56 #define OFFSET(x) offsetof(BilateralContext, x) 57 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM 98 float inv_sigma_range;
101 inv_sigma_range = 1.0f / (s->
sigmaR * ((1 << s->
depth) - 1));
104 for (
int i = 0;
i < (1 << s->
depth);
i++)
136 #define BILATERAL(type, name) \ 137 static void bilateral_##name(BilateralContext *s, const uint8_t *ssrc, uint8_t *ddst, \ 138 float sigma_spatial, float sigma_range, \ 139 int width, int height, int src_linesize, int dst_linesize) \ 141 type *dst = (type *)ddst; \ 142 const type *src = (const type *)ssrc; \ 143 float *img_out_f = s->img_out_f, *img_temp = s->img_temp; \ 144 float *map_factor_a = s->map_factor_a, *map_factor_b = s->map_factor_b; \ 145 float *slice_factor_a = s->slice_factor_a, *slice_factor_b = s->slice_factor_b; \ 146 float *line_factor_a = s->line_factor_a, *line_factor_b = s->line_factor_b; \ 147 float *range_table = s->range_table; \ 148 float alpha = expf(-sqrtf(2.f) / (sigma_spatial * width)); \ 149 float ypr, ycr, *ycy, *ypy, *xcy, fp, fc; \ 150 float inv_alpha_ = 1 - alpha; \ 151 float *ycf, *ypf, *xcf, *in_factor; \ 152 const type *tcy, *tpy; \ 155 for (int y = 0; y < height; y++) { \ 156 float *temp_factor_x, *temp_x = &img_temp[y * width]; \ 157 const type *in_x = &src[y * src_linesize]; \ 158 const type *texture_x = &src[y * src_linesize]; \ 161 *temp_x++ = ypr = *in_x++; \ 162 tpr = *texture_x++; \ 164 temp_factor_x = &map_factor_a[y * width]; \ 165 *temp_factor_x++ = fp = 1; \ 167 for (int x = 1; x < width; x++) { \ 168 float weight, alpha_; \ 170 type tcr = *texture_x++; \ 171 type dr = abs(tcr - tpr); \ 174 weight = range_table[range_dist]; \ 175 alpha_ = weight*alpha; \ 176 *temp_x++ = ycr = inv_alpha_*(*in_x++) + alpha_*ypr; \ 179 *temp_factor_x++ = fc = inv_alpha_ + alpha_ * fp; \ 182 --temp_x; *temp_x = 0.5f*((*temp_x) + (*--in_x)); \ 183 tpr = *--texture_x; \ 186 --temp_factor_x; *temp_factor_x = 0.5f*((*temp_factor_x) + 1); \ 189 for (int x = width - 2; x >= 0; x--) { \ 190 type tcr = *--texture_x; \ 191 type dr = abs(tcr - tpr); \ 192 int range_dist = dr; \ 193 float weight = range_table[range_dist]; \ 194 float alpha_ = weight * alpha; \ 196 ycr = inv_alpha_ * (*--in_x) + alpha_ * ypr; \ 197 --temp_x; *temp_x = 0.5f*((*temp_x) + ycr); \ 201 fc = inv_alpha_ + alpha_*fp; \ 203 *temp_factor_x = 0.5f*((*temp_factor_x) + fc); \ 207 memcpy(img_out_f, img_temp, sizeof(float) * width); \ 209 alpha = expf(-sqrtf(2.f) / (sigma_spatial * height)); \ 210 inv_alpha_ = 1 - alpha; \ 211 in_factor = map_factor_a; \ 212 memcpy(map_factor_b, in_factor, sizeof(float) * width); \ 213 for (int y = 1; y < height; y++) { \ 214 tpy = &src[(y - 1) * src_linesize]; \ 215 tcy = &src[y * src_linesize]; \ 216 xcy = &img_temp[y * width]; \ 217 ypy = &img_out_f[(y - 1) * width]; \ 218 ycy = &img_out_f[y * width]; \ 220 xcf = &in_factor[y * width]; \ 221 ypf = &map_factor_b[(y - 1) * width]; \ 222 ycf = &map_factor_b[y * width]; \ 223 for (int x = 0; x < width; x++) { \ 224 type dr = abs((*tcy++) - (*tpy++)); \ 225 int range_dist = dr; \ 226 float weight = range_table[range_dist]; \ 227 float alpha_ = weight*alpha; \ 229 *ycy++ = inv_alpha_*(*xcy++) + alpha_*(*ypy++); \ 230 *ycf++ = inv_alpha_*(*xcf++) + alpha_*(*ypf++); \ 234 ycf = line_factor_a; \ 235 ypf = line_factor_b; \ 236 memcpy(ypf, &in_factor[h1 * width], sizeof(float) * width); \ 237 for (int x = 0; x < width; x++) \ 238 map_factor_b[h1 * width + x] = 0.5f*(map_factor_b[h1 * width + x] + ypf[x]); \ 240 ycy = slice_factor_a; \ 241 ypy = slice_factor_b; \ 242 memcpy(ypy, &img_temp[h1 * width], sizeof(float) * width); \ 243 for (int x = 0, k = 0; x < width; x++) { \ 244 int idx = h1 * width + x; \ 245 img_out_f[idx] = 0.5f*(img_out_f[idx] + ypy[k++]) / map_factor_b[h1 * width + x]; \ 248 for (int y = h1 - 1; y >= 0; y--) { \ 249 float *ycf_, *ypf_, *factor_; \ 250 float *ycy_, *ypy_, *out_; \ 252 tpy = &src[(y + 1) * src_linesize]; \ 253 tcy = &src[y * src_linesize]; \ 254 xcy = &img_temp[y * width]; \ 257 out_ = &img_out_f[y * width]; \ 259 xcf = &in_factor[y * width]; \ 262 factor_ = &map_factor_b[y * width]; \ 263 for (int x = 0; x < width; x++) { \ 264 type dr = abs((*tcy++) - (*tpy++)); \ 265 int range_dist = dr; \ 266 float weight = range_table[range_dist]; \ 267 float alpha_ = weight*alpha; \ 268 float ycc, fcc = inv_alpha_*(*xcf++) + alpha_*(*ypf_++); \ 271 *factor_ = 0.5f * (*factor_ + fcc); \ 273 ycc = inv_alpha_*(*xcy++) + alpha_*(*ypy_++); \ 275 *out_ = 0.5f * (*out_ + ycc) / (*factor_); \ 280 memcpy(ypy, ycy, sizeof(float) * width); \ 281 memcpy(ypf, ycf, sizeof(float) * width); \ 284 for (int i = 0; i < height; i++) \ 285 for (int j = 0; j < width; j++) \ 286 dst[j + i * dst_linesize] = img_out_f[i * width + j]; \ 306 for (
