/*
* Copyright (C) 2006-2010 Michael Niedermayer <michaelni@gmx.at>
+ * 2010 James Darnley <james.darnley@gmail.com>
*
* This file is part of Libav.
*
#include "libavutil/cpu.h"
#include "libavutil/common.h"
+#include "libavutil/pixdesc.h"
#include "avfilter.h"
+#include "formats.h"
+#include "internal.h"
+#include "video.h"
#include "yadif.h"
#undef NDEBUG
#include <assert.h>
-typedef struct {
- /**
- * 0: send 1 frame for each frame
- * 1: send 1 frame for each field
- * 2: like 0 but skips spatial interlacing check
- * 3: like 1 but skips spatial interlacing check
- */
- int mode;
-
- /**
- * 0: bottom field first
- * 1: top field first
- * -1: auto-detection
- */
- int parity;
-
- int frame_pending;
-
- AVFilterBufferRef *cur;
- AVFilterBufferRef *next;
- AVFilterBufferRef *prev;
- AVFilterBufferRef *out;
- 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);
-} YADIFContext;
-
-static void filter_line_c(uint8_t *dst,
- uint8_t *prev, uint8_t *cur, uint8_t *next,
- int w, int prefs, int mrefs, int parity, int mode)
-{
- int x;
- uint8_t *prev2 = parity ? prev : cur ;
- uint8_t *next2 = parity ? cur : next;
- for (x = 0; x < w; x++) {
- int c = cur[mrefs];
- int d = (prev2[0] + next2[0])>>1;
- int e = cur[prefs];
- int temporal_diff0 = FFABS(prev2[0] - next2[0]);
- int temporal_diff1 =(FFABS(prev[mrefs] - c) + FFABS(prev[prefs] - e) )>>1;
- int temporal_diff2 =(FFABS(next[mrefs] - c) + FFABS(next[prefs] - e) )>>1;
- int diff = FFMAX3(temporal_diff0>>1, temporal_diff1, temporal_diff2);
- int spatial_pred = (c+e)>>1;
- int spatial_score = FFABS(cur[mrefs-1] - cur[prefs-1]) + FFABS(c-e)
- + FFABS(cur[mrefs+1] - cur[prefs+1]) - 1;
+#define PERM_RWP AV_PERM_WRITE | AV_PERM_PRESERVE | AV_PERM_REUSE
#define CHECK(j)\
{ int score = FFABS(cur[mrefs-1+(j)] - cur[prefs-1-(j)])\
spatial_score= score;\
spatial_pred= (cur[mrefs +(j)] + cur[prefs -(j)])>>1;\
- CHECK(-1) CHECK(-2) }} }}
- CHECK( 1) CHECK( 2) }} }}
-
- if (mode < 2) {
- int b = (prev2[2*mrefs] + next2[2*mrefs])>>1;
- int f = (prev2[2*prefs] + next2[2*prefs])>>1;
-#if 0
- int a = cur[-3*refs];
- int g = cur[+3*refs];
- int max = FFMAX3(d-e, d-c, FFMIN3(FFMAX(b-c,f-e),FFMAX(b-c,b-a),FFMAX(f-g,f-e)) );
- int min = FFMIN3(d-e, d-c, FFMAX3(FFMIN(b-c,f-e),FFMIN(b-c,b-a),FFMIN(f-g,f-e)) );
-#else
- int max = FFMAX3(d-e, d-c, FFMIN(b-c, f-e));
- int min = FFMIN3(d-e, d-c, FFMAX(b-c, f-e));
-#endif
-
- diff = FFMAX3(diff, min, -max);
- }
+#define FILTER \
+ for (x = 0; x < w; x++) { \
+ int c = cur[mrefs]; \
+ int d = (prev2[0] + next2[0])>>1; \
+ int e = cur[prefs]; \
+ int temporal_diff0 = FFABS(prev2[0] - next2[0]); \
+ int temporal_diff1 =(FFABS(prev[mrefs] - c) + FFABS(prev[prefs] - e) )>>1; \
+ int temporal_diff2 =(FFABS(next[mrefs] - c) + FFABS(next[prefs] - e) )>>1; \
+ int diff = FFMAX3(temporal_diff0 >> 1, temporal_diff1, temporal_diff2); \
+ int spatial_pred = (c+e) >> 1; \
+ int spatial_score = FFABS(cur[mrefs - 1] - cur[prefs - 1]) + FFABS(c-e) \
+ + FFABS(cur[mrefs + 1] - cur[prefs + 1]) - 1; \
+ \
+ CHECK(-1) CHECK(-2) }} }} \
+ CHECK( 1) CHECK( 2) }} }} \
+ \
+ if (mode < 2) { \
+ int b = (prev2[2 * mrefs] + next2[2 * mrefs])>>1; \
+ int f = (prev2[2 * prefs] + next2[2 * prefs])>>1; \
