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gdb ffmpeg_g output

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Jun 22nd, 2012
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  1. $ gdb ./ffmpeg_g
  2. GNU gdb (GDB) 7.4.1-debian
  3. Copyright (C) 2012 Free Software Foundation, Inc.
  4. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
  5. This is free software: you are free to change and redistribute it.
  6. There is NO WARRANTY, to the extent permitted by law. Type "show copying"
  7. and "show warranty" for details.
  8. This GDB was configured as "i486-linux-gnu".
  9. For bug reporting instructions, please see:
  10. <http://www.gnu.org/software/gdb/bugs/>...
  11. Reading symbols from /home/adriano/ffmpeg_git/ffmpeg/ffmpeg_g...done.
  12. (gdb) r -f alsa -ar 8000 -ac 1 -i hw:1,0 -ar 8000 -acodec pcm_alaw -ab 64k -f rtp rtp://127.0.0.1:1234
  13. Starting program: /home/adriano/ffmpeg_git/ffmpeg/ffmpeg_g -f alsa -ar 8000 -ac 1 -i hw:1,0 -ar 8000 -acodec pcm_alaw -ab 64k -f rtp rtp://127.0.0.1:1234
  14. [Thread debugging using libthread_db enabled]
  15. Using host libthread_db library "/lib/i386-linux-gnu/i686/cmov/libthread_db.so.1".
  16. ffmpeg version N-41796-g1bb30d0 Copyright (c) 2000-2012 the FFmpeg developers
  17. built on Jun 22 2012 10:56:44 with gcc 4.6.3
  18. configuration: --enable-libx264 --enable-gpl
  19. libavutil 51. 59.100 / 51. 59.100
  20. libavcodec 54. 29.100 / 54. 29.100
  21. libavformat 54. 10.100 / 54. 10.100
  22. libavdevice 54. 0.100 / 54. 0.100
  23. libavfilter 2. 82.100 / 2. 82.100
  24. libswscale 2. 1.100 / 2. 1.100
  25. libswresample 0. 15.100 / 0. 15.100
  26. libpostproc 52. 0.100 / 52. 0.100
  27. [alsa @ 0x8f524c0] Estimating duration from bitrate, this may be inaccurate
  28. Guessed Channel Layout for Input Stream #0.0 : mono
  29. Input #0, alsa, from 'hw:1,0':
  30. Duration: N/A, start: 1340369169.952557, bitrate: 705 kb/s
  31. Stream #0:0: Audio: pcm_s16le, 44100 Hz, mono, s16, 705 kb/s
  32. [aformat @ 0x8f50b00] auto-inserting filter 'auto-inserted resampler 0' between the filter 'Parsed_anull_0' and the filter 'aformat'
  33. [auto-inserted resampler 0 @ 0x8f519a0] chl:mono fmt:s16 r:44100Hz -> chl:mono fmt:s16 r:8000Hz
  34. [rtp @ 0x8f4c940] Cannot respect max delay: frame size = 0
  35. Output #0, rtp, to 'rtp://127.0.0.1:1234':
  36. Metadata:
  37. encoder : Lavf54.10.100
  38. Stream #0:0: Audio: pcm_alaw, 8000 Hz, mono, s16, 64 kb/s
  39. Stream mapping:
  40. Stream #0:0 -> #0:0 (pcm_s16le -> pcm_alaw)
  41. SDP:
  42. v=0
  43. o=- 0 0 IN IP4 127.0.0.1
  44. s=No Name
  45. c=IN IP4 127.0.0.1
  46. t=0 0
  47. a=tool:libavformat 54.10.100
  48. m=audio 1234 RTP/AVP 8
  49. b=AS:64
  50.  
