| 1 | root@video2:~/tmp/ffmpeg# gdb ffmpeg_g
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| 2 | GNU gdb (GDB) 7.3-debian
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| 3 | Copyright (C) 2011 Free Software Foundation, Inc.
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| 4 | License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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| 5 | This is free software: you are free to change and redistribute it.
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| 6 | There is NO WARRANTY, to the extent permitted by law. Type "show copying"
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| 7 | and "show warranty" for details.
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| 8 | This GDB was configured as "x86_64-linux-gnu".
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| 9 | For bug reporting instructions, please see:
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| 10 | <http://www.gnu.org/software/gdb/bugs/>...
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| 11 | Reading symbols from /root/tmp/ffmpeg/ffmpeg_g...done.
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| 12 | (gdb) r -y -f video4linux2 -r 25 -s qvga -i /dev/video0 -f alsa -ac 1 -i hw:0 http://localhost:8090/feed1.ffm
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| 13 | Starting program: /root/tmp/ffmpeg/ffmpeg_g -y -f video4linux2 -r 25 -s qvga -i /dev/video0 -f alsa -ac 1 -i hw:0 http://localhost:8090/feed1.ffm
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| 14 | [Thread debugging using libthread_db enabled]
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| 15 | ffmpeg version N-34028-g02ac6a6, Copyright (c) 2000-2011 the FFmpeg developers
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| 16 | built on Oct 25 2011 16:57:53 with gcc 4.6.1
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| 17 | configuration: --enable-static --enable-shared --enable-gpl --enable-nonfree --enable-postproc --enable-libx264 --enable-libaacplus --enable-debug
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| 18 | libavutil 51. 22. 0 / 51. 22. 0
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| 19 | libavcodec 53. 23. 0 / 53. 23. 0
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| 20 | libavformat 53. 17. 0 / 53. 17. 0
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| 21 | libavdevice 53. 4. 0 / 53. 4. 0
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| 22 | libavfilter 2. 45. 0 / 2. 45. 0
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| 23 | libswscale 2. 1. 0 / 2. 1. 0
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| 24 | libpostproc 51. 2. 0 / 51. 2. 0
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| 25 | [video4linux2 @ 0x620980] Estimating duration from bitrate, this may be inaccurate
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| 26 | Input #0, video4linux2, from '/dev/video0':
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| 27 | Duration: N/A, start: 2283.275914, bitrate: 30720 kb/s
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| 28 | Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 320x240, 30720 kb/s, 25 tbr, 1000k tbn, 25 tbc
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| 29 | [alsa @ 0x6219c0] Estimating duration from bitrate, this may be inaccurate
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| 30 | Input #1, alsa, from 'hw:0':
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| 31 | Duration: N/A, start: 1319554915.308555, bitrate: N/A
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| 32 | Stream #1:0: Audio: pcm_s16le, 48000 Hz, 1 channels, s16, 768 kb/s
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| 33 | [buffer @ 0x642ce0] w:320 h:240 pixfmt:yuyv422 tb:1/1000000 sar:0/1 sws_param:
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| 34 | [buffersink @ 0x62d400] auto-inserting filter 'auto-inserted scale 0' between the filter 'src' and the filter 'out'
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| 35 | [scale @ 0x620240] w:320 h:240 fmt:yuyv422 -> w:320 h:240 fmt:yuv420p flags:0x4
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| 36 | [mp2 @ 0x641a20] codec type or id mismatches
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| 37 | Output #0, ffm, to 'http://localhost:8090/feed1.ffm':
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| 38 | Stream #0:0: Audio: adpcm_swf, 44100 Hz, 1 channels, s16, 176 kb/s
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| 39 | Stream #0:1: Video: flv1 ([2][0][0][0] / 0x0002), yuv420p, 320x240, q=2-31, 320 kb/s, 1000k tbn, 25 tbc
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| 40 | Stream mapping:
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| 41 | Stream #0.0 -> #0.0
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| 42 | Program received signal SIGSEGV, Segmentation fault.
