/*
- * Copyright (C) 2006-2010 Michael Niedermayer <michaelni@gmx.at>
+ * Copyright (C) 2006-2011 Michael Niedermayer <michaelni@gmx.at>
* 2010 James Darnley <james.darnley@gmail.com>
*
- * This file is part of Libav.
- *
- * Libav is free software; you can redistribute it and/or modify
+ * FFmpeg is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
- * with Libav; if not, write to the Free Software Foundation, Inc.,
+ * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#include "libavutil/avassert.h"
#include "libavutil/cpu.h"
#include "libavutil/common.h"
#include "libavutil/pixdesc.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: top field first
- * 1: bottom field first
- * -1: auto-detection
- */
- int parity;
-
- int frame_pending;
-
- /**
- * 0: deinterlace all frames
- * 1: only deinterlace frames marked as interlaced
- */
- int auto_enable;
-
- 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);
-
- const AVPixFmtDescriptor *csp;
- int eof;
-} YADIFContext;
-
#define CHECK(j)\
{ int score = FFABS(cur[mrefs-1+(j)] - cur[prefs-1-(j)])\
+ FFABS(cur[mrefs +(j)] - cur[prefs -(j)])\
int w = dstpic->video->w;
int h = dstpic->video->h;
int refs = yadif->cur->linesize[i];
+ int absrefs = FFABS(refs);
int df = (yadif->csp->comp[i].depth_minus1 + 8) / 8;
if (i == 1 || i == 2) {
h >>= yadif->csp->log2_chroma_h;
}
+ if(yadif->temp_line_size < absrefs) {
+ av_free(yadif->temp_line);
+ yadif->temp_line = av_mallocz(2*64 + 5*absrefs);
+ yadif->temp_line_size = absrefs;
+ }
+
for (y = 0; y < h; y++) {
if ((y ^ parity) & 1) {
uint8_t *prev = &yadif->prev->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);
+ int prefs = y+1<h ? refs : -refs;
+ int mrefs = y ?-refs : refs;
+
+ if(y<=1 || y+2>=h) {
+ int j;
+ uint8_t *tmp = yadif->temp_line + 64 + 2*absrefs;
+ if(mode<2)
+ memcpy(tmp+2*mrefs, cur+2*mrefs, w*df);
+ memcpy(tmp+mrefs, cur+mrefs, w*df);
+ memcpy(tmp , cur , w*df);
+ if(prefs != mrefs) {
+ memcpy(tmp+prefs, cur+prefs, w*df);
+ if(mode<2)
+ memcpy(tmp+2*prefs, cur+2*prefs, w*df);
+ }
+ cur = tmp;
+ }
+
+ yadif->filter_line(dst, prev, cur, next, w, prefs, mrefs, parity ^ tff, mode);
} else {
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
-}
-
-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 i;
-
- picref = ff_default_get_video_buffer(link, perms, width, height);
- picref->video->w = w;
- picref->video->h = h;
-
- for (i = 0; i < 3; i++)
- picref->data[i] += picref->linesize[i];
-
- return picref;
+ emms_c();
}
-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;
+ int tff, ret;
if (yadif->parity == -1) {
tff = yadif->cur->video->interlaced ?