  51. Press [q] to stop, [?] for help
  52. size= 883kB time=00:00:53.89 bitrate= 134.2kbits/s
  53. Program received signal SIGSEGV, Segmentation fault.
  54. 0x080ab79f in avfilter_copy_buffer_ref_props (dst=0x0, src=0x8f6b280)
  55. at libavfilter/buffer.c:169
  56. 169 dst->pts = src->pts;
  57. (gdb) bt
  58. #0 0x080ab79f in avfilter_copy_buffer_ref_props (dst=0x0, src=0x8f6b280)
  59. at libavfilter/buffer.c:169
  60. #1 0x080d18c6 in filter_samples (inlink=0x8f51020, insamplesref=0x8f6b280)
  61. at libavfilter/af_aresample.c:178
  62. #2 0x080a745a in ff_filter_samples (link=0x8f51020, samplesref=0x8f6b280)
  63. at libavfilter/audio.c:213
  64. #3 0x080a745a in ff_filter_samples (link=0x8f50f60, samplesref=0x8f6b280)
  65. at libavfilter/audio.c:213
  66. #4 0x080abe68 in request_frame (link=0x8f50f60) at libavfilter/buffersrc.c:445
  67. #5 0x080a95bf in ff_request_frame (link=0x8f51020)
  68. at libavfilter/avfilter.c:325
  69. #6 avfilter_request_frame (link=0x8f51020) at libavfilter/avfilter.c:594
  70. #7 0x080d1744 in request_frame (outlink=0x8f517c0)
  71. at libavfilter/af_aresample.c:214
  72. #8 0x080a880f in ff_request_frame (link=0x8f51100)
  73. at libavfilter/avfilter.c:325
  74. #9 0x080abab8 in av_buffersink_read (ctx=0x8f50760, buf=0xbfffe518)
  75. at libavfilter/buffersink.c:109
  76. #10 0x08095d7f in poll_filters () at ffmpeg.c:1928
  77. #11 0x08099f64 in transcode () at ffmpeg.c:3612
  78. #12 0x0808cf6a in main (argc=<optimized out>, argv=<optimized out>)
  79. at ffmpeg.c:5921
  80. (gdb) disass $pc-32,$pc+32
  81. Dump of assembler code from 0x80ab77f to 0x80ab7bf:
  82. 0x080ab77f <avfilter_unref_bufferp+15>: (bad)
  83. 0x080ab780 <avfilter_unref_bufferp+16>: (bad)
  84. 0x080ab781 <avfilter_unref_bufferp+17>: inc %edi
  85. 0x080ab783 <avfilter_unref_bufferp+19>: add (%eax),%eax
  86. 0x080ab785 <avfilter_unref_bufferp+21>: add %al,(%eax)
  87. 0x080ab787 <avfilter_unref_bufferp+23>: add %al,-0x3ca4e73c(%ebx)
  88. 0x080ab78d: lea 0x0(%esi),%esi
  89. 0x080ab790 <avfilter_copy_buffer_ref_props+0>: push %ebx
  90. 0x080ab791 <avfilter_copy_buffer_ref_props+1>: mov 0xc(%esp),%eax
  91. 0x080ab795 <avfilter_copy_buffer_ref_props+5>: mov 0x8(%esp),%edx
  92. 0x080ab799 <avfilter_copy_buffer_ref_props+9>: mov 0x48(%eax),%ecx
  93. 0x080ab79c <avfilter_copy_buffer_ref_props+12>: mov 0x4c(%eax),%ebx
  94. => 0x080ab79f <avfilter_copy_buffer_ref_props+15>: mov %ecx,0x48(%edx)
  95. 0x080ab7a2 <avfilter_copy_buffer_ref_props+18>: mov 0x50(%eax),%ecx
  96. 0x080ab7a5 <avfilter_copy_buffer_ref_props+21>: mov %ebx,0x4c(%edx)
  97. 0x080ab7a8 <avfilter_copy_buffer_ref_props+24>: mov 0x54(%eax),%ebx
  98. 0x080ab7ab <avfilter_copy_buffer_ref_props+27>: mov %ecx,0x50(%edx)
  99. 0x080ab7ae <avfilter_copy_buffer_ref_props+30>: mov 0x5c(%eax),%ecx
  100. 0x080ab7b1 <avfilter_copy_buffer_ref_props+33>: mov %ebx,0x54(%edx)
  101. 0x080ab7b4 <avfilter_copy_buffer_ref_props+36>: test %ecx,%ecx
  102. 0x080ab7b6 <avfilter_copy_buffer_ref_props+38>: jne 0x80ab7f0 <avfilter_copy_buffer_ref_props+96>
