Opened 7 years ago
Closed 7 years ago
#6064 closed defect (invalid)
hevc encoded file size and hevc_vaapi filesize is not same
| Reported by: | cold1746 | Owned by: | |
|---|---|---|---|
| Priority: | normal | Component: | undetermined |
| Version: | unspecified | Keywords: | |
| Cc: | Blocked By: | ||
| Blocking: | Reproduced by developer: | no | |
| Analyzed by developer: | no |
Description
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
Change History (2)
comment:1 by , 7 years ago
| Type: | enhancement → defect |
|---|
comment:2 by , 7 years ago
| Component: | ffmpeg → undetermined |
|---|---|
| Priority: | critical → normal |
| Reproduced by developer: | unset |
| Resolution: | → invalid |
| Status: | new → closed |
| Version: | 3.2.1 → unspecified |
Generally, neither "file size" nor "poor quality" indicate valid bug reports, even less so for hardware accelerated encoding.