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lavfi/colormatrix: switch to filter_frame.

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This commit is contained in:
Clément Bœsch 2012-11-29 02:04:45 +01:00
parent 88f8af26a9
commit 269cd07702
1 changed files with 18 additions and 34 deletions
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52
libavfilter/vf_colormatrix.c
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@ -31,6 +31,7 @@
#include <float.h>
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
#include "libavutil/pixdesc.h"
#include "libavutil/avstring.h"
@ -60,7 +61,6 @@ typedef struct {
char src[256];
char dst[256];
int hsub, vsub;
AVFilterBufferRef *outpicref;
} ColorMatrixContext;
#define ma m[0][0]
@ -332,53 +332,37 @@ static int query_formats(AVFilterContext *ctx)
return 0;
}
static AVFilterBufferRef *get_video_buffer(AVFilterLink *inlink, int perms, int w, int h)
{
AVFilterBufferRef *picref =
ff_get_video_buffer(inlink->dst->outputs[0], perms, w, h);
return picref;
}
static int start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
static int filter_frame(AVFilterLink *link, AVFilterBufferRef *in)
{
AVFilterContext *ctx = link->dst;
ColorMatrixContext *color = ctx->priv;
AVFilterBufferRef *outpicref = avfilter_ref_buffer(picref, ~0);
AVFilterLink *outlink = ctx->outputs[0];
AVFilterBufferRef *out;
color->outpicref = outpicref;
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);
return ff_start_frame(link->dst->outputs[0], outpicref);
}
static int end_frame(AVFilterLink *link)
{
AVFilterContext *ctx = link->dst;
ColorMatrixContext *color = ctx->priv;
AVFilterBufferRef *out = color->outpicref;
if (link->cur_buf->format == AV_PIX_FMT_YUV422P)
process_frame_yuv422p(color, out, link->cur_buf);
else if (link->cur_buf->format == AV_PIX_FMT_YUV420P)
process_frame_yuv420p(color, out, link->cur_buf);
if (in->format == AV_PIX_FMT_YUV422P)
process_frame_yuv422p(color, out, in);
else if (in->format == AV_PIX_FMT_YUV420P)
process_frame_yuv420p(color, out, in);
else
process_frame_uyvy422(color, out, link->cur_buf);
process_frame_uyvy422(color, out, in);
ff_draw_slice(ctx->outputs[0], 0, link->dst->outputs[0]->h, 1);
return ff_end_frame(ctx->outputs[0]);
return ff_filter_frame(outlink, out);
}
static int null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { return 0; }
static const AVFilterPad colormatrix_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = config_input,
.min_perms = AV_PERM_READ | AV_PERM_WRITE,
.start_frame = start_frame,
.get_video_buffer = get_video_buffer,
.draw_slice = null_draw_slice,
.end_frame = end_frame,
.min_perms = AV_PERM_READ,
.filter_frame = filter_frame,
},
{ NULL }
};