  103. ---Type <return> to continue, or q <return> to quit---
  104. 0x080ab7b8 <avfilter_copy_buffer_ref_props+40>: mov 0x60(%eax),%eax
  105. 0x080ab7bb <avfilter_copy_buffer_ref_props+43>: mov 0x60(%edx),%edx
  106. 0x080ab7be <avfilter_copy_buffer_ref_props+46>: mov (%eax),%ecx
  107. End of assembler dump.
  108. (gdb) info all-registers
  109. eax 0x8f6b280 150385280
  110. ecx 0x33aaa9e 54176414
  111. edx 0x0 0
  112. ebx 0x0 0
  113. esp 0xbfffddc8 0xbfffddc8
  114. ebp 0x0 0x0
  115. esi 0x8f51020 150278176
  116. edi 0x8f6b280 150385280
  117. eip 0x80ab79f 0x80ab79f <avfilter_copy_buffer_ref_props+15>
  118. eflags 0x210286 [ PF SF IF RF ID ]
  119. cs 0x73 115
  120. ss 0x7b 123
  121. ds 0x7b 123
  122. es 0x7b 123
  123. fs 0x0 0
  124. gs 0x33 51
  125. st0 0.0096715819061950827895124405131355161 (raw 0x3ff89e758dff365da000)
  126. st1 2.4075930937553908783854694775072858 (raw 0x40009a160157f04fb800)
  127. st2 2.4075930937553908783854694775072858 (raw 0x40009a160157f04fb800)
  128. st3 0.019157279608339034676633971798764833 (raw 0x3ff99cefba2cbd982---Type <return> to continue, or q <return> to quit---
  129. 800)
  130. st4 -108000000000 (raw 0xc023c92a69c000000000)
  131. st5 1000000 (raw 0x4012f424000000000000)
  132. st6 4 (raw 0x40018000000000000000)
  133. st7 0.72562358276643990073750956071307883 (raw 0x3ffeb9c27795302e7000)
  134. fctrl 0x37f 895
  135. fstat 0x120 288
  136. ftag 0xffff 65535
  137. fiseg 0x73 115
  138. fioff 0x80d1892 135075986
  139. foseg 0x7b 123
  140. fooff 0xbfffde0c -1073750516
  141. fop 0x35c 860
  142. xmm0 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
  143. v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0,
  144. 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0},
  145. uint128 = 0x00000000000000000000000000000000}
  146. xmm1 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
  147. v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0,
  148. 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0},
  149. uint128 = 0x00000000000000000000000000000000}
  150. xmm2 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
  151. ---Type <return> to continue, or q <return> to quit---
  152. v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0,
  153. 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0},
  154. uint128 = 0x00000000000000000000000000000000}
  155. xmm3 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {
  156. 0x8000000000000000, 0x8000000000000000}, v16_int8 = {0x0, 0x0, 0x0,
  157. 0xff <repeats 13 times>}, v8_int16 = {0x0, 0xff00, 0xffff, 0xffff, 0xffff,
  158. 0xffff, 0xffff, 0xffff}, v4_int32 = {0xff000000, 0xffffffff, 0xffffffff,
  159. 0xffffffff}, v2_int64 = {0xffffffffff000000, 0xffffffffffffffff},
  160. uint128 = 0xffffffffffffffffffffffffff000000}
  161. xmm4 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
  162. v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0,
  163. 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0},
  164. uint128 = 0x00000000000000000000000000000000}
  165. xmm5 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
  166. v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0,
  167. 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0},
  168. uint128 = 0x00000000000000000000000000000000}
  169. xmm6 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
  170. v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0,
  171. 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0},
  172. uint128 = 0x00000000000000000000000000000000}
  173. xmm7 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
  174. v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0,
  175. ---Type <return> to continue, or q <return> to quit---
  176. 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0},
  177. uint128 = 0x00000000000000000000000000000000}
  178. mxcsr 0x1f80 [ IM DM ZM OM UM PM ]
  179. mm0 {uint64 = 0x9e758dff365da000, v2_int32 = {0x365da000,
  180. 0x9e758dff}, v4_int16 = {0xa000, 0x365d, 0x8dff, 0x9e75}, v8_int8 = {0x0,
  181. 0xa0, 0x5d, 0x36, 0xff, 0x8d, 0x75, 0x9e}}
  182. mm1 {uint64 = 0x9a160157f04fb800, v2_int32 = {0xf04fb800,
  183. 0x9a160157}, v4_int16 = {0xb800, 0xf04f, 0x157, 0x9a16}, v8_int8 = {0x0,
  184. 0xb8, 0x4f, 0xf0, 0x57, 0x1, 0x16, 0x9a}}
  185. mm2 {uint64 = 0x9a160157f04fb800, v2_int32 = {0xf04fb800,
  186. 0x9a160157}, v4_int16 = {0xb800, 0xf04f, 0x157, 0x9a16}, v8_int8 = {0x0,
  187. 0xb8, 0x4f, 0xf0, 0x57, 0x1, 0x16, 0x9a}}
  188. mm3 {uint64 = 0x9cefba2cbd982800, v2_int32 = {0xbd982800,
  189. 0x9cefba2c}, v4_int16 = {0x2800, 0xbd98, 0xba2c, 0x9cef}, v8_int8 = {0x0,
  190. 0x28, 0x98, 0xbd, 0x2c, 0xba, 0xef, 0x9c}}
  191. mm4 {uint64 = 0xc92a69c000000000, v2_int32 = {0x0, 0xc92a69c0},
  192. v4_int16 = {0x0, 0x0, 0x69c0, 0xc92a}, v8_int8 = {0x0, 0x0, 0x0, 0x0, 0xc0,
  193. 0x69, 0x2a, 0xc9}}
  194. mm5 {uint64 = 0xf424000000000000, v2_int32 = {0x0, 0xf4240000},
  195. v4_int16 = {0x0, 0x0, 0x0, 0xf424}, v8_int8 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
  196. 0x24, 0xf4}}
  197. mm6 {uint64 = 0x8000000000000000, v2_int32 = {0x0, 0x80000000},
  198. v4_int16 = {0x0, 0x0, 0x0, 0x8000}, v8_int8 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
  199. ---Type <return> to continue, or q <return> to quit---
  200. 0x0, 0x80}}
  201. mm7 {uint64 = 0xb9c27795302e7000, v2_int32 = {0x302e7000,
  202. 0xb9c27795}, v4_int16 = {0x7000, 0x302e, 0x7795, 0xb9c2}, v8_int8 = {0x0,
  203. 0x70, 0x2e, 0x30, 0x95, 0x77, 0xc2, 0xb9}}
  204. (gdb)
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