(tpg->mv_vert_count + tpg->mv_vert_step) % tpg->src_height;
}
+static void tpg_fill_params_extras(const struct tpg_data *tpg,
+ unsigned p,
+ struct tpg_draw_params *params)
+{
+ unsigned left_pillar_width = 0;
+ unsigned right_pillar_start = params->img_width;
+
+ params->wss_width = tpg->crop.left < tpg->src_width / 2 ?
+ tpg->src_width / 2 - tpg->crop.left : 0;
+ if (params->wss_width > tpg->crop.width)
+ params->wss_width = tpg->crop.width;
+ params->wss_width = tpg_hscale_div(tpg, p, params->wss_width);
+ params->wss_random_offset =
+ params->twopixsize * prandom_u32_max(tpg->src_width / 2);
+
+ if (tpg->crop.left < tpg->border.left) {
+ left_pillar_width = tpg->border.left - tpg->crop.left;
+ if (left_pillar_width > tpg->crop.width)
+ left_pillar_width = tpg->crop.width;
+ left_pillar_width = tpg_hscale_div(tpg, p, left_pillar_width);
+ }
+ params->left_pillar_width = left_pillar_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);
+ if (right_pillar_start > params->img_width)
+ right_pillar_start = params->img_width;
+ }
+ params->right_pillar_start = right_pillar_start;
+
+ params->sav_eav_f = tpg->field ==
+ (params->is_60hz ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM);
+}
+
void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8 *vbuf)
{
struct tpg_draw_params params;
unsigned mv_hor_new;
unsigned mv_vert_old;
unsigned mv_vert_new;
- unsigned wss_width;
- unsigned f;
int h;
unsigned twopixsize;
unsigned vdiv = tpg->vdownsampling[p];
unsigned img_width;
unsigned line_offset;
- unsigned left_pillar_width = 0;
- unsigned right_pillar_start;
unsigned stride;
unsigned factor = V4L2_FIELD_HAS_T_OR_B(tpg->field) ? 2 : 1;
u8 *orig_vbuf = vbuf;
mv_vert_old = params.mv_vert_old;
mv_vert_new = params.mv_vert_new;
+ tpg_fill_params_extras(tpg, p, ¶ms);
+
twopixsize = params.twopixsize;
img_width = params.img_width;
stride = params.stride;
- wss_width = tpg->crop.left < tpg->src_width / 2 ?
- tpg->src_width / 2 - tpg->crop.left : 0;
- if (wss_width > tpg->crop.width)
- wss_width = tpg->crop.width;
- wss_width = tpg_hscale_div(tpg, p, wss_width);
-
vbuf += tpg_hdiv(tpg, p, tpg->compose.left);
line_offset = tpg_hscale_div(tpg, p, tpg->crop.left);
- if (tpg->crop.left < tpg->border.left) {
- left_pillar_width = tpg->border.left - tpg->crop.left;
- if (left_pillar_width > tpg->crop.width)
- 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);
- if (right_pillar_start > img_width)
- right_pillar_start = img_width;
- }
-
- f = tpg->field == (params.is_60hz ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM);
for (h = 0; h < tpg->compose.height; h++) {
bool even;
buf_line /= vdiv;
}
- if (params.is_tv && !params.is_60hz && frame_line == 0 && wss_width) {
+ if (params.is_tv && !params.is_60hz && frame_line == 0 && params.wss_width) {
/*
* Replace the first half of the top line of a 50 Hz frame
* with random data to simulate a WSS signal.
*/
- u8 *wss = tpg->random_line[p] +
- twopixsize * prandom_u32_max(tpg->src_width / 2);
+ u8 *wss = tpg->random_line[p] + params.wss_random_offset;
- memcpy(vbuf + buf_line * stride, wss, wss_width);
+ memcpy(vbuf + buf_line * stride, wss, params.wss_width);
}
if (tpg->show_border && frame_line >= b->top &&
frame_line < b->top + b->height) {
unsigned bottom = b->top + b->height - 1;
- unsigned left = left_pillar_width;
- unsigned right = right_pillar_start;
+ unsigned left = params.left_pillar_width;
+ unsigned right = params.right_pillar_start;
if (frame_line == b->top || frame_line == b->top + 1 ||
frame_line == bottom || frame_line == bottom - 1) {
}
if (tpg->qual != TPG_QUAL_NOISE && frame_line >= b->top &&
frame_line < b->top + b->height) {
- memcpy(vbuf + buf_line * stride, tpg->black_line[p], left_pillar_width);
- memcpy(vbuf + buf_line * stride + right_pillar_start, tpg->black_line[p],
- img_width - right_pillar_start);
+ memcpy(vbuf + buf_line * stride, tpg->black_line[p], params.left_pillar_width);
+ memcpy(vbuf + buf_line * stride + params.right_pillar_start, tpg->black_line[p],
+ img_width - params.right_pillar_start);
}
if (tpg->show_square && frame_line >= sq->top &&
frame_line < sq->top + sq->height &&
p[0] = 0xff;
p[1] = 0;
p[2] = 0;
- p[3] = 0x80 | (f << 6) | (vact << 5) | (hact << 4) |
+ p[3] = 0x80 | (params.sav_eav_f << 6) |
+ (vact << 5) | (hact << 4) |
((hact ^ vact) << 3) |
- ((hact ^ f) << 2) |
- ((f ^ vact) << 1) |
- (hact ^ vact ^ f);
+ ((hact ^ params.sav_eav_f) << 2) |
+ ((params.sav_eav_f ^ vact) << 1) |
+ (hact ^ vact ^ params.sav_eav_f);
}
if (tpg->insert_eav) {
unsigned offset = tpg_hdiv(tpg, p, tpg->compose.width * 2 / 3);
p[0] = 0xff;
p[1] = 0;
p[2] = 0;
- p[3] = 0x80 | (f << 6) | (vact << 5) | (hact << 4) |
+ p[3] = 0x80 | (params.sav_eav_f << 6) |
+ (vact << 5) | (hact << 4) |
((hact ^ vact) << 3) |
- ((hact ^ f) << 2) |
- ((f ^ vact) << 1) |
- (hact ^ vact ^ f);
+ ((hact ^ params.sav_eav_f) << 2) |
+ ((params.sav_eav_f ^ vact) << 1) |
+ (hact ^ vact ^ params.sav_eav_f);
}
}
}