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decoder: vp9: Add crop rectangle support.
Set crop rectange if: There is display_width and display_height which is different from actual width/height or The changed resolution is less than the actual configured dimension of surfaces
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1 changed files with 19 additions and 0 deletions
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@ -395,8 +395,10 @@ decode_picture (GstVaapiDecoderVp9 * decoder, const guchar * buf,
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guint buf_size)
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{
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GstVaapiDecoderVp9Private *const priv = &decoder->priv;
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GstVp9FrameHdr *frame_hdr = &priv->frame_hdr;
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GstVaapiPicture *picture;
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GstVaapiDecoderStatus status;
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guint crop_width = 0, crop_height = 0;
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status = ensure_context (decoder);
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if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
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@ -413,6 +415,23 @@ decode_picture (GstVaapiDecoderVp9 * decoder, const guchar * buf,
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gst_vaapi_picture_replace (&priv->current_picture, picture);
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gst_vaapi_picture_unref (picture);
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if (frame_hdr->display_size_enabled) {
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crop_width = frame_hdr->display_width;
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crop_height = frame_hdr->display_height;
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} else if (priv->width > frame_hdr->width
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|| priv->height > frame_hdr->height) {
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crop_width = frame_hdr->width;
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crop_height = frame_hdr->height;
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}
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if (crop_width || crop_height) {
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GstVaapiRectangle crop_rect;
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crop_rect.x = 0;
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crop_rect.y = 0;
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crop_rect.width = crop_width;
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crop_rect.height = crop_height;
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gst_vaapi_picture_set_crop_rect (picture, &crop_rect);
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}
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init_picture (decoder, picture);
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if (!fill_picture (decoder, picture))
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return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
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