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Sur d’autres sites (6736)

  • current version of ffmpeg3.3.2 encode twice time of my video,the duration last two times long

    20 juin 2017, par jimmy

    I have a video with 00:01:41.46 play time,and transcode it perfect with ffmpeg-2.1.1,but when I upgrade FFmpeg version to 3.3.2 and compile it with the same compile option and same transcode option as 2.1.1 version used, I got a video with 00:03:21.82 long, I played that video to see what was added after 1:41.46, and find that it just repeat the video from the beginning with no audio, I find out no idea to this issue, it seems to be a bug that FFmpeg introducing, anyone help me !

    here is the log that I had transcoded with ffmpeg 3.3.2 :

    ffmpeg -i natural.mp4 -c:v libx264 -c:a copy output.mp4
    
ffmpeg version 3.3.2 Copyright (c) 2000-2017 the FFmpeg developers
    
built with gcc 4.6 (Ubuntu/Linaro 4.6.4-6ubuntu2)
    

    
configuration: --enable-gpl --enable-nonfree --yasmexe=release/bin/yasm -- prefix=release --cc= --enable-static --disable-shared --disable-debug --extra-cflags=-Irelease/include --extra-ldflags='-Lrelease/lib -lm -ldl' --disable-ffplay --disable-ffprobe --disable-ffserver --disable-doc --enable-postproc --enable-bzlib --enable-zlib --enable-parsers --enable-libx264 --enable-libmp3lame --enable-libfdk-aac --enable-libspeex --enable-pthreads --extra->libs=-lpthread --enable-encoders --enable-decoders --enable-avfilter --enable->muxers --enable-demuxers
    

    
libavutil      55. 58.100 / 55. 58.100
    
libavcodec     57. 89.100 / 57. 89.100
    
libavformat    57. 71.100 / 57. 71.100
    
libavdevice    57.  6.100 / 57.  6.100
    
libavfilter     6. 82.100 /  6. 82.100
    
libswscale      4.  6.100 /  4.  6.100
    
libswresample   2.  7.100 /  2.  7.100
    
libpostproc    54.  5.100 / 54.  5.100
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'natural.mp4':
    
  Metadata:
    
  major_brand     : mp42
    
  minor_version   : 0
    
  compatible_brands: mp42isom
    
  creation_time   : 2009-07-11T08:32:34.000000Z
    
  encoder         : mp4creator 1.6.1d
    
  Duration: 00:01:41.46, start: 0.000000, bitrate: 9063 kb/s
    
  Stream #0:0(eng): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, 1440x1080 [SAR 4:3 DAR 16:9], 8976 kb/s, 23.98 fps, 23.98 tbr, 90k tbn, 2997 tbc (default)
    
Metadata:
    
    creation_time   : 2009-07-11T08:32:34.000000Z
    
Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default)
    
Metadata:
    
    creation_time   : 2009-07-11T08:33:09.000000Z
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (mpeg4 (native) -> h264 (libx264))
    
  Stream #0:1 -> #0:1 (copy)
    
Press [q] to stop, [?] for help
    
[libx264 @ 0x2d951e0] using SAR=4/3
    
[libx264 @ 0x2d951e0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX AVX2 FMA3 LZCNT BMI2
    
[libx264 @ 0x2d951e0] profile High, level 4.0
    
[libx264 @ 0x2d951e0] 264 - core 138 r1+3473M a37a143 - H.264/MPEG-4 AVC codec >- Copyleft 2003-2013 - 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=23 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 'output.mp4':
    
Metadata:
    
  major_brand     : mp42
    
  minor_version   : 0
    
  compatible_brands: mp42isom
    
  encoder         : Lavf57.71.100
    
Stream #0:0(eng): Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 1440x1080 [SAR 4:3 DAR 16:9], q=-1--1, 23.98 fps, 24k tbn, 23.98 tbc (default)
    
  Metadata:
    
    creation_time   : 2009-07-11T08:32:34.000000Z
    
    encoder         : Lavc57.89.100 libx264
    
  Side data:
    
    cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    
  Stream #0:1(eng): Audio: aac (LC) ([64][0][0][0] / 0x0040), 44100 Hz, stereo, fltp, 125 kb/s (default)
    
  Metadata:
    
    creation_time   : 2009-07-11T08:33:09.000000Z
    
frame= 4842 fps= 27 q=-1.0 Lsize=  107608kB time=00:03:21.82 
    
bitrate=4367.8kbits/s speed=1.11x     
    
    video:105973kB audio:1556kB subtitle:0kB other streams:0kB global headers:0kB >muxing overhead: 0.074199%
    
[libx264 @ 0x2d951e0] frame I:54    Avg QP:19.81  size: 77248
    
[libx264 @ 0x2d951e0] frame P:3960  Avg QP:22.01  size: 25371
    
[libx264 @ 0x2d951e0] frame B:828   Avg QP:23.01  size:  4680
    
[libx264 @ 0x2d951e0] consecutive B-frames: 75.2%  4.6%  4.3% 15.9%
    
[libx264 @ 0x2d951e0] mb I  I16..4: 17.0% 79.0%  3.9%
    
[libx264 @ 0x2d951e0] mb P  I16..4:  2.1%  7.8%  0.2%  P16..4: 43.9%  9.7% 6.4%  0.0%  0.0%    skip:29.9%
    
