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lavfi/removelogo: switch to ff_filter_frame.

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This commit is contained in:
Clément Bœsch 2012-12-02 02:21:44 +01:00
parent 3313e46c4a
commit ef1868351d
1 changed files with 22 additions and 23 deletions
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45
libavfilter/vf_removelogo.c
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@ -72,6 +72,7 @@
#include "libavutil/imgutils.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
#include "bbox.h"
#include "lavfutils.h"
@ -472,24 +473,24 @@ static void blur_image(int ***mask,
}
}
static int start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref)
{
AVFilterLink *outlink = inlink->dst->outputs[0];
AVFilterBufferRef *outpicref;
outpicref = inpicref;
outlink->out_buf = outpicref;
return ff_start_frame(outlink, avfilter_ref_buffer(outpicref, ~0));
}
static int end_frame(AVFilterLink *inlink)
static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref)
{
RemovelogoContext *removelogo = inlink->dst->priv;
AVFilterLink *outlink = inlink->dst->outputs[0];
AVFilterBufferRef *inpicref = inlink ->cur_buf;
AVFilterBufferRef *outpicref = outlink->out_buf;
int direct = inpicref == outpicref;
AVFilterBufferRef *outpicref;
int direct = 0;
if (inpicref->perms & AV_PERM_WRITE) {
direct = 1;
outpicref = inpicref;
} else {
outpicref = ff_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h);
if (!outpicref) {
avfilter_unref_bufferp(&inpicref);
return AVERROR(ENOMEM);
}
avfilter_copy_buffer_ref_props(outpicref, inpicref);
}
blur_image(removelogo->mask,
inpicref ->data[0], inpicref ->linesize[0],
@ -507,8 +508,10 @@ static int end_frame(AVFilterLink *inlink)
removelogo->half_mask_data, inlink->w/2,
inlink->w/2, inlink->h/2, direct, &removelogo->half_mask_bbox);
ff_draw_slice(outlink, 0, inlink->h, 1);
return ff_end_frame(outlink);
if (!direct)
avfilter_unref_bufferp(&inpicref);
return ff_filter_frame(outlink, outpicref);
}
static void uninit(AVFilterContext *ctx)
@ -533,18 +536,14 @@ static void uninit(AVFilterContext *ctx)
}
}
static int null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { return 0; }
static const AVFilterPad removelogo_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.get_video_buffer = ff_null_get_video_buffer,
.config_props = config_props_input,
.draw_slice = null_draw_slice,
.start_frame = start_frame,
.end_frame = end_frame,
.min_perms = AV_PERM_WRITE | AV_PERM_READ,
.filter_frame = filter_frame,
.min_perms = AV_PERM_READ,
},
{ NULL }
};