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mpeg2: add support for video cropping.

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If the stream has a sequence_display_extenion, then attach the
display_horizontal/display_vertical dimension as the cropping
rectangle width/height to the GstVaapiPicture.

Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
This commit is contained in:
Sreerenj Balachandran 2013-02-18 16:28:27 +02:00 committed by Gwenole Beauchesne
parent f9ae0c0de4
commit 0b1faa62d0
1 changed files with 11 additions and 0 deletions
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11
gst-libs/gst/vaapi/gstvaapidecoder_mpeg2.c
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@ -1471,6 +1471,17 @@ gst_vaapi_decoder_mpeg2_start_frame(GstVaapiDecoder *base_decoder,
gst_vaapi_picture_replace(&priv->current_picture, picture); gst_vaapi_picture_replace(&priv->current_picture, picture);
gst_vaapi_picture_unref(picture); gst_vaapi_picture_unref(picture);
/* Update cropping rectangle */
if (seq_display_ext) {
GstVaapiRectangle crop_rect;
crop_rect.x = 0;
crop_rect.y = 0;
crop_rect.width = seq_display_ext->display_horizontal_size;
crop_rect.height = seq_display_ext->display_vertical_size;
if (crop_rect.width <= priv->width && crop_rect.height <= priv->height)
gst_vaapi_picture_set_crop_rect(picture, &crop_rect);
}
status = ensure_quant_matrix(decoder, picture); status = ensure_quant_matrix(decoder, picture);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS) { if (status != GST_VAAPI_DECODER_STATUS_SUCCESS) {
GST_ERROR("failed to reset quantizer matrix"); GST_ERROR("failed to reset quantizer matrix");