1
0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-12 19:18:44 +02:00
FFmpeg/libavfilter/vf_yadif.c

388 lines
12 KiB
C
Raw Normal View History

/*
* Copyright (C) 2006-2011 Michael Niedermayer <michaelni@gmx.at>
* 2010 James Darnley <james.darnley@gmail.com>
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along 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"
#include "libavutil/imgutils.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
#include "yadif.h"
2013-05-11 22:40:28 +03:00
typedef struct ThreadData {
AVFrame *frame;
int plane;
int w, h;
int parity;
int tff;
} ThreadData;
#define CHECK(j)\
{ int score = FFABS(cur[mrefs - 1 + (j)] - cur[prefs - 1 - (j)])\
+ FFABS(cur[mrefs +(j)] - cur[prefs -(j)])\
+ FFABS(cur[mrefs + 1 + (j)] - cur[prefs + 1 - (j)]);\
if (score < spatial_score) {\
spatial_score= score;\
spatial_pred= (cur[mrefs +(j)] + cur[prefs -(j)])>>1;\
/* The is_not_edge argument here controls when the code will enter a branch
* which reads up to and including x-3 and x+3. */
#define FILTER(start, end, is_not_edge) \
for (x = start; x < end; x++) { \
2011-04-05 04:11:05 +03:00
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; \
2012-09-01 17:04:42 +03:00
int diff = FFMAX3(temporal_diff0 >> 1, temporal_diff1, temporal_diff2); \
int spatial_pred = (c+e) >> 1; \
2011-04-05 04:11:05 +03:00
\
if (is_not_edge) {\
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) }} }} \
}\
2011-04-05 04:11:05 +03:00
\
if (!(mode&2)) { \
2012-09-01 17:04:42 +03:00
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)); \
2011-04-05 04:11:05 +03:00
\
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(void *dst1,
void *prev1, void *cur1, void *next1,
2011-04-05 04:11:05 +03:00
int w, int prefs, int mrefs, int parity, int mode)
{
uint8_t *dst = dst1;
uint8_t *prev = prev1;
uint8_t *cur = cur1;
uint8_t *next = next1;
2011-04-05 04:11:05 +03:00
int x;
uint8_t *prev2 = parity ? prev : cur ;
uint8_t *next2 = parity ? cur : next;
/* The function is called with the pointers already pointing to data[3] and
* with 6 subtracted from the width. This allows the FILTER macro to be
* called so that it processes all the pixels normally. A constant value of
* true for is_not_edge lets the compiler ignore the if statement. */
FILTER(0, w, 1)
}
#define MAX_ALIGN 8
static void filter_edges(void *dst1, void *prev1, void *cur1, void *next1,
int w, int prefs, int mrefs, int parity, int mode)
{
uint8_t *dst = dst1;
uint8_t *prev = prev1;
uint8_t *cur = cur1;
uint8_t *next = next1;
int x;
uint8_t *prev2 = parity ? prev : cur ;
uint8_t *next2 = parity ? cur : next;
const int edge = MAX_ALIGN - 1;
/* Only edge pixels need to be processed here. A constant value of false
* for is_not_edge should let the compiler ignore the whole branch. */
FILTER(0, 3, 0)
dst = (uint8_t*)dst1 + w - edge;
prev = (uint8_t*)prev1 + w - edge;
cur = (uint8_t*)cur1 + w - edge;
next = (uint8_t*)next1 + w - edge;
prev2 = (uint8_t*)(parity ? prev : cur);
next2 = (uint8_t*)(parity ? cur : next);
FILTER(w - edge, w - 3, 1)
FILTER(w - 3, w, 0)
}
static void filter_line_c_16bit(void *dst1,
void *prev1, void *cur1, void *next1,
2012-09-01 17:04:42 +03:00
int w, int prefs, int mrefs, int parity,
int mode)
2010-11-24 22:25:09 +02:00
{
uint16_t *dst = dst1;
uint16_t *prev = prev1;
uint16_t *cur = cur1;
uint16_t *next = next1;
2010-11-24 22:25:09 +02:00
int x;
uint16_t *prev2 = parity ? prev : cur ;
uint16_t *next2 = parity ? cur : next;
mrefs /= 2;
prefs /= 2;
2010-11-24 22:25:09 +02:00
FILTER(0, w, 1)
}
