Ticket #269 (closed defect: fixed)
webm/libvpx Conversion bug
| Reported by: | yxmline | Owned by: | michael |
|---|---|---|---|
| Priority: | important | Component: | undetermined |
| Version: | git-master | Keywords: | |
| Cc: | Blocked By: | ||
| Blocking: | Reproduced by developer: | yes | |
| Analyzed by developer: | no |
Description
D:\WinLinux?\Minsys\temp\ffmpeg>gdb ffmpeg_g
GNU gdb (GDB) 7.2
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later < http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "mingw32".
For bug reporting instructions, please see:
< http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from D:\WinLinux?\Minsys\temp\ffmpeg/ffmpeg_g.exe...done.
<mpg" "E:\Program Files\TSA\Resource\Movie\test5.webm"
Starting program: D:\WinLinux?\Minsys\temp\ffmpeg/ffmpeg_g.exe -i "E:\Program Fil
es\TSA\Resource\Movie\op.mpg" "E:\Program Files\TSA\Resource\Movie\test5.webm"
[New Thread 4888.0x109c]
ffmpeg version git-N-30606-g40da61e, Copyright (c) 2000-2011 the FFmpeg develope
rs
built on Jun 7 2011 14:24:42 with gcc 4.5.2
configuration: --prefix=/ffmpeg2 --enable-gpl --enable-version3 --enable-nonfr
ee --enable-postproc --arch=x86 --cpu=i686 --enable-w32threads --enable-runtime-
cpudetect --enable-hardcoded-tables --enable-memalign-hack --enable-avisynth --e
nable-bzlib --enable-frei0r --enable-libaacplus --enable-libopencore-amrnb --ena
ble-libopencore-amrwb --enable-libdirac --enable-libfaac --enable-libfreetype --
enable-libgsm --enable-libmp3lame --enable-libnut --enable-libopenjpeg --enable-
libschroedinger --enable-libspeex --enable-libtheora --enable-libvo-amrwbenc --e
nable-libvorbis --enable-libvpx --enable-libxvid --enable-libxavs --enable-libx2
64 --enable-zlib --enable-libopencv --enable-librtmp --extra-libs='-lrtmp -lpola
rssl -lws2_32 -lwinmm' --disable-decoder=vp8
libavutil 51. 6. 1 / 51. 6. 1
libavcodec 53. 6. 1 / 53. 6. 1
libavformat 53. 2. 0 / 53. 2. 0
libavdevice 53. 1. 1 / 53. 1. 1
libavfilter 2. 14. 0 / 2. 14. 0
libswscale 0. 14. 1 / 0. 14. 1
libpostproc 51. 2. 0 / 51. 2. 0
[mpeg @ 24ccd360] max_analyze_duration 5000000 reached at 5000000
Input #0, mpeg, from 'E:\Program Files\TSA\Resource\Movie\op.mpg':
Duration: 00:01:49.89, start: 0.395178, bitrate: 7120 kb/s
Stream #0.0[0x1e0]: Video: mpeg1video, yuv420p, 640x480 [PAR 1:1 DAR 4:3], 1
04857 kb/s, 30 fps, 30 tbr, 90k tbn, 30 tbc
Stream #0.1[0x1c0]: Audio: mp2, 48000 Hz, stereo, s16, 128 kb/s
[buffer @ 2584d680] w:640 h:480 pixfmt:yuv420p tb:1/1000000 sar:1/1 sws_param:
[libvpx @ 24ce1fe0] v0.9.6
[libvorbis @ 2584d260] The requested thread algorithm is not supported with this
thread library.
