Libav
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 Libav, ported from MPlayer.
7  *
8  * Libav 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  * Libav 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 Libav; if not, write to the Free Software Foundation, Inc.,
20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21  */
22 
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 16-bit 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  if (!frame_ant)
138  return AVERROR(ENOMEM);
139  for (y = 0; y < h; y++, src += sstride, frame_ant += w)
140  for (x = 0; x < w; x++)
141  frame_ant[x] = LOAD(x);
142  src = frame_src;
143  frame_ant = *frame_ant_ptr;
144  }
145 
146  if (spatial[0])
147  denoise_spatial(s, src, dst, line_ant, frame_ant,
148  w, h, sstride, dstride, spatial, temporal, depth);
149  else
150  denoise_temporal(src, dst, frame_ant,
151  w, h, sstride, dstride, temporal, depth);
152  emms_c();
153  return 0;
154 }
155 
156 #define denoise(...) \
157  do { \
158  int ret = AVERROR_INVALIDDATA; \
159  switch (s->depth) { \
160  case 8: ret = denoise_depth(__VA_ARGS__, 8); break; \
161  case 9: ret = denoise_depth(__VA_ARGS__, 9); break; \
162  case 10: ret = denoise_depth(__VA_ARGS__, 10); break; \
163  case 16: ret = denoise_depth(__VA_ARGS__, 16); break; \
164  } \
165  if (ret < 0) { \
166  av_frame_free(&out); \
167  if (!direct) \
168  av_frame_free(&in); \
169  return ret; \
170  } \
171  } while (0)
172 
173 static int16_t *precalc_coefs(double dist25, int depth)
174 {
175  int i;
176  double gamma, simil, C;
177  int16_t *ct = av_malloc((512<<LUT_BITS)*sizeof(int16_t));
178  if (!ct)
179  return NULL;
180 
181  gamma = log(0.25) / log(1.0 - FFMIN(dist25,252.0)/255.0 - 0.00001);
182 
183  for (i = -255<<LUT_BITS; i <= 255<<LUT_BITS; i++) {
184  double f = ((i<<(9-LUT_BITS)) + (1<<(8-LUT_BITS)) - 1) / 512.0; // midpoint of the bin
185  simil = 1.0 - FFABS(f) / 255.0;
186  C = pow(simil, gamma) * 256.0 * f;
187  ct[(256<<LUT_BITS)+i] = lrint(C);
188  }
189 
190  ct[0] = !!dist25;
191  return ct;
192 }
193 
194 #define PARAM1_DEFAULT 4.0
195 #define PARAM2_DEFAULT 3.0
196 #define PARAM3_DEFAULT 6.0
197 
199 {
200  HQDN3DContext *s = ctx->priv;
201 
202  if (!s->strength[LUMA_SPATIAL])
204  if (!s->strength[CHROMA_SPATIAL])
206  if (!s->strength[LUMA_TMP])
208  if (!s->strength[CHROMA_TMP])
210 
211  av_log(ctx, AV_LOG_VERBOSE, "ls:%f cs:%f lt:%f ct:%f\n",
214 
215  return 0;
216 }
217 
219 {
220  HQDN3DContext *s = ctx->priv;
221 
222  av_freep(&s->coefs[0]);
223  av_freep(&s->coefs[1]);
224  av_freep(&s->coefs[2]);
225  av_freep(&s->coefs[3]);
226  av_freep(&s->line);
227  av_freep(&s->frame_prev[0]);
228  av_freep(&s->frame_prev[1]);
229  av_freep(&s->frame_prev[2]);
230 }
231 
233 {
234  static const enum AVPixelFormat pix_fmts[] = {
255  };
256 
258 
259  return 0;
260 }
261 
262 static int config_input(AVFilterLink *inlink)
263 {
264  HQDN3DContext *s = inlink->dst->priv;
266  int i;
267 
268  uninit(inlink->dst);
269 
270  s->hsub = desc->log2_chroma_w;
271  s->vsub = desc->log2_chroma_h;
272  s->depth = desc->comp[0].depth;
273 
274  s->line = av_malloc(inlink->w * sizeof(*s->line));
275  if (!s->line)
276  return AVERROR(ENOMEM);
277 
278  for (i = 0; i < 4; i++) {
279  s->coefs[i] = precalc_coefs(s->strength[i], s->depth);
280  if (!s->coefs[i])
281  return AVERROR(ENOMEM);
282  }
283 
284  if (ARCH_X86)
286 
287  return 0;
288 }
289 
290 static int filter_frame(AVFilterLink *inlink, AVFrame *in)
291 {
292  HQDN3DContext *s = inlink->dst->priv;
293  AVFilterLink *outlink = inlink->dst->outputs[0];
294  AVFrame *out;
295  int c, direct = av_frame_is_writable(in);
296 
297  if (direct) {
298  out = in;
299  } else {
300  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
301  if (!out) {
302  av_frame_free(&in);
303  return AVERROR(ENOMEM);
304  }
305 
306  av_frame_copy_props(out, in);
307  out->width = outlink->w;
308  out->height = outlink->h;
309  }
310 
311  for (c = 0; c < 3; c++) {
312  denoise(s, in->data[c], out->data[c],