+ int max = FFMAX3(d - e, d - c, FFMIN(b - c, f - e)); \
+ int min = FFMIN3(d - e, d - c, FFMAX(b - c, f - e)); \
+ \
+ diff = FFMAX3(diff, min, -max); \
+ } \
+ \
+ if (spatial_pred > d + diff) \
+ spatial_pred = d + diff; \
+ else if (spatial_pred < d - diff) \
+ spatial_pred = d - diff; \
+ \
+ dst[0] = spatial_pred; \
+ \
+ dst++; \
+ cur++; \
+ prev++; \
+ next++; \
+ prev2++; \
+ next2++; \
+ }
+
+static void filter_line_c(uint8_t *dst,
+ uint8_t *prev, uint8_t *cur, uint8_t *next,
+ int w, int prefs, int mrefs, int parity, int mode)
+{
+ int x;
+ uint8_t *prev2 = parity ? prev : cur ;
+ uint8_t *next2 = parity ? cur : next;
- if (spatial_pred > d + diff)
- spatial_pred = d + diff;
- else if (spatial_pred < d - diff)
- spatial_pred = d - diff;
+ FILTER
+}
- dst[0] = spatial_pred;
+static void filter_line_c_16bit(uint16_t *dst,
+ uint16_t *prev, uint16_t *cur, uint16_t *next,
+ int w, int prefs, int mrefs, int parity,
+ int mode)
+{
+ int x;
+ uint16_t *prev2 = parity ? prev : cur ;
+ uint16_t *next2 = parity ? cur : next;
+ mrefs /= 2;
+ prefs /= 2;
- dst++;
- cur++;
- prev++;
- next++;
- prev2++;
- next2++;
- }
+ FILTER
}
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];
+ int df = (yadif->csp->comp[i].depth_minus1 + 8) / 8;
+
+ if (i == 1 || i == 2) {
+ /* 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];
- uint8_t *cur = &yadif->cur ->data[i][y*refs];
- uint8_t *next = &yadif->next->data[i][y*refs];
- uint8_t *dst = &dstpic->data[i][y*dstpic->linesize[i]];
- int mode = y==1 || y+2==h ? 2 : yadif->mode;
- yadif->filter_line(dst, prev, cur, next, w, y+1<h ? refs : -refs, y ? -refs : refs, parity ^ tff, mode);
+ uint8_t *prev = &yadif->prev->data[i][y * refs];
+ uint8_t *cur = &yadif->cur ->data[i][y * refs];
+ uint8_t *next = &yadif->next->data[i][y * refs];
+ uint8_t *dst = &dstpic->data[i][y * dstpic->linesize[i]];
+ int mode = y == 1 || y + 2 == h ? 2 : yadif->mode;
+ yadif->filter_line(dst, prev, cur, next, w,
+ y + 1 < h ? refs : -refs,
+ y ? -refs : refs,
+ parity ^ tff, mode);
} else {
- memcpy(&dstpic->data[i][y*dstpic->linesize[i]],
- &yadif->cur->data[i][y*refs], w);
+ memcpy(&dstpic->data[i][y * dstpic->linesize[i]],
+ &yadif->cur->data[i][y * refs], w * df);
}
}
}
-#if HAVE_MMX
- __asm__ volatile("emms \n\t" : : : "memory");
-#endif
+
+ emms_c();
}
-static AVFilterBufferRef *get_video_buffer(AVFilterLink *link, int perms, int w, int h)
+static AVFilterBufferRef *get_video_buffer(AVFilterLink *link, int perms,
+ int w, int h)
{
AVFilterBufferRef *picref;
- int width = FFALIGN(w, 32);
- int height= FFALIGN(h+2, 32);
+ int width = FFALIGN(w, 32);
+ int height = FFALIGN(h + 2, 32);
int i;
- picref = avfilter_default_get_video_buffer(link, perms, width, height);
+ picref = ff_default_get_video_buffer(link, perms, width, height);
picref->video->w = w;
picref->video->h = h;
return picref;
}
-static void return_frame(AVFilterContext *ctx, int is_second)
+static int return_frame(AVFilterContext *ctx, int is_second)
{
YADIFContext *yadif = ctx->priv;
- AVFilterLink *link= ctx->outputs[0];
- int tff;
+ AVFilterLink *link = ctx->outputs[0];
+ int tff, ret;
if (yadif->parity == -1) {
tff = yadif->cur->video->interlaced ?
