[FFmpeg-trac] #2096(avcodec:open): Audio glitches when converting from flv/f4v - regression from previous verisons
FFmpeg
trac at avcodec.org
Wed Jan 2 11:24:54 CET 2013
#2096: Audio glitches when converting from flv/f4v - regression from previous
verisons
-------------------------------------+-------------------------------------
Reporter: kirill_p | Owner:
Type: defect | Status: open
Priority: important | Component: avcodec
Version: git-master | Resolution:
Keywords: regression | Blocked By:
speex | Reproduced by developer: 1
Blocking: |
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Changes (by cehoyos):
* keywords: audio glitches,flv,f4v,speex => regression speex
* priority: normal => important
* status: new => open
* component: FFmpeg => avcodec
* reproduced: 0 => 1
Comment:
Regression since 0f1446a.
{{{
$ ffmpeg -i m.f4v out.mp2
ffmpeg version N-48393-g8bc7422 Copyright (c) 2000-2013 the FFmpeg
developers
built on Jan 2 2013 11:23:54 with gcc 4.7 (SUSE Linux)
configuration: --enable-libspeex
libavutil 52. 13.100 / 52. 13.100
libavcodec 54. 85.100 / 54. 85.100
libavformat 54. 59.100 / 54. 59.100
libavdevice 54. 3.102 / 54. 3.102
libavfilter 3. 30.102 / 3. 30.102
libswscale 2. 1.103 / 2. 1.103
libswresample 0. 17.102 / 0. 17.102
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'm.f4v':
Metadata:
major_brand : f4v
minor_version : 0
compatible_brands: isommp42m4v
creation_time : 2033-12-20 03:47:04
Duration: 00:00:32.06, start: 0.000000, bitrate: 768 kb/s
Stream #0:0(eng): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p,
640x480 [SAR 1:1 DAR 4:3], 732 kb/s, 29.88 fps, 30 tbr, 1k tbn, 60 tbc
Metadata:
creation_time : 2033-12-20 03:47:04
handler_name : MainConcept
Stream #0:1(eng): Audio: speex (spex / 0x78657073), 16000 Hz, mono,
s16, 17 kb/s
Metadata:
creation_time : 2033-12-20 03:47:04
handler_name : Speex Handler
Stream #0:2(eng): Data: none (amf0 / 0x30666D61)
Metadata:
creation_time : 2033-12-20 03:47:04
handler_name : Timed Metadata Handler
Output #0, mp2, to 'out.mp2':
Metadata:
major_brand : f4v
minor_version : 0
compatible_brands: isommp42m4v
encoder : Lavf54.59.100
Stream #0:0(eng): Audio: mp2, 16000 Hz, mono, s16, 128 kb/s
Metadata:
creation_time : 2033-12-20 03:47:04
handler_name : Speex Handler
Stream mapping:
Stream #0:1 -> #0:0 (libspeex -> mp2)
Press [q] to stop, [?] for help
size= 507kB time=00:00:32.12 bitrate= 129.4kbits/s
video:0kB audio:507kB subtitle:0 global headers:0kB muxing overhead
0.000000%
}}}
out.mp2 contains audible distortions.
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2096#comment:2>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker
More information about the FFmpeg-trac
mailing list