#1692: Using atempo filter causes segfault
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Reporter: takis | Owner:
Type: defect | Status: new
Priority: normal | Component: avfilter
Version: git-master | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by takis):
(gdb) r -y -i audiogen.wav -af atempo=0.8 asdf.wav
Starting program: /usr/local/src/ff/ffmpeg.org/build-gcc/ffmpeg_g -y -i
audiogen.wav -af atempo=0.8 asdf.wav
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
ffmpeg version N-43928-g60924df Copyright (c) 2000-2012 the FFmpeg
developers
built on Aug 27 2012 14:19:01 with gcc 4.6 (Ubuntu/Linaro
4.6.3-1ubuntu5)
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
libavutil 51. 70.100 / 51. 70.100
libavcodec 54. 54.100 / 54. 54.100
libavformat 54. 25.104 / 54. 25.104
libavdevice 54. 2.100 / 54. 2.100
libavfilter 3. 13.101 / 3. 13.101
libswscale 2. 1.101 / 2. 1.101
libswresample 0. 15.100 / 0. 15.100
libpostproc 52. 0.100 / 52. 0.100
[wav @ 0x632240] max_analyze_duration 5000000 reached at 5015510
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, wav, from 'audiogen.wav':
Duration: 00:00:06.00, bitrate: 1411 kb/s
Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
stereo, s16, 1411 kb/s
Output #0, wav, to 'asdf.wav':
Metadata:
encoder : Lavf54.25.104
Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
stereo, s16, 1411 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (pcm_s16le -> pcm_s16le)
Press [q] to stop, [?] for help
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff6c691d0 in ?? () from /usr/local/lib/libavcodec.so.54
(gdb) bt
#0 0x00007ffff6c691d0 in ?? () from /usr/local/lib/libavcodec.so.54
#1 0x00007ffff6c69315 in ?? () from /usr/local/lib/libavcodec.so.54
#2 0x00007ffff6c69d15 in ?? () from /usr/local/lib/libavcodec.so.54
#3 0x00007ffff6c69d55 in ?? () from /usr/local/lib/libavcodec.so.54
#4 0x00007ffff6c69d95 in ?? () from /usr/local/lib/libavcodec.so.54
#5 0x00007ffff6c69dd5 in ?? () from /usr/local/lib/libavcodec.so.54
#6 0x00007ffff6c69e15 in ?? () from /usr/local/lib/libavcodec.so.54
#7 0x00007ffff6c6a185 in ?? () from /usr/local/lib/libavcodec.so.54
#8 0x00007ffff6c699d0 in ?? () from /usr/local/lib/libavcodec.so.54
#9 0x00007ffff6b20fdb in ?? () from /usr/local/lib/libavcodec.so.54
#10 0x00007ffff793d673 in ?? () from /usr/local/lib/libavfilter.so.3
#11 0x00007ffff794149b in ?? () from /usr/local/lib/libavfilter.so.3
#12 0x00007ffff7946f4d in ?? () from /usr/local/lib/libavfilter.so.3
#13 0x00007ffff7947176 in av_buffersrc_add_ref () from
/usr/local/lib/libavfilter.so.3
#14 0x00007ffff79472e8 in av_buffersrc_add_frame () from
/usr/local/lib/libavfilter.so.3
#15 0x0000000000417aa3 in decode_audio (got_output=0x7fffffffd70c,
pkt=0x7fffffffd600, ist=0x71b3c0)
at /usr/local/src/ff/ffmpeg.org/ffmpeg.c:1524
#16 output_packet (ist=<optimized out>, pkt=<optimized out>) at
/usr/local/src/ff/ffmpeg.org/ffmpeg.c:1753
#17 0x00000000004188d9 in process_input (file_index=<optimized out>) at
/usr/local/src/ff/ffmpeg.org/ffmpeg.c:2818
#18 0x0000000000407512 in transcode_step () at
/usr/local/src/ff/ffmpeg.org/ffmpeg.c:2914
#19 transcode () at /usr/local/src/ff/ffmpeg.org/ffmpeg.c:2966
#20 main (argc=<optimized out>, argv=<optimized out>) at
/usr/local/src/ff/ffmpeg.org/ffmpeg.c:3146
(gdb)
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1692#comment:2>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker
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