static void filter_edges_16bit(void *dst1, void *prev1, void *cur1, void *next1,
int w, int prefs, int mrefs, int parity, int mode)
{
uint16_t *dst = dst1;
uint16_t *prev = prev1;
uint16_t *cur = cur1;
uint16_t *next = next1;
int x;
uint16_t *prev2 = parity ? prev : cur ;
uint16_t *next2 = parity ? cur : next;
const int edge = MAX_ALIGN / 2 - 1;
mrefs /= 2;
prefs /= 2;
FILTER(0, 3, 0)
dst = (uint16_t*)dst1 + w - edge;
prev = (uint16_t*)prev1 + w - edge;
cur = (uint16_t*)cur1 + w - edge;
next = (uint16_t*)next1 + w - edge;
prev2 = (uint16_t*)(parity ? prev : cur);
next2 = (uint16_t*)(parity ? cur : next);
FILTER(w - edge, w - 3, 1)
FILTER(w - 3, w, 0)
2010-11-24 22:25:09 +02:00
}
2013-05-11 22:40:28 +03:00
static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
YADIFContext *s = ctx->priv;
ThreadData *td = arg;
int refs = s->cur->linesize[td->plane];
int df = (s->csp->comp[td->plane].depth + 7) / 8;
2013-05-11 22:40:28 +03:00
int pix_3 = 3 * df;
int slice_start = (td->h * jobnr ) / nb_jobs;
int slice_end = (td->h * (jobnr+1)) / nb_jobs;
2013-05-11 22:40:28 +03:00
int y;
int edge = 3 + MAX_ALIGN / df - 1;
2013-05-11 22:40:28 +03:00
/* filtering reads 3 pixels to the left/right; to avoid invalid reads,
* we need to call the c variant which avoids this for border pixels
*/
for (y = slice_start; y < slice_end; y++) {
if ((y ^ td->parity) & 1) {
uint8_t *prev = &s->prev->data[td->plane][y * refs];
uint8_t *cur = &s->cur ->data[td->plane][y * refs];
uint8_t *next = &s->next->data[td->plane][y * refs];
uint8_t *dst = &td->frame->data[td->plane][y * td->frame->linesize[td->plane]];
int mode = y == 1 || y + 2 == td->h ? 2 : s->mode;
s->filter_line(dst + pix_3, prev + pix_3, cur + pix_3,
next + pix_3, td->w - edge,
2013-05-11 22:40:28 +03:00
y + 1 < td->h ? refs : -refs,
y ? -refs : refs,
td->parity ^ td->tff, mode);
s->filter_edges(dst, prev, cur, next, td->w,
y + 1 < td->h ? refs : -refs,
y ? -refs : refs,
td->parity ^ td->tff, mode);
} else {
memcpy(&td->frame->data[td->plane][y * td->frame->linesize[td->plane]],
&s->cur->data[td->plane][y * refs], td->w * df);
}
}
return 0;
}
static void filter(AVFilterContext *ctx, AVFrame *dstpic,
int parity, int tff)
{
YADIFContext *yadif = ctx->priv;
2013-05-11 22:40:28 +03:00
ThreadData td = { .frame = dstpic, .parity = parity, .tff = tff };
int i;
for (i = 0; i < yadif->csp->nb_components; i++) {
int w = dstpic->width;
int h = dstpic->height;
2011-08-27 19:32:14 +03:00
if (i == 1 || i == 2) {
w = AV_CEIL_RSHIFT(w, yadif->csp->log2_chroma_w);
h = AV_CEIL_RSHIFT(h, yadif->csp->log2_chroma_h);
}
2013-05-11 22:40:28 +03:00
td.w = w;
td.h = h;
td.plane = i;
ctx->internal->execute(ctx, filter_slice, &td, NULL, FFMIN(h, ff_filter_get_nb_threads(ctx)));
}
emms_c();
}
static av_cold void uninit(AVFilterContext *ctx)
{
YADIFContext *yadif = ctx->priv;
Merge commit '7e350379f87e7f74420b4813170fe808e2313911' * commit '7e350379f87e7f74420b4813170fe808e2313911': lavfi: switch to AVFrame. Conflicts: doc/filters.texi libavfilter/af_ashowinfo.c libavfilter/audio.c libavfilter/avfilter.c libavfilter/avfilter.h libavfilter/buffersink.c libavfilter/buffersrc.c libavfilter/buffersrc.h libavfilter/f_select.c libavfilter/f_setpts.c libavfilter/fifo.c libavfilter/split.c libavfilter/src_movie.c libavfilter/version.h libavfilter/vf_aspect.c libavfilter/vf_bbox.c libavfilter/vf_blackframe.c libavfilter/vf_delogo.c libavfilter/vf_drawbox.c libavfilter/vf_drawtext.c libavfilter/vf_fade.c libavfilter/vf_fieldorder.c libavfilter/vf_fps.c libavfilter/vf_frei0r.c libavfilter/vf_gradfun.c libavfilter/vf_hqdn3d.c libavfilter/vf_lut.c