[FFmpeg-trac] #5794(undetermined:new): PAFF sample shows wrong estimated fps
FFmpeg
trac at avcodec.org
Wed Aug 24 08:57:40 EEST 2016
#5794: PAFF sample shows wrong estimated fps
-------------------------------------+-------------------------------------
Reporter: cehoyos | Owner:
Type: defect | Status: new
Priority: minor | Component:
Version: git- | undetermined
master | Keywords: h264 mov
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
-------------------------------------+-------------------------------------
http://ffmpeg.org/pipermail/ffmpeg-user/2016-August/033231.html
A user provided a mov file containing 25fps PAFF encoded H264 stream,
FFmpeg reports 50fps.
{{{
$ ffmpeg -i H264_1080i_cut.mp4 -f null -t 2 -
ffmpeg version N-81447-gc1de1f0 Copyright (c) 2000-2016 the FFmpeg
developers
built with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl
libavutil 55. 29.100 / 55. 29.100
libavcodec 57. 54.100 / 57. 54.100
libavformat 57. 48.100 / 57. 48.100
libavdevice 57. 0.102 / 57. 0.102
libavfilter 6. 54.100 / 6. 54.100
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 1.100 / 2. 1.100
libpostproc 54. 0.100 / 54. 0.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'H264_1080i_cut.mp4':
Metadata:
major_brand : avc1
minor_version : 0
compatible_brands: avc1mp42
creation_time : 2016-07-28 00:48:45
Duration: 00:03:10.28, start: 0.000000, bitrate: 107 kb/s
Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
1920x1080 [SAR 1:1 DAR 16:9], 6987 kb/s, 50 fps, 50 tbr, 50 tbn, 50 tbc
(default)
Metadata:
creation_time : 2016-07-28 00:48:45
handler_name : Video Media Handler
encoder : AVC Coding
Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz,
stereo, fltp, 192 kb/s (default)
Metadata:
creation_time : 2016-07-28 00:48:45
handler_name : Sound Media Handler
[null @ 0x2f1cf00] Using AVStream.codec to pass codec parameters to muxers
is deprecated, use AVStream.codecpar instead.
Last message repeated 1 times
Output #0, null, to 'pipe:':
Metadata:
major_brand : avc1
minor_version : 0
compatible_brands: avc1mp42
encoder : Lavf57.48.100
Stream #0:0(eng): Video: wrapped_avframe, yuv420p, 1920x1080 [SAR 1:1
DAR 16:9], q=2-31, 200 kb/s, 50 fps, 50 tbn, 50 tbc (default)
Metadata:
creation_time : 2016-07-28 00:48:45
handler_name : Video Media Handler
encoder : Lavc57.54.100 wrapped_avframe
Stream #0:1(eng): Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
(default)
Metadata:
creation_time : 2016-07-28 00:48:45
handler_name : Sound Media Handler
encoder : Lavc57.54.100 pcm_s16le
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> wrapped_avframe (native))
Stream #0:1 -> #0:1 (aac (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
frame= 50 fps=0.0 q=-0.0 Lsize=N/A time=00:00:02.00 bitrate=N/A
speed=7.62x
video:24kB audio:375kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/5794>
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