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• What is wrong with the following ffmpeg command

  9 juin 2017, par Brad

  What is wrong with the following ffmpeg command ? Originally this had -sameq instead of the -qscale:a 0

  Command :

  ffmpeg -loglevel debug -threads 4 -i sample-in.mpg -ss 00:00:01 -t 00:00:05 -f image2 -y sample-frames/frame%d.png -acodec copy -qscale:a 0  -y sample.mp3

  ---

  Output

  ffmpeg version 1.2.1 Copyright (c) 2000-2013 the FFmpeg developers
  
    built on Jul  9 2013 04:36:42 with Apple clang version 4.1 (tags/Apple/clang-421.11.66) (based on LLVM 3.1svn)
  
    configuration: --prefix=/usr/local/Cellar/ffmpeg/1.2.1 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --enable-vda --cc=cc --host-cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid --enable-ffplay
  
    libavutil      52. 18.100 / 52. 18.100
  
    libavcodec     54. 92.100 / 54. 92.100
  
    libavformat    54. 63.104 / 54. 63.104
  
    libavdevice    54.  3.103 / 54.  3.103
  
    libavfilter     3. 42.103 /  3. 42.103
  
    libswscale      2.  2.100 /  2.  2.100
  
    libswresample   0. 17.102 /  0. 17.102
  
    libpostproc    52.  2.100 / 52.  2.100
  
  
  
  Splitting the commandline.
  
  Reading option '-loglevel' ... matched as option 'loglevel' (set libav* logging level) with argument 'debug'.
  
  Reading option '-threads' ... matched as AVOption 'threads' with argument '4'.
  
  Reading option '-i' ... matched as input file with argument 'sample-in.mpg'.
  
  Reading option '-ss' ... matched as option 'ss' (set the start time offset) with argument '00:00:01'.
  
  Reading option '-t' ... matched as option 't' (record or transcode "duration" seconds of audio/video) with argument '00:00:05'.
  
  Reading option '-f' ... matched as option 'f' (force format) with argument 'image2'.
  
  Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
  
  Reading option 'sample-frames/frame%d.png' ... matched as output file.
  
  Reading option '-acodec' ... matched as option 'acodec' (force audio codec ('copy' to copy stream)) with argument 'copy'.
  
  Reading option '-qscale:a' ... matched as option 'qscale' (use fixed quality scale (VBR)) with argument '0'.
  
  Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
  
  Reading option 'sample.mp3' ... matched as output file.
  
  Finished splitting the commandline.
  
  Parsing a group of options: global .
  
  Applying option loglevel (set libav* logging level) with argument debug.
  
  Applying option y (overwrite output files) with argument 1.
  
      Last message repeated 1 times
  
  Successfully parsed a group of options.
  
  Parsing a group of options: input file sample-in.mpg.
  
  Successfully parsed a group of options.
  
  Opening an input file: sample-in.mpg.
  
  [mpeg @ 0x7ffb4a80f200] Format mpeg probed with size=16384 and score=52
  
  [mpeg @ 0x7ffb4a80f200] File position before avformat_find_stream_info() is 0
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2500
  
  [mpeg @ 0x7ffb4a80f200] Probe with size=2002, packets=1 detected mpegvideo with score=25
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2499
  
  [mpeg @ 0x7ffb4a80f200] Probe with size=4043, packets=2 detected mpegvideo with score=25
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2498
  
  [mpeg @ 0x7ffb4a80f200] Probe with size=6084, packets=3 detected mpegvideo with score=25
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2497
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2496
  
  [mpeg @ 0x7ffb4a80f200] Probe with size=10166, packets=5 detected mpegvideo with score=25
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2495
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2494
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2493
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2492
  
  [mpeg @ 0x7ffb4a80f200] Probe with size=18330, packets=9 detected mpegvideo with score=25
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2491
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2490
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2489
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2488
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2487
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2486
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2485
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2484
  
  [mpeg @ 0x7ffb4a80f200] Probe with size=34658, packets=17 detected mpegvideo with score=25
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2483
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2482
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2481
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2480
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2479
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2478
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2477
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2476
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2475
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2474
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2473
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2472
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2471
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2470
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2469
  
