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libavfilter/fifo: switch to filter_frame, the filter did not support slices. 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Anton Khirnov 2012-11-28 17:19:06 +01:00 committed by Michael Niedermayer
parent 6549a9b753
commit 05945c7f88
1 changed files with 2 additions and 31 deletions
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33
libavfilter/fifo.c
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@ -77,7 +77,6 @@ static int add_to_queue(AVFilterLink *inlink, AVFilterBufferRef *buf)
{
FifoContext *fifo = inlink->dst->priv;
inlink->cur_buf = NULL;
fifo->last->next = av_mallocz(sizeof(Buf));
if (!fifo->last->next) {
avfilter_unref_buffer(buf);
@ -99,16 +98,6 @@ static void queue_pop(FifoContext *s)
s->root.next = tmp;
}
static int end_frame(AVFilterLink *inlink)
{
return 0;
}
static int draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)
{
return 0;
}
/**
* Move data pointers and pts offset samples forward.
*/
@ -242,28 +231,12 @@ static int request_frame(AVFilterLink *outlink)
av_assert0(fifo->root.next);
}
/* by doing this, we give ownership of the reference to the next filter,
* so we don't have to worry about dereferencing it ourselves. */
switch (outlink->type) {
case AVMEDIA_TYPE_VIDEO:
if ((ret = ff_start_frame(outlink, fifo->root.next->buf)) < 0 ||
(ret = ff_draw_slice(outlink, 0, outlink->h, 1)) < 0 ||
(ret = ff_end_frame(outlink)) < 0)
return ret;
queue_pop(fifo);
break;
case AVMEDIA_TYPE_AUDIO:
if (outlink->request_samples) {
return return_audio_frame(outlink->src);
} else {
ret = ff_filter_frame(outlink, fifo->root.next->buf);
ret = ff_filter_frame(outlink, fifo->root.next->buf);
queue_pop(fifo);
}
break;
default:
return AVERROR(EINVAL);
}
return ret;
}
@ -273,9 +246,7 @@ static const AVFilterPad avfilter_vf_fifo_inputs[] = {
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.get_video_buffer = ff_null_get_video_buffer,
.start_frame = add_to_queue,
.draw_slice = draw_slice,
.end_frame = end_frame,
.filter_frame = add_to_queue,
.min_perms = AV_PERM_PRESERVE,
},
{ NULL }