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  • Two nearly identical ffmpeg commands, one works, the other freezes up

    28 septembre 2015, par dylanjha

    In both of these examples, I’m passing two inputs to ffmpeg applying a filter to the first input, and outputting it all to a .mp4.

    Example 1

    ffmpeg -y -threads 4 -ss 23.536 -t 44.854 -i .tmp/processing/vid-one.webm -ss 13.516 -t 54.874 -i .tmp/processing/vid-two.webm -filter_complex "[0]scale=320:-1,pad=2*iw:2*ih:0:120[left];[1]scale=320:-1[right];[left][right]overlay=main_w/2:120,scale=640:480" -shortest .tmp/processing/temp-23536-68390.mp4

    Example 2

    ffmpeg -y -threads 4 -ss 68.39 -t 3.646 -i .tmp/processing/vid-one.webm -ss 58.37 -t 13.666 -i .tmp/processing/vid-two.webm -filter_complex "[0]scale=320:-1,pad=2*iw:2*ih:0:120[left];[1]scale=320:-1[right];[left][right]overlay=main_w/2:120,scale=640:480" -shortest .tmp/processing/temp-68390-72036.mp4

    In the logging output I can get an idea of where it gets hung up.

    Output Example 1

    the output gets to this frame= line and it updates the output like this

    ffmpeg version 2.7.2 Copyright (c) 2000-2015 the FFmpeg developers
    
  built with Apple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM 3.6.0svn)
    
  configuration: --prefix=/usr/local/Cellar/ffmpeg/2.7.2 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --enable-opencl --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc --enable-libxvid --enable-vda
    
  libavutil      54. 27.100 / 54. 27.100
    
  libavcodec     56. 41.100 / 56. 41.100
    
  libavformat    56. 36.100 / 56. 36.100
    
  libavdevice    56.  4.100 / 56.  4.100
    
  libavfilter     5. 16.101 /  5. 16.101
    
  libavresample   2.  1.  0 /  2.  1.  0
    
  libswscale      3.  1.101 /  3.  1.101
    
  libswresample   1.  2.100 /  1.  2.100
    
  libpostproc    53.  3.100 / 53.  3.100
    
Input #0, matroska,webm, from '.tmp/processing/vid-one.webm':
    
  Metadata:
    
    encoder         : libwebm-0.2.1.0
    
    creation_time   : 2015-09-27 18:54:09
    
  Duration: 00:01:10.35, start: 0.000000, bitrate: 45 kb/s
    
    Stream #0:0(eng): Audio: opus, 48000 Hz, mono, fltp (default)
    
    Stream #0:1(eng): Video: vp8, yuv420p, 640x480, SAR 1:1 DAR 4:3, 1k tbr, 1k tbn, 1k tbc (default)
    
Input #1, matroska,webm, from '.tmp/processing/vid-two.webm':
    
  Metadata:
    
    encoder         : libwebm-0.2.1.0
    
    creation_time   : 2015-09-27 18:54:19
    
  Duration: 00:00:59.58, start: 0.000000, bitrate: 356 kb/s
    
    Stream #1:0(eng): Audio: opus, 48000 Hz, mono, fltp (default)
    
    Stream #1:1(eng): Video: vp8, yuv420p, 640x480, SAR 1:1 DAR 4:3, 1k tbr, 1k tbn, 1k tbc (default)
    
[libx264 @ 0x7faa59843e00] using SAR=1/1
    
[libx264 @ 0x7faa59843e00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
    
[libx264 @ 0x7faa59843e00] profile High, level 5.2
    
[libx264 @ 0x7faa59843e00] 264 - core 144 r2533 c8a773e - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - 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=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
    
Output #0, mp4, to '.tmp/processing/temp-23536-68390.mp4':
    
  Metadata:
    
    encoder         : Lavf56.36.100
    
    Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 640x480 [SAR 1:1 DAR 4:3], q=-1--1, 1k fps, 16k tbn, 1k tbc (default)
    
