From 565e4993c63f797e2d50ad2f1e8f62fdbe299666 Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Tue, 27 Nov 2012 07:49:45 +0100 Subject: lavfi: merge start_frame/draw_slice/end_frame Any alleged performance benefits gained from the split are purely mythological and do not justify added code complexity. --- libavfilter/vf_boxblur.c | 34 +++++++++++++++++++++------------- 1 file changed, 21 insertions(+), 13 deletions(-) (limited to 'libavfilter/vf_boxblur.c') diff --git a/libavfilter/vf_boxblur.c b/libavfilter/vf_boxblur.c index 755d98ea2a..d72c602d06 100644 --- a/libavfilter/vf_boxblur.c +++ b/libavfilter/vf_boxblur.c @@ -307,31 +307,39 @@ static void vblur(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_li h, radius, power, temp); } -static int draw_slice(AVFilterLink *inlink, int y0, int h0, int slice_dir) +static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *in) { AVFilterContext *ctx = inlink->dst; BoxBlurContext *boxblur = ctx->priv; AVFilterLink *outlink = inlink->dst->outputs[0]; - AVFilterBufferRef *inpicref = inlink ->cur_buf; - AVFilterBufferRef *outpicref = outlink->out_buf; + AVFilterBufferRef *out; int plane; - int cw = inlink->w >> boxblur->hsub, ch = h0 >> boxblur->vsub; + int cw = inlink->w >> boxblur->hsub, ch = in->video->h >> boxblur->vsub; int w[4] = { inlink->w, cw, cw, inlink->w }; - int h[4] = { h0, ch, ch, h0 }; + int h[4] = { in->video->h, ch, ch, in->video->h }; - for (plane = 0; inpicref->data[plane] && plane < 4; plane++) - hblur(outpicref->data[plane], outpicref->linesize[plane], - inpicref ->data[plane], inpicref ->linesize[plane], + 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); + + for (plane = 0; in->data[plane] && plane < 4; plane++) + hblur(out->data[plane], out->linesize[plane], + in ->data[plane], in ->linesize[plane], w[plane], h[plane], boxblur->radius[plane], boxblur->power[plane], boxblur->temp); - for (plane = 0; inpicref->data[plane] && plane < 4; plane++) - vblur(outpicref->data[plane], outpicref->linesize[plane], - outpicref->data[plane], outpicref->linesize[plane], + for (plane = 0; in->data[plane] && plane < 4; plane++) + vblur(out->data[plane], out->linesize[plane], + out->data[plane], out->linesize[plane], w[plane], h[plane], boxblur->radius[plane], boxblur->power[plane], boxblur->temp); - return ff_draw_slice(outlink, y0, h0, slice_dir); + avfilter_unref_bufferp(&in); + + return ff_filter_frame(outlink, out); } static const AVFilterPad avfilter_vf_boxblur_inputs[] = { @@ -339,7 +347,7 @@ static const AVFilterPad avfilter_vf_boxblur_inputs[] = { .name = "default", .type = AVMEDIA_TYPE_VIDEO, .config_props = config_input, - .draw_slice = draw_slice, + .filter_frame = filter_frame, .min_perms = AV_PERM_READ }, { NULL } -- cgit v1.2.3