diff options
| author | Linjie Fu <linjie.fu@intel.com> | 2020-05-12 21:47:13 +0800 |
|---|---|---|
| committer | Linjie Fu <linjie.fu@intel.com> | 2020-07-20 15:27:05 +0800 |
| commit | 43a08d907ba765677254b4816f246a8ecfd7ff78 (patch) | |
| tree | 347008227008d05bd8dcc9c0f42ee3c2da5baf1f /doc/encoders.texi | |
| parent | a7c2cdf0f6bc53d2bdf05fc92f20415a3de7045f (diff) | |
lavc/vaapi_encode_h265: add h265 tile encoding support
Default to enable uniform_spacing_flag. Guess level by the tile
rows/cols. Supported for ICL+ platforms.
Also add documentations.
To encode with 4 rows 2 columns:
ffmpeg ... -c:v hevc_vaapi -tiles 4x2 ...
ffmpeg ... -c:v hevc_vaapi -tile_rows 4 -tile_cols 2 ...
Suggested-by: Jun Zhao <mypopydev@gmail.com>
Signed-off-by: Linjie Fu <linjie.justin.fu@gmail.com>
Diffstat (limited to 'doc/encoders.texi')
| -rw-r--r-- | doc/encoders.texi | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/encoders.texi b/doc/encoders.texi index 5406d20c00..23542c8a62 100644 --- a/doc/encoders.texi +++ b/doc/encoders.texi @@ -3145,6 +3145,19 @@ Include HDR metadata if the input frames have it messages). @end table +@item tiles +Set the number of tiles to encode the input video with, as rows x columns. +Larger numbers allow greater parallelism in both encoding and decoding, but +may decrease coding efficiency. + +@item tile_rows +Selects how many rows of tiles to encode with. For example, 4 tile rows would +be requested by setting the tile_rows option to 4. + +@item tile_cols +Selects how many columns of tiles to encode with. For example, 5 tile columns +would be requested by setting the tile_cols option to 5. + @end table @item mjpeg_vaapi |