    Metadata:
    
      encoder         : Lavc56.41.100 libx264
    
    Stream #0:1(eng): Audio: aac (libvo_aacenc) ([64][0][0][0] / 0x0040), 48000 Hz, mono, s16, 128 kb/s (default)
    
    Metadata:
    
      encoder         : Lavc56.41.100 libvo_aacenc
    
Stream mapping:
    
  Stream #0:1 (vp8) -> scale (graph 0)
    
  Stream #1:1 (vp8) -> scale (graph 0)
    
  scale (graph 0) -> Stream #0:0 (libx264)
    
  Stream #0:0 -> #0:1 (opus (native) -> aac (libvo_aacenc))
    
Press [q] to stop, [?] for help
    
Input stream #0:1 frame changed from size:640x480 fmt:yuv420p to size:320x240 fmt:yuv420p
    
Input stream #1:1 frame changed from size:640x480 fmt:yuv420p to size:1016x846 fmt:yuv420p
    
frame=13321 fps=268 q=33.0 size=    1321kB time=00:00:41.85 bitrate= 258.5kbits/s dup=13frame=25895 fps=258 q=33.0 size=    2268kB time=00:00:44.81 bitrate= 414.5kbits/s dup=25frame=35230 fps=244 q=33.0 size=    2936kB time=00:00:44.81 bitrate= 536.6kbits/s dup=35frame=41866 fps=231 q=33.0 size=    3552kB time=00:00:44.81 bitrate= 649.4kbits/s dup=41Past duration 0.999992 too large
    
frame=41868 fps=231 q=-1.0 Lsize=    4089kB time=00:00:44.85 bitrate= 746.8kbits/s dup=41862 drop=20    
    
video:3108kB audio:479kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 13.986680%
    
[libx264 @ 0x7faa59843e00] frame I:168   Avg QP:18.70  size: 12936
    
[libx264 @ 0x7faa59843e00] frame P:10552 Avg QP:14.49  size:    37
    
[libx264 @ 0x7faa59843e00] frame B:31148 Avg QP:17.67  size:    20
    
[libx264 @ 0x7faa59843e00] consecutive B-frames:  0.8%  0.0%  0.0% 99.2%
    
[libx264 @ 0x7faa59843e00] mb I  I16..4: 40.0% 39.7% 20.3%
    
[libx264 @ 0x7faa59843e00] mb P  I16..4:  0.0%  0.0%  0.0%  P16..4:  0.2%  0.0%  0.0%  0.0%  0.0%    skip:99.7%
    
[libx264 @ 0x7faa59843e00] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.0%  0.0%  0.0%  direct: 0.0%  skip:100.0%  L0: 7.4% L1:92.6% BI: 0.0%
    
[libx264 @ 0x7faa59843e00] 8x8 transform intra:39.8% inter:54.0%
    
[libx264 @ 0x7faa59843e00] coded y,uvDC,uvAC intra: 31.6% 26.7% 16.9% inter: 0.0% 0.1% 0.0%
    
[libx264 @ 0x7faa59843e00] i16 v,h,dc,p: 68% 22%  9%  1%
    
[libx264 @ 0x7faa59843e00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22% 45% 14%  1%  3%  5%  2%  5%  3%
    
[libx264 @ 0x7faa59843e00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 30% 47% 10%  1%  2%  2%  3%  2%  3%
    
[libx264 @ 0x7faa59843e00] i8c dc,h,v,p: 73% 13% 12%  2%
    
[libx264 @ 0x7faa59843e00] Weighted P-Frames: Y:0.0% UV:0.0%
    
[libx264 @ 0x7faa59843e00] ref P L0: 99.3%  0.4%  0.1%  0.2%
    
[libx264 @ 0x7faa59843e00] ref B L0: 68.7% 31.3%
    
[libx264 @ 0x7faa59843e00] ref B L1: 99.3%  0.7%
    
[libx264 @ 0x7faa59843e00] kb/s:608.06

    Output Example 2

    When it gets to the frame= line, it hangs

    ffmpeg version 2.7.2 Copyright (c) 2000-2015 the FFmpeg developers
    
  built with Apple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM 3.6.0svn)
    
