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Sur d’autres sites (14278)

  • FFmpeg : Audio is sped up after compressing AVI video [closed]

    21 août 2023, par Karen S

    I have an AVI video and I want to reduce the file size. When I run the FFmpeg command below, the resulting audio in the video is sped up, and the last bit of the video has no audio.

    


    The FFmpeg command

    


    ffmpeg -i "in.avi" -vcodec libx264 -acodec copy -crf 26 -vf "scale=-1:'min(720,ih)', yadif=1" out.avi


    


    The output messages

    


    ffmpeg version 2023-06-11-git-09621fd7d9-full_build-www.gyan.dev Copyright (c) 2000-2023 the FFmpeg developers
  built with gcc 12.2.0 (Rev10, Built by MSYS2 project)
  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-libaribcaption --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-libvpl --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-libcodec2 --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
  libavutil      58. 13.100 / 58. 13.100
  libavcodec     60. 17.100 / 60. 17.100
  libavformat    60.  6.100 / 60.  6.100
  libavdevice    60.  2.100 / 60.  2.100
  libavfilter     9.  8.101 /  9.  8.101
  libswscale      7.  3.100 /  7.  3.100
  libswresample   4. 11.100 /  4. 11.100
  libpostproc    57.  2.100 / 57.  2.100
[avi @ 000002255f70d540] Switching to NI mode, due to poor interleaving
Input #0, avi, from 'in.avi':
  Duration: 00:10:40.64, start: 0.000000, bitrate: 28852 kb/s
  Stream #0:0: Video: dvvideo, yuv411p, 720x480 [SAR 32:27 DAR 16:9], 25000 kb/s, SAR 8:9 DAR 4:3, 60k fps, 29.97 tbr, 60k tbn
  Stream #0:1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
  Stream #0:2: Audio: pcm_s16le, 32000 Hz, stereo, s16, 1024 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (dvvideo (native) -> h264 (libx264))
  Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
[libx264 @ 000002255fbc4940] using SAR=8/9
[libx264 @ 000002255fbc4940] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 000002255fbc4940] profile High 4:2:2, level 3.1, 4:2:2, 8-bit
Output #0, avi, to 'out.avi':
  Metadata:
    ISFT            : Lavf60.6.100
  Stream #0:0: Video: h264 (H264 / 0x34363248), yuv422p(tv, progressive), 720x480 [SAR 8:9 DAR 4:3], q=2-31, 59.94 fps, 59.94 tbn
    Metadata:
      encoder         : Lavc60.17.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
  Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, stereo, s16, 1536 kb/s
[dvvideo @ 000002255fb36d80] Concealing bitstream errors.33 bitrate=2437.5kbits/s speed=0.902x
    Last message repeated 15 times
[dvvideo @ 000002255fb36d80] Concealing bitstream errors.77 bitrate=2439.5kbits/s speed=0.902x
    Last message repeated 60 times
[dvvideo @ 0000022560071680] Concealing bitstream errors.72 bitrate=2461.8kbits/s speed=0.895x
    Last message repeated 18 times
[dvvideo @ 0000022560071680] Concealing bitstream errors.12 bitrate=2459.9kbits/s speed=0.894x
[out#0/avi @ 000002255f70d8c0] video:110055kB audio:80088kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.724923%
frame=38400 fps= 57 q=-1.0 Lsize=  191521kB time=00:10:40.60 bitrate=2449.2kbits/s speed=0.946x
[libx264 @ 000002255fbc4940] frame I:165   Avg QP:27.36  size: 37180
[libx264 @ 000002255fbc4940] frame P:9710  Avg QP:30.58  size:  7328
[libx264 @ 000002255fbc4940] frame B:28525 Avg QP:35.24  size:  1241
[libx264 @ 000002255fbc4940] consecutive B-frames:  0.8%  0.3%  0.3% 98.6%
[libx264 @ 000002255fbc4940] mb I  I16..4: 10.3% 67.6% 22.1%
[libx264 @ 000002255fbc4940] mb P  I16..4:  1.0%  3.8%  0.8%  P16..4: 40.7% 12.1%  8.6%  0.0%  0.0%    skip:33.0%
[libx264 @ 000002255fbc4940] mb B  I16..4:  0.1%  0.2%  0.0%  B16..8: 36.9%  1.8%  0.4%  direct: 1.4%  skip:59.1%  L0:45.0% L1:51.8% BI: 3.1%
[libx264 @ 000002255fbc4940] 8x8 transform intra:66.5% inter:68.7%
[libx264 @ 000002255fbc4940] coded y,uvDC,uvAC intra: 60.3% 64.7% 10.1% inter: 10.7% 6.9% 0.1%
[libx264 @ 000002255fbc4940] i16 v,h,dc,p: 21% 35% 10% 34%
[libx264 @ 000002255fbc4940] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 11% 23% 19%  6%  8%  7% 12%  6%  9%
[libx264 @ 000002255fbc4940] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 13% 25% 16%  6% 10%  7% 12%  5%  6%
[libx264 @ 000002255fbc4940] i8c dc,h,v,p: 58% 19% 18%  5%
[libx264 @ 000002255fbc4940] Weighted P-Frames: Y:3.0% UV:1.5%
[libx264 @ 000002255fbc4940] ref P L0: 56.9% 16.8% 19.3%  6.7%  0.2%
[libx264 @ 000002255fbc4940] ref B L0: 87.5% 10.4%  2.2%
[libx264 @ 000002255fbc4940] ref B L1: 93.2%  6.8%
[libx264 @ 000002255fbc4940] kb/s:1407.29


