit
    [libx264rgb @ 0000000000359de0] 264 - core 142 r2431 ac76440 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 -
    http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1
    psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1
    chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=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=24 scenecut=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 'my_output_videofile.mp4':
     Metadata:
       encoder         : Lavf55.38.100
       Stream #0:0: Video: h264 (libx264rgb) ([33][0][0][0] / 0x0021), rgb24, 320x240, q=-1--1, 12288 tbn, 24 tbc
    Stream mapping:
     Stream #0:0 -> #0:0 (rawvideo -> libx264rgb)
    frame=    7 fps=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
  • ffmpeg only processes first image

    8 septembre 2020, par Michael Price

    I have a directory of .png images (I had previously tried .jpg until I read somewhere ffmpeg prefers .png).

    


    The images share a file numbering format cof000.png - cof358.png.

    


    I want to convert those images into a moving picture format. MPG or MP4 will be fine.

    


    The command I have tried is

    


    ffmpeg.exe -framerate 25 -i cof%03d.png -r 6 output.mp4


    


    I adapted the command from this post, here :

    


    https://stackoverflow.com/questions/53778503/ffmpeg-video-slideshow-only-takes-first-image


    


    Even after trying numerous different permutations of the command the final file only has the first image in it. I am using windows.

    


    What ffmpeg command do I need to use on Windows to compile all 180 image files into a single moving image ?

    


    Here is the output from using the command :

    


    $ ffmpeg.exe -framerate 25 -i cof%03d.png -r 6 output.mp4
ffmpeg version 4.3 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 9.3.1 (GCC) 20200621
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enabl
e-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enab
le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enabl
e-libsrt --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-l
ibvmaf --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom
--enable-libgsm --disable-w32threads --enable-libmfx --enable-ffnvcodec --enable-cuda-llvm --enable-cuvid --enable-d3d11
va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
  libavutil      56. 51.100 / 56. 51.100
  libavcodec     58. 91.100 / 58. 91.100
  libavformat    58. 45.100 / 58. 45.100
  libavdevice    58. 10.100 / 58. 10.100
  libavfilter     7. 85.100 /  7. 85.100
  libswscale      5.  7.100 /  5.  7.100
  libswresample   3.  7.100 /  3.  7.100
  libpostproc    55.  7.100 / 55.  7.100
Input #0, image2, from 'cof%03d.png':
  Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
    Stream #0:0: Video: png, rgb24(pc), 1200x1200 [SAR 2834:2834 DAR 1:1], 25 tbr, 25 tbn, 25 tbc
File 'output.mp4' already exists. Overwrite? [y/N] y
Stream mapping:
  Stream #0:0 -> #0:0 (png (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[libx264 @ 000001f7da6985c0] using SAR=1/1
[libx264 @ 000001f7da6985c0] using cpu capabilities: MMX2 SSE2Fast LZCNT SSSE3 SSE4.2
[libx264 @ 000001f7da6985c0] profile High 4:4:4 Predictive, level 4.0, 4:4:4, 8-bit
[libx264 @ 000001f7da6985c0] 264 - core 160 - H.264/MPEG-4 AVC codec - Copyleft 2003-2020 - http://www.videolan.org/x264
.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_rang
e=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=4 threads=6 lookahead_threads=1 s
liced_threads=0 nr=0 decimate=1 interlaced=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=6 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbt
ree=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 'output.mp4':
  Metadata:
    encoder         : Lavf58.45.100
    Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv444p, 1200x1200 [SAR 1:1 DAR 1:1], q=-1--1, 6 fps, 12288
tbn, 6 tbc
    Metadata:
      encoder         : Lavc58.91.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
frame=    1 fps=0.0 q=23.0 Lsize=      26kB time=00:00:00.00 bitrate=2662518.5kbits/s speed=0.000541x
video:26kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 3.137195%
[libx264 @ 000001f7da6985c0] frame I:1     Avg QP:16.42  size: 25465
[libx264 @ 000001f7da6985c0] mb I  I16..4:  2.1% 85.2% 12.7%
[libx264 @ 000001f7da6985c0] 8x8 transform intra:85.2%
[libx264 @ 000001f7da6985c0] coded y,u,v intra: 9.1% 0.9% 1.0%
[libx264 @ 000001f7da6985c0] i16 v,h,dc,p: 42% 39% 19%  0%
[libx264 @ 000001f7da6985c0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 36% 11% 52%  0%  0%  0%  0%  0%  0%
[libx264 @ 000001f7da6985c0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 39% 17% 13%  5%  4%  6%  6%  6%  5%
[libx264 @ 000001f7da6985c0] kb/s:1222.32