libavfilter/vf_overlay.c libavfilter/vf_pad.c libavfilter/vf_scale.c libavfilter/vf_showinfo.c libavfilter/vf_transpose.c libavfilter/vf_vflip.c libavfilter/vf_yadif.c libavfilter/video.c libavfilter/vsrc_testsrc.c libavfilter/yadif.h Following are notes about the merge authorship and various technical details. Michael Niedermayer: * Main merge operation, notably avfilter.c and video.c * Switch to AVFrame: - afade - anullsrc - apad - aresample - blackframe - deshake - idet - il - mandelbrot - mptestsrc - noise - setfield - smartblur - tinterlace * various merge changes and fixes in: - ashowinfo - blackdetect - field - fps - select - testsrc - yadif Nicolas George: * Switch to AVFrame: - make rawdec work with refcounted frames. Adapted from commit 759001c534287a96dc96d1e274665feb7059145d by Anton Khirnov. Also, fix the use of || instead of | in a flags check. - make buffer sink and src, audio and video work all together Clément Bœsch: * Switch to AVFrame: - aevalsrc - alphaextract - blend - cellauto - colormatrix - concat - earwax - ebur128 - edgedetect - geq - histeq - histogram - hue - kerndeint - life - movie - mp (with the help of Michael) - overlay - pad - pan - pp - pp - removelogo - sendcmd - showspectrum - showwaves - silencedetect - stereo3d - subtitles - super2xsai - swapuv - thumbnail - tile Hendrik Leppkes: * Switch to AVFrame: - aconvert - amerge - asetnsamples - atempo - biquads Matthieu Bouron: * Switch to AVFrame - alphamerge - decimate - volumedetect Stefano Sabatini: * Switch to AVFrame: - astreamsync - flite - framestep Signed-off-by: Michael Niedermayer <michaelni@gmx.at> Signed-off-by: Nicolas George <nicolas.george@normalesup.org> Signed-off-by: Clément Bœsch <ubitux@gmail.com> Signed-off-by: Hendrik Leppkes <h.leppkes@gmail.com> Signed-off-by: Matthieu Bouron <matthieu.bouron@gmail.com> Signed-off-by: Stefano Sabatini <stefasab@gmail.com> Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-03-10 03:30:30 +03:00
av_frame_free(&yadif->prev);
av_frame_free(&yadif->cur );
av_frame_free(&yadif->next);
}
static int query_formats(AVFilterContext *ctx)
{
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_PIX_FMT_GRAY16,
AV_PIX_FMT_YUV440P,
AV_PIX_FMT_YUVJ440P,
AV_PIX_FMT_YUV420P9,
AV_PIX_FMT_YUV422P9,
AV_PIX_FMT_YUV444P9,
AV_PIX_FMT_YUV420P10,
AV_PIX_FMT_YUV422P10,
AV_PIX_FMT_YUV444P10,
AV_PIX_FMT_YUV420P12,
AV_PIX_FMT_YUV422P12,
AV_PIX_FMT_YUV444P12,
AV_PIX_FMT_YUV420P14,
AV_PIX_FMT_YUV422P14,
AV_PIX_FMT_YUV444P14,
AV_PIX_FMT_YUV420P16,
AV_PIX_FMT_YUV422P16,
AV_PIX_FMT_YUV444P16,
AV_PIX_FMT_YUVA420P,
Merge commit '716d413c13981da15323c7a3821860536eefdbbb' * commit '716d413c13981da15323c7a3821860536eefdbbb': Replace PIX_FMT_* -> AV_PIX_FMT_*, PixelFormat -> AVPixelFormat Conflicts: doc/examples/muxing.c ffmpeg.h ffmpeg_filter.c ffmpeg_opt.c ffplay.c ffprobe.c libavcodec/8bps.c libavcodec/aasc.c libavcodec/aura.c libavcodec/avcodec.h libavcodec/avs.c libavcodec/bfi.c libavcodec/bmp.c libavcodec/bmpenc.c libavcodec/c93.c libavcodec/cscd.c libavcodec/cyuv.c libavcodec/dpx.c libavcodec/dpxenc.c libavcodec/eatgv.c libavcodec/escape124.c libavcodec/ffv1.c libavcodec/flashsv.c libavcodec/fraps.c libavcodec/h264.c libavcodec/huffyuv.c libavcodec/iff.c libavcodec/imgconvert.c libavcodec/indeo3.c libavcodec/kmvc.c libavcodec/libopenjpegdec.c libavcodec/libopenjpegenc.c libavcodec/libx264.c libavcodec/ljpegenc.c libavcodec/mjpegdec.c libavcodec/mjpegenc.c libavcodec/motionpixels.c libavcodec/mpeg12.c libavcodec/mpeg12enc.c libavcodec/mpeg4videodec.c libavcodec/mpegvideo_enc.c libavcodec/pamenc.c