[root@localhost mediasdk-tutorials-0.0.3]# ffmpeg -i to_m.mp4  -vcodec h264_qsv -an out_qsv.h264
ffmpeg version 3.0 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-4)
  configuration: --enable-libmfx --enable-nonfree --disable-yasm
  libavutil      55. 17.103 / 55. 17.103
  libavcodec     57. 24.102 / 57. 24.102
  libavformat    57. 25.100 / 57. 25.100
  libavdevice    57.  0.101 / 57.  0.101
  libavfilter     6. 31.100 /  6. 31.100
  libswscale      4.  0.100 /  4.  0.100
  libswresample   2.  0.101 /  2.  0.101
to_m.mp4: No such file or directory
[root@localhost mediasdk-tutorials-0.0.3]# cd _build/
[root@localhost _build]# ffmpeg -i to_m.mp4  -vcodec h264_qsv -an out_qsv.h264
ffmpeg version 3.0 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-4)
  configuration: --enable-libmfx --enable-nonfree --disable-yasm
  libavutil      55. 17.103 / 55. 17.103
  libavcodec     57. 24.102 / 57. 24.102
  libavformat    57. 25.100 / 57. 25.100
  libavdevice    57.  0.101 / 57.  0.101
  libavfilter     6. 31.100 /  6. 31.100
  libswscale      4.  0.100 /  4.  0.100
  libswresample   2.  0.101 /  2.  0.101
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'to_m.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    creation_time   : 2013-12-21 20:57:24
  Duration: 00:01:10.08, start: 0.000000, bitrate: 2242 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720, 2047 kb/s, 29.97 fps, 29.97 tbr, 60k tbn, 59.94 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 191 kb/s (default)
    Metadata:
      creation_time   : 2013-12-21 20:57:25
      handler_name    : IsoMedia File Produced by Google, 5-11-2011
libva info: VA-API version 0.35.0
libva info: va_getDriverName() returns 0
libva info: User requested driver 'iHD'
libva info: Trying to open /opt/intel/mediasdk/lib64/iHD_drv_video.so
libva info: Found init function __vaDriverInit_0_32
libva info: va_openDriver() returns 0
Output #0, h264, to 'out_qsv.h264':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    encoder         : Lavf57.25.100
    Stream #0:0(und): Video: h264 (h264_qsv), nv12, 1280x720, q=2-31, 1000 kb/s, 29.97 fps, 29.97 tbn, 29.97 tbc (default)
    Metadata:
      handler_name    : VideoHandler
      encoder         : Lavc57.24.102 h264_qsv
    Side data:
      unknown side data type 10 (24 bytes)
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (h264_qsv))
Press [q] to stop, [?] for help
frame= 2100 fps=248 q=-0.0 Lsize=    8464kB time=00:01:10.03 bitrate= 990.0kbits/s speed=8.29x    
video:8464kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000%
[root@localhost _build]# ffmpeg -i to_m.mp4 -vn -acodec copy output.aac
ffmpeg version 3.0 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-4)
  configuration: --enable-libmfx --enable-nonfree --disable-yasm
  libavutil      55. 17.103 / 55. 17.103
  libavcodec     57. 24.102 / 57. 24.102
  libavformat    57. 25.100 / 57. 25.100
  libavdevice    57.  0.101 / 57.  0.101
  libavfilter     6. 31.100 /  6. 31.100
  libswscale      4.  0.100 /  4.  0.100
  libswresample   2.  0.101 /  2.  0.101
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'to_m.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    creation_time   : 2013-12-21 20:57:24
  Duration: 00:01:10.08, start: 0.000000, bitrate: 2242 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720, 2047 kb/s, 29.97 fps, 29.97 tbr, 60k tbn, 59.94 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 191 kb/s (default)
    Metadata:
      creation_time   : 2013-12-21 20:57:25
      handler_name    : IsoMedia File Produced by Google, 5-11-2011
Output #0, adts, to 'output.aac':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    encoder         : Lavf57.25.100
    Stream #0:0(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, 191 kb/s (default)
    Metadata:
      creation_time   : 2013-12-21 20:57:25
      handler_name    : IsoMedia File Produced by Google, 5-11-2011
Stream mapping:
  Stream #0:1 -> #0:0 (copy)
Press [q] to stop, [?] for help
size=    1663kB time=00:01:10.07 bitrate= 194.4kbits/s speed=5.34e+03x    
video:0kB audio:1642kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.256104%
[root@localhost _build]# ./simple_decode out_qsv.h264 raw 
libva info: VA-API version 0.35.0
libva info: va_getDriverName() returns 0
libva info: User requested driver 'iHD'
libva info: Trying to open /opt/intel/mediasdk/lib64/iHD_drv_video.so
libva info: Found init function __vaDriverInit_0_32
libva info: va_openDriver() returns 0
Frame number: 2100
Execution time: 33.01 s (63.62 fps)

^C
[root@localhost _build]# ./simple_encode -g 1280x720 -b 1000 -f 30/1 out_qsv.h264 op.mp4  
libva info: VA-API version 0.35.0
libva info: va_getDriverName() returns 0
libva info: User requested driver 'iHD'
libva info: Trying to open /opt/intel/mediasdk/lib64/iHD_drv_video.so
libva info: Found init function __vaDriverInit_0_32
libva info: va_openDriver() returns 0
Frame number: 6
Execution time: 0.04 s (135.87 fps)
[root@localhost _build]# ffmpeg -i op.mp4 -i output.aac try.mp4 
ffmpeg version 3.0 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-4)
  configuration: --enable-libmfx --enable-nonfree --disable-yasm
  libavutil      55. 17.103 / 55. 17.103
  libavcodec     57. 24.102 / 57. 24.102
  libavformat    57. 25.100 / 57. 25.100
  libavdevice    57.  0.101 / 57.  0.101
  libavfilter     6. 31.100 /  6. 31.100
  libswscale      4.  0.100 /  4.  0.100
  libswresample   2.  0.101 /  2.  0.101
Input #0, h264, from 'op.mp4':
  Duration: N/A, bitrate: N/A
    Stream #0:0: Video: h264 (High), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 30 fps, 30 tbr, 1200k tbn, 60 tbc
[aac @ 0x1e9cba0] Estimating duration from bitrate, this may be inaccurate
Input #1, aac, from 'output.aac':
  Duration: 00:01:10.11, bitrate: 194 kb/s
    Stream #1:0: Audio: aac (LC), 44100 Hz, stereo, fltp, 194 kb/s
Output #0, mp4, to 'try.mp4':
  Metadata:
    encoder         : Lavf57.25.100
    Stream #0:0: Video: mpeg4 ( [0][0][0] / 0x0020), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 30 fps, 15360 tbn, 30 tbc
    Metadata:
      encoder         : Lavc57.24.102 mpeg4
    Side data:
      unknown side data type 10 (24 bytes)
    Stream #0:1: Audio: aac (LC) ([64][0][0][0] / 0x0040), 44100 Hz, stereo, fltp, 128 kb/s
    Metadata:
      encoder         : Lavc57.24.102 aac
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> mpeg4 (native))
  Stream #1:0 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
frame=    6 fps=2.2 q=9.7 Lsize=    1974kB time=00:01:10.07 bitrate= 230.8kbits/s speed=  26x    
video:882kB audio:1079kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.676221%
[aac @ 0x1e96b40] Qavg: 3510.735