[FFmpeg-trac] #4714(undetermined:new): wmalossless decoder is not lossless
FFmpeg
trac at avcodec.org
Sat Jul 11 23:12:50 CEST 2015
#4714: wmalossless decoder 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
-------------------------------------+-------------------------------------
ffmpeg's decoder doesn't decode the end of the file (there should be a
little more data decoded, see wav file for comparision)
ffmpeg -i test.wav -f s16le input.pcm
ffmpeg -i test.wma -f s16le ffmpeg.pcm
input.pcm should match ffmpeg.pcm, but it doesn't
input wav file:
http://www.datafilehost.com/d/f8487fd6
input wma file:
http://www.datafilehost.com/d/c0e70968
{{{
C:\>ffmpeg -i test.wma out.wav
ffmpeg version N-73510-g033dc39 Copyright (c) 2000-2015 the FFmpeg
developers
built with gcc 4.9.2 (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-aacenc --enable-libvo-
amrwbenc
--enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp
--enabl
e-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma
--ena
ble-decklink --enable-zlib
libavutil 54. 28.100 / 54. 28.100
libavcodec 56. 47.100 / 56. 47.100
libavformat 56. 40.100 / 56. 40.100
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 21.100 / 5. 21.100
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 2.100 / 1. 2.100
libpostproc 53. 3.100 / 53. 3.100
Input #0, asf, from 'test.wma':
Metadata:
WMFSDKNeeded : 0.0.0.0000
DeviceConformanceTemplate: N1
WM/WMADRCPeakReference: 32767
WM/WMADRCPeakTarget: 32767
WM/WMADRCAverageReference: 11722
WM/WMADRCAverageTarget: 11722
WMFSDKVersion : 11.0.5721.5275
IsVBR : 1
Duration: 00:00:30.01, start: 0.000000, bitrate: 894 kb/s
Stream #0:0(pol): Audio: wmalossless (c[1][0][0] / 0x0163), 44100 Hz,
stereo
, s16p, 1152 kb/s
Output #0, wav, to 'out.wav':
Metadata:
WMFSDKNeeded : 0.0.0.0000
DeviceConformanceTemplate: N1
WM/WMADRCPeakReference: 32767
WM/WMADRCPeakTarget: 32767
WM/WMADRCAverageReference: 11722
WM/WMADRCAverageTarget: 11722
WMFSDKVersion : 11.0.5721.5275
IsVBR : 1
ISFT : Lavf56.40.100
Stream #0:0(pol): Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
stereo
, s16, 1411 kb/s
Metadata:
encoder : Lavc56.47.100 pcm_s16le
Stream mapping:
Stream #0:0 -> #0:0 (wmalossless (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous: 38894,
curre
nt: 28665; changing to 38894. This may result in incorrect timestamps in
the out
put file.
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous: 38894,
curre
nt: 30713; changing to 38894. This may result in incorrect timestamps in
the out
put file.
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous: 38894,
curre
nt: 32761; changing to 38894. This may result in incorrect timestamps in
the out
put file.
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous: 38894,
curre
nt: 34809; changing to 38894. This may result in incorrect timestamps in
the out
put file.
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous: 38894,
curre
nt: 32766; changing to 38894. This may result in incorrect timestamps in
the out
put file.
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous: 38894,
curre
nt: 34814; changing to 38894. This may result in incorrect timestamps in
the out
put file.
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous:
139262, curr
ent: 139224; changing to 139262. This may result in incorrect timestamps
in the
output file.
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous:
206843, curr
ent: 204756; changing to 206843. This may result in incorrect timestamps
in the
output file.
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous:
206843, curr
ent: 206804; changing to 206843. This may result in incorrect timestamps
in the
output file.
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous:
358395, curr
ent: 358357; changing to 358395. This may result in incorrect timestamps
in the
output file.
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous:
389108, curr
ent: 387066; changing to 389108. This may result in incorrect timestamps
in the
output file.
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous:
409595, curr
ent: 409557; changing to 409595. This may result in incorrect timestamps
in the
output file.
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous:
460796, curr
ent: 460757; changing to 460796. This may result in incorrect timestamps
in the
output file.
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous:
632830, curr
ent: 632791; changing to 632830. This may result in incorrect timestamps
in the
output file.
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous:
837630, curr
ent: 837591; changing to 837630. This may result in incorrect timestamps
in the
output file.
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous:
1005563, cur
rent: 1005524; changing to 1005563. This may result in incorrect
timestamps in t
he output file.
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous:
1056763, cur
rent: 1056724; changing to 1056763. This may result in incorrect
timestamps in t
he output file.
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous:
1107963, cur
rent: 1107924; changing to 1107963. This may result in incorrect
timestamps in t
he output file.
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous:
1159163, cur
rent: 1159124; changing to 1159163. This may result in incorrect
timestamps in t
he output file.
[wav @ 034f41e0] Non-monotonous DTS in output stream 0:0; previous:
1228797, cur
rent: 1228758; changing to 1228797. This may result in incorrect
timestamps in t
he output file.
size= 5160kB time=00:00:30.09 bitrate=1404.7kbits/s
video:0kB audio:5160kB subtitle:0kB other streams:0kB global headers:0kB
muxing
overhead: 0.001476%
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/4714>
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