[FFmpeg-user] mix 2 mp4 audio only

[Madovsky]

----- Original Message ----- 
From: "Carl Eugen Hoyos" <cehoyos at ag.or.at>
To: <ffmpeg-user at ffmpeg.org>
Sent: Sunday, February 03, 2013 10:08 PM
Subject: Re: [FFmpeg-user] mix 2 mp4 audio only


> Madovsky <infos <at> madovsky.org> writes:
>
>> I'm trying to mix 2 streams without to decode
>> reencode using audio only
>>
>> ffmpeg -i stream1.mp4 -i stream2.mp4 -vn
>> -map 0:1 -map 1:1 -acodec copy out.mp4
>
> Please provide complete, uncut console output
> with every failing command line.
>
> Carl Eugen

ok sorry I thought it was my mistake

====

ffmpeg -debug -i stream1.mp4 -i stream2.mp4 -vn -map 0:1 -map 1:1 -acodec 
copy -y output.mp4
ffmpeg version N-49564-gd106679 Copyright (c) 2000-2013 the FFmpeg 
developers
  built on Feb  3 2013 16:11:33 with gcc 4.3.2 (GCC) 20081105 (Red Hat 
4.3.2-7)
  configuration: --enable-static --enable-gpl --enable-nonfree --enable-libfaac 
 --enable-libx264 --enable-pthreads --enable-postproc --enable-libspeex --enable-librtmp 
 --enable-runtime-cpudetect --enable-libfreetype
  libavutil      52. 17.100 / 52. 17.100
  libavcodec     54. 91.100 / 54. 91.100
  libavformat    54. 61.104 / 54. 61.104
  libavdevice    54.  3.103 / 54.  3.103
  libavfilter     3. 35.101 /  3. 35.101
  libswscale      2.  2.100 /  2.  2.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
 matched as AVOption 'debug' with argument '-i'.
Reading option 'stream1.mp4' ... matched as output file.
Reading option '-i' ... matched as input file with argument 'stream2.mp4'.
Reading option '-vn' ... matched as option 'vn' (disable video) with 
argument '1'.
Reading option '-map' ... matched as option 'map' (set input stream mapping) 
with argument '0:1'.
Reading option '-map' ... matched as option 'map' (set input stream mapping) 
with argument '1:1'.
Reading option '-acodec' ... matched as option 'acodec' (force audio codec 
('copy' to copy stream)) with argument 'copy'.
Reading option '-y' ... matched as option 'y' (overwrite output files) with 
argument '1'.
Reading option 'output.mp4' ... matched as output file.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option y (overwrite output files) with argument 1.
Successfully parsed a group of options.
Parsing a group of options: input file stream2.mp4.
Successfully parsed a group of options.
Opening an input file: stream2.mp4.
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x211ab00] Format mov,mp4,m4a,3gp,3g2,mj2 probed 
with size=2048 and score=100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x211ab00] ISO: File Type Major Brand: isom
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x211ab00] File position before 
avformat_find_stream_info() is 15758205
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x211ab00] All info found
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x211ab00] File position after 
avformat_find_stream_info() is 16912
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'stream2.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    title           : Twilight 4 Breaking Dawn
    encoder         : Lavf54.59.106
  Duration: 00:02:30.79, start: 0.000000, bitrate: 836 kb/s
    Stream #0:0(und), 1, 1/11988: Video: h264 (Constrained Baseline) (avc1 / 
0x31637661), yuv420p, 960x408 [SAR 1:1 DAR 40:17], 125/5994, 740 kb/s, 23.98 
fps, 23.98 tbr, 11988 tbn, 47.95 tbc
    Metadata:
      handler_name    : VideoHandler
    Stream #0:1(und), 1, 1/44100: Audio: aac (mp4a / 0x6134706D), 44100 Hz, 
stereo, fltp, 91 kb/s
    Metadata:
      handler_name    : SoundHandler
Successfully opened the file.
Parsing a group of options: output file stream1.mp4.
Successfully parsed a group of options.
Opening an output file: stream1.mp4.
Successfully opened the file.
Parsing a group of options: output file output.mp4.
Applying option vn (disable video) with argument 1.
Applying option map (set input stream mapping) with argument 0:1.
Applying option map (set input stream mapping) with argument 1:1.
Invalid input file index: 1.
Statistics: 154203 bytes read, 2 seeks

===


thanks

Franck