lavfi/alphamerge: switch to ff_filter_frame() API

This commit is contained in:
Stefano Sabatini 2012-12-02 01:11:52 +01:00
parent 83ab46a57e
commit 217163eb98
1 changed files with 5 additions and 16 deletions

View File

@ -95,9 +95,6 @@ static int config_output(AVFilterLink *outlink)
return 0;
}
static int start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref) {return 0;}
static int draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir) {return 0;}
static void draw_frame(AVFilterContext *ctx,
AVFilterBufferRef *main_buf,
AVFilterBufferRef *alpha_buf)
@ -127,10 +124,9 @@ static void draw_frame(AVFilterContext *ctx,
FFMIN(main_linesize, alpha_linesize));
}
}
ff_draw_slice(ctx->outputs[0], 0, h, 1);
}
static int end_frame(AVFilterLink *inlink)
static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *buf)
{
AVFilterContext *ctx = inlink->dst;
AlphaMergeContext *merge = ctx->priv;
@ -138,8 +134,7 @@ static int end_frame(AVFilterLink *inlink)
int is_alpha = (inlink == ctx->inputs[1]);
struct FFBufQueue *queue =
(is_alpha ? &merge->queue_alpha : &merge->queue_main);
ff_bufqueue_add(ctx, queue, inlink->cur_buf);
inlink->cur_buf = NULL;
ff_bufqueue_add(ctx, queue, buf);
while (1) {
AVFilterBufferRef *main_buf, *alpha_buf;
@ -150,11 +145,9 @@ static int end_frame(AVFilterLink *inlink)
main_buf = ff_bufqueue_get(&merge->queue_main);
alpha_buf = ff_bufqueue_get(&merge->queue_alpha);
ctx->outputs[0]->out_buf = main_buf;
ff_start_frame(ctx->outputs[0], avfilter_ref_buffer(main_buf, ~0));
merge->frame_requested = 0;
draw_frame(ctx, main_buf, alpha_buf);
ff_end_frame(ctx->outputs[0]);
ff_filter_frame(ctx->outputs[0], avfilter_ref_buffer(main_buf, ~0));
avfilter_unref_buffer(alpha_buf);
}
return 0;
@ -182,16 +175,12 @@ static const AVFilterPad alphamerge_inputs[] = {
.type = AVMEDIA_TYPE_VIDEO,
.config_props = config_input_main,
.get_video_buffer = ff_null_get_video_buffer,
.start_frame = start_frame,
.draw_slice = draw_slice,
.end_frame = end_frame,
.filter_frame = filter_frame,
.min_perms = AV_PERM_READ | AV_PERM_WRITE | AV_PERM_PRESERVE,
},{
.name = "alpha",
.type = AVMEDIA_TYPE_VIDEO,
.start_frame = start_frame,
.draw_slice = draw_slice,
.end_frame = end_frame,
.filter_frame = filter_frame,
.min_perms = AV_PERM_READ | AV_PERM_PRESERVE,
},
{ NULL }