  configuration: --prefix=/usr/local/Cellar/ffmpeg/2.7.2 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --enable-opencl --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc --enable-libxvid --enable-vda
    
  libavutil      54. 27.100 / 54. 27.100
    
  libavcodec     56. 41.100 / 56. 41.100
    
  libavformat    56. 36.100 / 56. 36.100
    
  libavdevice    56.  4.100 / 56.  4.100
    
  libavfilter     5. 16.101 /  5. 16.101
    
  libavresample   2.  1.  0 /  2.  1.  0
    
  libswscale      3.  1.101 /  3.  1.101
    
  libswresample   1.  2.100 /  1.  2.100
    
  libpostproc    53.  3.100 / 53.  3.100
    
Input #0, matroska,webm, from '.tmp/processing/vid-one.webm':
    
  Metadata:
    
    encoder         : libwebm-0.2.1.0
    
    creation_time   : 2015-09-27 18:54:09
    
  Duration: 00:01:10.35, start: 0.000000, bitrate: 45 kb/s
    
    Stream #0:0(eng): Audio: opus, 48000 Hz, mono, fltp (default)
    
    Stream #0:1(eng): Video: vp8, yuv420p, 640x480, SAR 1:1 DAR 4:3, 1k tbr, 1k tbn, 1k tbc (default)
    
Input #1, matroska,webm, from '.tmp/processing/vid-two.webm':
    
  Metadata:
    
    encoder         : libwebm-0.2.1.0
    
    creation_time   : 2015-09-27 18:54:19
    
  Duration: 00:00:59.58, start: 0.000000, bitrate: 356 kb/s
    
    Stream #1:0(eng): Audio: opus, 48000 Hz, mono, fltp (default)
    
    Stream #1:1(eng): Video: vp8, yuv420p, 640x480, SAR 1:1 DAR 4:3, 1k tbr, 1k tbn, 1k tbc (default)
    
[libx264 @ 0x7fdb4a802600] using SAR=1/1
    
[libx264 @ 0x7fdb4a802600] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
    
[libx264 @ 0x7fdb4a802600] profile High, level 5.2
    
[libx264 @ 0x7fdb4a802600] 264 - core 144 r2533 c8a773e - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - 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=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
    
Output #0, mp4, to '.tmp/processing/temp-68390-72036.mp4':
    
  Metadata:
    
    encoder         : Lavf56.36.100
    
    Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 640x480 [SAR 1:1 DAR 4:3], q=-1--1, 1k fps, 16k tbn, 1k tbc (default)
    
    Metadata:
    
      encoder         : Lavc56.41.100 libx264
    
    Stream #0:1(eng): Audio: aac (libvo_aacenc) ([64][0][0][0] / 0x0040), 48000 Hz, mono, s16, 128 kb/s (default)
    
    Metadata:
    
      encoder         : Lavc56.41.100 libvo_aacenc
    
Stream mapping:
    
  Stream #0:1 (vp8) -> scale (graph 0)
    
  Stream #1:1 (vp8) -> scale (graph 0)
    
  scale (graph 0) -> Stream #0:0 (libx264)
    
  Stream #0:0 -> #0:1 (opus (native) -> aac (libvo_aacenc))
    
Press [q] to stop, [?] for help
    
Input stream #0:1 frame changed from size:640x480 fmt:yuv420p to size:320x240 fmt:yuv420p
    
Input stream #1:1 frame changed from size:640x480 fmt:yuv420p to size:1016x846 fmt:yuv420p
    
frame=    0 fps=0.0 q=0.0 Lsize=      17kB time=00:00:01.97 bitrate=  71.8kbits/s

    version : ffmpeg version 2.7.2

  • Two nearly identical ffmpeg commands, one works, the other freezes up

    12 septembre 2019, par dylanjha

    In both of these examples, I’m passing two inputs to ffmpeg applying a filter to the first input, and outputting it all to a .mp4.

