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Code Issues Releases Activity

vf_delogo: switch to filter_frame, this filter did not support slices

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Based on patch by Anton Khirnov
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-11-28 18:05:40 +01:00
parent ed547e2ce5
commit 384641468b
1 changed files with 27 additions and 20 deletions
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47
libavfilter/vf_delogo.c
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@ -209,30 +209,39 @@ static av_cold int init(AVFilterContext *ctx, const char *args)
return 0;
}
static int null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
{
return 0;
}
static int end_frame(AVFilterLink *inlink)
static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *in)
{
DelogoContext *delogo = inlink->dst->priv;
AVFilterLink *outlink = inlink->dst->outputs[0];
AVFilterBufferRef *inpicref = inlink ->cur_buf;
AVFilterBufferRef *outpicref = outlink->out_buf;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
int direct = inpicref->buf == outpicref->buf;
AVFilterBufferRef *out;
int hsub0 = desc->log2_chroma_w;
int vsub0 = desc->log2_chroma_h;
int direct = 0;
int plane;
int ret;
for (plane = 0; plane < 4 && inpicref->data[plane]; plane++) {
if (in->perms & AV_PERM_WRITE) {
direct = 1;
out = in;
} else {
out = ff_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h);
if (!out) {
avfilter_unref_bufferp(&in);
return AVERROR(ENOMEM);
}
avfilter_copy_buffer_ref_props(out, in);
out->video->w = outlink->w;
out->video->h = outlink->h;
}
for (plane = 0; plane < 4 && in->data[plane]; plane++) {
int hsub = plane == 1 || plane == 2 ? hsub0 : 0;
int vsub = plane == 1 || plane == 2 ? vsub0 : 0;
apply_delogo(outpicref->data[plane], outpicref->linesize[plane],
inpicref ->data[plane], inpicref ->linesize[plane],
apply_delogo(out->data[plane], out->linesize[plane],
in ->data[plane], in ->linesize[plane],
inlink->w>>hsub, inlink->h>>vsub,
delogo->x>>hsub, delogo->y>>vsub,
delogo->w>>hsub, delogo->h>>vsub,
@ -240,10 +249,10 @@ static int end_frame(AVFilterLink *inlink)
delogo->show, direct);
}
if ((ret = ff_draw_slice(outlink, 0, inlink->h, 1)) < 0 ||
(ret = ff_end_frame(outlink)) < 0)
return ret;
return 0;
if (!direct)
avfilter_unref_bufferp(&in);
return ff_filter_frame(outlink, out);
}
static const AVFilterPad avfilter_vf_delogo_inputs[] = {
@ -251,9 +260,7 @@ static const AVFilterPad avfilter_vf_delogo_inputs[] = {
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.get_video_buffer = ff_null_get_video_buffer,
.start_frame = ff_inplace_start_frame,
.draw_slice = null_draw_slice,
.end_frame = end_frame,
.filter_frame = filter_frame,
.min_perms = AV_PERM_WRITE | AV_PERM_READ,
},
{ NULL }