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lavfi: remove some draw_slice related code that has become unneeded 

Reviewed-by: Nicolas George <nicolas.george@normalesup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-12-27 01:13:42 +01:00
parent 8997a0fa79
commit c0c0b19644
3 changed files with 5 additions and 34 deletions
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2
libavfilter/avfilter.c
View File

@ -421,7 +421,7 @@ int avfilter_register(AVFilter *filter)
for(i=0; filter->inputs && filter->inputs[i].name; i++) {
const AVFilterPad *input = &filter->inputs[i];
av_assert0( !input->filter_frame
|| (!input->start_frame && !input->end_frame && !input->draw_slice));
|| (!input->start_frame && !input->end_frame));
}
registered_avfilters[next_registered_avfilter_idx++] = filter;

10
libavfilter/internal.h
View File

@ -127,16 +127,6 @@ struct AVFilterPad {
*/
int (*end_frame)(AVFilterLink *link);
/**
* Slice drawing callback. This is where a filter receives video data
* and should do its processing.
*
* Input video pads only.
*
* @return >= 0 on success, a negative AVERROR on error.
*/
int (*draw_slice)(AVFilterLink *link, int y, int height, int slice_dir);
/**
* Filtering callback. This is where a filter receives a frame with
* audio/video data and should do its processing.

27
libavfilter/video.c
View File

@ -166,7 +166,7 @@ static int default_start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)
if (inlink->dst->nb_outputs)
outlink = inlink->dst->outputs[0];
if (outlink && (inlink->dstpad->start_frame || inlink->dstpad->end_frame || inlink->dstpad->draw_slice)) {
if (outlink && (inlink->dstpad->start_frame || inlink->dstpad->end_frame)) {
AVFilterBufferRef *buf_out;
outlink->out_buf = ff_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h);
if (!outlink->out_buf)
@ -283,7 +283,7 @@ static int default_end_frame(AVFilterLink *inlink)
int ret = inlink->dstpad->filter_frame(inlink, inlink->cur_buf);
inlink->cur_buf = NULL;
return ret;
} else if (inlink->dstpad->start_frame || inlink->dstpad->end_frame || inlink->dstpad->draw_slice){
} else if (inlink->dstpad->start_frame || inlink->dstpad->end_frame){
return ff_end_frame(outlink);
} else {
int ret = ff_filter_frame(outlink, inlink->cur_buf);
@ -309,23 +309,10 @@ int ff_end_frame(AVFilterLink *link)
return ret;
}
static int default_draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)
{
AVFilterLink *outlink = NULL;
if (inlink->dst->nb_outputs)
outlink = inlink->dst->outputs[0];
if (outlink && (inlink->dstpad->start_frame || inlink->dstpad->end_frame || inlink->dstpad->draw_slice))
return ff_draw_slice(outlink, y, h, slice_dir);
return 0;
}
int ff_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
{
uint8_t *src[4], *dst[4];
int i, j, vsub, ret;
int (*draw_slice)(AVFilterLink *, int, int, int);
int i, j, vsub;
FF_TPRINTF_START(NULL, draw_slice); ff_tlog_link(NULL, link, 0); ff_tlog(NULL, " y:%d h:%d dir:%d\n", y, h, slice_dir);
@ -358,14 +345,8 @@ int ff_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
}
}
if (!(draw_slice = link->dstpad->draw_slice))
draw_slice = default_draw_slice;
ret = draw_slice(link, y, h, slice_dir);
if (ret < 0)
clear_link(link);
else
/* incoming buffers must not be freed in start frame,
because they can still be in use by the automatic copy mechanism */
av_assert1(link->cur_buf_copy->buf->refcount > 0);
return ret;
return 0;
}