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vf_drawbox: switch to filter frame 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Anton Khirnov 2012-11-29 00:09:53 +01:00 committed by Michael Niedermayer
parent 267290ce3b
commit a42b89910b
1 changed files with 9 additions and 12 deletions
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21
libavfilter/vf_drawbox.c
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@ -130,27 +130,26 @@ static int config_input(AVFilterLink *inlink)
return 0;
}
static int draw_slice(AVFilterLink *inlink, int y0, int h, int slice_dir)
static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *frame)
{
DrawBoxContext *drawbox = inlink->dst->priv;
int plane, x, y, xb = drawbox->x, yb = drawbox->y;
unsigned char *row[4];
AVFilterBufferRef *picref = inlink->cur_buf;
for (y = FFMAX(yb, y0); y < y0 + h && y < yb + drawbox->h; y++) {
row[0] = picref->data[0] + y * picref->linesize[0];
for (y = FFMAX(yb, 0); y < frame->video->h && y < (yb + drawbox->h); y++) {
row[0] = frame->data[0] + y * frame->linesize[0];
for (plane = 1; plane < 3; plane++)
row[plane] = picref->data[plane] +
picref->linesize[plane] * (y >> drawbox->vsub);
row[plane] = frame->data[plane] +
frame->linesize[plane] * (y >> drawbox->vsub);
if (drawbox->invert_color) {
for (x = FFMAX(xb, 0); x < xb + drawbox->w && x < picref->video->w; x++)
for (x = FFMAX(xb, 0); x < xb + drawbox->w && x < frame->video->w; x++)
if ((y - yb < drawbox->thickness-1) || (yb + drawbox->h - y < drawbox->thickness) ||
(x - xb < drawbox->thickness-1) || (xb + drawbox->w - x < drawbox->thickness))
row[0][x] = 0xff - row[0][x];
} else {
for (x = FFMAX(xb, 0); x < xb + drawbox->w && x < picref->video->w; x++) {
for (x = FFMAX(xb, 0); x < xb + drawbox->w && x < frame->video->w; x++) {
double alpha = (double)drawbox->yuv_color[A] / 255;
if ((y - yb < drawbox->thickness-1) || (yb + drawbox->h - y < drawbox->thickness) ||
@ -163,7 +162,7 @@ static int draw_slice(AVFilterLink *inlink, int y0, int h, int slice_dir)
}
}
return ff_draw_slice(inlink->dst->outputs[0], y0, h, 1);
return ff_filter_frame(inlink->dst->outputs[0], frame);
}
static const AVFilterPad avfilter_vf_drawbox_inputs[] = {
@ -172,9 +171,7 @@ static const AVFilterPad avfilter_vf_drawbox_inputs[] = {
.type = AVMEDIA_TYPE_VIDEO,
.config_props = config_input,
.get_video_buffer = ff_null_get_video_buffer,
.start_frame = ff_null_start_frame,
.draw_slice = draw_slice,
.end_frame = ff_null_end_frame,
.filter_frame = filter_frame,
.min_perms = AV_PERM_WRITE | AV_PERM_READ,
},
{ NULL }