On 08/03/2020 08:28, Linjie Fu wrote:
> Use desc->log2_chroma_w/h to calculate the sps->conf_win_right/bottom_offset.
>
> Based on Table 6-1, SubWidthC and SubHeightC depend on chroma
> format(log2_chroma_w/h).
>
> Based on D-28 and D-29, set the correct cropped width/height.
>
> croppedWidth = pic_width_in_luma_samples −
> SubWidthC * ( conf_win_right_offset + conf_win_left_offset );
>
> croppedHeight = pic_height_in_luma_samples −
> SubHeightC * ( conf_win_bottom_offset + conf_win_top_offset );
>
> Signed-off-by: Linjie Fu <linjie...@intel.com>
> ---
> [v2]: use desc->log2_chroma_w/h.
>
> libavcodec/vaapi_encode_h265.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/libavcodec/vaapi_encode_h265.c b/libavcodec/vaapi_encode_h265.c
> index ace7696..bebb0f9 100644
> --- a/libavcodec/vaapi_encode_h265.c
> +++ b/libavcodec/vaapi_encode_h265.c
> @@ -410,10 +410,10 @@ static int
> vaapi_encode_h265_init_sequence_params(AVCodecContext *avctx)
> sps->conformance_window_flag = 1;
> sps->conf_win_left_offset = 0;
> sps->conf_win_right_offset =
> - (ctx->surface_width - avctx->width) / 2;
> + (ctx->surface_width - avctx->width) >> desc->log2_chroma_w;
> sps->conf_win_top_offset = 0;
> sps->conf_win_bottom_offset =
> - (ctx->surface_height - avctx->height) / 2;
> + (ctx->surface_height - avctx->height) >> desc->log2_chroma_h;
> } else {
> sps->conformance_window_flag = 0;
> }
>
Yep, applied.
Thanks,
- Mark
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