int plane = 0; plane < s->
nb_planes; plane++) {
307 if (!(s->
planes & (1 << plane))) {
309 in->data[plane], in->linesize[plane],
317 in->linesize[plane], out->
linesize[plane]);
321 in->linesize[plane] / 2, out->
linesize[plane] / 2);
364 .priv_class = &bilateral_class,
367 .
inputs = bilateral_inputs,
#define AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_YUVA422P9
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
This structure describes decoded (raw) audio or video data.
#define AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_GBRAP10
#define AV_PIX_FMT_YUVA422P10
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
Main libavfilter public API header.
int h
agreed upon image height
#define AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_YUV420P12
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
void * av_calloc(size_t nmemb, size_t size)
Non-inlined equivalent of av_mallocz_array().
#define AV_PIX_FMT_GRAY10
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
static av_cold void uninit(AVFilterContext *ctx)
const char * name
Pad name.
#define AV_PIX_FMT_GRAY12
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
static const AVOption bilateral_options[]
#define AV_PIX_FMT_YUVA420P9
static int config_input(AVFilterLink *inlink)
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range...
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
#define AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUVA420P16
A filter pad used for either input or output.
A link between two filters.
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
#define i(width, name, range_min, range_max)
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
void * priv
private data for use by the filter
#define AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_GBRAP16
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
#define BILATERAL(type, name)
int w
agreed upon image width
#define AV_PIX_FMT_YUV422P9
static const AVFilterPad bilateral_inputs[]
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
#define AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_GRAY16
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
AVFILTER_DEFINE_CLASS(bilateral)
#define AV_PIX_FMT_YUVA444P10
static const AVFilterPad inputs[]
#define AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_GBRP14
static const AVFilterPad outputs[]
int format
agreed upon media format
#define AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV420P14
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
#define AV_PIX_FMT_GRAY14
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
#define AV_PIX_FMT_YUV420P10
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Describe the class of an AVClass context structure.
const char * name
Filter name.
#define AV_PIX_FMT_YUV440P12
#define AV_PIX_FMT_YUV420P9
AVFilterLink ** outputs
array of pointers to output links
static enum AVPixelFormat pix_fmts[]
#define AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_GBRP12
#define flags(name, subs,...)
#define AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV444P12
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
static const AVFilterPad bilateral_outputs[]
planar GBRA 4:4:4:4 32bpp
#define AV_PIX_FMT_YUVA444P9
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
AVFilterContext * dst
dest filter
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
static int query_formats(AVFilterContext *ctx)
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
void av_image_copy_plane(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize, int bytewidth, int height)
Copy image plane from src to dst.
int depth
Number of bits in the component.
AVPixelFormat
Pixel format.
#define AV_PIX_FMT_YUV422P16
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
#define AV_CEIL_RSHIFT(a, b)