  [mpeg @ 0x7ffb4a80f200] probing stream 0 pp:2468
  
  [mpeg @ 0x7ffb4a80f200] Probe with size=67266, packets=33 detected mpegvideo with score=51
  
  [mpeg @ 0x7ffb4a80f200] probed stream 0
  
  [mpeg @ 0x7ffb4a80f200] first_dts 86997 not matching first dts 93003 in the queue
  
      Last message repeated 3 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 86997 not matching first dts 108018 in the queue
  
      Last message repeated 3 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 90000 not matching first dts 111600 in the queue
  
      Last message repeated 9 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 90000 not matching first dts 135360 in the queue
  
      Last message repeated 8 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 90000 not matching first dts 156960 in the queue
  
      Last message repeated 9 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 90000 not matching first dts 180720 in the queue
  
      Last message repeated 8 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 90000 not matching first dts 202320 in the queue
  
      Last message repeated 9 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 90000 not matching first dts 226080 in the queue
  
      Last message repeated 8 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 90000 not matching first dts 247680 in the queue
  
      Last message repeated 9 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 90000 not matching first dts 271440 in the queue
  
      Last message repeated 9 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 90000 not matching first dts 295200 in the queue
  
      Last message repeated 8 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 90000 not matching first dts 316800 in the queue
  
      Last message repeated 9 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 90000 not matching first dts 340560 in the queue
  
      Last message repeated 8 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 90000 not matching first dts 362160 in the queue
  
      Last message repeated 9 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 90000 not matching first dts 385920 in the queue
  
      Last message repeated 8 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 90000 not matching first dts 407520 in the queue
  
      Last message repeated 9 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 90000 not matching first dts 431280 in the queue
  
      Last message repeated 8 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 90000 not matching first dts 452880 in the queue
  
      Last message repeated 9 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 90000 not matching first dts 476640 in the queue
  
      Last message repeated 8 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 90000 not matching first dts 498240 in the queue
  
      Last message repeated 9 times
  
  [mpeg @ 0x7ffb4a80f200] first_dts 90000 not matching first dts 522000 in the queue
  
      Last message repeated 9 times
  
  [mpeg @ 0x7ffb4a80f200] max_analyze_duration 5000000 reached at 5005000 microseconds
  
  [mpeg @ 0x7ffb4a80f200] File position after avformat_find_stream_info() is 0
  
  Input #0, mpeg, from 'sample-in.mpg':
  
    Duration: 00:00:05.97, start: 1.000000, bitrate: 6827 kb/s
  
      Stream #0:0[0x1e0], 152, 1/90000: Video: mpeg1video, yuv420p, 704x480 [SAR 200:219 DAR 880:657], 1001/30000, 104857 kb/s, 29.97 fps, 29.97 tbr, 90k tbn, 29.97 tbc
  
      Stream #0:1[0x1c0], 211, 1/90000: Audio: mp2, 48000 Hz, stereo, s16p, 64 kb/s
  
  Successfully opened the file.
  
  Parsing a group of options: output file sample-frames/frame%d.png.
  
  Applying option ss (set the start time offset) with argument 00:00:01.
  
  Applying option t (record or transcode "duration" seconds of audio/video) with argument 00:00:05.
  
  Applying option f (force format) with argument image2.
  
  Successfully parsed a group of options.
  
  Opening an output file: sample-frames/frame%d.png.
  
  Successfully opened the file.
  
  Parsing a group of options: output file sample.mp3.
  
  Applying option acodec (force audio codec ('copy' to copy stream)) with argument copy.
  
  Applying option qscale:a (use fixed quality scale (VBR)) with argument 0.
  
  Successfully parsed a group of options.
  
  Opening an output file: sample.mp3.
  
  Successfully opened the file.
  
