FFmpeg  2.1.1
vf_hqdn3d.c
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1 /*
2  * Copyright (c) 2003 Daniel Moreno <comac AT comac DOT darktech DOT org>
3  * Copyright (c) 2010 Baptiste Coudurier
4  * Copyright (c) 2012 Loren Merritt
5  *
6  * This file is part of FFmpeg, ported from MPlayer.
7  *
8  * FFmpeg is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License along
19  * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21  */
22 
23 /**
24  * @file
25  * high quality 3d video denoiser, ported from MPlayer
26  * libmpcodecs/vf_hqdn3d.c.
27  */
28 
29 #include <float.h>
30 
31 #include "config.h"
32 #include "libavutil/attributes.h"
33 #include "libavutil/common.h"
34 #include "libavutil/pixdesc.h"
35 #include "libavutil/intreadwrite.h"
36 #include "libavutil/opt.h"
37 
38 #include "avfilter.h"
39 #include "formats.h"
40 #include "internal.h"
41 #include "video.h"
42 #include "vf_hqdn3d.h"
43 
44 #define LUT_BITS (depth==16 ? 8 : 4)
45 #define LOAD(x) (((depth == 8 ? src[x] : AV_RN16A(src + (x) * 2)) << (16 - depth))\
46  + (((1 << (16 - depth)) - 1) >> 1))
47 #define STORE(x,val) (depth == 8 ? dst[x] = (val) >> (16 - depth) : \
48  AV_WN16A(dst + (x) * 2, (val) >> (16 - depth)))
49 
51 static uint32_t lowpass(int prev, int cur, int16_t *coef, int depth)
52 {
53  int d = (prev - cur) >> (8 - LUT_BITS);
54  return cur + coef[d];
55 }
56 
58 static void denoise_temporal(uint8_t *src, uint8_t *dst,
59  uint16_t *frame_ant,
60  int w, int h, int sstride, int dstride,
61  int16_t *temporal, int depth)
62 {
63  long x, y;
64  uint32_t tmp;
65 
66  temporal += 256 << LUT_BITS;
67 
68  for (y = 0; y < h; y++) {
69  for (x = 0; x < w; x++) {
70  frame_ant[x] = tmp = lowpass(frame_ant[x], LOAD(x), temporal, depth);
71  STORE(x, tmp);
72  }
73  src += sstride;
74  dst += dstride;
75  frame_ant += w;
76  }
77 }
78 
81  uint8_t *src, uint8_t *dst,
82  uint16_t *line_ant, uint16_t *frame_ant,
83  int w, int h, int sstride, int dstride,
84  int16_t *spatial, int16_t *temporal, int depth)
85 {
86  long x, y;
87  uint32_t pixel_ant;
88  uint32_t tmp;
89 
90  spatial += 256 << LUT_BITS;
91  temporal += 256 << LUT_BITS;
92 
93  /* First line has no top neighbor. Only left one for each tmp and
94  * last frame */
95  pixel_ant = LOAD(0);
96  for (x = 0; x < w; x++) {
97  line_ant[x] = tmp = pixel_ant = lowpass(pixel_ant, LOAD(x), spatial, depth);
98  frame_ant[x] = tmp = lowpass(frame_ant[x], tmp, temporal, depth);
99  STORE(x, tmp);
100  }
101 
102  for (y = 1; y < h; y++) {
103  src += sstride;
104  dst += dstride;
105  frame_ant += w;
106  if (s->denoise_row[depth]) {
107  s->denoise_row[depth](src, dst, line_ant, frame_ant, w, spatial, temporal);
108  continue;
109  }
110  pixel_ant = LOAD(0);
111  for (x = 0; x < w-1; x++) {
112  line_ant[x] = tmp = lowpass(line_ant[x], pixel_ant, spatial, depth);
113  pixel_ant = lowpass(pixel_ant, LOAD(x+1), spatial, depth);
114  frame_ant[x] = tmp = lowpass(frame_ant[x], tmp, temporal, depth);
115  STORE(x, tmp);
116  }
117  line_ant[x] = tmp = lowpass(line_ant[x], pixel_ant, spatial, depth);
118  frame_ant[x] = tmp = lowpass(frame_ant[x], tmp, temporal, depth);
119  STORE(x, tmp);
120  }
121 }
122 
125  uint8_t *src, uint8_t *dst,
126  uint16_t *line_ant, uint16_t **frame_ant_ptr,
127  int w, int h, int sstride, int dstride,
128  int16_t *spatial, int16_t *temporal, int depth)
129 {
130  // FIXME: For 16bit depth, frame_ant could be a pointer to the previous
131  // filtered frame rather than a separate buffer.
