[FFmpeg-trac] #6064(ffmpeg:new): hevc encoded file size and hevc_vaapi filesize is not same
FFmpeg
trac at avcodec.org
Fri Jan 6 09:04:09 EET 2017
#6064: hevc encoded file size and hevc_vaapi filesize is not same
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Reporter: cold1746 | Type: enhancement
Status: new | Priority: critical
Component: ffmpeg | Version: 3.2.1
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
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i tried to reduce bitrate and matain good quality ..im able to achive it
in hevc
but vaapi im getting incresed bitrate and poor quality
code is
ffmpeg -vaapi_device /dev/dri/renderD128 -i "input" -vf
'format=nv12,hwupload,scale_vaapi=720:576' -preset slow -c:v hevc_vaapi
-b:v 600k -maxrate 600k -bufsize 300 -codec:a aac -b:a 96k
vainfo is
vainfo
libva info: VA-API version 0.39.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_39
libva info: va_openDriver() returns 0
vainfo: VA-API version: 0.39 (libva 1.7.0)
vainfo: Driver version: Intel i965 driver for Intel(R) Skylake - 1.7.0
vainfo: Supported profile and entrypoints
VAProfileMPEG2Simple : VAEntrypointVLD
VAProfileMPEG2Simple : VAEntrypointEncSlice
VAProfileMPEG2Main : VAEntrypointVLD
VAProfileMPEG2Main : VAEntrypointEncSlice
VAProfileH264ConstrainedBaseline: VAEntrypointVLD
VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
VAProfileH264Main : VAEntrypointVLD
VAProfileH264Main : VAEntrypointEncSlice
VAProfileH264High : VAEntrypointVLD
VAProfileH264High : VAEntrypointEncSlice
VAProfileH264MultiviewHigh : VAEntrypointVLD
VAProfileH264MultiviewHigh : VAEntrypointEncSlice
VAProfileH264StereoHigh : VAEntrypointVLD
VAProfileH264StereoHigh : VAEntrypointEncSlice
VAProfileVC1Simple : VAEntrypointVLD
VAProfileVC1Main : VAEntrypointVLD
VAProfileVC1Advanced : VAEntrypointVLD
VAProfileNone : VAEntrypointVideoProc
VAProfileJPEGBaseline : VAEntrypointVLD
VAProfileJPEGBaseline : VAEntrypointEncPicture
VAProfileVP8Version0_3 : VAEntrypointVLD
VAProfileVP8Version0_3 : VAEntrypointEncSlice
VAProfileHEVCMain : VAEntrypointVLD
VAProfileHEVCMain : VAEntrypointEncSlice
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Ticket URL: <https://trac.ffmpeg.org/ticket/6064>
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