313  s->line, &s->frame_prev[c],
314  in->width >> (!!c * s->hsub),
315  in->height >> (!!c * s->vsub),
316  in->linesize[c], out->linesize[c],
317  s->coefs[c?2:0], s->coefs[c?3:1]);
318  }
319 
320  if (!direct)
321  av_frame_free(&in);
322 
323  return ff_filter_frame(outlink, out);
324 }
325 
326 #define OFFSET(x) offsetof(HQDN3DContext, x)
327 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM
328 static const AVOption options[] = {
329  { "luma_spatial", "spatial luma strength", OFFSET(strength[LUMA_SPATIAL]), AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
330  { "chroma_spatial", "spatial chroma strength", OFFSET(strength[CHROMA_SPATIAL]), AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
331  { "luma_tmp", "temporal luma strength", OFFSET(strength[LUMA_TMP]), AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
332  { "chroma_tmp", "temporal chroma strength", OFFSET(strength[CHROMA_TMP]), AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
333  { NULL },
334 };
335 
336 static const AVClass hqdn3d_class = {
337  .class_name = "hqdn3d",
338  .item_name = av_default_item_name,
339  .option = options,
340  .version = LIBAVUTIL_VERSION_INT,
341 };
342 
344  {
345  .name = "default",
346  .type = AVMEDIA_TYPE_VIDEO,
347  .config_props = config_input,
348  .filter_frame = filter_frame,
349  },
350  { NULL }
351 };
352 
354  {
355  .name = "default",
356  .type = AVMEDIA_TYPE_VIDEO
357  },
358  { NULL }
359 };
360 
362  .name = "hqdn3d",
363  .description = NULL_IF_CONFIG_SMALL("Apply a High Quality 3D Denoiser."),
364 
365  .priv_size = sizeof(HQDN3DContext),
366  .priv_class = &hqdn3d_class,
367  .init = init,
368  .uninit = uninit,
370 
371  .inputs = avfilter_vf_hqdn3d_inputs,
372 
373  .outputs = avfilter_vf_hqdn3d_outputs,
374 };
static const AVOption options[]
Definition: vf_hqdn3d.c:328
planar YUV 4:2:2, 18bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
Definition: pixfmt.h:159
void * av_malloc(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
Definition: mem.c:62
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:1768
This structure describes decoded (raw) audio or video data.
Definition: frame.h:140
AVOption.
Definition: opt.h:234
planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
Definition: pixfmt.h:152
static const AVFilterPad avfilter_vf_hqdn3d_inputs[]
Definition: vf_hqdn3d.c:343
static const AVFilterPad avfilter_vf_hqdn3d_outputs[]
Definition: vf_hqdn3d.c:353
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:64
static const AVFilterPad outputs[]
Definition: af_ashowinfo.c:259
Main libavfilter public API header.
const char * desc
Definition: nvenc.c:101
#define LUMA_SPATIAL
Definition: vf_hqdn3d.h:38
planar YUV 4:4:4, 27bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
Definition: pixfmt.h:155
av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (%s)\, len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt), use_generic ? ac->func_descr_generic :ac->func_descr)
#define FLAGS
Definition: vf_hqdn3d.c:327
planar YUV 4:2:0, 13.5bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
Definition: pixfmt.h:149
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:57
uint16_t * line
Definition: vf_hqdn3d.h:30
planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
Definition: pixfmt.h:128
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:35
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:91
void ff_hqdn3d_init_x86(HQDN3DContext *hqdn3d)
Macro definitions for various function/variable attributes.
void av_freep(void *arg)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer ...
Definition: mem.c:202
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:165
const char * name
Pad name.
Definition: internal.h:41
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:39
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:747
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:119
uint8_t
#define av_cold
Definition: attributes.h:66
uint16_t * frame_prev[3]
Definition: vf_hqdn3d.h:31
AVOptions.