    


    Since the audio stream is being copied I don't understand why the resulting audio sounds sped up. The video looks fine, it's just the audio that is the issue.

    


    I've tried other options too, such as converting the audio to aac or mp3 and the resulting audio still sounds sped up and high pitched.

    


    Does anyone know why the audio isn't simply being copied the way it sounds in the original AVI video and do you have any suggestions for how to fix the issue ?

    


  • getting 2 video streams in output.mkv ?

    3 janvier 2024, par Kirito

    In short, I have 1 video.mkv and 1 subtitle.ass. Using ffmpeg, I am adding subtitles to the video without removing the previous subtitles that came with the video. The problem is that some videos' output.mkv files are getting a duplicate video stream. Not all the videos I tested have this issue. I have added the log of one of those for reference.

    


    Here is my code :

    


     ffmpeg -i input_video.mkv -i subtitle_path.ass -c:v copy -c:a copy -c:s copy -map 0:v:0
 -map 0:m:language:jpn -map 0:s -map 1 -metadata:s:s:3 language=ara -max_interleave_delta 0 -y output_path.mkv


    


    \TEST> ffmpeg -i input_video.mkv -i subtitle_path.ass -c:v copy -c:a copy -c:s copy -map 0:v:0 -map 0:m:language:jpn -map 0:s -map 1 -metadata:s:s:3 language=ara -max_interleave_delta 0 -y output_path.mkv
ffmpeg version 2023-12-28-git-c1340f3439-full_build-www.gyan.dev Copyright (c) 2000-2023 the FFmpeg developers
  built with gcc 12.2.0 (Rev10, Built by MSYS2 project)
  configuration: --enable-gpl --enable-version3 --enable-static --pkg-config=pkgconf --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-libaribcaption --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-libharfbuzz --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-dxva2 --enable-d3d11va --enable-libvpl --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-libcodec2 --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
  libavutil      58. 36.100 / 58. 36.100
  libavcodec     60. 36.100 / 60. 36.100
  libavformat    60. 20.100 / 60. 20.100
  libavdevice    60.  4.100 / 60.  4.100
  libavfilter     9. 14.102 /  9. 14.102
  libswscale      7.  6.100 /  7.  6.100
  libswresample   4. 13.100 /  4. 13.100
  libpostproc    57.  4.100 / 57.  4.100
Input #0, matroska,webm, from 'input_video.mkv':
  Metadata:
    encoder         : libebml v1.3.5 + libmatroska v1.4.8
    creation_time   : 2018-04-21T21:21:39.000000Z
  Duration: 00:24:26.56, start: 0.000000, bitrate: 2453 kb/s
  Stream #0:0(jpn): Video: h264 (High), yuv420p(progressive), 1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 1k tbn (default)
      Metadata:
        BPS-eng         : 2291326
        DURATION-eng    : 00:24:26.465000000
        NUMBER_OF_FRAMES-eng: 35160
        NUMBER_OF_BYTES-eng: 420018724
        _STATISTICS_WRITING_APP-eng: mkvmerge v22.0.0 ('At The End Of The World') 32-bit
        _STATISTICS_WRITING_DATE_UTC-eng: 2018-04-21 21:21:39
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  Stream #0:1(jpn): Audio: aac (LC), 48000 Hz, stereo, fltp (default)
      Metadata:
        BPS-eng         : 159375
        DURATION-eng    : 00:24:26.560000000
        NUMBER_OF_FRAMES-eng: 68745
        NUMBER_OF_BYTES-eng: 29216626
        _STATISTICS_WRITING_APP-eng: mkvmerge v22.0.0 ('At The End Of The World') 32-bit
        _STATISTICS_WRITING_DATE_UTC-eng: 2018-04-21 21:21:39
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  Stream #0:2(eng): Subtitle: ass (default)
      Metadata:
        BPS-eng         : 99
        DURATION-eng    : 00:21:35.870000000
        NUMBER_OF_FRAMES-eng: 302
        NUMBER_OF_BYTES-eng: 16109
        _STATISTICS_WRITING_APP-eng: mkvmerge v22.0.0 ('At The End Of The World') 32-bit
        _STATISTICS_WRITING_DATE_UTC-eng: 2018-04-21 21:21:39
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  Stream #0:3(spa): Subtitle: ass
      Metadata:
        BPS-eng         : 92
        DURATION-eng    : 00:20:05.580000000
        NUMBER_OF_FRAMES-eng: 254
