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yadif: support more than yuv420p. 

and correctly support grey8

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
James Darnley 2011-04-05 02:45:10 +02:00 committed by Anton Khirnov
parent d85e18e6e3
commit 88312a4de3
1 changed files with 25 additions and 4 deletions
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29
libavfilter/vf_yadif.c
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@ -20,6 +20,7 @@
#include "libavutil/cpu.h"
#include "libavutil/common.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "yadif.h"
@ -51,6 +52,8 @@ typedef struct {
void (*filter_line)(uint8_t *dst,
uint8_t *prev, uint8_t *cur, uint8_t *next,
int w, int prefs, int mrefs, int parity, int mode);
const AVPixFmtDescriptor *csp;
} YADIFContext;
static void filter_line_c(uint8_t *dst,
@ -121,12 +124,17 @@ static void filter(AVFilterContext *ctx, AVFilterBufferRef *dstpic,
YADIFContext *yadif = ctx->priv;
int y, i;
for (i = 0; i < 3; i++) {
int is_chroma = !!i;
int w = dstpic->video->w >> is_chroma;
int h = dstpic->video->h >> is_chroma;
for (i = 0; i < yadif->csp->nb_components; i++) {
int w = dstpic->video->w;
int h = dstpic->video->h;
int refs = yadif->cur->linesize[i];
if (i) {
/* Why is this not part of the per-plane description thing? */
w >>= yadif->csp->log2_chroma_w;
h >>= yadif->csp->log2_chroma_h;
}
for (y = 0; y < h; y++) {
if ((y ^ parity) & 1) {
uint8_t *prev = &yadif->prev->data[i][y*refs];
@ -181,6 +189,9 @@ static void return_frame(AVFilterContext *ctx, int is_second)
yadif->out = avfilter_get_video_buffer(link, AV_PERM_WRITE | AV_PERM_PRESERVE |
AV_PERM_REUSE, link->w, link->h);
if (!yadif->csp)
yadif->csp = &av_pix_fmt_descriptors[link->format];
filter(ctx, yadif->out, tff ^ !is_second, tff);
if (is_second) {
@ -292,7 +303,16 @@ static int query_formats(AVFilterContext *ctx)
{
static const enum PixelFormat pix_fmts[] = {
PIX_FMT_YUV420P,
PIX_FMT_YUV422P,
PIX_FMT_YUV444P,
PIX_FMT_YUV410P,
PIX_FMT_YUV411P,
PIX_FMT_GRAY8,
PIX_FMT_YUVJ420P,
PIX_FMT_YUVJ422P,
PIX_FMT_YUVJ444P,
PIX_FMT_YUV440P,
PIX_FMT_YUVJ440P,
PIX_FMT_NONE
};
@ -308,6 +328,7 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
yadif->mode = 0;
yadif->parity = -1;
yadif->csp = NULL;
if (args) sscanf(args, "%d:%d", &yadif->mode, &yadif->parity);