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va: h264dec: Set the padding to VideoAlignment's right.

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In our va implemenation, we just use image's info to map the buffer.
The padding info just plays a role as a place holder to expand the
allocation size in caps when decoding size is bigger than display
size. So the padding_right or padding_left does not change the result.
But we find if using padding_left, it is hard to meet the requirement
of gst_video_meta_validate_alignment(), when the video meta's stride
is different from the allocation width.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1698>
This commit is contained in:
He Junyan 2020-10-26 11:50:59 +08:00 committed by GStreamer Merge Bot
parent 6e72f45a8f
commit caf28d8f12
1 changed files with 1 additions and 1 deletions
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2
sys/va/gstvah264dec.c
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@ -652,7 +652,7 @@ gst_va_h264_dec_new_sequence (GstH264Decoder * decoder, const GstH264SPS * sps,
/* *INDENT-OFF* */
base->valign = (GstVideoAlignment) {
.padding_bottom = self->coded_height - base->height,
.padding_left = self->coded_width - base->width,
.padding_right = self->coded_width - base->width,
};
/* *INDENT-ON* */
}