  [buffer @ 0x7ffb4a411e40] Setting entry with key 'video_size' to value '704x480'
  
  [buffer @ 0x7ffb4a411e40] Setting entry with key 'pix_fmt' to value '0'
  
  [buffer @ 0x7ffb4a411e40] Setting entry with key 'time_base' to value '1/90000'
  
  [buffer @ 0x7ffb4a411e40] Setting entry with key 'pixel_aspect' to value '200/219'
  
  [buffer @ 0x7ffb4a411e40] Setting entry with key 'sws_param' to value 'flags=2'
  
  [buffer @ 0x7ffb4a411e40] Setting entry with key 'frame_rate' to value '30000/1001'
  
  [graph 0 input from stream 0:0 @ 0x7ffb4a411de0] w:704 h:480 pixfmt:yuv420p tb:1/90000 fr:30000/1001 sar:200/219 sws_param:flags=2
  
  [scale @ 0x7ffb4a414800] Setting 'w' to value '0'
  
  [scale @ 0x7ffb4a414800] Setting 'h' to value '0'
  
  [scale @ 0x7ffb4a414800] Setting 'flags' to value '0x4'
  
  [auto-inserted scaler 0 @ 0x7ffb4a414740] w:0 h:0 flags:'0x4' interl:0
  
  [format @ 0x7ffb4a42aa20] auto-inserting filter 'auto-inserted scaler 0' between the filter 'Parsed_null_0' and the filter 'format'
  
  [auto-inserted scaler 0 @ 0x7ffb4a414740] picking rgb24 out of 7 ref:yuv420p alpha:0
  
  [auto-inserted scaler 0 @ 0x7ffb4a414740] w:704 h:480 fmt:yuv420p sar:200/219 -> w:704 h:480 fmt:rgb24 sar:200/219 flags:0x4
  
  [png @ 0x7ffb4a831000] detected 4 logical cores
  
  [mp3 @ 0x7ffb4a831600] Invalid audio stream. Exactly one MP3 audio stream is required.
  
  Output #0, image2, to 'sample-frames/frame%d.png':
  
    Metadata:
  
      encoder         : Lavf54.63.104
  
      Stream #0:0, 0, 1/90000: Video: png, rgb24, 704x480 [SAR 200:219 DAR 880:657], 1001/30000, q=2-31, 200 kb/s, 90k tbn, 29.97 tbc
  
  Output #1, mp3, to 'sample.mp3':
  
    Metadata:
  
      encoder         : Lavf54.63.104
  
      Stream #1:0, 0, 1/90000: Audio: mp2, 48000 Hz, stereo, 64 kb/s
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (mpeg1video -> png)
  
    Stream #0:1 -> #1:0 (copy)
  
  Could not write header for output file #1 (incorrect codec parameters ?): Invalid argument
  
  Statistics: 4542608 bytes read, 2 seeks

  I found the code above from : http://kwlug.org/node/854
  I did a few edits removing the -sameq and replacing it with -qscale:a 0 which probably is wrong.

• current version of ffmpeg3.3.2 encode twice time of my video,the duration last two times long

  20 juin 2017, par jimmy

  I have a video with 00:01:41.46 play time,and transcode it perfect with ffmpeg-2.1.1,but when I upgrade FFmpeg version to 3.3.2 and compile it with the same compile option and same transcode option as 2.1.1 version used, I got a video with 00:03:21.82 long, I played that video to see what was added after 1:41.46, and find that it just repeat the video from the beginning with no audio, I find out no idea to this issue, it seems to be a bug that FFmpeg introducing, anyone help me !

  here is the log that I had transcoded with ffmpeg 3.3.2 :

  ffmpeg -i natural.mp4 -c:v libx264 -c:a copy output.mp4
  
  ffmpeg version 3.3.2 Copyright (c) 2000-2017 the FFmpeg developers
  
  built with gcc 4.6 (Ubuntu/Linaro 4.6.4-6ubuntu2)
  
  
  
  configuration: --enable-gpl --enable-nonfree --yasmexe=release/bin/yasm -- prefix=release --cc= --enable-static --disable-shared --disable-debug --extra-cflags=-Irelease/include --extra-ldflags='-Lrelease/lib -lm -ldl' --disable-ffplay --disable-ffprobe --disable-ffserver --disable-doc --enable-postproc --enable-bzlib --enable-zlib --enable-parsers --enable-libx264 --enable-libmp3lame --enable-libfdk-aac --enable-libspeex --enable-pthreads --extra->libs=-lpthread --enable-encoders --enable-decoders --enable-avfilter --enable->muxers --enable-demuxers
  
