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• FFMPEG Error while opening decoder for input stream

  6 mars 2016, par Chris

  While this command his been working for a couple of months, I suddenly began running into the following error when encoding video via my php application. Testing the encoding parameters on the command line yielded the same results, while the verion of ffmpeg on my local machine has no problem reading the input

  Command I used :

  ffmpeg -i clip_20121022150813.mp4 -acodec libfaac -ab 44100 encoded.mp4

  And the output (error on last line) :

  ffmpeg version N-45871-g34ccb94 Copyright (c) 2000-2012 the FFmpeg developers
  
    built on Oct 22 2012 22:20:53 with gcc 4.1.2 (GCC) 20080704 (Red Hat 4.1.2-52)
  
    configuration: --enable-gpl --enable-libmp3lame --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libfaac --enable-nonfree
  
    libavutil      51. 77.100 / 51. 77.100
  
    libavcodec     54. 68.100 / 54. 68.100
  
    libavformat    54. 34.100 / 54. 34.100
  
    libavdevice    54.  3.100 / 54.  3.100
  
    libavfilter     3. 20.104 /  3. 20.104
  
    libswscale      2.  1.101 /  2.  1.101
  
    libswresample   0. 16.100 /  0. 16.100
  
    libpostproc    52.  1.100 / 52.  1.100
  
  Guessed Channel Layout for  Input Stream #0.1 : mono
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'clip_20121022150813.mp4':
  
    Metadata:
  
      major_brand     : qt  
  
      minor_version   : 0
  
      compatible_brands: qt  
  
      creation_time   : 2012-10-22 22:08:02
  
    Duration: 00:00:03.80, start: 0.000000, bitrate: 3259 kb/s
  
      Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 480x640, 2593 kb/s, 18.73 fps, 29.97 tbr, 600 tbn, 1200 tbc
  
      Metadata:
  
        creation_time   : 2012-10-22 22:08:02
  
        handler_name    : Core Media Data Handler
  
      Stream #0:1(und): Audio: pcm_s16le (lpcm / 0x6D63706C), 44100 Hz, mono, s16, 705 kb/s
  
      Metadata:
  
        creation_time   : 2012-10-22 22:08:02
  
        handler_name    : Core Media Data Handler
  
  File 'encoded.mp4' already exists. Overwrite ? [y/N] y
  
  using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2
  
  [libx264 @ 0x104fa4e0] profile High, level 3.0
  
  [libx264 @ 0x104fa4e0] 264 - core 128 r2216 198a7ea - 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=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=24 lookahead_threads=4 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 'encoded.mp4':
  
    Metadata:
  
      major_brand     : qt  
  
      minor_version   : 0
  
      compatible_brands: qt  
  
      Stream #0:0(und): Video: h264, yuv420p, 480x640, q=-1--1, 90k tbn, 29.97 tbc
  
      Metadata:
  
        creation_time   : 2012-10-22 22:08:02
  
        handler_name    : Core Media Data Handler
  
      Stream #0:1(und): Audio: aac, 44100 Hz, mono, s16, 44 kb/s
  
      Metadata:
  
        creation_time   : 2012-10-22 22:08:02
  
        handler_name    : Core Media Data Handler
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (h264 -> libx264)
  
    Stream #0:1 -> #0:1 (pcm_s16le -> libfaac)
  
  Error while opening decoder for input stream #0:0

  I have uninstalled ffmpeg, recompiled from source, also recompiled x264 and a host of other libraries, but this error persists. Is there anyway I can find out more about what exactly is failing ?

• Seeking with FFMPEG at the end of an RTSP stream

  30 juillet 2019, par kealist

  I am using ffmpeg to play RTSP streams in an application. I have been running into a problem that once I reach the end of an RTSP stream, I am no longer able to see back to anywhere in the stream.

  The program I am writing is using LGPL shared libraries, but I can see the same behavior using ffplay using GPL version.

  ffplay.exe "rtsp://184.72.239.149/vod/mp4:BigBuckBunny_115k.mov"

  While the video is playing, I can seek forward or backwards using the keyboard shortcuts for ffplay (left / right arrow key). Once the stream reaches the end, it is not possible and the stream is paused or playing, seeking no longer works. I see errors in the shared lib, but in ffplay, I do not see errors unless I use the s key (which may make sense that I cannot seek). In other streams, I have seen an issue where the stream is longer than the reported length, and once the extra video is buffered/downloaded, it is not possible to seek. Any guidance on what is going on here ?