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| 43 | transcode_init (nb_input_files=<optimized out>, input_files=<optimized out>,
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| 44 | nb_output_files=<optimized out>, output_files=<optimized out>) at ffmpeg.c:2373
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| 45 | 2373 av_log(NULL, AV_LOG_INFO, " [sync #%d.%d]",
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| 46 | (gdb) bt
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| 47 | #0 transcode_init (nb_input_files=<optimized out>, input_files=<optimized out>,
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| 48 | nb_output_files=<optimized out>, output_files=<optimized out>) at ffmpeg.c:2373
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| 49 | #1 transcode (output_files=0x621300, nb_output_files=1, input_files=0x638320, nb_input_files=2)
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| 50 | at ffmpeg.c:2415
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| 51 | #2 0x0000000000405453 in main (argc=<optimized out>, argv=0x7fffffffe648) at ffmpeg.c:4473
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| 52 | (gdb) disass $pc-32,$pc+32
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| 53 | Dump of assembler code from 0x40d40b to 0x40d44b:
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| 54 | 0x000000000040d40b <transcode+5451>: lea (%rax),%eax
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| 55 | 0x000000000040d40d <transcode+5453>: add %ch,%al
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| 56 | 0x000000000040d40f <transcode+5455>: fnsave -0x1(%rdi)
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| 57 | 0x000000000040d412 <transcode+5458>: decl 0x63(%rax)
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| 58 | 0x000000000040d415 <transcode+5461>: push %rbx
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| 59 | 0x000000000040d416 <transcode+5462>: or %cl,-0x75(%rax)
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| 60 | 0x000000000040d419 <transcode+5465>: rex.XB and %cl,0x6b(%r8)
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| 61 | 0x000000000040d41d <transcode+5469>: rclb %cl,0x48(%rax)
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| 62 | 0x000000000040d420 <transcode+5472>: add 0x20d922(%rip),%edx # 0x61ad48 <input_streams>
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| 63 | 0x000000000040d426 <transcode+5478>: cmp %rdx,%rax
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| 64 | 0x000000000040d429 <transcode+5481>: je 0x40d449 <transcode+5513>
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| 65 | => 0x000000000040d42b <transcode+5483>: mov 0x8(%rax),%rdx
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| 66 | 0x000000000040d42f <transcode+5487>: mov (%rax),%ecx
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| 67 | 0x000000000040d431 <transcode+5489>: mov $0x20,%esi
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| 68 | 0x000000000040d436 <transcode+5494>: xor %edi,%edi
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| 69 | 0x000000000040d438 <transcode+5496>: xor %eax,%eax
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| 70 | 0x000000000040d43a <transcode+5498>: mov (%rdx),%r8d
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| 71 | 0x000000000040d43d <transcode+5501>: lea 0x8ddc(%rip),%rdx # 0x416220
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| 72 | 0x000000000040d444 <transcode+5508>: callq 0x404bf0 <av_log@plt>
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| 73 | 0x000000000040d449 <transcode+5513>: mov 0x10(%rbx),%rax
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| 74 | End of assembler dump.