if (is_second) {
yadif->out = ff_get_video_buffer(link, AV_PERM_WRITE | AV_PERM_PRESERVE |
AV_PERM_REUSE, 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;
+ yadif->filter_line = (void*)filter_line_c_16bit;
filter(ctx, yadif->out, tff ^ !is_second, tff);
} else {
yadif->out->pts = AV_NOPTS_VALUE;
}
- ff_start_frame(ctx->outputs[0], yadif->out);
+ ret = ff_start_frame(ctx->outputs[0], yadif->out);
+ if (ret < 0)
+ return ret;
}
- ff_draw_slice(ctx->outputs[0], 0, link->h, 1);
- ff_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;
+ av_assert0(picref);
+
+ if (picref->video->h < 3 || picref->video->w < 3) {
+ av_log(ctx, AV_LOG_ERROR, "Video of less than 3 columns or lines is not supported\n");
+ return AVERROR(EINVAL);
+ }
+
if (yadif->frame_pending)
return_frame(ctx, 1);
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);
- avfilter_unref_buffer(yadif->prev);
- yadif->prev = NULL;
+ yadif->out = avfilter_ref_buffer(yadif->cur, ~AV_PERM_WRITE);
+ if (!yadif->out)
+ return AVERROR(ENOMEM);
+
+ avfilter_unref_bufferp(&yadif->prev);
if (yadif->out->pts != AV_NOPTS_VALUE)
yadif->out->pts *= 2;
- ff_start_frame(ctx->outputs[0], yadif->out);
- return;
+ return ff_start_frame(ctx->outputs[0], yadif->out);
}
- if (!yadif->prev)
- yadif->prev = avfilter_ref_buffer(yadif->cur, AV_PERM_READ);
+ if (!yadif->prev &&
+ !(yadif->prev = avfilter_ref_buffer(yadif->cur, ~AV_PERM_WRITE)))
+ return AVERROR(ENOMEM);
yadif->out = ff_get_video_buffer(ctx->outputs[0], AV_PERM_WRITE | AV_PERM_PRESERVE |
AV_PERM_REUSE, 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->out->pts != AV_NOPTS_VALUE)
yadif->out->pts *= 2;
- ff_start_frame(ctx->outputs[0], yadif->out);
+ 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) {
- ff_draw_slice(ctx->outputs[0], 0, link->h, 1);
- ff_end_frame(ctx->outputs[0]);
- return;
+ 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)
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 (ret == AVERROR_EOF && yadif->cur) {
+ AVFilterBufferRef *next = avfilter_ref_buffer(yadif->next, ~AV_PERM_WRITE);
+ if (!next)
+ return AVERROR(ENOMEM);
+
next->pts = yadif->next->pts * 2 - yadif->cur->pts;
start_frame(link->src->inputs[0], next);
if (val <= 0)
return val;
- if (val==1 && !yadif->next) { //FIXME change API to not requre this red tape
+ if (val >= 1 && !yadif->next) { //FIXME change API to not requre this red tape
if ((ret = ff_request_frame(link->src->inputs[0])) < 0)
return ret;
val = ff_poll_frame(link->src->inputs[0]);
{
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);
+ av_freep(&yadif->temp_line); yadif->temp_line_size = 0;
}
static int query_formats(AVFilterContext *ctx)
AV_NE( PIX_FMT_YUV422P16BE, PIX_FMT_YUV422P16LE ),
AV_NE( PIX_FMT_YUV444P16BE, PIX_FMT_YUV444P16LE ),
PIX_FMT_YUVA420P,
+ PIX_FMT_YUVA422P,
+ PIX_FMT_YUVA444P,
PIX_FMT_NONE
};
static av_cold int init(AVFilterContext *ctx, const char *args)
{
YADIFContext *yadif = ctx->priv;
- int cpu_flags = av_get_cpu_flags();
yadif->mode = 0;
yadif->parity = -1;
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 auto_enable:%d\n", yadif->mode, yadif->parity, yadif->auto_enable);
+ 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 void null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { }
+static int null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
+{
+ return 0;
+}
static int config_props(AVFilterLink *link)
{
+ YADIFContext *yadif = link->src->priv;
+
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;
+ if(yadif->mode&1)
+ link->frame_rate = av_mul_q(link->src->inputs[0]->frame_rate, (AVRational){2,1});
+
return 0;
}
AVFilter avfilter_vf_yadif = {
.name = "yadif",
- .description = NULL_IF_CONFIG_SMALL("Deinterlace the input image"),
+ .description = NULL_IF_CONFIG_SMALL("Deinterlace the input image."),
.priv_size = sizeof(YADIFContext),
.init = init,
.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,
- .config_props = config_props, },
- { .name = NULL}},
+ .inputs = (const AVFilterPad[]) {{ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .start_frame = start_frame,
+ .draw_slice = null_draw_slice,
+ .end_frame = end_frame,
+ .min_perms = AV_PERM_PRESERVE, },
+ { .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