  
  
  libavutil      55. 58.100 / 55. 58.100
  
  libavcodec     57. 89.100 / 57. 89.100
  
  libavformat    57. 71.100 / 57. 71.100
  
  libavdevice    57.  6.100 / 57.  6.100
  
  libavfilter     6. 82.100 /  6. 82.100
  
  libswscale      4.  6.100 /  4.  6.100
  
  libswresample   2.  7.100 /  2.  7.100
  
  libpostproc    54.  5.100 / 54.  5.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'natural.mp4':
  
    Metadata:
  
    major_brand     : mp42
  
    minor_version   : 0
  
    compatible_brands: mp42isom
  
    creation_time   : 2009-07-11T08:32:34.000000Z
  
    encoder         : mp4creator 1.6.1d
  
    Duration: 00:01:41.46, start: 0.000000, bitrate: 9063 kb/s
  
    Stream #0:0(eng): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, 1440x1080 [SAR 4:3 DAR 16:9], 8976 kb/s, 23.98 fps, 23.98 tbr, 90k tbn, 2997 tbc (default)
  
  Metadata:
  
      creation_time   : 2009-07-11T08:32:34.000000Z
  
  Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default)
  
  Metadata:
  
      creation_time   : 2009-07-11T08:33:09.000000Z
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (mpeg4 (native) -> h264 (libx264))
  
    Stream #0:1 -> #0:1 (copy)
  
  Press [q] to stop, [?] for help
  
  [libx264 @ 0x2d951e0] using SAR=4/3
  
  [libx264 @ 0x2d951e0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX AVX2 FMA3 LZCNT BMI2
  
  [libx264 @ 0x2d951e0] profile High, level 4.0
  
  [libx264 @ 0x2d951e0] 264 - core 138 r1+3473M a37a143 - H.264/MPEG-4 AVC codec >- Copyleft 2003-2013 - 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=23 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 'output.mp4':
  
  Metadata:
  
    major_brand     : mp42
  
    minor_version   : 0
  
    compatible_brands: mp42isom
  
    encoder         : Lavf57.71.100
  
  Stream #0:0(eng): Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 1440x1080 [SAR 4:3 DAR 16:9], q=-1--1, 23.98 fps, 24k tbn, 23.98 tbc (default)
  
    Metadata:
  
      creation_time   : 2009-07-11T08:32:34.000000Z
  
      encoder         : Lavc57.89.100 libx264
  
    Side data:
  
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
  
    Stream #0:1(eng): Audio: aac (LC) ([64][0][0][0] / 0x0040), 44100 Hz, stereo, fltp, 125 kb/s (default)
  
    Metadata:
  
      creation_time   : 2009-07-11T08:33:09.000000Z
  
  frame= 4842 fps= 27 q=-1.0 Lsize=  107608kB time=00:03:21.82 
  
  bitrate=4367.8kbits/s speed=1.11x     
  
      video:105973kB audio:1556kB subtitle:0kB other streams:0kB global headers:0kB >muxing overhead: 0.074199%
  
  [libx264 @ 0x2d951e0] frame I:54    Avg QP:19.81  size: 77248
  
  [libx264 @ 0x2d951e0] frame P:3960  Avg QP:22.01  size: 25371
  
  [libx264 @ 0x2d951e0] frame B:828   Avg QP:23.01  size:  4680
  
  [libx264 @ 0x2d951e0] consecutive B-frames: 75.2%  4.6%  4.3% 15.9%
  
  [libx264 @ 0x2d951e0] mb I  I16..4: 17.0% 79.0%  3.9%
  
  [libx264 @ 0x2d951e0] mb P  I16..4:  2.1%  7.8%  0.2%  P16..4: 43.9%  9.7% 6.4%  0.0%  0.0%    skip:29.9%
  
  [libx264 @ 0x2d951e0] mb B  I16..4:  0.2%  1.1%  0.0%  B16..8: 29.2%  1.2%  0.2%  direct: 0.7%  skip:67.3%  L0:49.0% L1:47.7% BI: 3.3%
  
  [libx264 @ 0x2d951e0] 8x8 transform intra:78.1% inter:81.6%
  
  [libx264 @ 0x2d951e0] coded y,uvDC,uvAC intra: 52.3% 66.4% 11.9% inter: 20.5% >24.2% 0.8%
  