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| 75 | (gdb) info all-registers
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| 76 | rax 0x0 0
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| 77 | rbx 0x6434d0 6567120
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| 78 | rcx 0x7ffff58743e0 140737312670688
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| 79 | rdx 0x638270 6521456
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| 80 | rsi 0x7ffff5fe3500 140737320465664
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| 81 | rdi 0xffffffff 4294967295
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| 82 | rbp 0x0 0x0
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| 83 | rsp 0x7fffffffc430 0x7fffffffc430
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| 84 | r8 0x7ffff5fe35c3 140737320465859
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| 85 | r9 0x7ffff7fe3700 140737354020608
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| 86 | r10 0xfffffffffffffff0 -16
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| 87 | r11 0x246 582
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| 88 | r12 0x0 0
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| 89 | r13 0x1 1
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| 90 | r14 0x621300 6427392
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| 91 | r15 0x7ffff70dd640 140737338267200
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| 92 | rip 0x40d42b 0x40d42b <transcode+5483>
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| 93 | eflags 0x10287 [ CF PF SF IF RF ]
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| 94 | cs 0x33 51
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| 95 | ss 0x2b 43
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| 96 | ds 0x0 0
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| 97 | es 0x0 0
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| 98 | fs 0x0 0
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| 99 | ---Type <return> to continue, or q <return> to quit---
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| 100 | gs 0x0 0
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| 101 | st0 0 (raw 0x00000000000000000000)
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| 102 | st1 0 (raw 0x00000000000000000000)
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| 103 | st2 0 (raw 0x00000000000000000000)
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| 104 | st3 0 (raw 0x00000000000000000000)
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| 105 | st4 0 (raw 0x00000000000000000000)
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| 106 | st5 0 (raw 0x00000000000000000000)
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| 107 | st6 0 (raw 0x00000000000000000000)
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| 108 | st7 0 (raw 0x00000000000000000000)
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| 109 | fctrl 0x37f 895
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| 110 | fstat 0x0 0
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| 111 | ftag 0xffff 65535
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| 112 | fiseg 0x0 0
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| 113 | fioff 0x0 0
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| 114 | foseg 0x0 0
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| 115 | fooff 0x0 0
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| 116 | fop 0x0 0
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| 117 | xmm0 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x8000000000000000, 0x8000000000000000},
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| 118 | v16_int8 = {0x0, 0x0, 0x0, 0x0, 0x0, 0xff, 0xff, 0xff, 0x0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
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| 119 | v8_int16 = {0x0, 0x0, 0xff00, 0xffff, 0xff00, 0xffff, 0xffff, 0xffff}, v4_int32 = {0x0, 0xffffff00,
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| 120 | 0xffffff00, 0xffffffff}, v2_int64 = {0xffffff0000000000, 0xffffffffffffff00},
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| 121 | uint128 = 0xffffffffffffff00ffffff0000000000}
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| 122 | xmm1 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 = {
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| 123 | ---Type <return> to continue, or q <return> to quit---
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| 124 | 0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0,
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| 125 | 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x00000000000000000000000000000000}
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| 126 | xmm2 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 = {
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| 127 | 0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0,
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| 128 | 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x00000000000000000000000000000000}
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| 129 | xmm3 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 = {
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| 130 | 0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0,
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| 131 | 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x00000000000000000000000000000000}
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| 132 | xmm4 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x8000000000000000}, v16_int8 = {0x0,
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| 133 | 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x20, 0x66, 0x6f, 0x72, 0x6d, 0x61, 0x74, 0x0, 0x64}, v8_int16 = {
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| 134 | 0x7300, 0x756f, 0x6372, 0x2065, 0x6f66, 0x6d72, 0x7461, 0x6400}, v4_int32 = {0x756f7300, 0x20656372,
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| 135 | 0x6d726f66, 0x64007461}, v2_int64 = {0x20656372756f7300, 0x640074616d726f66},
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| 136 | uint128 = 0x640074616d726f6620656372756f7300}
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| 137 | xmm5 {v4_float = {0x3, 0x3, 0x3, 0x3}, v2_double = {0x20, 0x20}, v16_int8 = {
