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openjpegdec: Add missing shifts

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This commit is contained in:
Sebastian Dröge 2012-12-17 17:02:47 +01:00
parent bff020e9e4
commit 43ff27ba34
1 changed files with 18 additions and 9 deletions
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27
ext/openjpeg/gstopenjpegdec.c
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@ -605,7 +605,7 @@ fill_frame_planar16_3_generic (GstVideoFrame * frame, opj_image_t * image)
guint16 *data_out, *tmp;
const gint *data_in[3];
gint dstride;
gint dx[3], dy[3];
gint dx[3], dy[3], shift[3];
w = GST_VIDEO_FRAME_WIDTH (frame);
h = GST_VIDEO_FRAME_HEIGHT (frame);
@ -624,14 +624,18 @@ fill_frame_planar16_3_generic (GstVideoFrame * frame, opj_image_t * image)
dy[1] = image->comps[1].dy;
dy[2] = image->comps[2].dy;
shift[0] = 16 - image->comps[0].prec;
shift[1] = 16 - image->comps[1].prec;
shift[2] = 16 - image->comps[2].prec;
for (y = 0; y < h; y++) {
tmp = data_out;
for (x = 0; x < w; x++) {
tmp[0] = 0xff;
tmp[1] = data_in[0][((y / dy[0]) * w + x) / dx[0]];
tmp[2] = data_in[1][((y / dy[1]) * w + x) / dx[1]];
tmp[3] = data_in[2][((y / dy[2]) * w + x) / dx[2]];
tmp[1] = data_in[0][((y / dy[0]) * w + x) / dx[0]] << shift[0];
tmp[2] = data_in[1][((y / dy[1]) * w + x) / dx[1]] << shift[1];
tmp[3] = data_in[2][((y / dy[2]) * w + x) / dx[2]] << shift[2];
tmp += 4;
}
data_out += dstride;
@ -645,7 +649,7 @@ fill_frame_planar16_4_generic (GstVideoFrame * frame, opj_image_t * image)
guint16 *data_out, *tmp;
const gint *data_in[4];
gint dstride;
gint dx[4], dy[4];
gint dx[4], dy[4], shift[4];
w = GST_VIDEO_FRAME_WIDTH (frame);
h = GST_VIDEO_FRAME_HEIGHT (frame);
@ -667,14 +671,19 @@ fill_frame_planar16_4_generic (GstVideoFrame * frame, opj_image_t * image)
dy[2] = image->comps[2].dy;
dy[3] = image->comps[3].dy;
shift[0] = 16 - image->comps[0].prec;
shift[1] = 16 - image->comps[1].prec;
shift[2] = 16 - image->comps[2].prec;
shift[3] = 16 - image->comps[3].prec;
for (y = 0; y < h; y++) {
tmp = data_out;
for (x = 0; x < w; x++) {
tmp[0] = data_in[3][((y / dy[3]) * w + x) / dx[3]];
tmp[1] = data_in[0][((y / dy[0]) * w + x) / dx[0]];
tmp[2] = data_in[1][((y / dy[1]) * w + x) / dx[1]];
tmp[3] = data_in[2][((y / dy[2]) * w + x) / dx[2]];
tmp[0] = data_in[3][((y / dy[3]) * w + x) / dx[3]] << shift[3];
tmp[1] = data_in[0][((y / dy[0]) * w + x) / dx[0]] << shift[0];
tmp[2] = data_in[1][((y / dy[1]) * w + x) / dx[1]] << shift[1];
tmp[3] = data_in[2][((y / dy[2]) * w + x) / dx[2]] << shift[2];
tmp += 4;
}
data_out += dstride;