[FFmpeg-trac] #5340(undetermined:new): ffmpeg with WMV input renders incorrect audio length (with some codecs)
FFmpeg
trac at avcodec.org
Wed Mar 16 11:00:17 CET 2016
#5340: ffmpeg with WMV input renders incorrect audio length (with some codecs)
-------------------------------------+-------------------------------------
Reporter: veganaiZe | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: unspecified | undetermined
Keywords: | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
-------------------------------------+-------------------------------------
Changes (by cehoyos):
* keywords: wmv sync =>
Comment:
I tested the following and cannot reproduce the issue:
{{{
$ ffmpeg -i ScreenCapture_2-28-2016\ 12.45.57\ PM.wmv out.aac
ffmpeg version N-79057-gfa3eecf Copyright (c) 2000-2016 the FFmpeg
developers
built with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl
libavutil 55. 19.100 / 55. 19.100
libavcodec 57. 28.103 / 57. 28.103
libavformat 57. 28.102 / 57. 28.102
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 39.102 / 6. 39.102
libswscale 4. 0.100 / 4. 0.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
Input #0, asf, from 'ScreenCapture_2-28-2016 12.45.57 PM.wmv':
Metadata:
VBR Peak : 4569000
DeviceConformanceTemplate: AP
WM/WMADRCPeakReference: 15798
WM/WMADRCPeakTarget: 15798
WM/WMADRCAverageReference: 536
WM/WMADRCAverageTarget: 536
WMFSDKVersion : 12.0.9600.17415
WMFSDKNeeded : 0.0.0.0000
IsVBR : 1
Duration: 00:09:51.39, start: 0.000000, bitrate: 353 kb/s
Stream #0:0(eng): Audio: wmapro (b[1][0][0] / 0x0162), 44100 Hz,
stereo, fltp, 64 kb/s
Stream #0:1(eng): Video: vc1 (Advanced) (WVC1 / 0x31435657), yuv420p,
1068x640 [SAR 139:139 DAR 267:160], 2664 kb/s, 20 tbr, 1k tbn, 40 tbc
Output #0, adts, to 'out.aac':
Metadata:
VBR Peak : 4569000
DeviceConformanceTemplate: AP
WM/WMADRCPeakReference: 15798
WM/WMADRCPeakTarget: 15798
WM/WMADRCAverageReference: 536
WM/WMADRCAverageTarget: 536
WMFSDKVersion : 12.0.9600.17415
WMFSDKNeeded : 0.0.0.0000
IsVBR : 1
encoder : Lavf57.28.102
Stream #0:0(eng): Audio: aac (LC), 44100 Hz, stereo, fltp, 128 kb/s
Metadata:
encoder : Lavc57.28.103 aac
Stream mapping:
Stream #0:0 -> #0:0 (wmapro (native) -> aac (native))
Press [q] to stop, [?] for help
[aac @ 0x3a82760] Queue input is backward in timeits/s speed=25.8x
[adts @ 0x3a81560] Application provided invalid, non monotonically
increasing dts to muxer in stream 0: 19174365 >= 19173357
size= 9407kB time=00:09:51.45 bitrate= 130.3kbits/s speed= 26x
video:0kB audio:9233kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 1.885651%
[aac @ 0x3a82760] Qavg: 29262.689
}}}
The output file is 9:51 afaict, what do I miss?
--
Ticket URL: <https://trac.ffmpeg.org/ticket/5340#comment:2>
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