libavcodec/pcxenc.c libavcodec/pgssubdec.c libavcodec/pngdec.c libavcodec/pngenc.c libavcodec/pnm.c libavcodec/pnmdec.c libavcodec/pnmenc.c libavcodec/ptx.c libavcodec/qdrw.c libavcodec/qpeg.c libavcodec/qtrleenc.c libavcodec/raw.c libavcodec/rawdec.c libavcodec/rl2.c libavcodec/sgidec.c libavcodec/sgienc.c libavcodec/snowdec.c libavcodec/snowenc.c libavcodec/sunrast.c libavcodec/targa.c libavcodec/targaenc.c libavcodec/tiff.c libavcodec/tiffenc.c libavcodec/tmv.c libavcodec/truemotion2.c libavcodec/utils.c libavcodec/vb.c libavcodec/vp3.c libavcodec/wnv1.c libavcodec/xl.c libavcodec/xwddec.c libavcodec/xwdenc.c libavcodec/yop.c libavdevice/v4l2.c libavdevice/x11grab.c libavfilter/avfilter.c libavfilter/avfilter.h libavfilter/buffersrc.c libavfilter/drawutils.c libavfilter/formats.c libavfilter/src_movie.c libavfilter/vf_ass.c libavfilter/vf_drawtext.c libavfilter/vf_fade.c libavfilter/vf_format.c libavfilter/vf_hflip.c libavfilter/vf_lut.c libavfilter/vf_overlay.c libavfilter/vf_pad.c libavfilter/vf_scale.c libavfilter/vf_transpose.c libavfilter/vf_yadif.c libavfilter/video.c libavfilter/vsrc_testsrc.c libavformat/movenc.c libavformat/mxf.h libavformat/utils.c libavformat/yuv4mpeg.c libavutil/imgutils.c libavutil/pixdesc.c libswscale/input.c libswscale/output.c libswscale/swscale_internal.h libswscale/swscale_unscaled.c libswscale/utils.c libswscale/x86/swscale_template.c libswscale/x86/yuv2rgb.c libswscale/x86/yuv2rgb_template.c libswscale/yuv2rgb.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-10-08 21:54:00 +03:00
AV_PIX_FMT_YUVA422P,
AV_PIX_FMT_YUVA444P,
AV_PIX_FMT_GBRP,
AV_PIX_FMT_GBRP9,
AV_PIX_FMT_GBRP10,
AV_PIX_FMT_GBRP12,
AV_PIX_FMT_GBRP14,
AV_PIX_FMT_GBRP16,
AV_PIX_FMT_GBRAP,
AV_PIX_FMT_NONE
};
AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
if (!fmts_list)
return AVERROR(ENOMEM);
return ff_set_common_formats(ctx, fmts_list);
}
static int config_props(AVFilterLink *link)
{
AVFilterContext *ctx = link->src;
YADIFContext *s = ctx->priv;
link->time_base.num = ctx->inputs[0]->time_base.num;
link->time_base.den = ctx->inputs[0]->time_base.den * 2;
link->w = ctx->inputs[0]->w;
link->h = ctx->inputs[0]->h;
if(s->mode & 1)
link->frame_rate = av_mul_q(ctx->inputs[0]->frame_rate,
(AVRational){2, 1});
if (link->w < 3 || link->h < 3) {
av_log(ctx, AV_LOG_ERROR, "Video of less than 3 columns or lines is not supported\n");
return AVERROR(EINVAL);
}
s->csp = av_pix_fmt_desc_get(link->format);
s->filter = filter;
if (s->csp->comp[0].depth > 8) {
s->filter_line = filter_line_c_16bit;
s->filter_edges = filter_edges_16bit;
} else {
s->filter_line = filter_line_c;
s->filter_edges = filter_edges;
}
if (ARCH_X86)
ff_yadif_init_x86(s);
return 0;
}
static const AVClass yadif_class = {
.class_name = "yadif",
.item_name = av_default_item_name,
.option = ff_yadif_options,
.version = LIBAVUTIL_VERSION_INT,
.category = AV_CLASS_CATEGORY_FILTER,
};
static const AVFilterPad avfilter_vf_yadif_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.filter_frame = ff_yadif_filter_frame,
},
{ NULL }
};
static const AVFilterPad avfilter_vf_yadif_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.request_frame = ff_yadif_request_frame,
.config_props = config_props,
},
{ NULL }
};
AVFilter ff_vf_yadif = {
.name = "yadif",
.description = NULL_IF_CONFIG_SMALL("Deinterlace the input image."),
.priv_size = sizeof(YADIFContext),
.priv_class = &yadif_class,
.uninit = uninit,
.query_formats = query_formats,
.inputs = avfilter_vf_yadif_inputs,
.outputs = avfilter_vf_yadif_outputs,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
};