        NUMBER_OF_BYTES-eng: 13877
        _STATISTICS_WRITING_APP-eng: mkvmerge v22.0.0 ('At The End Of The World') 32-bit
        _STATISTICS_WRITING_DATE_UTC-eng: 2018-04-21 21:21:39
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  Stream #0:4(por): Subtitle: ass
      Metadata:
        BPS-eng         : 91
        DURATION-eng    : 00:20:05.580000000
        NUMBER_OF_FRAMES-eng: 254
        NUMBER_OF_BYTES-eng: 13846
        _STATISTICS_WRITING_APP-eng: mkvmerge v22.0.0 ('At The End Of The World') 32-bit
        _STATISTICS_WRITING_DATE_UTC-eng: 2018-04-21 21:21:39
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
Input #1, ass, from 'subtitle_path.ass':
  Duration: N/A, bitrate: N/A
  Stream #1:0: Subtitle: ass
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #0:0 -> #0:1 (copy)
  Stream #0:1 -> #0:2 (copy)
  Stream #0:2 -> #0:3 (copy)
  Stream #0:3 -> #0:4 (copy)
  Stream #0:4 -> #0:5 (copy)
  Stream #1:0 -> #0:6 (copy)
Output #0, matroska, to 'output_path.mkv':
  Metadata:
    encoder         : Lavf60.20.100
  Stream #0:0(jpn): Video: h264 (High) (H264 / 0x34363248), yuv420p(progressive), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 23.98 fps, 23.98 tbr, 1k tbn (default)
      Metadata:
        BPS-eng         : 2291326
        DURATION-eng    : 00:24:26.465000000
        NUMBER_OF_FRAMES-eng: 35160
        NUMBER_OF_BYTES-eng: 420018724
        _STATISTICS_WRITING_APP-eng: mkvmerge v22.0.0 ('At The End Of The World') 32-bit
        _STATISTICS_WRITING_DATE_UTC-eng: 2018-04-21 21:21:39
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  Stream #0:1(jpn): Video: h264 (High) (H264 / 0x34363248), yuv420p(progressive), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 23.98 fps, 23.98 tbr, 1k tbn (default)
      Metadata:
        BPS-eng         : 2291326
        DURATION-eng    : 00:24:26.465000000
        NUMBER_OF_FRAMES-eng: 35160
        NUMBER_OF_BYTES-eng: 420018724
        _STATISTICS_WRITING_APP-eng: mkvmerge v22.0.0 ('At The End Of The World') 32-bit
        _STATISTICS_WRITING_DATE_UTC-eng: 2018-04-21 21:21:39
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  Stream #0:2(jpn): Audio: aac (LC) ([255][0][0][0] / 0x00FF), 48000 Hz, stereo, fltp (default)
      Metadata:
        BPS-eng         : 159375
        DURATION-eng    : 00:24:26.560000000
        NUMBER_OF_FRAMES-eng: 68745
        NUMBER_OF_BYTES-eng: 29216626
        _STATISTICS_WRITING_APP-eng: mkvmerge v22.0.0 ('At The End Of The World') 32-bit
        _STATISTICS_WRITING_DATE_UTC-eng: 2018-04-21 21:21:39
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  Stream #0:3(eng): Subtitle: ass (default)
      Metadata:
        BPS-eng         : 99
        DURATION-eng    : 00:21:35.870000000
        NUMBER_OF_FRAMES-eng: 302
        NUMBER_OF_BYTES-eng: 16109
        _STATISTICS_WRITING_APP-eng: mkvmerge v22.0.0 ('At The End Of The World') 32-bit
        _STATISTICS_WRITING_DATE_UTC-eng: 2018-04-21 21:21:39
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  Stream #0:4(spa): Subtitle: ass
      Metadata:
        BPS-eng         : 92
        DURATION-eng    : 00:20:05.580000000
        NUMBER_OF_FRAMES-eng: 254
        NUMBER_OF_BYTES-eng: 13877
        _STATISTICS_WRITING_APP-eng: mkvmerge v22.0.0 ('At The End Of The World') 32-bit
        _STATISTICS_WRITING_DATE_UTC-eng: 2018-04-21 21:21:39
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  Stream #0:5(por): Subtitle: ass
      Metadata:
        BPS-eng         : 91
        DURATION-eng    : 00:20:05.580000000
        NUMBER_OF_FRAMES-eng: 254
        NUMBER_OF_BYTES-eng: 13846
        _STATISTICS_WRITING_APP-eng: mkvmerge v22.0.0 ('At The End Of The World') 32-bit
        _STATISTICS_WRITING_DATE_UTC-eng: 2018-04-21 21:21:39
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  Stream #0:6(ara): Subtitle: ass
Press [q] to stop, [?] for help
[out#0/matroska @ 000002995bf18bc0] video:820349kB audio:28532kB subtitle:65kB other streams:0kB global headers:5kB muxing overhead: 0.122471%
size=  849986kB time=00:23:40.86 bitrate=4900.6kbits/s speed= 326x