  [libx264 @ 0x2d951e0] i16 v,h,dc,p: 32% 22% 28% 18%
  
  [libx264 @ 0x2d951e0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 19% 43%  3%  3%  3%  5%  2%  4%
  
  [libx264 @ 0x2d951e0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 23% 24% 12%  4%  8%  7% 11%  4%  5%
  
  [libx264 @ 0x2d951e0] i8c dc,h,v,p: 50% 23% 23%  4%
  
  [libx264 @ 0x2d951e0] Weighted P-Frames: Y:1.5% UV:0.3%
  
  [libx264 @ 0x2d951e0] ref P L0: 71.9% 17.0%  8.5%  2.5%  0.0%
  
  [libx264 @ 0x2d951e0] ref B L0: 89.7%  9.2%  1.2%
  
  [libx264 @ 0x2d951e0] ref B L1: 97.5%  2.5%
  
  [libx264 @ 0x2d951e0] kb/s:4298.67

  Here is the output when use ffmpeg -i natural.mp4 -c copy out.mp4,the output still last double times long :

  ./ffmpeg -i natural.mp4 -c copy out.mp4
  
  ffmpeg version 3.3.2 Copyright (c) 2000-2017 the FFmpeg developers
  
  built with gcc 4.6 (Ubuntu/Linaro 4.6.4-6ubuntu2)
  
    configuration: --enable-gpl --enable-nonfree --yasmexe=release/bin/yasm --prefix=release --cc= --enable-static --disable-shared --disable-debug --extra-cflags=-Irelease/include --extra-ldflags='-Lrelease/lib -lm -ldl' --disable-ffplay --disable-ffprobe --disable-ffserver --disable-doc --enable-postproc --enable-bzlib --enable-zlib --enable-parsers --enable-libx264 --enable-libmp3lame --enable-libfdk-aac --enable-libspeex --enable-pthreads --extra-libs=-lpthread --enable-encoders --enable-decoders --enable-avfilter --enable-muxers --enable-demuxers
  
    libavutil      55. 58.100 / 55. 58.100
  
    libavcodec     57. 89.100 / 57. 89.100
  
    libavformat    57. 71.100 / 57. 71.100
  
    libavdevice    57.  6.100 / 57.  6.100
  
    libavfilter     6. 82.100 /  6. 82.100
  
    libswscale      4.  6.100 /  4.  6.100
  
    libswresample   2.  7.100 /  2.  7.100
  
    libpostproc    54.  5.100 / 54.  5.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'natural.mp4':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 0
  
      compatible_brands: mp42isom
  
      creation_time   : 2009-07-11T08:32:34.000000Z
  
      encoder         : mp4creator 1.6.1d
  
    Duration: 00:01:41.46, start: 0.000000, bitrate: 9063 kb/s
  
      Stream #0:0(eng): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, 1440x1080 [SAR 4:3 DAR 16:9], 8976 kb/s, 23.98 fps, 23.98 tbr, 90k tbn, 2997 tbc (default)
  
      Metadata:
  
        creation_time   : 2009-07-11T08:32:34.000000Z
  
      Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default)
  
      Metadata:
  
        creation_time   : 2009-07-11T08:33:09.000000Z
  
  Output #0, mp4, to 'out.mp4':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 0
  
      compatible_brands: mp42isom
  
      encoder         : Lavf57.71.100
  
      Stream #0:0(eng): Video: mpeg4 (Simple Profile) ( [0][0][0] / 0x0020), yuv420p, 1440x1080 [SAR 4:3 DAR 16:9], q=2-31, 8976 kb/s, 23.98 fps, 23.98 tbr, 90k tbn, 90k tbc (default)
  
      Metadata:
  
        creation_time   : 2009-07-11T08:32:34.000000Z
  
      Stream #0:1(eng): Audio: aac (LC) ([64][0][0][0] / 0x0040), 44100 Hz, stereo, fltp, 125 kb/s (default)
  
      Metadata:
  
        creation_time   : 2009-07-11T08:33:09.000000Z
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (copy)
  