132  long x, y;
133  uint16_t *frame_ant = *frame_ant_ptr;
134  if (!frame_ant) {
135  uint8_t *frame_src = src;
136  *frame_ant_ptr = frame_ant = av_malloc(w*h*sizeof(uint16_t));
137  for (y = 0; y < h; y++, src += sstride, frame_ant += w)
138  for (x = 0; x < w; x++)
139  frame_ant[x] = LOAD(x);
140  src = frame_src;
141  frame_ant = *frame_ant_ptr;
142  }
143 
144  if (spatial[0])
145  denoise_spatial(s, src, dst, line_ant, frame_ant,
146  w, h, sstride, dstride, spatial, temporal, depth);
147  else
148  denoise_temporal(src, dst, frame_ant,
149  w, h, sstride, dstride, temporal, depth);
150 }
151 
152 #define denoise(...) \
153  switch (s->depth) {\
154  case 8: denoise_depth(__VA_ARGS__, 8); break;\
155  case 9: denoise_depth(__VA_ARGS__, 9); break;\
156  case 10: denoise_depth(__VA_ARGS__, 10); break;\
157  case 16: denoise_depth(__VA_ARGS__, 16); break;\
158  }
159 
160 static int16_t *precalc_coefs(double dist25, int depth)
161 {
162  int i;
163  double gamma, simil, C;
164  int16_t *ct = av_malloc((512<<LUT_BITS)*sizeof(int16_t));
165  if (!ct)
166  return NULL;
167 
168  gamma = log(0.25) / log(1.0 - FFMIN(dist25,252.0)/255.0 - 0.00001);
169 
170  for (i = -255<<LUT_BITS; i <= 255<<LUT_BITS; i++) {
171  double f = ((i<<(9-LUT_BITS)) + (1<<(8-LUT_BITS)) - 1) / 512.0; // midpoint of the bin
172  simil = 1.0 - FFABS(f) / 255.0;
173  C = pow(simil, gamma) * 256.0 * f;
174  ct[(256<<LUT_BITS)+i] = lrint(C);
175  }
176 
177  ct[0] = !!dist25;
178  return ct;
179 }
180 
181 #define PARAM1_DEFAULT 4.0
182 #define PARAM2_DEFAULT 3.0
183 #define PARAM3_DEFAULT 6.0
184 
185 static av_cold int init(AVFilterContext *ctx)
186 {
187  HQDN3DContext *s = ctx->priv;
188 
189  if (!s->strength[LUMA_SPATIAL])
191  if (!s->strength[CHROMA_SPATIAL])
193  if (!s->strength[LUMA_TMP])
195  if (!s->strength[CHROMA_TMP])
197 
198  av_log(ctx, AV_LOG_VERBOSE, "ls:%f cs:%f lt:%f ct:%f\n",
201 
202  return 0;
203 }
204 
205 static av_cold void uninit(AVFilterContext *ctx)
206 {
207  HQDN3DContext *s = ctx->priv;
208 
209  av_freep(&s->coefs[0]);
210  av_freep(&s->coefs[1]);
211  av_freep(&s->coefs[2]);
212  av_freep(&s->coefs[3]);
213  av_freep(&s->line);
214  av_freep(&s->frame_prev[0]);
215  av_freep(&s->frame_prev[1]);
216  av_freep(&s->frame_prev[2]);
217 }
218 
220 {
221  static const enum AVPixelFormat pix_fmts[] = {
242  };
243 
245 
246  return 0;
247 }
248 
249 static int config_input(AVFilterLink *inlink)
250 {
251  HQDN3DContext *s = inlink->dst->priv;
252  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
253  int i;
254 
255  uninit(inlink->dst);
256 
257  s->hsub = desc->log2_chroma_w;
258  s->vsub = desc->log2_chroma_h;
259  s->depth = desc->comp[0].depth_minus1+1;
260 
261  s->line = av_malloc(inlink->w * sizeof(*s->line));
262  if (!s->line)
263  return AVERROR(ENOMEM);
264 
265  for (i = 0; i < 4; i++) {
266  s->coefs[i] = precalc_coefs(s->strength[i], s->depth);
267  if (!s->coefs[i])