Output #0, webm, to 'E:\Program Files\TSA\Resource\Movie\test5.webm':
Metadata:
encoder : Lavf53.2.0
Stream #0.0: Video: libvpx, yuv420p, 640x480 [PAR 1:1 DAR 4:3], q=2-31, 200
kb/s, 1k tbn, 30 tbc
Stream #0.1: Audio: libvorbis, 48000 Hz, stereo, s16, 64 kb/s
Stream mapping:
Press [q] to stop, ? for help
frame= 36 fps= 0 q=0.0 size= 4kB time=00:00:00.18 bitrate= 191.8kbits/s
frame= 46 fps= 45 q=0.0 size= 4kB time=00:00:00.69 bitrate= 50.5kbits/s
frame= 54 fps= 35 q=0.0 size= 37kB time=00:00:00.95 bitrate= 318.0kbits/s
frame= 64 fps= 31 q=0.0 size= 68kB time=00:00:01.33 bitrate= 416.1kbits/s
frame= 73 fps= 28 q=0.0 size= 81kB time=00:00:01.63 bitrate= 404.2kbits/s
frame= 82 fps= 26 q=0.0 size= 128kB time=00:00:01.93 bitrate= 542.1kbits/s
frame= 90 fps= 25 q=0.0 size= 160kB time=00:00:02.20 bitrate= 595.5kbits/s
frame= 99 fps= 24 q=0.0 size= 174kB time=00:00:02.50 bitrate= 570.9kbits/s
frame= 106 fps= 18 q=0.0 Lsize= 309kB time=00:00:02.90 bitrate= 872.3kbits/
s
video:285kB audio:18kB global headers:4kB muxing overhead 0.871596%
Program received signal SIGSEGV, Segmentation fault.
0x0095981d in av_next_option (obj=0x258832e0) at libavutil/opt.c:48
| !(*(AVClass)obj)->option->name) return NULL; |
ps:git://git.videolan.org/ffmpeg.git
Change History
comment:2 Changed 2 years ago by yxmline
ps:diff --git a/libavutil/opt.c b/libavutil/opt.c
index f3c74a9..df4b70c 100644
--- a/libavutil/opt.c
+++ b/libavutil/opt.c
@@ -45,7 +45,7 @@ const AVOption *av_find_opt(void *v, const char *name, const char *unit, int mas
const AVOption *av_next_option(void *obj, const AVOption *last)
{
if (last && last[1].name) return ++last;
| !(*(AVClass)obj)->option->name) return NULL; |
+ else if (last) return NULL;
else return (*(AVClass)obj)->option;
}
Program received signal SIGSEGV, Segmentation fault.
0x009850f1 in av_next_option (obj=0x56d32e0) at libavutil/opt.c:49
49 else return (*(AVClass)obj)->option;
comment:3 Changed 2 years ago by cehoyos
- Cc mingw-gcc-4.5.2-tdm-1 removed
- Priority changed from normal to important
- Version changed from git to git-master
- Component changed from FFmpeg to undetermined
- Reproduced by developer set
This is a regression.
(gdb) r -i tests/lena.pnm out.webm
ffmpeg version git-N-30606-g40da61e, Copyright (c) 2000-2011 the FFmpeg developers
built on Jun 7 2011 12:59:16 with gcc 4.5.3
configuration: --cc=/usr/local/gcc-4.5.3/bin/gcc --enable-libvpx --enable-libvorbis
libavutil 51. 6. 1 / 51. 6. 1
libavcodec 53. 6. 1 / 53. 6. 1
libavformat 53. 2. 0 / 53. 2. 0
libavdevice 53. 1. 1 / 53. 1. 1
libavfilter 2. 14. 0 / 2. 14. 0
libswscale 0. 14. 1 / 0. 14. 1
Input #0, image2, from 'tests/lena.pnm':
Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
Stream #0.0: Video: ppm, rgb24, 256x256, 25 tbr, 25 tbn, 25 tbc
Incompatible pixel format 'rgb24' for codec 'libvpx', auto-selecting format 'yuv420p'
[buffer @ 0x1262980] w:256 h:256 pixfmt:rgb24 tb:1/1000000 sar:0/1 sws_param:
[ffsink @ 0x126b020] auto-inserting filter 'auto-inserted scaler 0' between the filter 'src' and the filter 'out'
[scale @ 0x1265d20] w:256 h:256 fmt:rgb24 -> w:256 h:256 fmt:yuv420p flags:0x4
[libvpx @ 0x1262fc0] v0.9.6
Output #0, webm, to 'out.webm':
Metadata:
encoder : Lavf53.2.0
Stream #0.0: Video: libvpx, yuv420p, 256x256, q=2-31, 200 kb/s, 1k tbn, 25 tbc
Stream mapping:
Stream #0.0 -> #0.0
Press [q] to stop, [?] for help
frame= 1 fps= 0 q=0.0 Lsize= 11kB time=00:00:00.04 bitrate=2320.0kbits/s
video:11kB audio:0kB global headers:0kB muxing overhead 4.260291%
Program received signal SIGSEGV, Segmentation fault.