    Stream #0:1 -> #0:1 (copy)
  
  Press [q] to stop, [?] for help
  
  frame= 4842 fps=2243 q=-1.0 Lsize=  222944kB time=00:03:21.91 
  
  bitrate=9045.4kbits/s speed=93.5x    
  
  video:221299kB audio:1556kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.039627%

  Here is the output what ffmpeg-2.1.1 generate,It’s executed correctly :

  ./ffmpeg -i natural.mp4 -c copy output2.mp4
  
  ffmpeg version 2.1.1 Copyright (c) 2000-2013 the FFmpeg developers
  
    built on Mar 10 2017 13:56:14 with gcc 4.6 (Ubuntu/Linaro 4.6.4-6ubuntu2)
  
    configuration: --enable-gpl --enable-nonfree --yasmexe=release/bin/yasm --prefix=release --cc= --enable-static --disable-shared --disable-debug --extra-cflags='-I${ffmpeg_exported_release_dir}/include' --extra-ldflags='-L${ffmpeg_exported_release_dir}/lib -lm -ldl' --disable-ffplay --disable-ffprobe --disable-ffserver --disable-doc --enable-postproc --enable-bzlib --enable-zlib --enable-parsers --enable-libx264 --enable-libmp3lame --enable-libfdk-aac --enable-libspeex --enable-pthreads --extra-libs=-lpthread --enable-encoders --enable-decoders --enable-avfilter --enable-muxers --enable-demuxers
  
    libavutil      52. 48.101 / 52. 48.101
  
    libavcodec     55. 39.101 / 55. 39.101
  
    libavformat    55. 19.104 / 55. 19.104
  
    libavdevice    55.  5.100 / 55.  5.100
  
    libavfilter     3. 90.100 /  3. 90.100
  
    libswscale      2.  5.101 /  2.  5.101
  
    libswresample   0. 17.104 /  0. 17.104
  
    libpostproc    52.  3.100 / 52.  3.100
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 0x2d2e900] multiple edit list entries, a/v desync might occur, patch welcome
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'natural.mp4':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 0
  
      compatible_brands: mp42isom
  
      creation_time   : 2009-07-11 08:32:34
  
      encoder         : mp4creator 1.6.1d
  
    Duration: 00:01:41.46, start: 0.000000, bitrate: 9063 kb/s
  
      Stream #0:0(eng): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, 1440x1080 [SAR 4:3 DAR 16:9], 8976 kb/s, 23.98 fps, 23.98 tbr, 90k tbn, 2997 tbc (default)
  
      Metadata:
  
        creation_time   : 2009-07-11 08:32:34
  
      Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default)
  
      Metadata:
  
        creation_time   : 2009-07-11 08:33:09
  
  Output #0, mp4, to 'output2.mp4':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 0
  
      compatible_brands: mp42isom
  
      encoder         : Lavf55.19.104
  
      Stream #0:0(eng): Video: mpeg4 ( [0][0][0] / 0x0020), yuv420p, 1440x1080 [SAR 4:3 DAR 16:9], q=2-31, 8976 kb/s, 23.98 fps, 90k tbn, 90k tbc (default)
  
      Metadata:
  
        creation_time   : 2009-07-11 08:32:34
  
      Stream #0:1(eng): Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, stereo, 125 kb/s (default)
  
      Metadata:
  
        creation_time   : 2009-07-11 08:33:09
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (copy)
  
    Stream #0:1 -> #0:1 (copy)
  
  Press [q] to stop, [?] for help
  
  frame= 2421 fps=0.0 q=-1.0 Lsize=  112273kB time=00:01:41.49 bitrate=9062.0kbits/s    
  
  video:110650kB audio:1556kB subtitle:0 global headers:0kB muxing overhead 0.060302%

  Here is the video link

• Media contaner which supports uncompressed audio and video

  21 juin 2017, par Denis Kokorin

  I want to produce uncompressed video and audio programmatically and feed it via stdin to ffmpeg.
  I need uncompressed, because I don’t want to encode video and audio in my code.

  I found here the way to create video only file from uncompressed rgb24 input stream. But I do need to create both video and audio.

  Which container supported by ffmpeg can contain uncompressed video and audio ?