[FFmpeg-trac] #6563(undetermined:new): LPCM is recognised as MLP in VOB
FFmpeg
trac at avcodec.org
Wed Aug 2 08:53:14 EEST 2017
#6563: LPCM is recognised as MLP in VOB
-------------------------------------+-------------------------------------
Reporter: macdavis | Type: defect
Status: new | Priority: normal
Component: | Version: git-
undetermined | master
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
The sample file can be downloaded here. [http://s1.demo-
world.eu/sd_trailers.php?file=dts_sparks_sprite_suite_mix-DWEU.vob] [[BR]]
The second audio track is LPCM while FFmpeg recognises as MLP and fails to
decode it.
How to reproduce:
{{{
ffmpeg -i /Volumes/RamDisk/dts_sparks_sprite_suite_mix-DWEU.vob -f null -
ffmpeg version 3.3.git Copyright (c) 2000-2017 the FFmpeg developers
built with Apple LLVM version 8.1.0 (clang-802.0.42)
configuration: --optflags=-Ofast --prefix=/usr/local --extra-
cflags='-march=haswell -mtune=intel -m64 -minline-all-stringops -fomit-
frame-pointer -fforce-addr -finline-functions -funit-at-a-time -funroll-
loops -ffunction-sections -fdata-sections -Ofast -pipe -fomit-frame-
pointer -ftree-vectorize' --target-os=darwin --arch=x86_64 --cpu=haswell
--disable-runtime-cpudetect --disable-debug --disable-opencl --disable-
avdevice --disable-ffplay --disable-ffprobe --disable-postproc --disable-
ffserver --disable-devices --disable-avresample --disable-indev=qtkit
--disable-doc --enable-pthreads --enable-version3 --enable-hardcoded-
tables --enable-gpl --enable-nonfree
libavutil 55. 69.100 / 55. 69.100
libavcodec 57.102.100 / 57.102.100
libavformat 57. 76.100 / 57. 76.100
libavfilter 6. 95.100 / 6. 95.100
libswscale 4. 7.101 / 4. 7.101
libswresample 2. 8.100 / 2. 8.100
[mpeg @ 0x7fe625002600] start time for stream 3 is not set in
estimate_timings_from_pts
[mpeg @ 0x7fe625002600] Could not find codec parameters for stream 3
(Audio: mlp, 0 channels): unspecified sample format
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
Input #0, mpeg, from '/Volumes/RamDisk/dts_sparks_sprite_suite_mix-
DWEU.vob':
Duration: 00:00:18.68, start: 0.300300, bitrate: 9240 kb/s
Stream #0:0[0x1bf]: Data: dvd_nav_packet
Stream #0:1[0x1e0]: Video: mpeg2video (Main), yuv420p(tv, top first),
720x480 [SAR 32:27 DAR 16:9], 6000 kb/s, 29.97 fps, 59.94 tbr, 90k tbn,
59.94 tbc
Stream #0:2[0x88]: Audio: dts (DTS-ES), 48000 Hz, 6.1, fltp, 1536 kb/s
Stream #0:3[0xa1]: Audio: mlp, 0 channels
Stream mapping:
Stream #0:1 -> #0:0 (mpeg2video (native) -> wrapped_avframe (native))
Stream #0:2 -> #0:1 (dts (dca) -> pcm_s16le (native))
Press [q] to stop, [?] for help
Output #0, null, to 'pipe:':
Metadata:
encoder : Lavf57.76.100
Stream #0:0: Video: wrapped_avframe, yuv420p(top coded first
(swapped)), 720x480 [SAR 32:27 DAR 16:9], q=2-31, 200 kb/s, 29.97 fps,
29.97 tbn, 29.97 tbc
Metadata:
encoder : Lavc57.102.100 wrapped_avframe
Stream #0:1: Audio: pcm_s16le, 48000 Hz, 6.1, s16, 5376 kb/s
Metadata:
encoder : Lavc57.102.100 pcm_s16le
[null @ 0x7fe62503e200] Application provided invalid, non monotonically
increasing dts to muxer in stream 0: 475 >= 475
frame= 504 fps=0.0 q=-0.0 Lsize=N/A time=00:00:18.68 bitrate=N/A
speed=63.5x
video:260kB audio:12264kB subtitle:0kB other streams:0kB global
headers:0kB muxing overhead: unknown
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/6563>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
More information about the FFmpeg-trac
mailing list