#399: ffmpeg showing incorrect pts
------------------------+----------------------
Reporter: takis | Owner: michael
Type: defect | Status: open
Priority: normal | Component: FFmpeg
Version: unspecified | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced: 1
Analyzed: 1 |
------------------------+----------------------
Comment (by takis):
Frankly, I do find it very confusing, especially as ffplay and ffmpeg show
different outputs when showing that same videofilter (showinfo).
ffplay -vf showinfo /srv/files/videos/seekbug01min.ts
ffplay version N-31937-g7c94740, Copyright (c) 2003-2011 the FFmpeg
developers
built on Aug 17 2011 11:02:34 with gcc 4.5.2
configuration: --enable-avfilter --enable-frei0r --enable-gpl --enable-
libfaac --enable-libmp3lame --enable-libschroedinger --enable-libspeex
--enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264
--enable-libxvid --enable-nonfree --enable-pic --enable-pthreads --enable-
shared --enable-version3 --enable-x11grab --disable-optimizations
libavutil 51. 12. 0 / 51. 12. 0
libavcodec 53. 10. 0 / 53. 10. 0
libavformat 53. 7. 0 / 53. 7. 0
libavdevice 53. 3. 0 / 53. 3. 0
libavfilter 2. 31. 1 / 2. 31. 1
libswscale 2. 0. 0 / 2. 0. 0
libpostproc 51. 2. 0 / 51. 2. 0
[mpegts @ 0xf16980] Continuity Check Failed
Last message repeated 3 times
Input #0, mpegts, from '/srv/files/videos/seekbug01min.ts':
Duration: 00:00:00.45, start: 1.400000, bitrate: 178 kb/s
Program 1
Metadata:
service_name : Big Buck Bunny
service_provider: FFmpeg
Stream #0.0[0x100]: Video: h264 (Constrained Baseline), yuv420p,
320x180 [SAR 1:1 DAR 16:9], 24 fps, 24 tbr, 90k tbn, 48 tbc
Stream #0.1[0x101](und): Audio: mp2, 48000 Hz, stereo, s16, 64 kb/s
[mpegts @ 0xf16980] Continuity Check Failed
Last message repeated 1 timesq= 0KB vq= 0KB sq= 0B f=0/0
[showinfo @ 0xf8e9e0] n:0 pts:126000 pts_time:1.400000 pos:564 fmt:yuv420p
sar:1/1 s:320x180 i:P iskey:1 type:I checksum:2968688214
plane_checksum:[4270850273 3148466867 3148466867 0]
Frame changed from size:320x192 to size:320x180= 4KB sq= 0B f=0/0
[showinfo @ 0x7f54f802b060] n:0 pts:129750 pts_time:1.441667 pos:1504
fmt:yuv420p sar:1/1 s:320x180 i:P iskey:0 type:P checksum:603776523
plane_checksum:[3225751762 3029265045 3029265045 0]
[showinfo @ 0x7f54f802b060] n:1 pts:137250 pts_time:1.525000 pos:1880
fmt:yuv420p sar:1/1 s:320x180 i:P iskey:0 type:P checksum:603776523
plane_checksum:[3225751762 3029265045 3029265045 0]
[showinfo @ 0x7f54f802b060] n:2 pts:141000 pts_time:1.566667 pos:2068
fmt:yuv420p sar:1/1 s:320x180 i:P iskey:0 type:P checksum:321782142
plane_checksum:[966806382 2886587449 591323577 0]
[showinfo @ 0x7f54f802b060] n:3 pts:144750 pts_time:1.608333 pos:2632
fmt:yuv420p sar:1/1 s:320x180 i:P iskey:0 type:P checksum:1010078484
plane_checksum:[3458918426 414630700 4286638000 0]
ffmpeg -y -vf showinfo -i /srv/files/videos/seekbug01min.ts -f rawvideo
/dev/null
ffmpeg version N-31937-g7c94740, Copyright (c) 2000-2011 the FFmpeg
developers
built on Aug 17 2011 11:02:34 with gcc 4.5.2
configuration: --enable-avfilter --enable-frei0r --enable-gpl --enable-
libfaac --enable-libmp3lame --enable-libschroedinger --enable-libspeex
--enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264
--enable-libxvid --enable-nonfree --enable-pic --enable-pthreads --enable-
shared --enable-version3 --enable-x11grab --disable-optimizations
libavutil 51. 12. 0 / 51. 12. 0
libavcodec 53. 10. 0 / 53. 10. 0
libavformat 53. 7. 0 / 53. 7. 0
libavdevice 53. 3. 0 / 53. 3. 0
libavfilter 2. 31. 1 / 2. 31. 1
libswscale 2. 0. 0 / 2. 0. 0
libpostproc 51. 2. 0 / 51. 2. 0
[mpegts @ 0xed2460] Continuity Check Failed
Last message repeated 3 times
Input #0, mpegts, from '/srv/files/videos/seekbug01min.ts':
Duration: 00:00:00.45, start: 1.400000, bitrate: 178 kb/s
Program 1
Metadata:
service_name : Big Buck Bunny
service_provider: FFmpeg
Stream #0.0[0x100]: Video: h264 (Constrained Baseline), yuv420p,
320x180 [SAR 1:1 DAR 16:9], 24 fps, 24 tbr, 90k tbn, 48 tbc
Stream #0.1[0x101](und): Audio: mp2, 48000 Hz, stereo, s16, 64 kb/s
[buffer @ 0xed6e60] w:320 h:180 pixfmt:yuv420p tb:1/1000000 sar:1/1
sws_param:
Output #0, rawvideo, to '/dev/null':
Metadata:
encoder : Lavf53.7.0
Stream #0.0: Video: rawvideo, yuv420p, 320x180 [SAR 1:1 DAR 16:9],
q=2-31, 200 kb/s, 90k tbn, 24 tbc
Stream mapping:
Stream #0.0 -> #0.0
Press [q] to stop, [?] for help
[mpegts @ 0xed2460] Continuity Check Failed
Last message repeated 1 times
[showinfo @ 0xed97a0] n:0 pts:0 pts_time:0.000000 pos:564 fmt:yuv420p
sar:1/1 s:320x180 i:P iskey:1 type:I checksum:603776523
plane_checksum:[3225751762 3029265045 3029265045 0]
[showinfo @ 0xed97a0] n:1 pts:41667 pts_time:0.041667 pos:1504 fmt:yuv420p
sar:1/1 s:320x180 i:P iskey:0 type:P checksum:603776523
plane_checksum:[3225751762 3029265045 3029265045 0]
[showinfo @ 0xed97a0] n:2 pts:83333 pts_time:0.083333 pos:1692 fmt:yuv420p
sar:1/1 s:320x180 i:P iskey:0 type:P checksum:603776523
plane_checksum:[3225751762 3029265045 3029265045 0]
[showinfo @ 0xed97a0] n:3 pts:125000 pts_time:0.125000 pos:1880
fmt:yuv420p sar:1/1 s:320x180 i:P iskey:0 type:P checksum:603776523
plane_checksum:[3225751762 3029265045 3029265045 0]
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/399#comment:2>
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