268  return AVERROR(ENOMEM);
269  }
270 
271  if (ARCH_X86)
273 
274  return 0;
275 }
276 
277 static int filter_frame(AVFilterLink *inlink, AVFrame *in)
278 {
279  AVFilterContext *ctx = inlink->dst;
280  HQDN3DContext *s = ctx->priv;
281  AVFilterLink *outlink = ctx->outputs[0];
282 
283  AVFrame *out;
284  int direct, c;
285 
286  if (av_frame_is_writable(in) && !ctx->is_disabled) {
287  direct = 1;
288  out = in;
289  } else {
290  direct = 0;
291  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
292  if (!out) {
293  av_frame_free(&in);
294  return AVERROR(ENOMEM);
295  }
296 
297  av_frame_copy_props(out, in);
298  }
299 
300  for (c = 0; c < 3; c++) {
301  denoise(s, in->data[c], out->data[c],
302  s->line, &s->frame_prev[c],
303  FF_CEIL_RSHIFT(in->width, (!!c * s->hsub)),
304  FF_CEIL_RSHIFT(in->height, (!!c * s->vsub)),
305  in->linesize[c], out->linesize[c],
307  s->coefs[c ? CHROMA_TMP : LUMA_TMP]);
308  }
309 
310  if (ctx->is_disabled) {
311  av_frame_free(&out);
312  return ff_filter_frame(outlink, in);
313  }
314 
315  if (!direct)
316  av_frame_free(&in);
317 
318  return ff_filter_frame(outlink, out);
319 }
320 
321 #define OFFSET(x) offsetof(HQDN3DContext, x)
322 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
323 static const AVOption hqdn3d_options[] = {
324  { "luma_spatial", "spatial luma strength", OFFSET(strength[LUMA_SPATIAL]), AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
325  { "chroma_spatial", "spatial chroma strength", OFFSET(strength[CHROMA_SPATIAL]), AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
326  { "luma_tmp", "temporal luma strength", OFFSET(strength[LUMA_TMP]), AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
327  { "chroma_tmp", "temporal chroma strength", OFFSET(strength[CHROMA_TMP]), AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
328  { NULL }
329 };
330 
331 AVFILTER_DEFINE_CLASS(hqdn3d);
332 
334  {
335  .name = "default",
336  .type = AVMEDIA_TYPE_VIDEO,
337  .config_props = config_input,
338  .filter_frame = filter_frame,
339  },
340  { NULL }
341 };
342 
343 
345  {
346  .name = "default",
347  .type = AVMEDIA_TYPE_VIDEO
348  },
349  { NULL }
350 };
351 
353  .name = "hqdn3d",
354  .description = NULL_IF_CONFIG_SMALL("Apply a High Quality 3D Denoiser."),
355  .priv_size = sizeof(HQDN3DContext),
356  .priv_class = &hqdn3d_class,
357  .init = init,
358  .uninit = uninit,
360  .inputs = avfilter_vf_hqdn3d_inputs,
361  .outputs = avfilter_vf_hqdn3d_outputs,
363 };
#define AV_PIX_FMT_YUV422P16
Definition: avcodec.h:4958
const char * s
Definition: avisynth_c.h:668
This structure describes decoded (raw) audio or video data.
Definition: frame.h:96
AVOption.
Definition: opt.h:253
#define av_always_inline
Definition: attributes.h:41
#define C
static const AVFilterPad avfilter_vf_hqdn3d_inputs[]
Definition: vf_hqdn3d.c:333
static const AVFilterPad avfilter_vf_hqdn3d_outputs[]
Definition: vf_hqdn3d.c:344
const char * name
Filter name.
