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ffmpeg ios transcoding

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Feb 19th, 2014
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  1. Spawning ffmpeg -i rtsp://mafreebox.freebox.fr/fbxtv_pub/stream?namespace=1&service=201&flavour=ld -codec:v libx264 -profile:v high -preset fast -b:v 250k -vf scale=-1:360 -threads 0 -codec:a aac -b:a 96k -f h264 - main.js:2468
  2. grep stderr: ffmpeg version N-60576-g0e97ec5 Copyright (c) 2000-2014 the FFmpeg developers
  3.   built on Feb 13 2014 21:36:27 with gcc 4.8 (Ubuntu/Linaro 4.8.1-10ubuntu9)
  4.   configuration: --arch=x86 --enable-static --disable-shared --disable-ffserver --disable-doc --enable-bzlib --enable-zlib --enable-postproc --enable-runtime-cpudetect --enable-libx264 --enable-gpl --enable-libtheora --enable-libvorbis --enable-libmp3lame --enable-gray --enable-libass --enable-libfreetype --enable-libopenjpeg --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-version3 --enable-libvpx --enable-libx265 --enable-libopus
  5.  main.js:2477
  6. grep stderr:   libavutil      52. 63.101 / 52. 63.101
  7.   libavcodec     55. 52.101 / 55. 52.101
  8.   libavformat    55. 32.100 / 55. 32.100
  9.   libavdevice    55.  9.100 / 55.  9.100
  10.   libavfilter     4.  1.102 /  4.  1.102
  11.   libswscale      2.  5.101 /  2.  5.101
  12.   libswresample   0. 17.104 /  0. 17.104
  13.   libpostproc    52.  3.100 / 52.  3.100
  14.  main.js:2477
  15. grep stderr: [aac @ 0x9db45a0] channel element 2.14 is not allocated
  16.  main.js:2477
  17. grep stderr: [mp3 @ 0x9dc4040] Header missing
  18.  main.js:2477
  19. grep stderr:     Last message repeated 1 times
  20. [NULL @ 0x9dbffe0] non-existing PPS referenced
  21.  main.js:2477
  22. grep stderr: [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  23. [h264 @ 0x9dbffe0] decode_slice_header error
  24. [h264 @ 0x9dbffe0] no frame!
  25.  main.js:2477
  26. grep stderr: [mp3 @ 0x9dc4040] Header missing
  27.     Last message repeated 1 times
  28. [h264 @ 0x9dbffe0] non-existing PPS referenced
  29. [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  30. [h264 @ 0x9dbffe0] decode_slice_header error
  31. [h264 @ 0x9dbffe0] no frame!
  32.  main.js:2477
  33. grep stderr: [aac @ 0x9dc6080] channel element 0.8 is not allocated
  34.  main.js:2477
  35. grep stderr: [h264 @ 0x9dbffe0] non-existing PPS referenced
  36.  main.js:2477
  37. grep stderr: [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  38. [h264 @ 0x9dbffe0] decode_slice_header error
  39. [h264 @ 0x9dbffe0] no frame!
  40. [mp3 @ 0x9dc4040] Header missing
  41. [h264 @ 0x9dbffe0] non-existing PPS referenced
  42. [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  43. [h264 @ 0x9dbffe0] decode_slice_header error
  44. [h264 @ 0x9dbffe0] no frame!
  45. [h264 @ 0x9dbffe0] non-existing PPS referenced
  46. [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  47. [h264 @ 0x9dbffe0] decode_slice_header error
  48. [h264 @ 0x9dbffe0] no frame!
  49. [mp3 @ 0x9dc4040] Header missing
  50.  main.js:2477
  51. grep stderr:     Last message repeated 1 times
  52. [h264 @ 0x9dbffe0] non-existing PPS referenced
  53. [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  54. [h264 @ 0x9dbffe0] decode_slice_header error
  55. [h264 @ 0x9dbffe0] no frame!
  56. [h264 @ 0x9dbffe0] non-existing PPS referenced
  57. [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  58. [h264 @ 0x9dbffe0] decode_slice_header error
  59. [h264 @ 0x9dbffe0] no frame!