    


    I am very Clueless as the command is working on some videos

    


  • FFmpeg : High pitched audio when converting AVI video to MP4 [closed]

    15 août 2023, par Karen S

    I'm pretty new to FFmpeg and I'm having trouble converting a video from AVI format to MP4. I'm trying to convert pcm_s16le to aac but the resulting audio is very high pitched and choppy.

    


    The AVI video has two audio streams :

    


    Stream #0:1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
Stream #0:2: Audio: pcm_s16le, 32000 Hz, stereo, s16, 1024 kb/s


    


    In VLC Media Player the video plays fine and it uses the second audio stream.

    


    When I run ffmpeg -i input.avi -vcodec libx264 -crf 27 output.mp4 in my terminal, the output audio in the MP4 file sounds extremely choppy and the voices are chipmunk-like.
This is the codec information for the audio stream in VLC after the conversion :

    


    Codec: MPEG AAC Audio (mp4a)
Type: Audio
Channels: Stereo
Sample rate: 48000 Hz
Bits per sample: 32


    


    This is the terminal output :

    


    ffmpeg version 2023-06-11-git-09621fd7d9-full_build-www.gyan.dev Copyright (c) 2000-2023 the FFmpeg developers
  built with gcc 12.2.0 (Rev10, Built by MSYS2 project)
  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-libaribcaption --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-libvpl --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-libcodec2 --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
  libavutil      58. 13.100 / 58. 13.100
  libavcodec     60. 17.100 / 60. 17.100
  libavformat    60.  6.100 / 60.  6.100
  libavdevice    60.  2.100 / 60.  2.100
  libavfilter     9.  8.101 /  9.  8.101
  libswscale      7.  3.100 /  7.  3.100
  libswresample   4. 11.100 /  4. 11.100
  libpostproc    57.  2.100 / 57.  2.100
[avi @ 000001d1b05ffbc0] Switching to NI mode, due to poor interleaving
Input #0, avi, from 'VG2002-06-10 TAPE_71 001.avi':
  Duration: 00:10:40.64, start: 0.000000, bitrate: 28852 kb/s
  Stream #0:0: Video: dvvideo, yuv411p, 720x480 [SAR 32:27 DAR 16:9], 25000 kb/s, SAR 8:9 DAR 4:3, 60k fps, 29.97 tbr, 60k tbn
  Stream #0:1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
  Stream #0:2: Audio: pcm_s16le, 32000 Hz, stereo, s16, 1024 kb/s
File 'VG2002-06-10compress.mp4' already exists. Overwrite? [y/N] y
Stream mapping:
  Stream #0:0 -> #0:0 (dvvideo (native) -> h264 (libx264))
  Stream #0:1 -> #0:1 (pcm_s16le (native) -> aac (native))
Press [q] to stop, [?] for help
[pcm_s16le @ 000001d1b0696680] This decoder does not support parameter changes, but PARAM_CHANGE side data was sent to it.
[pcm_s16le @ 000001d1b0696680] Error applying parameter changes.
[libx264 @ 000001d1b0ab4940] using SAR=8/9
[libx264 @ 000001d1b0ab4940] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 000001d1b0ab4940] profile High 4:2:2, level 3.0, 4:2:2, 8-bit
[libx264 @ 000001d1b0ab4940] 264 - core 164 r3107 a8b68eb - H.264/MPEG-4 AVC codec - Copyleft 2003-2023 - 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=12 lookahead_threads=2 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=27.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'VG2002-06-10compress.mp4':
