Em seg., 24 de fev. de 2020 às 05:50, Guo, Yejun <yejun....@intel.com> escreveu:
>
> Signed-off-by: Guo, Yejun <yejun....@intel.com>
> ---
> libavfilter/vf_sr.c | 40 ++++++----------------------------------
> 1 file changed, 6 insertions(+), 34 deletions(-)
>
> diff --git a/libavfilter/vf_sr.c b/libavfilter/vf_sr.c
> index 562b030..f000eda 100644
> --- a/libavfilter/vf_sr.c
> +++ b/libavfilter/vf_sr.c
> @@ -176,40 +176,12 @@ static int config_props(AVFilterLink *inlink)
> sr_context->sws_slice_h = inlink->h;
> } else {
> if (inlink->format != AV_PIX_FMT_GRAY8){
> - sws_src_h = sr_context->input.height;
> - sws_src_w = sr_context->input.width;
> - sws_dst_h = sr_context->output.height;
> - sws_dst_w = sr_context->output.width;
> -
> - switch (inlink->format){
> - case AV_PIX_FMT_YUV420P:
> - sws_src_h = AV_CEIL_RSHIFT(sws_src_h, 1);
> - sws_src_w = AV_CEIL_RSHIFT(sws_src_w, 1);
> - sws_dst_h = AV_CEIL_RSHIFT(sws_dst_h, 1);
> - sws_dst_w = AV_CEIL_RSHIFT(sws_dst_w, 1);
> - break;
> - case AV_PIX_FMT_YUV422P:
> - sws_src_w = AV_CEIL_RSHIFT(sws_src_w, 1);
> - sws_dst_w = AV_CEIL_RSHIFT(sws_dst_w, 1);
> - break;
> - case AV_PIX_FMT_YUV444P:
> - break;
> - case AV_PIX_FMT_YUV410P:
> - sws_src_h = AV_CEIL_RSHIFT(sws_src_h, 2);
> - sws_src_w = AV_CEIL_RSHIFT(sws_src_w, 2);
> - sws_dst_h = AV_CEIL_RSHIFT(sws_dst_h, 2);
> - sws_dst_w = AV_CEIL_RSHIFT(sws_dst_w, 2);
> - break;
> - case AV_PIX_FMT_YUV411P:
> - sws_src_w = AV_CEIL_RSHIFT(sws_src_w, 2);
> - sws_dst_w = AV_CEIL_RSHIFT(sws_dst_w, 2);
> - break;
> - default:
> - av_log(context, AV_LOG_ERROR,
> - "could not create SwsContext for scaling for given
> input pixel format: %s\n",
> - av_get_pix_fmt_name(inlink->format));
> - return AVERROR(EIO);
> - }
> + const AVPixFmtDescriptor *desc =
> av_pix_fmt_desc_get(inlink->format);
> + sws_src_h = AV_CEIL_RSHIFT(sr_context->input.height,
> desc->log2_chroma_h);
> + sws_src_w = AV_CEIL_RSHIFT(sr_context->input.width,
> desc->log2_chroma_w);
> + sws_dst_h = AV_CEIL_RSHIFT(sr_context->output.height,
> desc->log2_chroma_h);
> + sws_dst_w = AV_CEIL_RSHIFT(sr_context->output.width,
> desc->log2_chroma_w);
> +
> sr_context->sws_contexts[0] = sws_getContext(sws_src_w,
> sws_src_h, AV_PIX_FMT_GRAY8,
> sws_dst_w,
> sws_dst_h, AV_PIX_FMT_GRAY8,
> SWS_BICUBIC, NULL,
> NULL, NULL);
> --
> 2.7.4
>
LGTM
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