- yadif->cur->video->top_field_first : 1;
+ yadif->cur->video->top_field_first : 1;
} else {
- tff = yadif->parity^1;
+ tff = yadif->parity ^ 1;
}
- if (is_second)
- yadif->out = avfilter_get_video_buffer(link, AV_PERM_WRITE | AV_PERM_PRESERVE |
- AV_PERM_REUSE, link->w, link->h);
+ if (is_second) {
+ yadif->out = ff_get_video_buffer(link, PERM_RWP, link->w, link->h);
+ if (!yadif->out)
+ return AVERROR(ENOMEM);
+
+ avfilter_copy_buffer_ref_props(yadif->out, yadif->cur);
+ yadif->out->video->interlaced = 0;
+ }
+
+ if (!yadif->csp)
+ yadif->csp = &av_pix_fmt_descriptors[link->format];
+ if (yadif->csp->comp[0].depth_minus1 / 8 == 1)
+ yadif->filter_line = filter_line_c_16bit;
filter(ctx, yadif->out, tff ^ !is_second, tff);
if (is_second) {
- if (yadif->next->pts != AV_NOPTS_VALUE &&
- yadif->cur->pts != AV_NOPTS_VALUE) {
- yadif->out->pts =
- (yadif->next->pts&yadif->cur->pts) +
- ((yadif->next->pts^yadif->cur->pts)>>1);
+ int64_t cur_pts = yadif->cur->pts;
+ int64_t next_pts = yadif->next->pts;
+
+ if (next_pts != AV_NOPTS_VALUE && cur_pts != AV_NOPTS_VALUE) {
+ yadif->out->pts = cur_pts + next_pts;
} else {
yadif->out->pts = AV_NOPTS_VALUE;
}
- avfilter_start_frame(ctx->outputs[0], yadif->out);
+ ret = ff_start_frame(ctx->outputs[0], yadif->out);
+ if (ret < 0)
+ return ret;
}
- avfilter_draw_slice(ctx->outputs[0], 0, link->h, 1);
- avfilter_end_frame(ctx->outputs[0]);
+ if ((ret = ff_draw_slice(ctx->outputs[0], 0, link->h, 1)) < 0 ||
+ (ret = ff_end_frame(ctx->outputs[0])) < 0)
+ return ret;
yadif->frame_pending = (yadif->mode&1) && !is_second;
+ return 0;
}
-static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
+static int start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
{
AVFilterContext *ctx = link->dst;
YADIFContext *yadif = ctx->priv;
yadif->prev = yadif->cur;
yadif->cur = yadif->next;
yadif->next = picref;
+ link->cur_buf = NULL;
if (!yadif->cur)
- return;
+ return 0;
+
+ if (yadif->auto_enable && !yadif->cur->video->interlaced) {
+ yadif->out = avfilter_ref_buffer(yadif->cur, AV_PERM_READ);
+ if (!yadif->out)
+ return AVERROR(ENOMEM);
- if (!yadif->prev)
- yadif->prev = avfilter_ref_buffer(yadif->cur, AV_PERM_READ);
+ avfilter_unref_bufferp(&yadif->prev);
+ if (yadif->out->pts != AV_NOPTS_VALUE)
+ yadif->out->pts *= 2;
+ return ff_start_frame(ctx->outputs[0], yadif->out);
+ }
+
+ if (!yadif->prev &&
+ !(yadif->prev = avfilter_ref_buffer(yadif->cur, AV_PERM_READ)))
+ return AVERROR(ENOMEM);
- yadif->out = avfilter_get_video_buffer(ctx->outputs[0], AV_PERM_WRITE | AV_PERM_PRESERVE |
- AV_PERM_REUSE, link->w, link->h);
+ yadif->out = ff_get_video_buffer(ctx->outputs[0], PERM_RWP,
+ link->w, link->h);
+ if (!yadif->out)
+ return AVERROR(ENOMEM);
avfilter_copy_buffer_ref_props(yadif->out, yadif->cur);
yadif->out->video->interlaced = 0;
- avfilter_start_frame(ctx->outputs[0], yadif->out);
+