0x000000000093bac3 in av_next_option (last=0x0, obj=<value optimized out>) at libavutil/opt.c:48
48 else if (last || !(*(AVClass**)obj)->option->name) return NULL;
(gdb) bt
#0 0x000000000093bac3 in av_next_option (last=0x0, obj=<value optimized out>) at libavutil/opt.c:48
#1 av_opt_free (last=0x0, obj=<value optimized out>) at libavutil/opt.c:526
#2 0x0000000000786f1a in avcodec_close (avctx=0x1262fc0) at libavcodec/utils.c:862
#3 0x000000000040d427 in transcode (nb_output_files=1, input_files=0x1269dc0, nb_input_files=1, stream_maps=0x0, nb_stream_maps=<value optimized out>, output_files=0xd05c40) at ffmpeg.c:2781
#4 0x0000000000411bad in main (argc=<value optimized out>, argv=<value optimized out>) at ffmpeg.c:4551
(gdb) disass $pc-32 $pc+20
Dump of assembler code from 0x93baa3 to 0x93bad7:
0x000000000093baa3 <av_opt_free+35>: clc
0x000000000093baa4 <av_opt_free+36>: (bad)
0x000000000093baa5 <av_opt_free+37>: je 0x93baac <av_opt_free+44>
0x000000000093baa7 <av_opt_free+39>: cmp $0x5,%eax
0x000000000093baaa <av_opt_free+42>: jne 0x93ba90 <av_next_option>
0x000000000093baac <av_opt_free+44>: movslq 0x10(%rbx),%rdi
0x000000000093bab0 <av_opt_free+48>: lea 0x0(%rbp,%rdi,1),%rdi
0x000000000093bab5 <av_opt_free+53>: callq 0x939610 <av_freep>
0x000000000093baba <av_next_option+42>: test %rbx,%rbx
0x000000000093babd <av_next_option+45>: jne 0x93ba95 <av_next_option+5>
0x000000000093babf <av_next_option+47>: mov 0x0(%rbp),%rax
0x000000000093bac3 <av_next_option+51>: mov 0x10(%rax),%rbx
0x000000000093bac7 <av_next_option+55>: cmpq $0x0,(%rbx)
0x000000000093bacb <av_next_option+59>: jne 0x93ba9f <av_opt_free+31>
0x000000000093bacd <av_next_option+61>: nopl (%rax)
0x000000000093bad0 <av_opt_free+80>: add $0x8,%rsp
0x000000000093bad4 <av_opt_free+84>: pop %rbx
0x000000000093bad5 <av_opt_free+85>: pop %rbp
0x000000000093bad6 <av_opt_free+86>: retq
End of assembler dump.
(gdb) info register
rax 0x0 0
rbx 0x0 0
rcx 0x7af0 31472
rdx 0x12942c0 19481280
rsi 0x0 0
rdi 0x1263740 19281728
rbp 0x1263740 0x1263740
rsp 0x7fffffffcd50 0x7fffffffcd50
r8 0x0 0
r9 0x7ffff6506eb0 140737325854384
r10 0x7ffff6506eb0 140737325854384
r11 0x206 518
r12 0x0 0
r13 0x126b420 19313696
r14 0xffffffff 4294967295
r15 0x0 0
rip 0x93bac3 0x93bac3 <av_next_option+51>
eflags 0x10246 [ PF ZF IF RF ]
cs 0x33 51
ss 0x2b 43
ds 0x0 0
es 0x0 0
fs 0x0 0
gs 0x0 0
fctrl 0x37f 895
fstat 0x0 0
ftag 0xffff 65535
fiseg 0x0 0
fioff 0x0 0
foseg 0x0 0
fooff 0x0 0
fop 0x0 0
mxcsr 0x1fa0 [ PE IM DM ZM OM UM PM ]
