[FFmpeg-trac] #2854(undetermined:new): support msn audio
FFmpeg
trac at avcodec.org
Mon Aug 12 20:24:08 CEST 2013
#2854: support msn audio
-------------------------------------+-------------------------------------
Reporter: ami_stuff | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: | undetermined
unspecified | Keywords:
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
-------------------------------------+-------------------------------------
it looks like it's just a gsm_ms
http://samples.mplayerhq.hu/A-codecs/MSN/msnaudio.asf
here are more samples:
http://www1.datafilehost.com/d/67f602fc
44khz_mono_71663_baund.avi
22khz_mono_35832_baund.avi
11khz_mono_17916_baund.avi
8khz_mono_13000_baund.avi
decodes ok, the rest of the modes needs some tweaks in the decoder
{{{
C:\>ffmpeg -i msnaudio.asf
ffmpeg version N-55393-g3b2e99f Copyright (c) 2000-2013 the FFmpeg
developers
built on Aug 8 2013 21:32:57 with gcc 4.7.3 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
--enab
le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-
libfreetyp
e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame
--ena
ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
--enable-l
ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr
--enable-libsp
eex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-
libvo-
amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-
libxavs --
enable-libxvid --enable-zlib
libavutil 52. 41.100 / 52. 41.100
libavcodec 55. 24.100 / 55. 24.100
libavformat 55. 13.102 / 55. 13.102
libavdevice 55. 3.100 / 55. 3.100
libavfilter 3. 82.100 / 3. 82.100
libswscale 2. 4.100 / 2. 4.100
libswresample 0. 17.103 / 0. 17.103
libpostproc 52. 3.100 / 52. 3.100
[asf @ 029d78a0] Estimating duration from bitrate, this may be inaccurate
[asf @ 029d78a0] Could not find codec parameters for stream 0 (Audio: none
(2[0]
[0][0] / 0x0032), 22050 Hz, 1 channels, 35 kb/s): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
Guessed Channel Layout for Input Stream #0.0 : mono
Input #0, asf, from 'msnaudio.asf':
Metadata:
title : Scorpion Segment 3
copyright : Paramount Pictures
Duration: 00:05:44.38, start: 0.000000, bitrate: 35 kb/s
Stream #0:0: Audio: none (2[0][0][0] / 0x0032), 22050 Hz, mono, 35
kb/s
Stream #0:1: Video: msmpeg4v2 (MP42 / 0x3234504D), yuv420p, 320x240,
36.17 t
br, 1k tbn, 1k tbc
At least one output file must be specified
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2854>
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