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  1. $ ffmpeg -loglevel debug -protocol_whitelist file,udp,rtp -async 1 -i sdp output.wav
  2.  
  3. ffmpeg version 3.3.4 Copyright (c) 2000-2017 the FFmpeg developers
  4. built with Apple LLVM version 8.1.0 (clang-802.0.42)
  5. configuration: --prefix=/usr/local/Cellar/ffmpeg/3.3.4 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-libmp3lame --enable-libopus --enable-libx264 --enable-libxvid --enable-opencl --enable-videotoolbox --disable-lzma --enable-vda
  6. libavutil 55. 58.100 / 55. 58.100
  7. libavcodec 57. 89.100 / 57. 89.100
  8. libavformat 57. 71.100 / 57. 71.100
  9. libavdevice 57. 6.100 / 57. 6.100
  10. libavfilter 6. 82.100 / 6. 82.100
  11. libavresample 3. 5. 0 / 3. 5. 0
  12. libswscale 4. 6.100 / 4. 6.100
  13. libswresample 2. 7.100 / 2. 7.100
  14. libpostproc 54. 5.100 / 54. 5.100
  15. Splitting the commandline.
  16. Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
  17. Reading option '-protocol_whitelist' ... matched as AVOption 'protocol_whitelist' with argument 'file,udp,rtp'.
  18. Reading option '-async' ... matched as option 'async' (audio sync method) with argument '1'.
  19. Reading option '-i' ... matched as input url with argument 'sdp'.
  20. Reading option 'output.wav' ... matched as output url.
  21. Finished splitting the commandline.
  22. Parsing a group of options: global .
  23. Applying option loglevel (set logging level) with argument debug.
  24. Applying option async (audio sync method) with argument 1.
  25. Successfully parsed a group of options.
  26. Parsing a group of options: input url sdp.
  27. Successfully parsed a group of options.
  28. Opening an input file: sdp.
  29. [NULL @ 0x7fe139802600] Opening 'sdp' for reading
  30. [sdp @ 0x7fe139802600] Format sdp probed with size=2048 and score=50
  31. [sdp @ 0x7fe139802600] audio codec set to: opus
  32. [sdp @ 0x7fe139802600] audio samplerate set to: 48000
  33. [sdp @ 0x7fe139802600] audio channels set to: 2
  34. [udp @ 0x7fe1396002e0] end receive buffer size reported is 65536
  35. [udp @ 0x7fe139400c00] end receive buffer size reported is 65536
  36. [sdp @ 0x7fe139802600] setting jitter buffer size to 500
  37. [sdp @ 0x7fe139802600] Before avformat_find_stream_info() pos: 221 bytes read:221 seeks:0 nb_streams:1
  38. [sdp @ 0x7fe139802600] All info found
  39. [sdp @ 0x7fe139802600] After avformat_find_stream_info() pos: 221 bytes read:221 seeks:0 frames:1
  40. Input #0, sdp, from 'sdp':
  41. Metadata:
  42. title : 123123
  43. Duration: N/A, start: 0.000000, bitrate: N/A
  44. Stream #0:0, 1, 1/48000: Audio: opus, 48000 Hz, stereo, fltp
  45. Successfully opened the file.
  46. Parsing a group of options: output url output.wav.
  47. Successfully parsed a group of options.
  48. Opening an output file: output.wav.
  49. [file @ 0x7fe139402620] Setting default whitelist 'file,crypto'
  50. Successfully opened the file.
  51. Stream mapping:
  52. Stream #0:0 -> #0:0 (opus (native) -> pcm_s16le (native))
  53. Press [q] to stop, [?] for help
  54. cur_dts is invalid (this is harmless if it occurs once at the start per stream)
  55. [SWR @ 0x7fe13a820a00] Using fltp internally between filters
  56. detected 4 logical cores
  57. [graph_0_in_0_0 @ 0x7fe139405980] Setting 'time_base' to value '1/48000'
  58. [graph_0_in_0_0 @ 0x7fe139405980] Setting 'sample_rate' to value '48000'
  59. [graph_0_in_0_0 @ 0x7fe139405980] Setting 'sample_fmt' to value 'fltp'
  60. [graph_0_in_0_0 @ 0x7fe139405980] Setting 'channel_layout' to value '0x3'
  61. [graph_0_in_0_0 @ 0x7fe139405980] tb:1/48000 samplefmt:fltp samplerate:48000 chlayout:0x3
  62. -async is forwarded to lavfi similarly to -af aresample=async=1:min_hard_comp=0.100000:first_pts=0.
  63. [graph_0_aresample_in_0_0 @ 0x7fe1396008c0] Setting 'async' to value '1'
  64. [graph_0_aresample_in_0_0 @ 0x7fe1396008c0] Setting 'min_hard_comp' to value '0.100000'
  65. [graph_0_aresample_in_0_0 @ 0x7fe1396008c0] Setting 'first_pts' to value '0'
  66. [format_out_0_0 @ 0x7fe139600f80] Setting 'sample_fmts' to value 's16'
  67. [AVFilterGraph @ 0x7fe1394056c0] query_formats: 5 queried, 12 merged, 0 already done, 0 delayed
  68. [graph_0_aresample_in_0_0 @ 0x7fe1396008c0] [SWR @ 0x7fe13a010400] Using fltp internally between filters
  69. [graph_0_aresample_in_0_0 @ 0x7fe1396008c0] ch:2 chl:stereo fmt:fltp r:48000Hz -> ch:2 chl:stereo fmt:s16 r:48000Hz
  70. Output #0, wav, to 'output.wav':
  71. Metadata:
  72. INAM : 123123
  73. ISFT : Lavf57.71.100
  74. Stream #0:0, 0, 1/48000: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, stereo, s16, 1536 kb/s
  75. Metadata:
  76. encoder : Lavc57.89.100 pcm_s16le
  77. sdp: Operation timed out00:04.14 bitrate=1536.2kbits/s speed=1.01x
  78. [out_0_0 @ 0x7fe139600da0] EOF on sink link out_0_0:default.
  79. No more output streams to write to, finishing.2kbits/s speed=0.297x
  80. size= 821kB time=00:00:04.38 bitrate=1536.2kbits/s speed=0.297x
  81. video:0kB audio:821kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.011178%
  82. Input file #0 (sdp):
  83. Input stream #0:0 (audio): 219 packets read (12954 bytes); 219 frames decoded (210240 samples);
  84. Total: 219 packets (12954 bytes) demuxed
  85. Output file #0 (output.wav):
  86. Output stream #0:0 (audio): 219 frames encoded (210240 samples); 219 packets muxed (840960 bytes);
  87. Total: 219 packets (840960 bytes) muxed
  88. 219 frames successfully decoded, 0 decoding errors
  89. [AVIOContext @ 0x7fe1394024a0] Statistics: 4 seeks, 222 writeouts
  90. [AVIOContext @ 0x7fe13950e820] Statistics: 221 bytes read, 0 seeks
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