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| 138 | 0x40 <repeats 16 times>}, v8_int16 = {0x4040, 0x4040, 0x4040, 0x4040, 0x4040, 0x4040, 0x4040, 0x4040},
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| 139 | v4_int32 = {0x40404040, 0x40404040, 0x40404040, 0x40404040}, v2_int64 = {0x4040404040404040,
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| 140 | 0x4040404040404040}, uint128 = 0x40404040404040404040404040404040}
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| 141 | xmm6 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x8000000000000000, 0x8000000000000000},
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| 142 | v16_int8 = {0x5b <repeats 16 times>}, v8_int16 = {0x5b5b, 0x5b5b, 0x5b5b, 0x5b5b, 0x5b5b, 0x5b5b,
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| 143 | 0x5b5b, 0x5b5b}, v4_int32 = {0x5b5b5b5b, 0x5b5b5b5b, 0x5b5b5b5b, 0x5b5b5b5b}, v2_int64 = {
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| 144 | 0x5b5b5b5b5b5b5b5b, 0x5b5b5b5b5b5b5b5b}, uint128 = 0x5b5b5b5b5b5b5b5b5b5b5b5b5b5b5b5b}
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| 145 | xmm7 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 = {
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| 146 | 0x20 <repeats 16 times>}, v8_int16 = {0x2020, 0x2020, 0x2020, 0x2020, 0x2020, 0x2020, 0x2020, 0x2020},
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| 147 | ---Type <return> to continue, or q <return> to quit---
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| 148 | v4_int32 = {0x20202020, 0x20202020, 0x20202020, 0x20202020}, v2_int64 = {0x2020202020202020,
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| 149 | 0x2020202020202020}, uint128 = 0x20202020202020202020202020202020}
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| 150 | xmm8 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 = {
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| 151 | 0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0,
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| 152 | 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x00000000000000000000000000000000}
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| 153 | xmm9 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x8000000000000000, 0x0}, v16_int8 = {0x0,
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| 154 | 0x0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0, 0x0, 0xff, 0xff, 0x0, 0x0, 0x0, 0x0}, v8_int16 = {0x0,
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| 155 | 0xffff, 0xffff, 0xffff, 0x0, 0xffff, 0x0, 0x0}, v4_int32 = {0xffff0000, 0xffffffff, 0xffff0000, 0x0},
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| 156 | v2_int64 = {0xffffffffffff0000, 0xffff0000}, uint128 = 0x00000000ffff0000ffffffffffff0000}
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| 157 | xmm10 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 = {
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| 158 | 0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0,
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| 159 | 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x00000000000000000000000000000000}
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| 160 | xmm11 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x8000000000000000, 0x0}, v16_int8 = {0xff,
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| 161 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v8_int16 = {0xffff,
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| 162 | 0xffff, 0xffff, 0xffff, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0xffffffff, 0xffffffff, 0x0, 0x0},
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| 163 | v2_int64 = {0xffffffffffffffff, 0x0}, uint128 = 0x0000000000000000ffffffffffffffff}
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| 164 | xmm12 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 = {0x29, 0xf2, 0x88,
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| 165 | 0x6c, 0xa6, 0x49, 0xde, 0x3e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v8_int16 = {0xf229, 0x6c88,
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| 166 | 0x49a6, 0x3ede, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x6c88f229, 0x3ede49a6, 0x0, 0x0}, v2_int64 = {
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| 167 | 0x3ede49a66c88f229, 0x0}, uint128 = 0x00000000000000003ede49a66c88f229}
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| 168 | xmm13 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 = {0xb3, 0x12, 0x58,
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| 169 | 0x17, 0x64, 0x46, 0xe6, 0x3b, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v8_int16 = {0x12b3, 0x1758,
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| 170 | 0x4664, 0x3be6, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x175812b3, 0x3be64664, 0x0, 0x0}, v2_int64 = {
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| 171 | ---Type <return> to continue, or q <return> to quit---
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| 172 | 0x3be64664175812b3, 0x0}, uint128 = 0x00000000000000003be64664175812b3}
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| 173 | xmm14 {v4_float = {0x0, 0x3, 0x0, 0x0}, v2_double = {0x2d, 0x0}, v16_int8 = {0xc0, 0x9, 0xf2,
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| 174 | 0x16, 0xb5, 0xdf, 0x46, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v8_int16 = {0x9c0, 0x16f2,
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| 175 | 0xdfb5, 0x4046, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x16f209c0, 0x4046dfb5, 0x0, 0x0}, v2_int64 = {
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| 176 | 0x4046dfb516f209c0, 0x0}, uint128 = 0x00000000000000004046dfb516f209c0}
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| 177 | xmm15 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 = {
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| 178 | 0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0,
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| 179 | 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x00000000000000000000000000000000}
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| 180 | mxcsr 0x1fb2 [ DE UE PE IM DM ZM OM UM PM ]
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