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Code Issues Releases Activity

vf_libopencv: switch to filter_frame, this filter did not support slices

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Anton Khirnov 2012-11-28 20:10:51 +01:00 committed by Michael Niedermayer
parent 5d170b09d3
commit 1f94f86ab5
1 changed files with 17 additions and 18 deletions
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35
libavfilter/vf_libopencv.c
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@ -32,6 +32,7 @@
#include "libavutil/file.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
static void fill_iplimage_from_picref(IplImage *img, const AVFilterBufferRef *picref, enum AVPixelFormat pixfmt)
@ -68,11 +69,6 @@ static int query_formats(AVFilterContext *ctx)
return 0;
}
static int null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
{
return 0;
}
typedef struct {
const char *name;
int (*init)(AVFilterContext *ctx, const char *args);
@ -355,33 +351,36 @@ static av_cold void uninit(AVFilterContext *ctx)
memset(ocv, 0, sizeof(*ocv));
}
static int end_frame(AVFilterLink *inlink)
static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *in)
{
AVFilterContext *ctx = inlink->dst;
OCVContext *ocv = ctx->priv;
AVFilterLink *outlink= inlink->dst->outputs[0];
AVFilterBufferRef *inpicref = inlink ->cur_buf;
AVFilterBufferRef *outpicref = outlink->out_buf;
AVFilterBufferRef *out;
IplImage inimg, outimg;
int ret;
fill_iplimage_from_picref(&inimg , inpicref , inlink->format);
fill_iplimage_from_picref(&outimg, outpicref, inlink->format);
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);
fill_iplimage_from_picref(&inimg , in , inlink->format);
fill_iplimage_from_picref(&outimg, out, inlink->format);
ocv->end_frame_filter(ctx, &inimg, &outimg);
fill_picref_from_iplimage(outpicref, &outimg, inlink->format);
fill_picref_from_iplimage(out, &outimg, inlink->format);
if ((ret = ff_draw_slice(outlink, 0, outlink->h, 1)) < 0 ||
(ret = ff_end_frame(outlink)) < 0)
return ret;
return 0;
avfilter_unref_bufferp(&in);
return ff_filter_frame(outlink, out);
}
static const AVFilterPad avfilter_vf_ocv_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.draw_slice = null_draw_slice,
.end_frame = end_frame,
.filter_frame = filter_frame,
.min_perms = AV_PERM_READ
},
{ NULL }