[FFmpeg-trac] #1583(undetermined:new): concate audio amix

[FFmpeg]

#1583: concate audio amix
-------------------------------------+-------------------------------------
             Reporter:  StevenG      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by StevenG):

 I try to merge[concat] two audio into one.


 {{{
 d:\2.Prog\All\myTools\xMp4\tools>ffmpeg -i m:\temp\a1.wav -i
 m:\temp\a2.wav -fil
 ter_complex "amix=inputs=2" m:\temp\a3.wav
 ffmpeg version N-42939-g236ecc3 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Jul 26 2012 20:50:57 with gcc 4.7.1 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-ru
 ntime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-
 libass
  --enable-libcelt --enable-libopencore-amrnb --enable-libopencore-amrwb
 --enable
 -libfreetype --enable-libgsm --enable-libmp3lame --enable-libnut --enable-
 libope
 njpeg --enable-librtmp --enable-libschroedinger --enable-libspeex
 --enable-libth
 eora --enable-libutvideo --enable-libvo-aacenc --enable-libvo-amrwbenc
 --enable-
 libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-
 libxvid --e
 nable-zlib
   libavutil      51. 65.100 / 51. 65.100
   libavcodec     54. 45.100 / 54. 45.100
   libavformat    54. 21.100 / 54. 21.100
   libavdevice    54.  2.100 / 54.  2.100
   libavfilter     3.  3.100 /  3.  3.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 15.100 /  0. 15.100
   libpostproc    52.  0.100 / 52.  0.100
 [wav @ 0234cfe0] max_analyze_duration 5000000 reached at 5001333
 Input #0, wav, from 'm:\temp\a1.wav':
   Duration: 00:05:00.03, bitrate: 4608 kb/s
     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, 5.1,
 s16, 4
 608 kb/s
 [wav @ 02343a20] max_analyze_duration 5000000 reached at 5001333
 Input #1, wav, from 'm:\temp\a2.wav':
   Duration: 00:05:00.03, bitrate: 4608 kb/s
     Stream #1:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, 5.1,
 s16, 4
 608 kb/s
 File 'm:\temp\a3.wav' already exists. Overwrite ? [y/N] y
 Output #0, wav, to 'm:\temp\a3.wav':
   Metadata:
     encoder         : Lavf54.21.100
     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, 5.1,
 s16, 4
 608 kb/s
 Stream mapping:
   Stream #0:0 (pcm_s16le) -> amix:input0
   Stream #1:0 (pcm_s16le) -> amix:input1
   amix -> Stream #0:0 (pcm_s16le)
 Press [q] to stop, [?] for help
 size=  168767kB time=00:05:00.03 bitrate=4608.0kbits/s
 video:0kB audio:168767kB subtitle:0 global headers:0kB muxing overhead
 0.000039%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1583#comment:3>
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