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Diffstat (limited to 'doc/encoders.texi')
| -rw-r--r-- | doc/encoders.texi | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/doc/encoders.texi b/doc/encoders.texi index a304f865a6..806cc430d4 100644 --- a/doc/encoders.texi +++ b/doc/encoders.texi @@ -3266,6 +3266,14 @@ Enable rate distortion optimization. @item @var{max_frame_size} Maximum encoded frame size in bytes. +@item @var{max_frame_size_i} +Maximum encoded frame size for I frames in bytes. If this value is set as larger +than zero, then for I frames the value set by max_frame_size is ignored. + +@item @var{max_frame_size_p} +Maximum encoded frame size for P frames in bytes. If this value is set as larger +than zero, then for P frames the value set by max_frame_size is ignored. + @item @var{max_slice_size} Maximum encoded slice size in bytes. @@ -3282,6 +3290,11 @@ Setting this flag enables macroblock level bitrate control that generally improves subjective visual quality. Enabling this flag may have negative impact on performance and objective visual quality metric. +@item @var{low_delay_brc} +Setting this flag turns on or off LowDelayBRC feautre in qsv plugin, which provides +more accurate bitrate control to minimize the variance of bitstream size frame +by frame. Value: -1-default 0-off 1-on + @item @var{adaptive_i} This flag controls insertion of I frames by the QSV encoder. Turn ON this flag to allow changing of frame type from P and B to I. @@ -3394,6 +3407,14 @@ Enable rate distortion optimization. @item @var{max_frame_size} Maximum encoded frame size in bytes. +@item @var{max_frame_size_i} +Maximum encoded frame size for I frames in bytes. If this value is set as larger +than zero, then for I frames the value set by max_frame_size is ignored. + +@item @var{max_frame_size_p} +Maximum encoded frame size for P frames in bytes. If this value is set as larger +than zero, then for P frames the value set by max_frame_size is ignored. + @item @var{max_slice_size} Maximum encoded slice size in bytes. @@ -3402,6 +3423,11 @@ Setting this flag enables macroblock level bitrate control that generally improves subjective visual quality. Enabling this flag may have negative impact on performance and objective visual quality metric. +@item @var{low_delay_brc} +Setting this flag turns on or off LowDelayBRC feautre in qsv plugin, which provides +more accurate bitrate control to minimize the variance of bitstream size frame +by frame. Value: -1-default 0-off 1-on + @item @var{p_strategy} Enable P-pyramid: 0-default 1-simple 2-pyramid(bf need to be set to 0). |