[FFmpeg-trac] #5820(undetermined:new): WMA Lossless 24-bit Distortions via RTSP
FFmpeg
trac at avcodec.org
Fri Sep 2 19:52:39 EEST 2016
#5820: WMA Lossless 24-bit Distortions via RTSP
-------------------------------------+-------------------------------------
Reporter: DJX | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: git-master | undetermined
Keywords: udp rtsp | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
-------------------------------------+-------------------------------------
Comment (by DJX):
Playing the same song again on the stream and running the modified command
you suggested results in artifact free output and only a few warnings
about "Non-monotonous DTS":
{{{
ffmpeg -rtsp_transport tcp -i rtsp://djxmmx.net/rap-rnb C:\Temp\Out-
RTSP.wav
ffmpeg version N-81516-gbe07c25 Copyright (c) 2000-2016 the FFmpeg
developers
built with gcc 5.4.0 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-dxva2 --enable-libmfx --enable-nvenc --ena
ble-avisynth --enable-bzlib --enable-libebur128 --enable-fontconfig
--enable-frei0r --enable-gnutls --enable-iconv --ena
ble-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-
libfreetype --enable-libgme --enable-libgsm --e
nable-libilbc --enable-libmodplug --enable-libmp3lame --enable-
libopencore-amrnb --enable-libopencore-amrwb --enable-lib
openh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-
libschroedinger --enable-libsnappy --enable-lib
soxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-
libvidstab --enable-libvo-amrwbenc --enable-libvo
rbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264
--enable-libx265 --enable-libxavs --enable-li
bxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zlib
libavutil 55. 29.100 / 55. 29.100
libavcodec 57. 54.101 / 57. 54.101
libavformat 57. 48.101 / 57. 48.101
libavdevice 57. 0.102 / 57. 0.102
libavfilter 6. 58.100 / 6. 58.100
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 1.100 / 2. 1.100
libpostproc 54. 0.100 / 54. 0.100
[wmalossless @ 00000000002ce680] Decoding audio at 24 bit-depth
Input #0, rtsp, from 'rtsp://djxmmx.net/rap-rnb':
Metadata:
MediaFoundationVersion: 2.112
DeviceConformanceTemplate: N2
WM/WMADRCPeakReference: 32767
WM/WMADRCPeakTarget: 32767
WM/WMADRCAverageReference: 10194
WM/WMADRCAverageTarget: 10194
genre : R&B
WMFSDKVersion : 11.0.5721.5145
WMFSDKNeeded : 0.0.0.0000
album : Thr33 Ringz
track : 11
WM/Track : 10
WM/Year : 2008
PeakValue : 32673
AverageLevel : 7035
IsVBR : 1
title : Long Lap Dance
artist : T-Pain
Duration: 00:04:36.47, start: 1.962000, bitrate: N/A
Stream #0:0: Audio: wmalossless (c[1][0][0] / 0x0163), 96000 Hz,
stereo, s32p (24 bit), 1152 kb/s
[wmalossless @ 00000000002cc2e0] Decoding audio at 24 bit-depth
[wav @ 0000000002d13b80] Using AVStream.codec to pass codec parameters to
muxers is deprecated, use AVStream.codecpar in
stead.
Output #0, wav, to 'C:\Temp\Out-RTSP.wav':
Metadata:
MediaFoundationVersion: 2.112
DeviceConformanceTemplate: N2
WM/WMADRCPeakReference: 32767
WM/WMADRCPeakTarget: 32767
WM/WMADRCAverageReference: 10194
WM/WMADRCAverageTarget: 10194
IGNR : R&B
WMFSDKVersion : 11.0.5721.5145
WMFSDKNeeded : 0.0.0.0000
IPRD : Thr33 Ringz
IPRT : 11
WM/Track : 10
WM/Year : 2008
PeakValue : 32673
AverageLevel : 7035
IsVBR : 1
INAM : Long Lap Dance
IART : T-Pain
ISFT : Lavf57.48.101
Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 96000 Hz,
stereo, s16, 3072 kb/s
Metadata:
encoder : Lavc57.54.101 pcm_s16le
Stream mapping:
Stream #0:0 -> #0:0 (wmalossless (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
[wav @ 0000000002d13b80] Non-monotonous DTS in output stream 0:0;
previous: 577600, current: 577536; changing to 577600.
This may result in incorrect timestamps in the output file.
[wav @ 0000000002d13b80] Non-monotonous DTS in output stream 0:0;
previous: 9158752, current: 9158688; changing to 91587
52. This may result in incorrect timestamps in the output file.
[wav @ 0000000002d13b80] Non-monotonous DTS in output stream 0:0;
previous: 9617536, current: 9617472; changing to 96175
36. This may result in incorrect timestamps in the output file.
[wav @ 0000000002d13b80] Non-monotonous DTS in output stream 0:0;
previous: 15913024, current: 15912960; changing to 159
13024. This may result in incorrect timestamps in the output file.
[wav @ 0000000002d13b80] Non-monotonous DTS in output stream 0:0;
previous: 16580704, current: 16580640; changing to 165
80704. This may result in incorrect timestamps in the output file.
[wav @ 0000000002d13b80] Non-monotonous DTS in output stream 0:0;
previous: 26275936, current: 26275872; changing to 262
75936. This may result in incorrect timestamps in the output file.
[wav @ 0000000002d13b80] Non-monotonous DTS in output stream 0:0;
previous: 26349664, current: 26349600; changing to 263
49664. This may result in incorrect timestamps in the output file.
av_interleaved_write_frame(): Immediate exit requested
Error writing trailer of C:\Temp\Out-RTSP.wav: Immediate exit
requestedsize= 102816kB time=00:04:34.54 bitrate=3067.9kb
its/s speed=0.973x
video:0kB audio:102827kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
Exiting normally, received signal 2.
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/5820#comment:5>
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