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    Puis-je poster des contenus à partir d’une tablette Ipad ?
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    31 janvier 2010, par

    Préambule
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Sur d’autres sites (3146)

  • FFMpeg Input link in1:v0 parameters (size > 640x352, SAR 0:1) do not match the corresponding output link in0:v0 > parameters [duplicate]

    25 avril 2020, par Android Developer

    I am using below command to concatenate videos-

    



    String command[] = {"-i",inputFile1AbsolutePath,"-i",inputFile2AbsolutePath .....,"-i",inputFileNAbsolutePath,"-filter_complex","[0:v0] [0:a0] [1:v1] [1:a1]...[N:vN] concat=n=N:v=1:a=1 [v] [a],"-map","[v]","-map","[a]", outputFileAbsolutePath};


    



    and got below error-

    



    


    FAILED with output : 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/Download/g3cm1tt7qtd41.mp4' :
 Metadata :
 major_brand : iso6
 minor_version : 1
 compatible_brands : mp42iso6avc1isom
 creation_time : 2020-01-30 11:13:07
 Duration : 00:00:00.00, start : 0.042667, bitrate : N/A
 Stream #0:0(und) : Video : h264 (Main) (avc1 / 0x31637661), yuv420p,
 854x480 [SAR 2136:2135 DAR 89:50], 1225 kb/s, 30 fps, 30 tbr, 15360
 tbn, 60 tbc (default)
 Stream #0:1(eng) : Audio : aac (LC) (mp4a / 0x6134706D), 48000 Hz,
 stereo, fltp, 128 kb/s (default)
 Input #1, mov,mp4,m4a,3gp,3g2,mj2, from
 '/storage/emulated/0/WhatsApp/Media/WhatsApp
 Video/VID-20200404-WA0000.mp4' :
 Metadata :
 major_brand : mp42
 minor_version : 0
 compatible_brands : mp42isom
 Duration : 00:03:43.14, start : 0.000000, bitrate : 774 kb/s
 Stream #1:0(und) : Video : h264 (Baseline) (avc1 / 0x31637661), yuv420p,
 640x352, 675 kb/s, 29.97 fps, 29.97 tbr, 600 tbn, 1200 tbc (default)
 Stream #1:1(und) : Audio : aac (LC) (mp4a / 0x6134706D), 44100 Hz, mono,
 fltp, 96 kb/s (default)
 [Parsed_concat_0 @ 0xb4529400] Input link in1:v0 parameters (size
 640x352, SAR 0:1) do not match the corresponding output link in0:v0
 parameters (854x480, SAR 2136:2135)
 [Parsed_concat_0 @ 0xb4529400] Failed to configure output pad on
 Parsed_concat_0
 Error configuring complex filters.
 Invalid argument

    


    



    Seeing this answer i tried using-

    



    [0:v]setsar=1[v0]; [0:a0] [1:v]setsar=1[v1]; [1:a1]


    



    but did not worked !

    



    How can i resolve this ?

    


  • FFmpeg and QuickTime Player dimensions of video do not match [duplicate]

    31 mai 2020, par GRS

    I have a video.mp4, which I scaled using FFmpeg to get out.mp4. The new video has the following probe :

    



    {'streams': [{'index': 0,
   'codec_name': 'h264',
   'codec_long_name': 'H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10',
   'profile': 'High',
   'codec_type': 'video',
   'codec_time_base': '1/50',
   'codec_tag_string': 'avc1',
   'codec_tag': '0x31637661',
   'width': 886,
   'height': 1920,
   'coded_width': 896,
   'coded_height': 1920,
   'has_b_frames': 2,
   'sample_aspect_ratio': '5120:1329',
   'display_aspect_ratio': '16:9',
   'pix_fmt': 'yuv420p',
   'level': 40,
   'chroma_location': 'left',
   'refs': 1,
   'is_avc': 'true',
   'nal_length_size': '4',
   'r_frame_rate': '25/1',
   'avg_frame_rate': '25/1',
   'time_base': '1/12800',
   'start_pts': 0,
   'start_time': '0.000000',
   'duration_ts': 384512,
   'duration': '30.040000',
   'bit_rate': '490832',
   'bits_per_raw_sample': '8',
   'nb_frames': '751',
   'disposition': {'default': 1,
    'dub': 0,
    'original': 0,
    'comment': 0,
    'lyrics': 0,
    'karaoke': 0,
    'forced': 0,
    'hearing_impaired': 0,
    'visual_impaired': 0,
    'clean_effects': 0,
    'attached_pic': 0,
    'timed_thumbnails': 0},
   'tags': {'language': 'und', 'handler_name': 'VideoHandler'}}],
 'format': {'filename': 'out.mp4',
  'nb_streams': 1,
  'nb_programs': 0,
  'format_name': 'mov,mp4,m4a,3gp,3g2,mj2',
  'format_long_name': 'QuickTime / MOV',
  'start_time': '0.000000',
  'duration': '30.040000',
  'size': '1852948',
  'bit_rate': '493461',
  'probe_score': 100,
  'tags': {'major_brand': 'isom',
   'minor_version': '512',
   'compatible_brands': 'isomiso2avc1mp41',
   'encoder': 'Lavf58.20.100'}}}


    



    I am expecting my video player to say the video is 886 x 1920, however, it is 3413:1920.
enter image description here

    



    What could be the error ? I am using pix_frmt=yuva420p and codec=libx264 to create the video.

    



    The error is that my ascpect ratio remains 16:9, which is the original input video, when it should automatically change to 9:19. E.g. 3413 = 1920 * 16 / 9. So why isn't the ascpect ratio changed when the video is scaled ?

    


  • avformat/utils : Find a fallback probe decoder that will also match a forced decoder...

    3 juin 2020, par Samuel Foss
    avformat/utils : Find a fallback probe decoder that will also match a forced decoder's codec.

    Prevent codecpar->codec_id from getting out of sync with the codec instantiated for probing.
    

    Signed-off-by : Samuel Foss <sfoss@google.com>
    
Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>
    • [DH] libavformat/utils.c

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