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authorHans Verkuil <hans.verkuil@cisco.com>2015-03-09 11:26:43 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-04-02 20:47:17 -0300
commit5e72939322862770f5dea9634c3cd2700dff9ca2 (patch)
tree864d4647ca439f0141ff826e6ec30cf1a47e2785 /drivers/media
parente76036d8507ca8568661e5c4f5010219d7097497 (diff)
downloadtalos-obmc-linux-5e72939322862770f5dea9634c3cd2700dff9ca2.tar.gz
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[media] vivid-tpg: move common parameters to tpg_draw_params
Replace local variables by fields in the tpg_draw_params struct. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/platform/vivid/vivid-tpg.c34
1 files changed, 22 insertions, 12 deletions
diff --git a/drivers/media/platform/vivid/vivid-tpg.c b/drivers/media/platform/vivid/vivid-tpg.c
index c04c45868793..cd40d4d7fdd6 100644
--- a/drivers/media/platform/vivid/vivid-tpg.c
+++ b/drivers/media/platform/vivid/vivid-tpg.c
@@ -1545,23 +1545,21 @@ struct tpg_draw_params {
void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8 *vbuf)
{
- bool is_tv = std;
- bool is_60hz = is_tv && (std & V4L2_STD_525_60);
+ struct tpg_draw_params params;
unsigned mv_hor_old = tpg->mv_hor_count % tpg->src_width;
unsigned mv_hor_new = (tpg->mv_hor_count + tpg->mv_hor_step) % tpg->src_width;
unsigned mv_vert_old = tpg->mv_vert_count % tpg->src_height;
unsigned mv_vert_new = (tpg->mv_vert_count + tpg->mv_vert_step) % tpg->src_height;
unsigned wss_width;
unsigned f;
- int hmax = (tpg->compose.height * tpg->perc_fill) / 100;
int h;
- unsigned twopixsize = tpg->twopixelsize[p];
+ unsigned twopixsize;
unsigned vdiv = tpg->vdownsampling[p];
- unsigned img_width = tpg_hdiv(tpg, p, tpg->compose.width);
+ unsigned img_width;
unsigned line_offset;
unsigned left_pillar_width = 0;
- unsigned right_pillar_start = img_width;
- unsigned stride = tpg->bytesperline[p];
+ unsigned right_pillar_start;
+ unsigned stride;
unsigned factor = V4L2_FIELD_HAS_T_OR_B(tpg->field) ? 2 : 1;
u8 *orig_vbuf = vbuf;
@@ -1573,6 +1571,17 @@ void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8
tpg_recalc(tpg);
+ params.is_tv = std;
+ params.is_60hz = std & V4L2_STD_525_60;
+ params.twopixsize = tpg->twopixelsize[p];
+ params.img_width = tpg_hdiv(tpg, p, tpg->compose.width);
+ params.stride = tpg->bytesperline[p];
+ params.hmax = (tpg->compose.height * tpg->perc_fill) / 100;
+
+ twopixsize = params.twopixsize;
+ img_width = params.img_width;
+ stride = params.stride;
+
mv_hor_old = tpg_hscale_div(tpg, p, mv_hor_old);
mv_hor_new = tpg_hscale_div(tpg, p, mv_hor_new);
wss_width = tpg->crop.left < tpg->src_width / 2 ?
@@ -1589,6 +1598,7 @@ void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8
left_pillar_width = tpg->crop.width;
left_pillar_width = tpg_hscale_div(tpg, p, left_pillar_width);
}
+ right_pillar_start = img_width;
if (tpg->crop.left + tpg->crop.width > tpg->border.left + tpg->border.width) {
right_pillar_start = tpg->border.left + tpg->border.width - tpg->crop.left;
right_pillar_start = tpg_hscale_div(tpg, p, right_pillar_start);
@@ -1596,7 +1606,7 @@ void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8
right_pillar_start = img_width;
}
- f = tpg->field == (is_60hz ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM);
+ f = tpg->field == (params.is_60hz ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM);
for (h = 0; h < tpg->compose.height; h++) {
bool even;
@@ -1640,8 +1650,8 @@ void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8
buf_line /= vdiv;
}
- if (h >= hmax) {
- if (hmax == tpg->compose.height)
+ if (h >= params.hmax) {
+ if (params.hmax == tpg->compose.height)
continue;
if (!tpg->perc_fill_blank)
continue;
@@ -1724,7 +1734,7 @@ void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8
}
if (tpg->field_alternate) {
linestart_top = linestart_bottom = linestart_older;
- } else if (is_60hz) {
+ } else if (params.is_60hz) {
linestart_top = linestart_newer;
linestart_bottom = linestart_older;
} else {
@@ -1785,7 +1795,7 @@ void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8
buf_line /= vdiv;
}
- if (is_tv && !is_60hz && frame_line == 0 && wss_width) {
+ if (params.is_tv && !params.is_60hz && frame_line == 0 && wss_width) {
/*
* Replace the first half of the top line of a 50 Hz frame
* with random data to simulate a WSS signal.
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