Definition: avfilter.h:468
void * priv
private data for use by the filter
Definition: avfilter.h:648
static const AVFilterPad outputs[]
Definition: af_ashowinfo.c:111
#define LUMA_SPATIAL
Definition: vf_hqdn3d.h:42
planar YUV 4:2:2, 16bpp, (1 Cr &amp; Cb sample per 2x1 Y samples)
Definition: avcodec.h:4538
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:88
void av_log(void *avcl, int level, const char *fmt,...) av_printf_format(3
Send the specified message to the log if the level is less than or equal to the current av_log_level...
#define FLAGS
Definition: vf_hqdn3d.c:322
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:109
uint16_t * line
Definition: vf_hqdn3d.h:34
Pixel format.
Definition: avcodec.h:4533
int av_frame_is_writable(AVFrame *frame)
Check if the frame data is writable.
Definition: frame.c:382
#define av_cold
Definition: avcodec.h:653
void(* denoise_row[17])(uint8_t *src, uint8_t *dst, uint16_t *line_ant, uint16_t *frame_ant, ptrdiff_t w, int16_t *spatial, int16_t *temporal)
Definition: vf_hqdn3d.h:39
int is_disabled
the enabled state from the last expression evaluation
Definition: avfilter.h:680
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:68
void ff_hqdn3d_init_x86(HQDN3DContext *hqdn3d)
void av_freep(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer ...
Definition: mem.c:234
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:294
const char * name
Pad name.
Definition: internal.h:66
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1118
uint8_t
uint16_t * frame_prev[3]
Definition: vf_hqdn3d.h:35
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only &quot;metadata&quot; fields from src to dst.
Definition: frame.c:446
#define PARAM1_DEFAULT
Definition: vf_hqdn3d.c:181
#define FF_CEIL_RSHIFT(a, b)
Definition: avcodec.h:916
static av_always_inline void denoise_temporal(uint8_t *src, uint8_t *dst, uint16_t *frame_ant, int w, int h, int sstride, int dstride, int16_t *temporal, int depth)
Definition: vf_hqdn3d.c:58
#define AV_LOG_VERBOSE
Detailed information.
Definition: avcodec.h:4163
void ff_set_common_formats(AVFilterContext *ctx, AVFilterFormats *formats)
A helper for query_formats() which sets all links to the same list of formats.
Definition: formats.c:531
#define CHROMA_SPATIAL
Definition: vf_hqdn3d.h:44
A filter pad used for either input or output.
Definition: internal.h:60
static av_always_inline void denoise_depth(HQDN3DContext *s, uint8_t *src, uint8_t *dst, uint16_t *line_ant, uint16_t **frame_ant_ptr, int w, int h, int sstride, int dstride, int16_t *spatial, int16_t *temporal, int depth)
Definition: vf_hqdn3d.c:124
uint16_t depth_minus1
number of bits in the component minus 1
Definition: pixdesc.h:45
static av_always_inline void denoise_spatial(HQDN3DContext *s, uint8_t *src, uint8_t *dst, uint16_t *line_ant, uint16_t *frame_ant, int w, int h, int sstride, int dstride, int16_t *spatial, int16_t *temporal, int depth)
Definition: vf_hqdn3d.c:80
int width
width and height of the video frame
Definition: frame.h:145
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));returnNULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method!=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt)>2){ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc){av_free(ac);returnNULL;}returnac;}in_planar=av_sample_fmt_is_planar(in_fmt);out_planar=av_sample_fmt_is_planar(out_fmt);if(in_planar==out_planar){ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar?ac->channels:1;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);ff_audio_convert_init_arm(ac);ff_audio_convert_init_x86(ac);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_dlog(ac->avr,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> in
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:77
#define LOAD(x)
Definition: vf_hqdn3d.c:45
#define ARCH_X86
Definition: config.h:35
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV444P and setting color_...
Definition: avcodec.h:4548
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:151
int16_t * coefs[4]
Definition: vf_hqdn3d.h:33
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of PIX_FMT_YUV440P and setting color_range ...
Definition: avcodec.h:4570
double strength[4]
Definition: vf_hqdn3d.h:36
planar YUV 4:1:1, 12bpp, (1 Cr &amp; Cb sample per 4x1 Y samples)
Definition: avcodec.h:4541
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:123
static int config_input(AVFilterLink *inlink)
Definition: vf_hqdn3d.c:249
AVPixelFormat
Pixel format.