    Example 1

    ffmpeg -y -threads 4 -ss 23.536 -t 44.854 -i .tmp/processing/vid-one.webm -ss 13.516 -t 54.874 -i .tmp/processing/vid-two.webm -filter_complex "[0]scale=320:-1,pad=2*iw:2*ih:0:120[left];[1]scale=320:-1[right];[left][right]overlay=main_w/2:120,scale=640:480" -shortest .tmp/processing/temp-23536-68390.mp4

    Example 2

    ffmpeg -y -threads 4 -ss 68.39 -t 3.646 -i .tmp/processing/vid-one.webm -ss 58.37 -t 13.666 -i .tmp/processing/vid-two.webm -filter_complex "[0]scale=320:-1,pad=2*iw:2*ih:0:120[left];[1]scale=320:-1[right];[left][right]overlay=main_w/2:120,scale=640:480" -shortest .tmp/processing/temp-68390-72036.mp4

    In the logging output I can get an idea of where it gets hung up.

    Output Example 1

    the output gets to this frame= line and it updates the output like this

    ffmpeg version 2.7.2 Copyright (c) 2000-2015 the FFmpeg developers
    
  built with Apple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM 3.6.0svn)
    
  configuration: --prefix=/usr/local/Cellar/ffmpeg/2.7.2 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --enable-opencl --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc --enable-libxvid --enable-vda
    
  libavutil      54. 27.100 / 54. 27.100
    
  libavcodec     56. 41.100 / 56. 41.100
    
  libavformat    56. 36.100 / 56. 36.100
    
  libavdevice    56.  4.100 / 56.  4.100
    
  libavfilter     5. 16.101 /  5. 16.101
    
  libavresample   2.  1.  0 /  2.  1.  0
    
  libswscale      3.  1.101 /  3.  1.101
    
  libswresample   1.  2.100 /  1.  2.100
    
  libpostproc    53.  3.100 / 53.  3.100
    
Input #0, matroska,webm, from '.tmp/processing/vid-one.webm':
    
  Metadata:
    
    encoder         : libwebm-0.2.1.0
    
    creation_time   : 2015-09-27 18:54:09
    
  Duration: 00:01:10.35, start: 0.000000, bitrate: 45 kb/s
    
    Stream #0:0(eng): Audio: opus, 48000 Hz, mono, fltp (default)
    
    Stream #0:1(eng): Video: vp8, yuv420p, 640x480, SAR 1:1 DAR 4:3, 1k tbr, 1k tbn, 1k tbc (default)
    
Input #1, matroska,webm, from '.tmp/processing/vid-two.webm':
    
  Metadata:
    
    encoder         : libwebm-0.2.1.0
    
    creation_time   : 2015-09-27 18:54:19
    
  Duration: 00:00:59.58, start: 0.000000, bitrate: 356 kb/s
    
    Stream #1:0(eng): Audio: opus, 48000 Hz, mono, fltp (default)
    
    Stream #1:1(eng): Video: vp8, yuv420p, 640x480, SAR 1:1 DAR 4:3, 1k tbr, 1k tbn, 1k tbc (default)
    
[libx264 @ 0x7faa59843e00] using SAR=1/1
    
[libx264 @ 0x7faa59843e00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
    
[libx264 @ 0x7faa59843e00] profile High, level 5.2
    
[libx264 @ 0x7faa59843e00] 264 - core 144 r2533 c8a773e - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - 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=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
    
Output #0, mp4, to '.tmp/processing/temp-23536-68390.mp4':
    
  Metadata:
    
    encoder         : Lavf56.36.100
    
    Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 640x480 [SAR 1:1 DAR 4:3], q=-1--1, 1k fps, 16k tbn, 1k tbc (default)
    
    Metadata:
    
      encoder         : Lavc56.41.100 libx264
    
    Stream #0:1(eng): Audio: aac (libvo_aacenc) ([64][0][0][0] / 0x0040), 48000 Hz, mono, s16, 128 kb/s (default)
    
    Metadata:
    
      encoder         : Lavc56.41.100 libvo_aacenc
    
Stream mapping:
    
  Stream #0:1 (vp8) -> scale (graph 0)
    
  Stream #1:1 (vp8) -> scale (graph 0)
    
  scale (graph 0) -> Stream #0:0 (libx264)
    
