*/
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.
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)
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);
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);
}
}
- 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;
}