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• ffmpeg 4.1.4 wav to mp3 error who can help me

  23 août 2019, par yang jia

  [swscaler @ 0xc946d000] deprecated pixel format used, make sure you did set range correctly

  [mp3 @ 0xc9621600] Frame rate very high for a muxer not efficiently supporting it.

  Please consider specifying a lower framerate, a different muxer or -vsync 2

  [auto_resampler_0 @ 0xd8e73be0] [SWR @ 0xc8058000] Output channel layout ’6 channels (FLC+BC+SL+SR+TC+TFL)’ is not supported

  [auto_resampler_0 @ 0xd8e73be0] Failed to configure output pad on auto_resampler_0

  Error reinitializing filters !

  Failed to inject frame into filter network : Invalid argument
  Error while processing the decoded data for stream #0:0
  --------- beginning of crash
  2019-02-26 16:04:58.368 27737-27737/com.blplayer.jbl.blplayer A/libc : Fatal signal 7 (SIGBUS), code 1, fault addr 0xc5ca in tid 27737 (er.jbl.blplayer)

  cmd

  ffmpeg -i test.wav -acodec libmp3lame -ar 8000 -ac 2 -y wav2mp3.mp3

   ![enter image description here]this is the log(https://i.stack.imgur.com/Kjs1Q.png)

• The duration of the combined video with FFmpeg becomes 0

  24 août 2019, par sido

  I am developing an app for Android by Unity.
  When I merge video and audio with FFmpeg, the duration of the output video file is 0 though it can be played back normally.

  I tried to set duration when merging, but it didn’t work.

  The commands being executed are as follows :

  -y -i /storage/emulated/0/Android/data/jp.ne.company.app/files/Record/20190824122116_video.mp4 -i /storage/emulated/0/Android/data/jp.ne.company.app/files/Record/20190824122116_audio.mp3 -t 3 -c copy -map 0:v -map 1:a -shortest /storage/emulated/0/Android/data/jp.ne.company.app/files/Record/20190824122116_merged.mp4

  I expected that the duration of the merged file was the value set in MovieTime, but the duration of the actually merged file was 0.

  The log is as follows :

  Started
  
  ffmpeg version n3.0.1 Copyright (c) 2000-2016 the FFmpeg developers
  
    built with gcc 4.8 (GCC)
  
    configuration: --target-os=linux --cross-prefix=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-libass --enable-libfreetype --enable-libfribidi --enable-libmp3lame --enable-fontconfig --enable-pthreads --disable-debug --disable-ffserver --enable-version3 --enable-hardcoded-tables --disable-ffplay --disable-ffprobe --enable-gpl --enable-yasm --disable-doc --disable-shared --enable-static --pkg-config=/home/vagrant/SourceCode/ffmpeg-android/ffmpeg-pkg-config --prefix=/home/vagrant/SourceCode/ffmpeg-android/build/armeabi-v7a --extra-cflags='-I/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all' --extra-ldflags='-L/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs='-lpng -lexpat -lm' --extra-cxxflags=
  
    libavutil      55. 17.103 / 55. 17.103
  
    libavcodec     57. 24.102 / 57. 24.102
  
    libavformat    57. 25.100 / 57. 25.100
  
    libavdevice    57.  0.101 / 57.  0.101
  
    libavfilter     6. 31.100 /  6. 31.100
  
    libswscale      4.  0.100 /  4.  0.100
  
    libswresample   2.  0.101 /  2.  0.101
  
    libpostproc    54.  0.100 / 54.  0.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/storage/emulated/0/Android/data/jp.ne.company.app/files/Record/20190824122116_video.mp4':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 0
  
      compatible_brands: isommp42
  
      creation_time   : 2019-08-24 03:21:20
  
      com.android.version: 7.0
  
    Duration: 00:00:03.65, start: 0.000000, bitrate: 2821 kb/s
  
      Stream #0:0(eng): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p(tv, smpte170m/smpte170m/bt709), 360x640, 2814 kb/s, SAR 1:1 DAR 9:16, 59.42 fps, 59.94 tbr, 90k tbn, 180k tbc (default)
  
      Metadata:
  
        creation_time   : 2019-08-24 03:21:20
  
        handler_name    : VideoHandle
  
  [mp3 @ 0xed92f600] Skipping 0 bytes of junk at 880.
  