Definition: pixfmt.h:66
int depth
Definition: v4l.c:61
#define AV_PIX_FMT_YUV444P16
Definition: avcodec.h:4959
float y
void * av_malloc(size_t size) av_malloc_attrib 1(1)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
Definition: mem.c:73
#define FFMIN(a, b)
Definition: avcodec.h:925
Main libavfilter public API header.
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:1938
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV420P and setting color_...
Definition: avcodec.h:4546
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:642
#define OFFSET(x)
Definition: vf_hqdn3d.c:321
planar YUV 4:2:0, 12bpp, (1 Cr &amp; Cb sample per 2x2 Y samples)
Definition: avcodec.h:4534
planar YUV 4:4:0 (1 Cr &amp; Cb sample per 1x2 Y samples)
Definition: avcodec.h:4569
AVS_Value src
Definition: avisynth_c.h:523
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:57
#define LUMA_TMP
Definition: vf_hqdn3d.h:43
#define AV_PIX_FMT_YUV444P9
Definition: avcodec.h:4947
#define LUT_BITS
Definition: vf_hqdn3d.c:44
#define CHROMA_TMP
Definition: vf_hqdn3d.h:45
Filter definition.
Definition: avfilter.h:464
static const AVFilterPad inputs[]
Definition: af_ashowinfo.c:102
#define AV_PIX_FMT_YUV420P9
Definition: avcodec.h:4945
planar YUV 4:4:4, 24bpp, (1 Cr &amp; Cb sample per 1x1 Y samples)
Definition: avcodec.h:4539
static av_always_inline av_const long int lrint(double x)
Definition: libm.h:148
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:124
#define AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
Same as AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, except that the filter will have its filter_frame() c...
Definition: avfilter.h:453
#define PARAM3_DEFAULT
Definition: vf_hqdn3d.c:183
#define FFABS(a)
Definition: avcodec.h:920
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_hqdn3d.c:277
AVFilter avfilter_vf_hqdn3d
Definition: vf_hqdn3d.c:352
static int flags
Definition: cpu.c:45
#define AV_PIX_FMT_YUV420P16
Definition: avcodec.h:4957
#define PARAM2_DEFAULT
Definition: vf_hqdn3d.c:182
#define AV_PIX_FMT_YUV422P9
Definition: avcodec.h:4946
static const AVOption hqdn3d_options[]
Definition: vf_hqdn3d.c:323
#define AV_PIX_FMT_YUV444P10
Definition: avcodec.h:4950
static double c[64]
static av_cold int init(AVFilterContext *ctx)
Definition: vf_hqdn3d.c:185
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));returnNULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method!=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt)>2){ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc){av_free(ac);returnNULL;}returnac;}in_planar=av_sample_fmt_is_planar(in_fmt);out_planar=av_sample_fmt_is_planar(out_fmt);if(in_planar==out_planar){ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar?ac->channels:1;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);ff_audio_convert_init_arm(ac);ff_audio_convert_init_x86(ac);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_dlog(ac->avr,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> out
#define AVFILTER_DEFINE_CLASS(fname)
Definition: internal.h:301
#define AV_PIX_FMT_YUV420P10
Definition: avcodec.h:4948
#define AVERROR(e)
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_hqdn3d.c:205
An instance of a filter.
Definition: avfilter.h:627
#define denoise(...)
Definition: vf_hqdn3d.c:152
int height
Definition: frame.h:145
#define AV_PIX_FMT_YUV422P10
Definition: avcodec.h:4949
static int16_t * precalc_coefs(double dist25, int depth)
Definition: vf_hqdn3d.c:160
internal API functions
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV422P and setting color_...
Definition: avcodec.h:4547
static int query_formats(AVFilterContext *ctx)
Definition: vf_hqdn3d.c:219
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:107
#define STORE(x, val)
Definition: vf_hqdn3d.c:47
planar YUV 4:1:0, 9bpp, (1 Cr &amp; Cb sample per 4x4 Y samples)
Definition: avcodec.h:4540