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vf_scale_vaapi: Crop input surface to active region

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If the input has been decoded from a stream which uses edge cropping
then the whole surface need not be valid.  This defines an input
region for the scaler so we only use the active area of the frame.
This commit is contained in:
Mark Thompson 2016-09-13 20:50:57 +01:00
parent 3a9662af6c
commit bdf7610eb2
1 changed files with 11 additions and 1 deletions
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12
libavfilter/vf_scale_vaapi.c
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@ -259,6 +259,7 @@ static int scale_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
VASurfaceID input_surface, output_surface;
VAProcPipelineParameterBuffer params;
VABufferID params_id;
VARectangle input_region;
VAStatus vas;
int err;
@ -292,8 +293,17 @@ static int scale_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
memset(&params, 0, sizeof(params));
// If there were top/left cropping, it could be taken into
// account here.
input_region = (VARectangle) {
.x = 0,
.y = 0,
.width = input_frame->width,
.height = input_frame->height,
};
params.surface = input_surface;
params.surface_region = 0;
params.surface_region = &input_region;
params.surface_color_standard =
vaapi_proc_colour_standard(input_frame->colorspace);