[libx264 @ 0x2d951e0] mb B  I16..4:  0.2%  1.1%  0.0%  B16..8: 29.2%  1.2%  0.2%  direct: 0.7%  skip:67.3%  L0:49.0% L1:47.7% BI: 3.3%
    
[libx264 @ 0x2d951e0] 8x8 transform intra:78.1% inter:81.6%
    
[libx264 @ 0x2d951e0] coded y,uvDC,uvAC intra: 52.3% 66.4% 11.9% inter: 20.5% >24.2% 0.8%
    
[libx264 @ 0x2d951e0] i16 v,h,dc,p: 32% 22% 28% 18%
    
[libx264 @ 0x2d951e0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 19% 43%  3%  3%  3%  5%  2%  4%
    
[libx264 @ 0x2d951e0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 23% 24% 12%  4%  8%  7% 11%  4%  5%
    
[libx264 @ 0x2d951e0] i8c dc,h,v,p: 50% 23% 23%  4%
    
[libx264 @ 0x2d951e0] Weighted P-Frames: Y:1.5% UV:0.3%
    
[libx264 @ 0x2d951e0] ref P L0: 71.9% 17.0%  8.5%  2.5%  0.0%
    
[libx264 @ 0x2d951e0] ref B L0: 89.7%  9.2%  1.2%
    
[libx264 @ 0x2d951e0] ref B L1: 97.5%  2.5%
    
[libx264 @ 0x2d951e0] kb/s:4298.67

    Here is the output when use ffmpeg -i natural.mp4 -c copy out.mp4,the output still last double times long :

    ./ffmpeg -i natural.mp4 -c copy out.mp4
    
ffmpeg version 3.3.2 Copyright (c) 2000-2017 the FFmpeg developers
    
built with gcc 4.6 (Ubuntu/Linaro 4.6.4-6ubuntu2)
    
  configuration: --enable-gpl --enable-nonfree --yasmexe=release/bin/yasm --prefix=release --cc= --enable-static --disable-shared --disable-debug --extra-cflags=-Irelease/include --extra-ldflags='-Lrelease/lib -lm -ldl' --disable-ffplay --disable-ffprobe --disable-ffserver --disable-doc --enable-postproc --enable-bzlib --enable-zlib --enable-parsers --enable-libx264 --enable-libmp3lame --enable-libfdk-aac --enable-libspeex --enable-pthreads --extra-libs=-lpthread --enable-encoders --enable-decoders --enable-avfilter --enable-muxers --enable-demuxers
    
  libavutil      55. 58.100 / 55. 58.100
    
  libavcodec     57. 89.100 / 57. 89.100
    
  libavformat    57. 71.100 / 57. 71.100
    
  libavdevice    57.  6.100 / 57.  6.100
    
  libavfilter     6. 82.100 /  6. 82.100
    
  libswscale      4.  6.100 /  4.  6.100
    
  libswresample   2.  7.100 /  2.  7.100
    
  libpostproc    54.  5.100 / 54.  5.100
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'natural.mp4':
    
  Metadata:
    
    major_brand     : mp42
    
    minor_version   : 0
    
    compatible_brands: mp42isom
    
    creation_time   : 2009-07-11T08:32:34.000000Z
    
    encoder         : mp4creator 1.6.1d
    
  Duration: 00:01:41.46, start: 0.000000, bitrate: 9063 kb/s
    
    Stream #0:0(eng): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, 1440x1080 [SAR 4:3 DAR 16:9], 8976 kb/s, 23.98 fps, 23.98 tbr, 90k tbn, 2997 tbc (default)
    
    Metadata:
    
      creation_time   : 2009-07-11T08:32:34.000000Z
    
    Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default)
    
    Metadata:
    
      creation_time   : 2009-07-11T08:33:09.000000Z
    
Output #0, mp4, to 'out.mp4':
    
  Metadata:
    
    major_brand     : mp42
    
    minor_version   : 0
    
    compatible_brands: mp42isom
    
    encoder         : Lavf57.71.100
    
    Stream #0:0(eng): Video: mpeg4 (Simple Profile) ( [0][0][0] / 0x0020), yuv420p, 1440x1080 [SAR 4:3 DAR 16:9], q=2-31, 8976 kb/s, 23.98 fps, 23.98 tbr, 90k tbn, 90k tbc (default)
    
    Metadata:
    
      creation_time   : 2009-07-11T08:32:34.000000Z
    
    Stream #0:1(eng): Audio: aac (LC) ([64][0][0][0] / 0x0040), 44100 Hz, stereo, fltp, 125 kb/s (default)
    
    Metadata:
    
      creation_time   : 2009-07-11T08:33:09.000000Z
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (copy)
    
  Stream #0:1 -> #0:1 (copy)
    
