X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavfilter%2Fvf_edgedetect.c;h=5837cccdfe2d051018b15c0c28f0daebf7d2e851;hb=769546631ca089f5ae7e8061a78cd5a7a29a5d67;hp=d3d8ca1380aa376f74d0f384d3f853a276ad9117;hpb=e859339e7af52210c6fe84a8e6412f0c30d1c4da;p=ffmpeg diff --git a/libavfilter/vf_edgedetect.c b/libavfilter/vf_edgedetect.c index d3d8ca1380a..5837cccdfe2 100644 --- a/libavfilter/vf_edgedetect.c +++ b/libavfilter/vf_edgedetect.c @@ -249,20 +249,26 @@ static void double_threshold(AVFilterContext *ctx, int w, int h, } } -static int end_frame(AVFilterLink *inlink) +static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *in) { AVFilterContext *ctx = inlink->dst; EdgeDetectContext *edgedetect = ctx->priv; AVFilterLink *outlink = inlink->dst->outputs[0]; - AVFilterBufferRef *inpicref = inlink->cur_buf; - AVFilterBufferRef *outpicref = outlink->out_buf; uint8_t *tmpbuf = edgedetect->tmpbuf; uint16_t *gradients = edgedetect->gradients; + AVFilterBufferRef *out; + + 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); /* gaussian filter to reduce noise */ gaussian_blur(ctx, inlink->w, inlink->h, - tmpbuf, inlink->w, - inpicref->data[0], inpicref->linesize[0]); + tmpbuf, inlink->w, + in->data[0], in->linesize[0]); /* compute the 16-bits gradients and directions for the next step */ sobel(ctx, inlink->w, inlink->h, @@ -278,11 +284,11 @@ static int end_frame(AVFilterLink *inlink) /* keep high values, or low values surrounded by high values */ double_threshold(ctx, inlink->w, inlink->h, - outpicref->data[0], outpicref->linesize[0], - tmpbuf, inlink->w); + out->data[0], out->linesize[0], + tmpbuf, inlink->w); - ff_draw_slice(outlink, 0, outlink->h, 1); - return ff_end_frame(outlink); + avfilter_unref_bufferp(&in); + return ff_filter_frame(outlink, out); } static av_cold void uninit(AVFilterContext *ctx) @@ -293,7 +299,24 @@ static av_cold void uninit(AVFilterContext *ctx) av_freep(&edgedetect->directions); } -static int null_draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir) { return 0; } +static const AVFilterPad edgedetect_inputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + .config_props = config_props, + .filter_frame = filter_frame, + .min_perms = AV_PERM_READ, + }, + { NULL } +}; + +static const AVFilterPad edgedetect_outputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + }, + { NULL } +}; AVFilter avfilter_vf_edgedetect = { .name = "edgedetect", @@ -302,23 +325,7 @@ AVFilter avfilter_vf_edgedetect = { .init = init, .uninit = uninit, .query_formats = query_formats, - - .inputs = (const AVFilterPad[]) { - { - .name = "default", - .type = AVMEDIA_TYPE_VIDEO, - .draw_slice = null_draw_slice, - .config_props = config_props, - .end_frame = end_frame, - .min_perms = AV_PERM_READ - }, - { .name = NULL } - }, - .outputs = (const AVFilterPad[]) { - { - .name = "default", - .type = AVMEDIA_TYPE_VIDEO, - }, - { .name = NULL } - }, + .inputs = edgedetect_inputs, + .outputs = edgedetect_outputs, + .priv_class = &edgedetect_class, };