  60.  main.js:2477
  61. grep stderr: [mp3 @ 0x9dc4040] Header missing
  62. [h264 @ 0x9dbffe0] non-existing PPS referenced
  63. [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  64. [h264 @ 0x9dbffe0] decode_slice_header error
  65. [h264 @ 0x9dbffe0] no frame!
  66. [h264 @ 0x9dbffe0] non-existing PPS referenced
  67. [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  68. [h264 @ 0x9dbffe0] decode_slice_header error
  69. [h264 @ 0x9dbffe0] no frame!
  70. [mp3 @ 0x9dc4040] Header missing
  71.  main.js:2477
  72. grep stderr: [aac @ 0x9dc68e0] channel element 0.0 is not allocated
  73.  main.js:2477
  74. grep stderr: [mp3 @ 0x9dc4040] Header missing
  75. [h264 @ 0x9dbffe0] non-existing PPS referenced
  76.  main.js:2477
  77. grep stderr: [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  78. [h264 @ 0x9dbffe0] decode_slice_header error
  79. [h264 @ 0x9dbffe0] no frame!
  80. [h264 @ 0x9dbffe0] non-existing PPS referenced
  81. [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  82. [h264 @ 0x9dbffe0] decode_slice_header error
  83. [h264 @ 0x9dbffe0] no frame!
  84. [mp3 @ 0x9dc4040] Header missing
  85.  main.js:2477
  86. grep stderr:     Last message repeated 1 times
  87. [h264 @ 0x9dbffe0] non-existing PPS referenced
  88.  main.js:2477
  89. grep stderr: [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  90. [h264 @ 0x9dbffe0] decode_slice_header error
  91. [h264 @ 0x9dbffe0] no frame!
  92. [h264 @ 0x9dbffe0] non-existing PPS referenced
  93. [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  94. [h264 @ 0x9dbffe0] decode_slice_header error
  95. [h264 @ 0x9dbffe0] no frame!
  96. [mp3 @ 0x9dc4040] Header missing
  97. [h264 @ 0x9dbffe0] non-existing PPS referenced
  98. [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  99. [h264 @ 0x9dbffe0] decode_slice_header error
  100. [h264 @ 0x9dbffe0] no frame!
  101. [h264 @ 0x9dbffe0] non-existing PPS referenced
  102. [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  103. [h264 @ 0x9dbffe0] decode_slice_header error
  104. [h264 @ 0x9dbffe0] no frame!
  105.  main.js:2477
  106. grep stderr: [mp3 @ 0x9dc4040] Header missing
  107.     Last message repeated 1 times
  108. [h264 @ 0x9dbffe0] non-existing PPS referenced
  109. [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  110. [h264 @ 0x9dbffe0] decode_slice_header error
  111. [h264 @ 0x9dbffe0] no frame!
  112. [mp3 @ 0x9dc4040] Header missing
  113. [h264 @ 0x9dbffe0] non-existing PPS referenced
  114. [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  115. [h264 @ 0x9dbffe0] decode_slice_header error
  116. [h264 @ 0x9dbffe0] no frame!
  117.  main.js:2477
  118. grep stderr: [h264 @ 0x9dbffe0] non-existing PPS referenced
  119. [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  120. [h264 @ 0x9dbffe0] decode_slice_header error
  121. [h264 @ 0x9dbffe0] no frame!
  122. [mp3 @ 0x9dc4040] Header missing
  123.  main.js:2477
  124. grep stderr: [h264 @ 0x9dbffe0] non-existing PPS referenced
  125. [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  126. [h264 @ 0x9dbffe0] decode_slice_header error
  127. [h264 @ 0x9dbffe0] no frame!
  128. [mp3 @ 0x9dc4040] Header missing
  129.     Last message repeated 1 times
  130. [h264 @ 0x9dbffe0] non-existing PPS referenced
  131. [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  132. [h264 @ 0x9dbffe0] decode_slice_header error
  133. [h264 @ 0x9dbffe0] no frame!
  134. [h264 @ 0x9dbffe0] non-existing PPS referenced
  135. [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  136. [h264 @ 0x9dbffe0] decode_slice_header error
  137. [h264 @ 0x9dbffe0] no frame!