Press [q] to stop, [?] for help
    
frame= 4842 fps=2243 q=-1.0 Lsize=  222944kB time=00:03:21.91 
    
bitrate=9045.4kbits/s speed=93.5x    
    
video:221299kB audio:1556kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.039627%

    Here is the output what ffmpeg-2.1.1 generate,It’s executed correctly :

    ./ffmpeg -i natural.mp4 -c copy output2.mp4
    
ffmpeg version 2.1.1 Copyright (c) 2000-2013 the FFmpeg developers
    
  built on Mar 10 2017 13:56:14 with gcc 4.6 (Ubuntu/Linaro 4.6.4-6ubuntu2)
    
  configuration: --enable-gpl --enable-nonfree --yasmexe=release/bin/yasm --prefix=release --cc= --enable-static --disable-shared --disable-debug --extra-cflags='-I${ffmpeg_exported_release_dir}/include' --extra-ldflags='-L${ffmpeg_exported_release_dir}/lib -lm -ldl' --disable-ffplay --disable-ffprobe --disable-ffserver --disable-doc --enable-postproc --enable-bzlib --enable-zlib --enable-parsers --enable-libx264 --enable-libmp3lame --enable-libfdk-aac --enable-libspeex --enable-pthreads --extra-libs=-lpthread --enable-encoders --enable-decoders --enable-avfilter --enable-muxers --enable-demuxers
    
  libavutil      52. 48.101 / 52. 48.101
    
  libavcodec     55. 39.101 / 55. 39.101
    
  libavformat    55. 19.104 / 55. 19.104
    
  libavdevice    55.  5.100 / 55.  5.100
    
  libavfilter     3. 90.100 /  3. 90.100
    
  libswscale      2.  5.101 /  2.  5.101
    
  libswresample   0. 17.104 /  0. 17.104
    
  libpostproc    52.  3.100 / 52.  3.100
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x2d2e900] multiple edit list entries, a/v desync might occur, patch welcome
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'natural.mp4':
    
  Metadata:
    
    major_brand     : mp42
    
    minor_version   : 0
    
    compatible_brands: mp42isom
    
    creation_time   : 2009-07-11 08:32:34
    
    encoder         : mp4creator 1.6.1d
    
  Duration: 00:01:41.46, start: 0.000000, bitrate: 9063 kb/s
    
    Stream #0:0(eng): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, 1440x1080 [SAR 4:3 DAR 16:9], 8976 kb/s, 23.98 fps, 23.98 tbr, 90k tbn, 2997 tbc (default)
    
    Metadata:
    
      creation_time   : 2009-07-11 08:32:34
    
    Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default)
    
    Metadata:
    
      creation_time   : 2009-07-11 08:33:09
    
Output #0, mp4, to 'output2.mp4':
    
  Metadata:
    
    major_brand     : mp42
    
    minor_version   : 0
    
    compatible_brands: mp42isom
    
    encoder         : Lavf55.19.104
    
    Stream #0:0(eng): Video: mpeg4 ( [0][0][0] / 0x0020), yuv420p, 1440x1080 [SAR 4:3 DAR 16:9], q=2-31, 8976 kb/s, 23.98 fps, 90k tbn, 90k tbc (default)
    
    Metadata:
    
      creation_time   : 2009-07-11 08:32:34
    
    Stream #0:1(eng): Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, stereo, 125 kb/s (default)
    
    Metadata:
    
      creation_time   : 2009-07-11 08:33:09
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (copy)
    
  Stream #0:1 -> #0:1 (copy)
    
Press [q] to stop, [?] for help
    
frame= 2421 fps=0.0 q=-1.0 Lsize=  112273kB time=00:01:41.49 bitrate=9062.0kbits/s    
    
video:110650kB audio:1556kB subtitle:0 global headers:0kB muxing overhead 0.060302%

    Here is the video link

  • Cannot play H264/AAC, mpeg-ts, HTTP stream in browser [on hold]

    19 mars 2019, par Ishaan Shringi

    I have a H264/AAC based MPEG-2 transport stream from a server.

    The browser is unable to play the stream natively, probably because of the transport stream container format.

    I could not find a javascript player that could support this stream.

    Is this possible using any js library, plugin or an extension implementation ?

  • Creating a Discord Bot to play .mp3 files

    31 décembre 2020, par TheGr3atJosh

    My goal at the moment is to create a Discord Bot that can play .mp3 files for my private Discord Server. This is my code. The file test.mp3 is in the same folder as the .py file. The error message is : "NameError : name 'FFmpegPCMAudio' is not defined". I added the ffmpeg executable in my path environment variable. Can anyone help ?

    


    import discord
import asyncio
import time

client = discord.Client()

@client.event
async def on_message(message):
    if "test" in message.content:
        user = message.author
        voice_channel = user.voice.channel
        channel = None
        if voice_channel != None:
            channel = voice_channel.name
            vc = await voice_channel.connect()
            player = vc.play(FFmpegPCMAudio("test.mp3"), after=lambda: print('done'))
            player.start()
            while not player.is_done():
                await asyncio.sleep(1)
            player.stop()
            await vc.disconnect()

client.run(TOKEN)


    


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