  Stream #0:0 -> #0:1 (opus (native) -> aac (libvo_aacenc))
    
Press [q] to stop, [?] for help
    
Input stream #0:1 frame changed from size:640x480 fmt:yuv420p to size:320x240 fmt:yuv420p
    
Input stream #1:1 frame changed from size:640x480 fmt:yuv420p to size:1016x846 fmt:yuv420p
    
frame=13321 fps=268 q=33.0 size=    1321kB time=00:00:41.85 bitrate= 258.5kbits/s dup=13frame=25895 fps=258 q=33.0 size=    2268kB time=00:00:44.81 bitrate= 414.5kbits/s dup=25frame=35230 fps=244 q=33.0 size=    2936kB time=00:00:44.81 bitrate= 536.6kbits/s dup=35frame=41866 fps=231 q=33.0 size=    3552kB time=00:00:44.81 bitrate= 649.4kbits/s dup=41Past duration 0.999992 too large
    
frame=41868 fps=231 q=-1.0 Lsize=    4089kB time=00:00:44.85 bitrate= 746.8kbits/s dup=41862 drop=20    
    
video:3108kB audio:479kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 13.986680%
    
[libx264 @ 0x7faa59843e00] frame I:168   Avg QP:18.70  size: 12936
    
[libx264 @ 0x7faa59843e00] frame P:10552 Avg QP:14.49  size:    37
    
[libx264 @ 0x7faa59843e00] frame B:31148 Avg QP:17.67  size:    20
    
[libx264 @ 0x7faa59843e00] consecutive B-frames:  0.8%  0.0%  0.0% 99.2%
    
[libx264 @ 0x7faa59843e00] mb I  I16..4: 40.0% 39.7% 20.3%
    
[libx264 @ 0x7faa59843e00] mb P  I16..4:  0.0%  0.0%  0.0%  P16..4:  0.2%  0.0%  0.0%  0.0%  0.0%    skip:99.7%
    
[libx264 @ 0x7faa59843e00] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.0%  0.0%  0.0%  direct: 0.0%  skip:100.0%  L0: 7.4% L1:92.6% BI: 0.0%
    
[libx264 @ 0x7faa59843e00] 8x8 transform intra:39.8% inter:54.0%
    
[libx264 @ 0x7faa59843e00] coded y,uvDC,uvAC intra: 31.6% 26.7% 16.9% inter: 0.0% 0.1% 0.0%
    
[libx264 @ 0x7faa59843e00] i16 v,h,dc,p: 68% 22%  9%  1%
    
[libx264 @ 0x7faa59843e00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22% 45% 14%  1%  3%  5%  2%  5%  3%
    
[libx264 @ 0x7faa59843e00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 30% 47% 10%  1%  2%  2%  3%  2%  3%
    
[libx264 @ 0x7faa59843e00] i8c dc,h,v,p: 73% 13% 12%  2%
    
[libx264 @ 0x7faa59843e00] Weighted P-Frames: Y:0.0% UV:0.0%
    
[libx264 @ 0x7faa59843e00] ref P L0: 99.3%  0.4%  0.1%  0.2%
    
[libx264 @ 0x7faa59843e00] ref B L0: 68.7% 31.3%
    
[libx264 @ 0x7faa59843e00] ref B L1: 99.3%  0.7%
    
[libx264 @ 0x7faa59843e00] kb/s:608.06

    Output Example 2

    When it gets to the frame= line, it hangs

    ffmpeg version 2.7.2 Copyright (c) 2000-2015 the FFmpeg developers
    
  built with Apple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM 3.6.0svn)
    
  configuration: --prefix=/usr/local/Cellar/ffmpeg/2.7.2 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --enable-opencl --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc --enable-libxvid --enable-vda
    
  libavutil      54. 27.100 / 54. 27.100
    
  libavcodec     56. 41.100 / 56. 41.100
    
  libavformat    56. 36.100 / 56. 36.100
    
  libavdevice    56.  4.100 / 56.  4.100
    
  libavfilter     5. 16.101 /  5. 16.101
    
  libavresample   2.  1.  0 /  2.  1.  0
    
  libswscale      3.  1.101 /  3.  1.101
    
  libswresample   1.  2.100 /  1.  2.100
    
  libpostproc    53.  3.100 / 53.  3.100
    
Input #0, matroska,webm, from '.tmp/processing/vid-one.webm':
    
