[FFmpeg-trac] #1041(avcodec:open): Illegal instruction when opening some files with (HE-)AAC streams
FFmpeg
trac at avcodec.org
Thu Mar 8 04:36:56 CET 2012
#1041: Illegal instruction when opening some files with (HE-)AAC streams
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Reporter: qyot27 | Owner:
Type: defect | Status: open
Priority: important | Component: avcodec
Version: git-master | Resolution:
Keywords: aac | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by qyot27):
The new patch still results in silent decoding. I also tried with the
unpatched git master since the most recent merge brought that change in,
and it has the silence issue too. The output of a decoding operation:
{{{
./ffmpeg_g -v 9 -loglevel 99 -i sample-5.aac -acodec pcm_s16le testaac.wav
ffmpeg version N-38662-gbf807a5 Copyright (c) 2000-2012 the FFmpeg
developers
built on Mar 7 2012 22:19:10 with gcc 4.6.1
configuration: --prefix=/home/qyot27/ffmpeg_build --extra-cflags='-m32
-DARCH_X86_32' --extra-ldflags=-m32
libavutil 51. 42.100 / 51. 42.100
libavcodec 54. 10.100 / 54. 10.100
libavformat 54. 2.100 / 54. 2.100
libavdevice 53. 4.100 / 53. 4.100
libavfilter 2. 63.100 / 2. 63.100
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 7.100 / 0. 7.100
[aac @ 0x9133ac0] Format aac probed with size=2048 and score=51
[aac @ 0x9133ac0] max_analyze_duration 5000000 reached at 5015510
[aac @ 0x9133ac0] Estimating duration from bitrate, this may be inaccurate
Input #0, aac, from 'sample-5.aac':
Duration: 00:00:23.79, bitrate: 95 kb/s
Stream #0:0, 111, 1/28224000: Audio: aac, 44100 Hz, stereo, s16, 95
kb/s
Output #0, wav, to 'testaac.wav':
Metadata:
encoder : Lavf54.2.100
Stream #0:0, 0, 1/44100: Audio: pcm_s16le ([1][0][0][0] / 0x0001),
44100 Hz, stereo, s16, 1411 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (aac -> pcm_s16le)
Press [q] to stop, [?] for help
size= 4096kB time=00:00:23.77 bitrate=1411.2kbits/s
video:0kB audio:4096kB global headers:0kB muxing overhead 0.001097%
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1041#comment:10>
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