  Metadata:
    encoder         : Lavf60.6.100
  Stream #0:0: Video: h264 (avc1 / 0x31637661), yuv422p(tv, bottom coded first (swapped)), 720x480 [SAR 8:9 DAR 4:3], q=2-31, 29.97 fps, 30k tbn
    Metadata:
      encoder         : Lavc60.17.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
  Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s
    Metadata:
      encoder         : Lavc60.17.100 aac
[dvvideo @ 000001d1b0a26f00] Concealing bitstream errors.49 bitrate=1424.2kbits/s speed=2.51x
    Last message repeated 76 times
[dvvideo @ 000001d1b0f61680] Concealing bitstream errors.23 bitrate=1451.5kbits/s speed=2.47x
    Last message repeated 19 times
[out#0/mp4 @ 000001d1b0696c80] video:106080kB audio:6745kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.465412%
frame=19200 fps= 73 q=-1.0 Lsize=  113351kB time=00:10:40.60 bitrate=1449.5kbits/s speed=2.43x
[libx264 @ 000001d1b0ab4940] frame I:99    Avg QP:26.85  size: 42388
[libx264 @ 000001d1b0ab4940] frame P:4922  Avg QP:29.69  size: 13724
[libx264 @ 000001d1b0ab4940] frame B:14179 Avg QP:33.82  size:  2601
[libx264 @ 000001d1b0ab4940] consecutive B-frames:  1.2%  0.8%  1.1% 97.0%
[libx264 @ 000001d1b0ab4940] mb I  I16..4: 12.2% 77.3% 10.4%
[libx264 @ 000001d1b0ab4940] mb P  I16..4:  1.7%  8.1%  1.4%  P16..4: 39.9% 16.6% 12.2%  0.0%  0.0%    skip:20.1%
[libx264 @ 000001d1b0ab4940] mb B  I16..4:  0.3%  0.6%  0.1%  B16..8: 38.6%  3.8%  1.1%  direct: 3.3%  skip:52.2%  L0:42.2% L1:49.3% BI: 8.5%
[libx264 @ 000001d1b0ab4940] 8x8 transform intra:71.6% inter:71.6%
[libx264 @ 000001d1b0ab4940] coded y,uvDC,uvAC intra: 72.3% 66.8% 11.7% inter: 17.3% 10.6% 0.2%
[libx264 @ 000001d1b0ab4940] i16 v,h,dc,p: 11% 64%  7% 17%
[libx264 @ 000001d1b0ab4940] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 11% 26% 24%  5%  6%  5%  9%  5%  9%
[libx264 @ 000001d1b0ab4940] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu:  8% 52% 13%  3%  5%  4%  7%  3%  6%
[libx264 @ 000001d1b0ab4940] i8c dc,h,v,p: 58% 21% 17%  5%
[libx264 @ 000001d1b0ab4940] Weighted P-Frames: Y:3.5% UV:1.3%
[libx264 @ 000001d1b0ab4940] ref P L0: 51.9% 15.0% 23.5%  9.3%  0.3%
[libx264 @ 000001d1b0ab4940] ref B L0: 87.5%  9.7%  2.9%
[libx264 @ 000001d1b0ab4940] ref B L1: 95.1%  4.9%
[libx264 @ 000001d1b0ab4940] kb/s:1356.46
[aac @ 000001d1b0a6ab80] Qavg: 517.695


    


    FFmpeg automatically selects the first audio stream to encode but then this error comes up :

    


    [pcm_s16le @ 000001d1b0696680] This decoder does not support parameter changes, but PARAM_CHANGE side data was sent to it.


    


    To bypass this error, I've edited the FFmpeg command so that the second stream is selected instead for aac encoding, but then the resulting MP4 video is silent.

    


    Does anyone know why FFmpeg is unable to convert the original AVI audio to aac without it sounding higher-pitched ? I think that the sample rate of the first stream might be set incorrectly but I'm not too sure how to fix it so that the encoder reads it properly.

    


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