  Metadata:
    
    encoder         : libwebm-0.2.1.0
    
    creation_time   : 2015-09-27 18:54:09
    
  Duration: 00:01:10.35, start: 0.000000, bitrate: 45 kb/s
    
    Stream #0:0(eng): Audio: opus, 48000 Hz, mono, fltp (default)
    
    Stream #0:1(eng): Video: vp8, yuv420p, 640x480, SAR 1:1 DAR 4:3, 1k tbr, 1k tbn, 1k tbc (default)
    
Input #1, matroska,webm, from '.tmp/processing/vid-two.webm':
    
  Metadata:
    
    encoder         : libwebm-0.2.1.0
    
    creation_time   : 2015-09-27 18:54:19
    
  Duration: 00:00:59.58, start: 0.000000, bitrate: 356 kb/s
    
    Stream #1:0(eng): Audio: opus, 48000 Hz, mono, fltp (default)
    
    Stream #1:1(eng): Video: vp8, yuv420p, 640x480, SAR 1:1 DAR 4:3, 1k tbr, 1k tbn, 1k tbc (default)
    
[libx264 @ 0x7fdb4a802600] using SAR=1/1
    
[libx264 @ 0x7fdb4a802600] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
    
[libx264 @ 0x7fdb4a802600] profile High, level 5.2
    
[libx264 @ 0x7fdb4a802600] 264 - core 144 r2533 c8a773e - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - 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=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
    
Output #0, mp4, to '.tmp/processing/temp-68390-72036.mp4':
    
  Metadata:
    
    encoder         : Lavf56.36.100
    
    Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 640x480 [SAR 1:1 DAR 4:3], q=-1--1, 1k fps, 16k tbn, 1k tbc (default)
    
    Metadata:
    
      encoder         : Lavc56.41.100 libx264
    
    Stream #0:1(eng): Audio: aac (libvo_aacenc) ([64][0][0][0] / 0x0040), 48000 Hz, mono, s16, 128 kb/s (default)
    
    Metadata:
    
      encoder         : Lavc56.41.100 libvo_aacenc
    
Stream mapping:
    
  Stream #0:1 (vp8) -> scale (graph 0)
    
  Stream #1:1 (vp8) -> scale (graph 0)
    
  scale (graph 0) -> Stream #0:0 (libx264)
    
  Stream #0:0 -> #0:1 (opus (native) -> aac (libvo_aacenc))
    
Press [q] to stop, [?] for help
    
Input stream #0:1 frame changed from size:640x480 fmt:yuv420p to size:320x240 fmt:yuv420p
    
Input stream #1:1 frame changed from size:640x480 fmt:yuv420p to size:1016x846 fmt:yuv420p
    
frame=    0 fps=0.0 q=0.0 Lsize=      17kB time=00:00:01.97 bitrate=  71.8kbits/s

    version : ffmpeg version 2.7.2

  • ffmpeg : unsync audio after processing

    18 novembre 2013, par QuickSilver

    I am recording a video and using RecordRTC : WebRTC . After receiving the webm video and wav audio at server, I'm encoding it to a mp4 file using ffmpeg(executing shell command via php). But after encoding process, the audio is unsync with video (audio ends before video). How can I fix this ?

    js code is here

    ffmpeg command used is :

    ffmpeg -y -i 166890589.wav -i 166890589.webm -vcodec libx264 166890589.mp4

    Console output :

    ffmpeg version 0.8.9-6:0.8.9-0ubuntu0.13.04.1, Copyright (c) 2000-2013 the Libav developers
    
  built on Nov  9 2013 19:15:52 with gcc 4.7.3
    
*** THIS PROGRAM IS DEPRECATED ***
    
This program is only provided for compatibility and will be removed in a future release. Please use avconv instead.
    