  Input #1, mp3, from '/storage/emulated/0/Android/data/jp.ne.company.app/files/Record/20190824122116_audio.mp3':
  
    Metadata:
  
      encoder         : Lavf57.25.100
  
    Duration: 00:00:03.55, start: 0.025057, bitrate: 257 kb/s
  
      Stream #1:0: Audio: mp3, 44100 Hz, stereo, s16p, 256 kb/s
  
      Metadata:
  
        encoder         : Lavc57.24
  
  Output #0, mp4, to '/storage/emulated/0/Android/data/jp.ne.company.app/files/Record/20190824122116_merged.mp4':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 0
  
      compatible_brands: isommp42
  
      com.android.version: 7.0
  
      encoder         : Lavf57.25.100
  
      Stream #0:0(eng): Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 360x640 [SAR 1:1 DAR 9:16], q=2-31, 2814 kb/s, 59.42 fps, 59.94 tbr, 90k tbn, 90k tbc (default)
  
      Metadata:
  
        creation_time   : 2019-08-24 03:21:20
  
        handler_name    : VideoHandle
  
      Stream #0:1: Audio: mp3 (i[0][0][0] / 0x0069), 44100 Hz, stereo, 256 kb/s
  
      Metadata:
  
        encoder         : Lavc57.24
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (copy)
  
    Stream #1:0 -> #0:1 (copy)
  
  Press [q] to stop, [?] for help
  
  frame=  178 fps=0.0 q=-1.0 Lsize=    1098kB time=00:00:03.00 bitrate=2992.8kbits/s speed= 122x    
  
  video:997kB audio:95kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.534772%

• Could not find codec parameters for stream 0 (Video : png, none)

  22 août 2019, par Vipul Solanki

  I’m trying to overlap png over jpg but getting bellow error. I’ve tried in FFMPEG version 3.4.6 and GCC 5.5.0

  ffmpeg -i Emily-Bett-Rickards.jpg -i abc.png -filter_complex "[0:v][1:v] overlay=(W-w)/2:(H-h)/2:enable='between(t,0,20)'" -pix_fmt yuv420p -c:a copy bc38775d-278d-41f0-821f-89917475200b-meta.jpg
  
  ffmpeg version N-94608-gaeae628 Copyright (c) 2000-2019 the FFmpeg developers
  
    built with gcc 5.5.0 (Ubuntu 5.5.0-12ubuntu1~16.04) 20171010
  
    configuration: --enable-decoder='mjpeg,png' --enable-demuxer=image2 --enable-protocol=file
  
    libavutil      56. 33.100 / 56. 33.100
  
    libavcodec     58. 55.100 / 58. 55.100
  
    libavformat    58. 31.101 / 58. 31.101
  
    libavdevice    58.  9.100 / 58.  9.100
  
    libavfilter     7. 58.100 /  7. 58.100
  
    libswscale      5.  6.100 /  5.  6.100
  
    libswresample   3.  6.100 /  3.  6.100
  
  Input #0, image2, from 'Emily-Bett-Rickards.jpg':
  
    Duration: 00:00:00.04, start: 0.000000, bitrate: 34289 kb/s
  
      Stream #0:0: Video: mjpeg (Progressive), yuvj444p(pc, bt470bg/unknown/unknown), 600x400, 25 tbr, 25 tbn, 25 tbc
  
  [png_pipe @ 0x389fdc0] Could not find codec parameters for stream 0 (Video: png, none): unspecified size
  
  Consider increasing the value for the 'analyzeduration' and 'probesize' options
  
  Input #1, png_pipe, from 'abc.png':
  
    Duration: N/A, bitrate: N/A
  
      Stream #1:0: Video: png, none, 25 tbr, 25 tbn, 25 tbc
  
  Stream mapping:
  
    Stream #0:0 (mjpeg) -> overlay:main
  
    Stream #1:0 (?) -> overlay:overlay
  
    overlay -> Stream #0:0 (mjpeg)
  
  Decoder (codec png) not found for input stream #1:0

  Any help would be appreciated.