[FFmpeg-trac] #1707(FFplay:new): ffplay: Increasing desync

FFmpeg trac at avcodec.org
Fri Aug 31 17:59:02 CEST 2012


#1707: ffplay: Increasing desync
--------------------------------------+--------------------------------
               Reporter:  cehoyos     |                  Owner:
                   Type:  defect      |                 Status:  new
               Priority:  normal      |              Component:  FFplay
                Version:  git-master  |               Keywords:
             Blocked By:              |               Blocking:
Reproduced by developer:  0           |  Analyzed by developer:  0
--------------------------------------+--------------------------------
 The sample from ticket #1230 can be transcoded with ffmpeg ("ffmpeg -i
 smaller-sample-file.wmv -qscale 2 out.avi") and mplayer and vlc play the
 resulting file as expected (and mplayer plays the original file fine).
 Playing the original file with ffplay, increasing A/V desync can be
 observed.
 {{{
 $ ffplay version N-44062-ga9a1bc5 Copyright (c) 2003-2012 the FFmpeg
 developers
   built on Aug 31 2012 14:37:22 with gcc 4.5.3 (GCC)
   configuration: --cc=/usr/local/gcc-4.5.3/bin/gcc
   libavutil      51. 70.100 / 51. 70.100
   libavcodec     54. 55.100 / 54. 55.100
   libavformat    54. 25.104 / 54. 25.104
   libavdevice    54.  2.100 / 54.  2.100
   libavfilter     3. 14.100 /  3. 14.100
   libswscale      2.  1.101 /  2.  1.101
   libswresample   0. 15.100 /  0. 15.100
 Input #0, asf, from 'smaller-sample-file.wmv':
   Metadata:
     title           : Phlebotomy Forum-Legal Considerations in Phlebotomy
     comment         : Microsoft Office LiveMeeting 2005 Replay.  Recorded
 on Wednesday, November 9, 2011 11:01:34 AM GMT-06:00
     WM/Year         : 2011
     WMFSDKVersion   : 10.00.00.4007
     WMFSDKNeeded    : 0.0.0.0000
     IsVBR           : 0
   Duration: 01:06:38.04, start: 0.000000, bitrate: 5 kb/s
     Chapter #0.0: start 5.000000, end 87.750000
     Metadata:
       title           : Legal Considerations in Phlebotomy
     Chapter #0.1: start 87.750000, end 105.750000
     Metadata:
       title           : Disclosures:
     Chapter #0.2: start 105.750000, end 170.750000
     Metadata:
       title           : Agenda
     Chapter #0.3: start 170.750000, end 291.250000
     Metadata:
       title           : The High Price of Malpractice Claims
     Chapter #0.4: start 291.250000, end 380.250000
     Metadata:
       title           : Malpractice = Medical Negligence
     Chapter #0.5: start 380.250000, end 409.750000
     Metadata:
       title           : Duty
     Chapter #0.6: start 409.750000, end 578.250000
     Metadata:
       title           : Standards in Phlebotomy
     Chapter #0.7: start 578.250000, end 650.750000
     Metadata:
       title           : Causation
     Chapter #0.8: start 650.750000, end 736.250000
     Metadata:
       title           : Failure to License Not Cause
     Chapter #0.9: start 736.250000, end 826.250000
     Metadata:
       title           : Causation Not Established
     Chapter #0.10: start 826.250000, end 1000.250000
     Metadata:
       title           : Injury
     Chapter #0.11: start 1000.250000, end 1083.250000
     Metadata:
       title           : Fear
     Chapter #0.12: start 1083.250000, end 1194.250000
     Metadata:
       title           : Distress
     Chapter #0.13: start 1194.250000, end 1225.250000
     Metadata:
       title           : Compensable Harm
     Chapter #0.14: start 1225.250000, end 1305.750000
     Metadata:
       title           : Types of Damages
     Chapter #0.15: start 1305.750000, end 1370.750000
     Metadata:
       title           : Wanton Disregard
     Chapter #0.16: start 1370.750000, end 1384.250000
     Metadata:
       title           : Source of Errors
     Chapter #0.17: start 1384.250000, end 1472.250000
     Metadata:
       title           : Procedural Errors
     Chapter #0.18: start 1472.250000, end 1526.250000
     Metadata:
       title           : Decisional Errors
     Chapter #0.19: start 1526.250000, end 1553.750000
     Metadata:
       title           : Administrative Errors
     Chapter #0.20: start 1553.750000, end 1583.250000
     Metadata:
       title           : Wilkerson v.  Laboratory Corp. of America (2005)
     Chapter #0.21: start 1583.250000, end 1629.750000
     Metadata:
       title           : Wilkerson v. LabCorp, cont’d
     Chapter #0.22: start 1629.750000, end 1631.750000
     Metadata:
       title           : Baptist Healthcare Systems, Inc. v. Golda Miller,
 et al (2005)
     Chapter #0.23: start 1631.750000, end 1667.750000
     Metadata:
       title           : Wilkerson v. LabCorp, cont’d
     Chapter #0.24: start 1667.750000, end 1699.750000
     Metadata:
       title           : Baptist Healthcare Systems, Inc. v. Golda Miller,