+ if (yadif->out->pts != AV_NOPTS_VALUE)
+ yadif->out->pts *= 2;
+
+ return ff_start_frame(ctx->outputs[0], yadif->out);
}
-static void end_frame(AVFilterLink *link)
+static int end_frame(AVFilterLink *link)
{
AVFilterContext *ctx = link->dst;
YADIFContext *yadif = ctx->priv;
if (!yadif->out)
- return;
+ return 0;
+
+ if (yadif->auto_enable && !yadif->cur->video->interlaced) {
+ int ret = ff_draw_slice(ctx->outputs[0], 0, link->h, 1);
+ if (ret >= 0)
+ ret = ff_end_frame(ctx->outputs[0]);
+ return ret;
+ }
return_frame(ctx, 0);
+ return 0;
}
static int request_frame(AVFilterLink *link)
do {
int ret;
- if ((ret = avfilter_request_frame(link->src->inputs[0])))
+ if (yadif->eof)
+ return AVERROR_EOF;
+
+ ret = ff_request_frame(link->src->inputs[0]);
+
+ if (ret == AVERROR_EOF && yadif->next) {
+ AVFilterBufferRef *next =
+ avfilter_ref_buffer(yadif->next, AV_PERM_READ);
+
+ if (!next)
+ return AVERROR(ENOMEM);
+
+ next->pts = yadif->next->pts * 2 - yadif->cur->pts;
+
+ start_frame(link->src->inputs[0], next);
+ end_frame(link->src->inputs[0]);
+ yadif->eof = 1;
+ } else if (ret < 0) {
return ret;
+ }
} while (!yadif->cur);
return 0;
if (yadif->frame_pending)
return 1;
- val = avfilter_poll_frame(link->src->inputs[0]);
+ val = ff_poll_frame(link->src->inputs[0]);
+ if (val <= 0)
+ return val;
- if (val==1 && !yadif->next) { //FIXME change API to not requre this red tape
- if ((ret = avfilter_request_frame(link->src->inputs[0])) < 0)
+ //FIXME change API to not requre this red tape
+ if (val == 1 && !yadif->next) {
+ if ((ret = ff_request_frame(link->src->inputs[0])) < 0)
return ret;
- val = avfilter_poll_frame(link->src->inputs[0]);
+ val = ff_poll_frame(link->src->inputs[0]);
+ if (val <= 0)
+ return val;
}
assert(yadif->next || !val);
+ if (yadif->auto_enable && yadif->next && !yadif->next->video->interlaced)
+ return val;
+
return val * ((yadif->mode&1)+1);
}
{
YADIFContext *yadif = ctx->priv;
- if (yadif->prev) avfilter_unref_buffer(yadif->prev);
- if (yadif->cur ) avfilter_unref_buffer(yadif->cur );
- if (yadif->next) avfilter_unref_buffer(yadif->next);
+ if (yadif->prev) avfilter_unref_bufferp(&yadif->prev);
+ if (yadif->cur ) avfilter_unref_bufferp(&yadif->cur );
+ if (yadif->next) avfilter_unref_bufferp(&yadif->next);
}
static int query_formats(AVFilterContext *ctx)
{
- static const enum PixelFormat pix_fmts[] = {
- PIX_FMT_YUV420P,
- PIX_FMT_GRAY8,
- PIX_FMT_NONE
+ static const enum AVPixelFormat pix_fmts[] = {
+ AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_YUV422P,
+ AV_PIX_FMT_YUV444P,
+ AV_PIX_FMT_YUV410P,
+ AV_PIX_FMT_YUV411P,
+ AV_PIX_FMT_GRAY8,
+ AV_PIX_FMT_YUVJ420P,
+ AV_PIX_FMT_YUVJ422P,
+ AV_PIX_FMT_YUVJ444P,
+ AV_NE( AV_PIX_FMT_GRAY16BE, AV_PIX_FMT_GRAY16LE ),
+ AV_PIX_FMT_YUV440P,
+ AV_PIX_FMT_YUVJ440P,
+ AV_NE( AV_PIX_FMT_YUV420P10BE, AV_PIX_FMT_YUV420P10LE ),