[wav @ 0x81caa60] max_analyze_duration reached
    
Input #0, wav, from '166890589.wav':
    
  Duration: 00:00:07.05, bitrate: 1411 kb/s
    
    Stream #0.0: Audio: pcm_s16le, 44100 Hz, 2 channels, s16, 1411 kb/s
    
[matroska,webm @ 0x823c340] Unknown entry 0x63C5
    
[matroska,webm @ 0x823c340] Estimating duration from bitrate, this may be inaccurate
    

    
Seems stream 0 codec frame rate differs from container frame rate: 1000.00 (1000/1) -> 10.00 (10/1)
    
Input #1, matroska,webm, from '166890589.webm':
    
  Duration: 00:00:08.40, start: 0.000000, bitrate: N/A
    
    Stream #1.0: Video: vp8, yuv420p, 320x240, PAR 1:1 DAR 4:3, 10 tbr, 1k tbn, 1k tbc (default)
    
[buffer @ 0x8245620] w:320 h:240 pixfmt:yuv420p
    
[libx264 @ 0x82618a0] using SAR=1/1
    
[libx264 @ 0x82618a0] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 AVX
    
[libx264 @ 0x82618a0] profile Main, level 1.1
    
[libx264 @ 0x82618a0] 264 - core 123 r2189 35cf912 - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x1:0x111 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=1 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=0 b_adapt=1 b_bias=0 direct=1 weightb=0 open_gop=1 weightp=2 keyint=250 keyint_min=10 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=1.25 aq=1:1.00
    
Output #0, mp4, to '166890589.mp4':
    
  Metadata:
    
    encoder         : Lavf53.21.1
    
    Stream #0.0: Video: libx264, yuv420p, 320x240 [PAR 1:1 DAR 4:3], q=-1--1, 10 tbn, 10 tbc (default)
    
    Stream #0.1: Audio: libvo_aacenc, 44100 Hz, 2 channels, s16, 200 kb/s
    
Stream mapping:
    
  Stream #1.0 -> #0.0
    
  Stream #0.0 -> #0.1
    
Press ctrl-c to stop encoding
    
frame=   84 fps=  0 q=25.0 Lsize=     260kB time=7.06 bitrate= 301.3kbits/s    
    
video:83kB audio:172kB global headers:0kB muxing overhead 1.783102%
    
frame I:1     Avg QP:17.52  size:  6554
    
[libx264 @ 0x82618a0] frame P:41    Avg QP:19.07  size:  1555
    
[libx264 @ 0x82618a0] frame B:42    Avg QP:20.01  size:   325
    
[libx264 @ 0x82618a0] consecutive B-frames: 33.3%  0.0%  0.0% 66.7%
    
[libx264 @ 0x82618a0] mb I  I16..4: 36.7%  0.0% 63.3%
    
[libx264 @ 0x82618a0] mb P  I16..4:  3.8%  0.0%  5.0%  P16..4: 34.3%  9.8%  7.1%  0.0%  0.0%    skip:40.0%
    
[libx264 @ 0x82618a0] mb B  I16..4:  1.4%  0.0%  0.1%  B16..8: 37.5%  5.5%  0.4%  direct: 2.5%  skip:52.5%  L0:41.4% L1:51.5% BI: 7.2%
    
[libx264 @ 0x82618a0] coded y,uvDC,uvAC intra: 40.7% 76.2% 26.8% inter: 10.9% 22.5% 2.7%
    
[libx264 @ 0x82618a0] i16 v,h,dc,p: 28% 34% 23% 15%
    
[libx264 @ 0x82618a0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 29% 28% 21%  3%  4%  4%  5%  3%  3%
    
[libx264 @ 0x82618a0] i8c dc,h,v,p: 49% 20% 26%  4%
    
[libx264 @ 0x82618a0] Weighted P-Frames: Y:0.0% UV:0.0%
    
[libx264 @ 0x82618a0] ref P L0: 62.7%  4.6% 16.3% 16.4%
    
[libx264 @ 0x82618a0] ref B L0: 79.0% 21.0%
    
[libx264 @ 0x82618a0] kb/s:80.00

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