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flac encoding converts 24 bit pcm to 16 bit flac

By: dericed on May 29th, 2012  |  syntax: None  |  size: 5.01 KB  |  views: 100  |  expires: Never
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  1. ffmpeg started on 2012-05-29 at 16:28:32
  2. Report written to "ffmpeg-20120529-162832.log"
  3. Command line:
  4. ffmpeg -report -i HBT_00001_01.wav HBT_00001_01.flac
  5. ffmpeg version 0.10.2.git Copyright (c) 2000-2012 the FFmpeg developers
  6.   built on May 23 2012 09:21:20 with gcc 4.2.1 (Apple Inc. build 5666) (dot 3)
  7.   configuration: --prefix=/usr/local/Cellar/ffmpeg/HEAD --enable-shared --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-libfreetype --cc=/usr/bin/gcc-4.2 --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-librtmp --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libxvid --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libass
  8.   libavutil      51. 53.100 / 51. 53.100
  9.   libavcodec     54. 23.100 / 54. 23.100
  10.   libavformat    54.  6.100 / 54.  6.100
  11.   libavdevice    53.  4.100 / 53.  4.100
  12.   libavfilter     2. 76.100 /  2. 76.100
  13.   libswscale      2.  1.100 /  2.  1.100
  14.   libswresample   0. 15.100 /  0. 15.100
  15.   libpostproc    52.  0.100 / 52.  0.100
  16. [wav @ 0x7f85fb04e200] Format wav probed with size=2048 and score=99
  17. [wav @ 0x7f85fb04e200] File position before avformat_find_stream_info() is 44
  18. [wav @ 0x7f85fb04e200] parser not found for codec pcm_s24le, packets or times may be invalid.
  19. [wav @ 0x7f85fb04e200] max_analyze_duration 5000000 reached at 5001333
  20. [wav @ 0x7f85fb04e200] File position after avformat_find_stream_info() is 2893088
  21. Guessed Channel Layout for  Input Stream #0.0 : stereo
  22. Input #0, wav, from 'HBT_00001_01.wav':
  23.   Duration: 00:15:19.25, bitrate: 4608 kb/s
  24.     Stream #0:0, 706, 1/96000: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 96000 Hz, stereo, s32, 4608 kb/s
  25. [abuffer source @ 0x7f85fac2ef60] Setting entry with key 'time_base' to value '1/96000'
  26. [abuffer source @ 0x7f85fac2ef60] Setting entry with key 'sample_rate' to value '96000'
  27. [abuffer source @ 0x7f85fac2ef60] Setting entry with key 'sample_fmt' to value 's32'
  28. [abuffer source @ 0x7f85fac2ef60] Setting entry with key 'channel_layout' to value '0x3'
  29. [abuffer @ 0x7f85fac2eee0] tb:1/96000 samplefmt:s32 samplerate: 96000 ch layout:0x3
  30. [aformat filter @ 0x7f85fac2f360] Setting entry with key 'sample_fmts' to value 's16'
  31. [aformat @ 0x7f85fac2f300] auto-inserting filter 'auto-inserted resampler 0' between the filter 'src' and the filter 'aformat'
  32. [aresample @ 0x7f85fac2f820] r:96000Hz -> r:96000Hz
  33. [flac @ 0x7f85fb064e00]  compression: 5
  34. [flac @ 0x7f85fb064e00]  lpc type: Levinson-Durbin recursion with Welch window
  35. [flac @ 0x7f85fb064e00]  prediction order: 1, 8
  36. [flac @ 0x7f85fb064e00]  order method: estimate
  37. [flac @ 0x7f85fb064e00]  partition order: 0, 8
  38. [flac @ 0x7f85fb064e00]  block size: 8192
  39. [flac @ 0x7f85fb064e00]  lpc precision: 15
  40. Output #0, flac, to 'HBT_00001_01.flac':
  41.   Metadata:
  42.     encoder         : Lavf54.6.100
  43.     Stream #0:0, 0, 1/90000: Audio: flac, 96000 Hz, stereo, s16, 128 kb/s
  44. Stream mapping:
  45.   Stream #0:0 -> #0:0 (pcm_s24le -> flac)
  46. Press [q] to stop, [?] for help
  47. size=    5046kB time=00:00:37.37 bitrate=1106.0kbits/s    
  48. size=    6402kB time=00:00:47.44 bitrate=1105.3kbits/s    
  49. size=   11056kB time=00:01:21.23 bitrate=1114.9kbits/s    
  50. size=   15492kB time=00:01:53.23 bitrate=1120.7kbits/s    
  51. size=   21201kB time=00:02:33.68 bitrate=1130.1kbits/s    
  52. size=   25907kB time=00:03:06.45 bitrate=1138.2kbits/s    
  53. size=   31545kB time=00:03:45.36 bitrate=1146.6kbits/s    
  54. size=   36754kB time=00:04:21.37 bitrate=1151.9kbits/s    
  55. size=   42664kB time=00:05:01.14 bitrate=1160.6kbits/s    
  56. size=   48396kB time=00:05:39.37 bitrate=1168.2kbits/s    
  57. size=   52228kB time=00:06:04.54 bitrate=1173.7kbits/s    
  58. size=   53039kB time=00:06:09.92 bitrate=1174.6kbits/s    
  59. size=   53453kB time=00:06:12.65 bitrate=1175.1kbits/s    
  60. size=   54060kB time=00:06:16.74 bitrate=1175.5kbits/s    
  61. size=   54416kB time=00:06:19.13 bitrate=1175.8kbits/s    
  62. size=   54871kB time=00:06:22.12 bitrate=1176.3kbits/s    
  63. size=   57322kB time=00:06:38.33 bitrate=1178.9kbits/s    
  64. size=   62804kB time=00:07:14.26 bitrate=1184.8kbits/s    
  65. size=   67371kB time=00:07:43.87 bitrate=1189.8kbits/s    
  66. size=   71944kB time=00:08:13.39 bitrate=1194.5kbits/s    
  67. size=   75986kB time=00:08:42.41 bitrate=1191.5kbits/s    
  68. size=   80117kB time=00:09:11.25 bitrate=1190.6kbits/s    
  69. size=   85734kB time=00:09:47.52 bitrate=1195.4kbits/s    
  70. size=   89565kB time=00:10:12.09 bitrate=1198.7kbits/s    
  71. size=   96307kB time=00:10:55.01 bitrate=1204.5kbits/s    
  72. size=  101125kB time=00:11:25.39 bitrate=1208.7kbits/s    
  73. size=  105546kB time=00:11:52.53 bitrate=1213.5kbits/s    
  74. size=  110040kB time=00:12:20.26 bitrate=1217.7kbits/s    
  75. size=  116231kB time=00:12:58.75 bitrate=1222.7kbits/s    
  76. size=  121357kB time=00:13:29.98 bitrate=1227.4kbits/s    
  77. size=  127183kB time=00:14:04.62 bitrate=1233.5kbits/s    
  78. size=  132809kB time=00:14:37.22 bitrate=1240.2kbits/s    
  79. size=  139055kB time=00:15:12.98 bitrate=1247.7kbits/s    
  80. size=  140166kB time=00:15:19.29 bitrate=1249.0kbits/s    
  81. video:0kB audio:140158kB global headers:0kB muxing overhead 0.005750%
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