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authorClément Bœsch <ubitux@gmail.com>2012-11-28 19:56:18 +0100
committerClément Bœsch <ubitux@gmail.com>2012-11-28 20:03:01 +0100
commit57d9c86bf34e81fb6f94b576dcae06766dce7047 (patch)
tree19015fae388671188ddebc2b690123f9d379e94d
parent92b57e8dac76ee633a59c4e8d256f1247f13c095 (diff)
downloadffmpeg-57d9c86bf34e81fb6f94b576dcae06766dce7047.tar.gz
lavfi/edgedetect: switch to filter_frame.
-rw-r--r--libavfilter/vf_edgedetect.c29
1 files changed, 16 insertions, 13 deletions
diff --git a/libavfilter/vf_edgedetect.c b/libavfilter/vf_edgedetect.c
index d3d8ca1380..6f89e52aea 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)
@@ -293,8 +299,6 @@ 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; }
-
AVFilter avfilter_vf_edgedetect = {
.name = "edgedetect",
.description = NULL_IF_CONFIG_SMALL("Detect and draw edge."),
@@ -307,9 +311,8 @@ AVFilter avfilter_vf_edgedetect = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
- .draw_slice = null_draw_slice,
.config_props = config_props,
- .end_frame = end_frame,
+ .filter_frame = filter_frame,
.min_perms = AV_PERM_READ
},
{ .name = NULL }