 et al (2005)
     Chapter #0.25: start 1699.750000, end 1733.250000
     Metadata:
       title           : Baptist Healthcare Systems, Inc. v. Golda Miller,
 et al
     Chapter #0.26: start 1733.250000, end 1760.250000
     Metadata:
       title           : Fairshter v. American National Red Cross (2004)
     Chapter #0.27: start 1760.250000, end 1796.750000
     Metadata:
       title           : Fairshter v. American National Red Cross (2004)
     Chapter #0.28: start 1796.750000, end 1861.250000
     Metadata:
       title           : Fairshter v. American National Red Cross (2004)
     Chapter #0.29: start 1861.250000, end 1958.250000
     Metadata:
       title           : Pietrunti v. Island Diagnostic Laboratories (1998)
     Chapter #0.30: start 1958.250000, end 1959.250000
     Metadata:
       title           : No Negligence
     Chapter #0.31: start 1959.250000, end 1988.750000
     Metadata:
       title           : Pietrunti v. Island Diagnostic Laboratories (1998)
     Chapter #0.32: start 1988.750000, end 1994.750000
     Metadata:
       title           : No Negligence
     Chapter #0.33: start 1994.750000, end 2011.250000
     Metadata:
       title           : Pietrunti v. Island Diagnostic Laboratories (1998)
     Chapter #0.34: start 2011.250000, end 2029.750000
     Metadata:
       title           : Mislabels
     Chapter #0.35: start 2029.750000, end 2125.750000
     Metadata:
       title           : Mislabels
     Chapter #0.36: start 2125.750000, end 2192.750000
     Metadata:
       title           : You Be The Judge
     Chapter #0.37: start 2192.750000, end 2250.750000
     Metadata:
       title           : You Be the Judge
     Chapter #0.38: start 2250.750000, end 2307.250000
     Metadata:
       title           : You Be the Judge
     Chapter #0.39: start 2307.250000, end 2349.750000
     Metadata:
       title           : You Be the Judge
     Chapter #0.40: start 2349.750000, end 2395.250000
     Metadata:
       title           : You Be the Judge
     Chapter #0.41: start 2395.250000, end 2397.750000
     Metadata:
       title           : Needlestick Injuries
     Chapter #0.42: start 2397.750000, end 2460.750000
     Metadata:
       title           : Needlestick Injuries
     Chapter #0.43: start 2460.750000, end 2463.250000
     Metadata:
       title           : Minimizing Risks
     Chapter #0.44: start 2463.250000, end 2541.250000
     Metadata:
       title           : Minimizing Risks
     Chapter #0.45: start 2541.250000, end 2623.250000
     Metadata:
       title           : Training
     Chapter #0.46: start 2623.250000, end 2696.250000
     Metadata:
       title           : Training
     Chapter #0.47: start 2696.250000, end 2738.250000
     Metadata:
       title           : Training
     Chapter #0.48: start 2738.250000, end 2883.250000
     Metadata:
       title           : Proper Supervision
     Chapter #0.49: start 2883.250000, end 2884.250000
     Metadata:
       title           : Proper Supervision
     Chapter #0.50: start 2883.250000, end 2884.250000
     Metadata:
       title           : Proper Supervision
     Chapter #0.51: start 2884.250000, end 2918.250000
     Metadata:
       title           : Proper Supervision
     Chapter #0.52: start 2918.250000, end 2945.250000
     Metadata:
       title           : Proper Supervision
     Chapter #0.53: start 2945.250000, end 2951.750000
     Metadata:
       title           : Documentation
     Chapter #0.54: start 2951.750000, end 3066.750000
     Metadata:
       title           : Why is documentation so important?
     Chapter #0.55: start 3066.750000, end 3101.250000
     Metadata:
       title           : Slide 52
     Chapter #0.56: start 3101.250000, end 3173.750000
     Metadata:
       title           : Proper Documentation
     Chapter #0.57: start 3173.750000, end 3197.750000
     Metadata:
       title           : Slide 54
     Chapter #0.58: start 3197.750000, end 3314.750000
     Metadata:
       title           : Slide 55
     Chapter #0.59: start 3314.750000, end 3340.250000
     Metadata:
       title           : Summary
     Chapter #0.60: start 3340.250000, end 3655.750000
     Metadata:
       title           : Slide 57
     Chapter #0.61: start 3655.750000, end 3998.048000
     Metadata:
       title           : Thank you!
     Stream #0:0: Audio: wmav2 (a[1][0][0] / 0x0161), 16000 Hz, 1 channels,
 s16, 16 kb/s
     Stream #0:1: Video: mss2 (MSS2 / 0x3253534D), rgb24, 704x528, 260
 kb/s, 2 tbr, 1k tbn, 1k tbc
     Stream #0:2: Data: none
 Frame changed from size:0x0 to size:704x528
   39.44 A-V:-111.560 fd=   0 aq=  746KB vq=  186KB sq=    0B f=0/0
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1707>
FFmpeg <http://ffmpeg.org>
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