#define AV_NE(be, le)
Definition: common.h:46
#define emms_c()
Definition: internal.h:48
#define PARAM1_DEFAULT
Definition: vf_hqdn3d.c:194
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
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range...
Definition: pixfmt.h:97
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:72
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:140
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:389
AVFilter ff_vf_hqdn3d
Definition: vf_hqdn3d.c:361
#define CHROMA_SPATIAL
Definition: vf_hqdn3d.h:40
A filter pad used for either input or output.
Definition: internal.h:35
planar YUV 4:2:0, 13.5bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
Definition: pixfmt.h:150
#define src
Definition: vp8dsp.c:254
planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
Definition: pixfmt.h:158
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:179
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:100
#define LOAD(x)
Definition: vf_hqdn3d.c:45
#define ARCH_X86
Definition: config.h:33
planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
Definition: pixfmt.h:133
#define AVERROR(e)
Definition: error.h:43
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:80
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:148
int16_t * coefs[4]
Definition: vf_hqdn3d.h:29
void * priv
private data for use by the filter
Definition: avfilter.h:277
planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
Definition: pixfmt.h:154
double strength[4]
Definition: vf_hqdn3d.h:32
planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
Definition: pixfmt.h:131
static int config_input(AVFilterLink *inlink)
Definition: vf_hqdn3d.c:262
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:63
#define FFMIN(a, b)
Definition: common.h:66
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:71
AVFormatContext * ctx
Definition: movenc.c:48
static av_always_inline int 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
#define FFABS(a)
Definition: common.h:61
static av_always_inline uint32_t lowpass(int prev, int cur, int16_t *coef, int depth)
Definition: vf_hqdn3d.c:51
planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
Definition: pixfmt.h:151
planar YUV 4:2:2, 18bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
Definition: pixfmt.h:160
LIBAVUTIL_VERSION_INT
Definition: eval.c:55
#define OFFSET(x)
Definition: vf_hqdn3d.c:326
NULL
Definition: eval.c:55
planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
Definition: pixfmt.h:129
int av_frame_is_writable(AVFrame *frame)
Check if the frame data is writable.
Definition: frame.c:328
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:158
av_default_item_name
Definition: dnxhdenc.c:55
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:80
#define LUMA_TMP
Definition: vf_hqdn3d.h:39
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;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);return NULL;} return ac;} in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar) { ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar ? ac->channels :1;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:65
#define LUT_BITS
Definition: vf_hqdn3d.c:44
#define CHROMA_TMP
Definition: vf_hqdn3d.h:41
Describe the class of an AVClass context structure.
Definition: log.h:34
Filter definition.
Definition: avfilter.h:120
static const AVFilterPad inputs[]
Definition: af_ashowinfo.c:248
static av_always_inline av_const long int lrint(double x)
Definition: libm.h:137
const char * name
Filter name.
Definition: avfilter.h:124
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:274
#define PARAM3_DEFAULT
Definition: vf_hqdn3d.c:196
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:257
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_hqdn3d.c:290
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:146
planar YUV 4:4:4, 27bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
Definition: pixfmt.h:156
planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
Definition: pixfmt.h:132
#define PARAM2_DEFAULT
Definition: vf_hqdn3d.c:195
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:59
common internal and external API header
planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
Definition: pixfmt.h:130
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:73
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:66
static const AVClass hqdn3d_class
Definition: vf_hqdn3d.c:336
static av_cold int init(AVFilterContext *ctx)
Definition: vf_hqdn3d.c:198
static uint8_t tmp[8]
Definition: des.c:38
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_hqdn3d.c:218
An instance of a filter.
Definition: avfilter.h:262
#define denoise(...)
Definition: vf_hqdn3d.c:156
int height
Definition: frame.h:179
FILE * out
Definition: movenc.c:54
static int16_t * precalc_coefs(double dist25, int depth)
Definition: vf_hqdn3d.c:173
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:96
#define av_always_inline
Definition: attributes.h:40
internal API functions
int depth
Number of bits in the component.
Definition: pixdesc.h:57
AVPixelFormat
Pixel format.
Definition: pixfmt.h:57
static int query_formats(AVFilterContext *ctx)
Definition: vf_hqdn3d.c:232
planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
Definition: pixfmt.h:157
#define STORE(x, val)
Definition: vf_hqdn3d.c:47
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:386
planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
Definition: pixfmt.h:153