  Using ffplay.exe (also verified with newer build) :

  C:\Users\kealist\Downloads\ffmpeg-20180526-63c4a4b-win64-static\bin>ffplay "rtsp://184.72.239.149/vod/mp4:BigBuckBunny_115k.mov"
  
  ffplay version N-91158-g63c4a4b0d6 Copyright (c) 2003-2018 the FFmpeg developers
  
    built with gcc 7.3.0 (GCC)
  
    configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --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-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
  
    libavutil      56. 18.102 / 56. 18.102
  
    libavcodec     58. 19.104 / 58. 19.104
  
    libavformat    58. 17.100 / 58. 17.100
  
    libavdevice    58.  4.100 / 58.  4.100
  
    libavfilter     7. 24.100 /  7. 24.100
  
    libswscale      5.  2.100 /  5.  2.100
  
    libswresample   3.  2.100 /  3.  2.100
  
    libpostproc    55.  2.100 / 55.  2.100
  
  [udp @ 0000023ce71807c0] 'circular_buffer_size' option was set but it is not supported on this build (pthread support is required)
  
  [udp @ 0000023ce7174ac0] 'circular_buffer_size' option was set but it is not supported on this build (pthread support is required)
  
  [udp @ 0000023ce71a6f40] 'circular_buffer_size' option was set but it is not supported on this build (pthread support is required)
  
  [udp @ 0000023ce7174bc0] 'circular_buffer_size' option was set but it is not supported on this build (pthread support is required)
  
  [rtsp @ 0000023ce717d900] UDP timeout, retrying with TCP 0B f=0/0
  
  Input #0, rtsp, from 'rtsp://184.72.239.149/vod/mp4:BigBuckBunny_115k.mov':
  
    Metadata:
  
      title           : BigBuckBunny_115k.mov
  
    Duration: 00:09:56.48, start: 0.000000, bitrate: N/A
  
      Stream #0:0: Audio: aac (LC), 12000 Hz, stereo, fltp
  
      Stream #0:1: Video: h264 (Constrained Baseline), yuv420p(progressive), 240x160, 24 fps, 24 tbr, 90k tbn, 48 tbc
  
  rtsp://184.72.239.149/vod/mp4:BigBuckBunny_115k.mov: error while seeking
  
  rtsp://184.72.239.149/vod/mp4:BigBuckBunny_115k.mov: error while seeking
  
   596.27 A-V:-32.424 fd=1290 aq=    0KB vq=    0KB sq=    0B f=1/1

  With -v trace I can see that there is a Seek message, but no seeking actually occurs whether it is paused or playing.

  video: delay=0.000 A-V=0.173265
  
  Seek to 37% ( 0:03:38) of total duration ( 0:09:56)       B f=1/1
  
  Seek to 83% ( 0:08:14) of total duration ( 0:09:56)       B f=1/1
  
  Seek to 57% ( 0:05:42) of total duration ( 0:09:56)       B f=1/1
  
  Seek to 78% ( 0:07:41) of total duration ( 0:09:56)       B f=1/1
  
  Seek to 85% ( 0:08:24) of total duration ( 0:09:56)       B f=1/1
  
  Seek to 92% ( 0:09:06) of total duration ( 0:09:56)       B f=1/1
  
      Last message repeated 1 times
  
  Seek to 92% ( 0:09:08) of total duration ( 0:09:56)       B f=1/1
  
      Last message repeated 1 times
  
   597.08 A-V:-34.561 fd= 312 aq=    0KB vq=    0KB sq=    0B f=1/1

  Is there a way to mitigate this without reloading the stream ?

• Could not write header for output file #0 (incorrect codec parameters ?) : No such file or directory Error initializing output stream 0:5 —

  13 septembre 2022, par M E

  I am trying to create a DASH manifest and segments from an .mp4 file. I have created a bash files with the commands below, and calling bbb.mp4, but the output gives the error on the subject line. This is the script I am using :

  


  ffmpeg -re -i bbb.mp4 -map 0 -map 0 -c:a aac -c:v libx264 \
-b:v:0 800k -b:v:1 300k -s:v:1 320x170 -profile:v:1 baseline \
-profile:v:0 main -bf 1 -keyint_min 120 -g 120 -sc_threshold 0 \
-b_strategy 0 -ar:a:1 22050 -use_timeline 1 -use_template 1 \
-window_size 5 -adaptation_sets "id=0,streams=v id=1,streams=a" \
-f dash /path/to/out.mpd


  


  After running the command for my bash file dash-demo I get :

  


