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Intel Transcoder failed : Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate

Dear,

 

I want to reduce bandwidth usage by using Intel Transcoding.

I was given a tutorial or steps by ezserver support:

http://www.ezhometech.com/document/intel_ffmpeg.txt

After I search on google, it turned out that MediaServerStudioEssentials2018R1.tar.gz only supports Intel Generation 6.7 and 8.

https://software.intel.com/en-us/articles/intel-media-sdk-release-notes
https://software.intel.com/en-us/articles/driver-support-matrix-for-media-sdk-and-opencl

Now I have used intel generation 7 but it still failed.

I use CentOS 7.4.

This is the error result :

[root@iptv ezserver_ai]# ./ffmpeg -y -i http://maxptv.ddns.net:25461/movie/MA020/0706/1054.mp4 -vcodec h264_qsv -acodec copy -b:v 8000K out.mp4
ffmpeg version 3.2.12 Copyright (c) 2000-2018 the FFmpeg developers
  built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-16)
  configuration: --enable-libmfx --enable-nonfree
  libavutil      55. 34.101 / 55. 34.101
  libavcodec     57. 64.101 / 57. 64.101
  libavformat    57. 56.101 / 57. 56.101
  libavdevice    57.  1.100 / 57.  1.100
  libavfilter     6. 65.100 /  6. 65.100
  libswscale      4.  2.100 /  4.  2.100
  libswresample   2.  3.100 /  2.  3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'http://maxptv.ddns.net:25461/movie/MA020/0706/1054.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    title           : BAIXE OUTROS FILMES NO COMANDOTORRENTS.COM
    encoder         : Lavf57.82.100
  Duration: 01:35:50.82, start: 0.000000, bitrate: 1439 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x534 [SAR 801:800 DAR 12:5], 1049 kb/s, SAR 1:1 DAR 640:267, 24 fps, 24 tbr, 16k tbn, 48 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #0:1(por): Audio: ac3 (ac-3 / 0x332D6361), 48000 Hz, stereo, fltp, 384 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
    Side data:
      audio service type: main
libva info: VA-API version 1.0.0
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_1_0
DRM_IOCTL_I915_GEM_APERTURE failed: Invalid argument
Assuming 131072kB available aperture size.
May lead to reduced performance or incorrect rendering.
get chip id failed: -1 [22]
param: 4, val: 0
libva error: /opt/intel/mediasdk/lib64/iHD_drv_video.so init failed
libva info: va_openDriver() returns 18
[h264_qsv @ 0x2489f40] mfx init: /dev/dri/renderD128 vaInitialize failed
[h264_qsv @ 0x2489f40] mfx init: /dev/dri/renderD129 fd open failed
[h264_qsv @ 0x2489f40] mfx init: /dev/dri/renderD130 fd open failed
libva info: VA-API version 1.0.0
open lib: No such file or directory
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_1_0
DRM_IOCTL_I915_GEM_APERTURE failed: Invalid argument
Assuming 131072kB available aperture size.
May lead to reduced performance or incorrect rendering.
get chip id failed: -1 [22]
param: 4, val: 0
libva error: /opt/intel/mediasdk/lib64/iHD_drv_video.so init failed
libva info: va_openDriver() returns 18
[h264_qsv @ 0x2489f40] mfx init: /dev/dri/card0 vaInitialize failed
[h264_qsv @ 0x2489f40] mfx init: /dev/dri/card1 fd open failed
[h264_qsv @ 0x2489f40] mfx init: /dev/dri/card2 fd open failed
[h264_qsv @ 0x2489f40] Selected ratecontrol mode is not supported by the QSV runtime. Choose a different mode.
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (h264_qsv))
  Stream #0:1 -> #0:1 (copy)
Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height


Why? please help as soon as possible.

Please help me.

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