  138. [mp3 @ 0x9dc4040] Header missing
  139.  main.js:2477
  140. grep stderr: [h264 @ 0x9dbffe0] non-existing PPS referenced
  141.  main.js:2477
  142. grep stderr: [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  143. [h264 @ 0x9dbffe0] decode_slice_header error
  144. [h264 @ 0x9dbffe0] no frame!
  145. [mp3 @ 0x9dc4040] Header missing
  146. [h264 @ 0x9dbffe0] non-existing PPS referenced
  147. [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  148. [h264 @ 0x9dbffe0] decode_slice_header error
  149. [h264 @ 0x9dbffe0] no frame!
  150. [mp3 @ 0x9dc4040] Header missing
  151.     Last message repeated 2 times
  152. [h264 @ 0x9dbffe0] non-existing PPS referenced
  153. [h264 @ 0x9dbffe0] non-existing PPS 0 referenced
  154. [h264 @ 0x9dbffe0] decode_slice_header error
  155. [h264 @ 0x9dbffe0] no frame!
  156. [mp3 @ 0x9dc4040] Header missing
  157.  main.js:2477
  158. grep stderr:     Last message repeated 103 times
  159. [rtsp @ 0x9d6e020] decoding for stream 2 failed
  160.  main.js:2477
  161. grep stderr: [rtsp @ 0x9d6e020] Could not find codec parameters for stream 2 (Audio: mp3 ([6][0][0][0] / 0x0006), 0 channels, s16p): unspecified frame size
  162. Consider increasing the value for the 'analyzeduration' and 'probesize' options
  163. Input #0, rtsp, from 'rtsp://mafreebox.freebox.fr/fbxtv_pub/stream?namespace=1&service=201&flavour=ld':
  164.   Metadata:
  165.     title           : unknown
  166.     comment         : unknown
  167.   Duration: N/A, start: 67740.628956, bitrate: 252 kb/s
  168.   Program 10983
  169.     Stream #0:1: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p, 720x576 [SAR 64:45 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
  170.     Stream #0:3(fra): Audio: aac ([15][0][0][0] / 0x000F), 48000 Hz, stereo, fltp, 127 kb/s
  171.     Stream #0:2(fra,fra): Audio: mp3 ([6][0][0][0] / 0x0006), 0 channels, s16p
  172.     Stream #0:0(qad): Audio: aac, 48000 Hz, mono, fltp, 48 kb/s
  173.     Stream #0:4(qaa): Audio: aac ([15][0][0][0] / 0x000F), 48000 Hz, stereo, fltp, 76 kb/s
  174.  main.js:2477
  175. grep stderr: [libx264 @ 0x9ebc0e0] using SAR=64/45
  176.  main.js:2477
  177. grep stderr: [libx264 @ 0x9ebc0e0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
  178.  main.js:2477
  179. grep stderr: [libx264 @ 0x9ebc0e0] profile High, level 2.1
  180.  main.js:2477
  181. grep stderr: Output #0, h264, to 'pipe:':
  182.   Metadata:
  183.     title           : unknown
  184.     comment         :  main.js:2477
  185. grep stderr: unknown
  186.     encoder         : Lavf55.32.100
  187.     Stream #0:0: Video: h264 (libx264), yuv420p, 450x360 [SAR 64:45 DAR 16:9], q=-1--1, 250 kb/s, 90k tbn, 25 tbc
  188. Stream mapping:
  189.   Stream #0:1 -> #0:0 (h264 -> libx264)
  190. Press [q] to stop, [?] for help
  191.  main.js:2477
  192. grep stderr: [h264 @ 0xa16e0a0] Reference 24 >= 6
  193. [h264 @ 0xa16e0a0] error while decoding MB 35 32, bytestream (421)
  194. [h264 @ 0xa16e0a0] Cannot use next picture in error concealment
  195.  main.js:2477
  196. grep stderr: [h264 @ 0xa16e0a0] concealing 194 DC, 194 AC, 194 MV errors in P frame
  197.  main.js:2477
  198. ffmpeg terminado
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