[FFmpeg-trac] #5573(undetermined:new): Incorrect duration when decoding raw G.729
FFmpeg
trac at avcodec.org
Wed May 18 09:21:17 CEST 2016
#5573: Incorrect duration when decoding raw G.729
-------------------------------------+-------------------------------------
Reporter: cehoyos | Owner:
Type: defect | Status: new
Priority: minor | Component:
Version: git- | undetermined
master | Keywords: g729
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
-------------------------------------+-------------------------------------
{{{
$ ffmpeg -i fate-suite/act/REC03.act -acodec copy -map 0:0 -f rawvideo
out.g729
}}}
{{{
$ ffmpeg -i out.g729 out.wav
ffmpeg version N-80026-g936751b Copyright (c) 2000-2016 the FFmpeg
developers
built with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl
libavutil 55. 24.100 / 55. 24.100
libavcodec 57. 42.100 / 57. 42.100
libavformat 57. 37.100 / 57. 37.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 45.100 / 6. 45.100
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
[g729 @ 0x2dc93a0] Estimating duration from bitrate, this may be
inaccurate
Guessed Channel Layout for Input Stream #0.0 : mono
Input #0, g729, from 'out.g729':
Duration: 00:01:05.79, start: 0.000000, bitrate: 8 kb/s
Stream #0:0: Audio: g729, 8000 Hz, 1 channels, s16
[wav @ 0x2dcbf40] Using AVStream.codec to pass codec parameters to muxers
is deprecated, use AVStream.codecpar instead.
Output #0, wav, to 'out.wav':
Metadata:
ISFT : Lavf57.37.100
Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 8000 Hz, mono,
s16, 128 kb/s
Metadata:
encoder : Lavc57.42.100 pcm_s16le
Stream mapping:
Stream #0:0 -> #0:0 (g729 (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
size= 1028kB time=00:00:00.83 bitrate=10119.2kbits/s speed=6.01x
video:0kB audio:1028kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 0.007410%
}}}
Both input and output file have a duration of 65 seconds.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/5573>
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