  $ dash-demo.sh
ffmpeg version 5.1.1-full_build-www.gyan.dev Copyright (c) 2000-2022 the FFmpeg developers
  built with gcc 12.1.0 (Rev2, 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-libdav1d --enable-libdavs2 --enable-libuavs3d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libaom --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-libmfx --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-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      57. 28.100 / 57. 28.100
  libavcodec     59. 37.100 / 59. 37.100
  libavformat    59. 27.100 / 59. 27.100
  libavdevice    59.  7.100 / 59.  7.100
  libavfilter     8. 44.100 /  8. 44.100
  libswscale      6.  7.100 /  6.  7.100
  libswresample   4.  7.100 /  4.  7.100
  libpostproc    56.  6.100 / 56.  6.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'bbb.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 1
    compatible_brands: isomavc1
    creation_time   : 2013-12-16T17:59:32.000000Z
    title           : Big Buck Bunny, Sunflower version
    artist          : Blender Foundation 2008, Janus Bager Kristensen 2013
    comment         : Creative Commons Attribution 3.0 - http://bbb3d.renderfarming.net
    genre           : Animation
    composer        : Sacha Goedegebure
  Duration: 00:10:34.53, start: 0.000000, bitrate: 4486 kb/s
  Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(progressive), 1920x1080 [SAR 1:1 DAR 16:9], 4001 kb/s, 60 fps, 60 tbr, 60k tbn (default)
    Metadata:
      creation_time   : 2013-12-16T17:59:32.000000Z
      handler_name    : GPAC ISO Video Handler
      vendor_id       : [0][0][0][0]
  Stream #0:1[0x2](und): Audio: mp3 (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 160 kb/s (default)
    Metadata:
      creation_time   : 2013-12-16T17:59:37.000000Z
      handler_name    : GPAC ISO Audio Handler
      vendor_id       : [0][0][0][0]
  Stream #0:2[0x3](und): Audio: ac3 (ac-3 / 0x332D6361), 48000 Hz, 5.1(side), fltp, 320 kb/s (default)
    Metadata:
      creation_time   : 2013-12-16T17:59:37.000000Z
      handler_name    : GPAC ISO Audio Handler
      vendor_id       : [0][0][0][0]
    Side data:
      audio service type: main
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
  Stream #0:1 -> #0:1 (mp3 (mp3float) -> aac (native))
  Stream #0:2 -> #0:2 (ac3 (native) -> aac (native))
  Stream #0:0 -> #0:3 (h264 (native) -> h264 (libx264))
  Stream #0:1 -> #0:4 (mp3 (mp3float) -> aac (native))
  Stream #0:2 -> #0:5 (ac3 (native) -> aac (native))
Press [q] to stop, [?] for help
[libx264 @ 00000172d0783040] using SAR=1/1
[libx264 @ 00000172d0783040] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 00000172d0783040] profile Main, level 4.2, 4:2:0, 8-bit
[libx264 @ 00000172d0783040] 264 - core 164 r3095 baee400 - H.264/MPEG-4 AVC codec - Copyleft 2003-2022 - 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=1 me_range=16 chroma_me=1 trellis=1 8x8dct=0 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=1 b_pyramid=0 b_adapt=0 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=120 keyint_min=61 scenecut=0 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=800 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
[libx264 @ 00000172d011dac0] using SAR=17/18
[libx264 @ 00000172d011dac0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 00000172d011dac0] profile Constrained Baseline, level 2.1, 4:2:0, 8-bit
[libx264 @ 00000172d011dac0] 264 - core 164 r3095 baee400 - H.264/MPEG-4 AVC codec - Copyleft 2003-2022 - http://www.videolan.org/x264.html - options: cabac=0 ref=3 deblock=1:0:0 analyse=0x1:0x111 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=5 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=120 keyint_min=61 scenecut=0 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=300 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
[aac @ 00000172d011d2c0] Using a PCE to encode channel layout "5.1(side)"
[aac @ 00000172d0136580] Using a PCE to encode channel layout "5.1(side)"
[dash @ 00000172d0a82880] Opening 'C:/Program Files/Git/path/to/init-stream0.m4s' for writing
Could not write header for output file #0 (incorrect codec parameters ?): No such file or directory
Error initializing output stream 0:5 --
[libx264 @ 00000172d0783040] final ratefactor: 41.41
[aac @ 00000172d04ffc00] Qavg: 8678.318
[aac @ 00000172d04ffc00] 2 frames left in the queue on closing
[aac @ 00000172d011d2c0] Qavg: nan
[libx264 @ 00000172d011dac0] final ratefactor: 34.26
[aac @ 00000172d0136180] Qavg: 8678.318
[aac @ 00000172d0136180] 2 frames left in the queue on closing
[aac @ 00000172d0136580] Qavg: nan
Conversion failed!


  


  What am I doing wrong ?

  


  Thank you !