[FFmpeg-trac] #5298(undetermined:new): mpeg-4 als: output is not lossless
FFmpeg
trac at avcodec.org
Sun Mar 6 20:16:37 CET 2016
#5298: mpeg-4 als: output is not lossless
-------------------------------------+-------------------------------------
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
-------------------------------------+-------------------------------------
{{{
C:\>mp4alsRM23.exe -p -7 -n31705 -MP4 ll.wav
}}}
http://www.datafilehost.com/d/4224898d
{{{
C:\>ffmpeg -i ll.mp4 -f s16le -y ff.pcm
ffmpeg version N-78758-g5156578 Copyright (c) 2000-2016 the FFmpeg
developers
built with gcc 5.3.0 (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-libbs2b --enable-
libcaca --
enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm
--enable-l
ibilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb
--enab
le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-
librtmp --en
able-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora
--ena
ble-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-
libvorbis --
enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264
--enable-lib
x265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma
--enable-d
ecklink --enable-zlib
libavutil 55. 19.100 / 55. 19.100
libavcodec 57. 27.100 / 57. 27.100
libavformat 57. 26.100 / 57. 26.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 37.100 / 6. 37.100
libswscale 4. 0.100 / 4. 0.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'll.mp4':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: mp42isom
creation_time : 2016-03-06 19:10:35
Duration: 00:00:30.01, start: 0.000000, bitrate: 800 kb/s
Stream #0:0(und): Audio: mp4als (mp4a / 0x6134706D), 44100 Hz, 2
channels, s
16, 800 kb/s (default)
Metadata:
creation_time : 2016-03-06 19:10:35
Output #0, s16le, to 'ff.pcm':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: mp42isom
encoder : Lavf57.26.100
Stream #0:0(und): Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
(defaul
t)
Metadata:
creation_time : 2016-03-06 19:10:35
encoder : Lavc57.27.100 pcm_s16le
Stream mapping:
Stream #0:0 -> #0:0 (mp4als (als) -> pcm_s16le (native))
Press [q] to stop, [?] for help
[output stream 0:0 @ 038f2720] 100 buffers queued in output stream 0:0,
somethin
g may be wrong.
size= 5170kB time=00:00:30.01 bitrate=1411.2kbits/s speed= 48x
video:0kB audio:5170kB subtitle:0kB other streams:0kB global headers:0kB
muxing
overhead: 0.000000%
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/5298>
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