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androidmedia: fix a minor error in COLOR_FormatYUV420Planar converting

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=700521
This commit is contained in:
Chen Jie 2013-05-17 20:17:31 +08:00 committed by Sebastian Dröge
parent 15f4154b6a
commit 0a90994b99
1 changed files with 9 additions and 2 deletions
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11
sys/androidmedia/gstamcvideodec.c
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@ -841,13 +841,20 @@ gst_amc_video_dec_fill_buffer (GstAmcVideoDec * self, gint idx,
src += self->crop_left; src += self->crop_left;
row_length = self->width; row_length = self->width;
} else if (i > 0) { } else if (i > 0) {
/* skip the Y plane */
src += slice_height * stride; src += slice_height * stride;
src += self->crop_top * src_stride;
/* crop_top/crop_left divided by two
* because one byte of the U/V planes
* corresponds to two pixels horizontally/vertically */
src += self->crop_top / 2 * src_stride;
src += self->crop_left / 2; src += self->crop_left / 2;
row_length = (self->width + 1) / 2; row_length = (self->width + 1) / 2;
} }
if (i == 2) if (i == 2) {
/* skip the U plane */
src += ((slice_height + 1) / 2) * ((stride + 1) / 2); src += ((slice_height + 1) / 2) * ((stride + 1) / 2);
}
dest = GST_VIDEO_FRAME_COMP_DATA (&vframe, i); dest = GST_VIDEO_FRAME_COMP_DATA (&vframe, i);
height = GST_VIDEO_FRAME_COMP_HEIGHT (&vframe, i); height = GST_VIDEO_FRAME_COMP_HEIGHT (&vframe, i);