+ AV_NE( AV_PIX_FMT_YUV422P10BE, AV_PIX_FMT_YUV422P10LE ),
+ AV_NE( AV_PIX_FMT_YUV444P10BE, AV_PIX_FMT_YUV444P10LE ),
+ AV_NE( AV_PIX_FMT_YUV420P16BE, AV_PIX_FMT_YUV420P16LE ),
+ AV_NE( AV_PIX_FMT_YUV422P16BE, AV_PIX_FMT_YUV422P16LE ),
+ AV_NE( AV_PIX_FMT_YUV444P16BE, AV_PIX_FMT_YUV444P16LE ),
+ AV_PIX_FMT_YUVA420P,
+ AV_PIX_FMT_NONE
};
- avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
+ ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
return 0;
}
-static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
+static av_cold int init(AVFilterContext *ctx, const char *args)
{
YADIFContext *yadif = ctx->priv;
- av_unused int cpu_flags = av_get_cpu_flags();
yadif->mode = 0;
yadif->parity = -1;
+ yadif->auto_enable = 0;
+ yadif->csp = NULL;
- if (args) sscanf(args, "%d:%d", &yadif->mode, &yadif->parity);
+ if (args)
+ sscanf(args, "%d:%d:%d",
+ &yadif->mode, &yadif->parity, &yadif->auto_enable);
yadif->filter_line = filter_line_c;
- if (HAVE_SSSE3 && cpu_flags & AV_CPU_FLAG_SSSE3)
- yadif->filter_line = ff_yadif_filter_line_ssse3;
- else if (HAVE_SSE && cpu_flags & AV_CPU_FLAG_SSE2)
- yadif->filter_line = ff_yadif_filter_line_sse2;
- else if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX)
- yadif->filter_line = ff_yadif_filter_line_mmx;
- av_log(ctx, AV_LOG_INFO, "mode:%d parity:%d\n", yadif->mode, yadif->parity);
+ if (HAVE_MMX)
+ ff_yadif_init_x86(yadif);
+
+ av_log(ctx, AV_LOG_VERBOSE, "mode:%d parity:%d auto_enable:%d\n",
+ yadif->mode, yadif->parity, yadif->auto_enable);
+
+ return 0;
+}
+static int null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
+{
return 0;
}
-static void null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { }
+static int config_props(AVFilterLink *link)
+{
+ link->time_base.num = link->src->inputs[0]->time_base.num;
+ link->time_base.den = link->src->inputs[0]->time_base.den * 2;
+ link->w = link->src->inputs[0]->w;
+ link->h = link->src->inputs[0]->h;
+
+ return 0;
+}
AVFilter avfilter_vf_yadif = {
.name = "yadif",
.uninit = uninit,
.query_formats = query_formats,
- .inputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .start_frame = start_frame,
- .get_video_buffer = get_video_buffer,
- .draw_slice = null_draw_slice,
- .end_frame = end_frame, },
- { .name = NULL}},
-
- .outputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .poll_frame = poll_frame,
- .request_frame = request_frame, },
- { .name = NULL}},
+ .inputs = (const AVFilterPad[]) {{ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .start_frame = start_frame,
+ .get_video_buffer = get_video_buffer,
+ .draw_slice = null_draw_slice,
+ .end_frame = end_frame, },
+ { .name = NULL}},
+
+ .outputs = (const AVFilterPad[]) {{ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .poll_frame = poll_frame,
+ .request_frame = request_frame,
+ .config_props = config_props, },
+ { .name = NULL}},
};
projects / ffmpeg / blobdiff