51 #define OFFSET(x) offsetof(DebandContext, x)
52 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
120 const float r =
sinf(x * 12.9898f + y * 78.233f) * 43758.545f;
125 static int inline get_avg(
int ref0,
int ref1,
int ref2,
int ref3)
127 return (ref0 + ref1 + ref2 + ref3) / 4;
142 for (p = 0; p <
s->nb_components; p++) {
145 const int dst_linesize =
out->linesize[p];
146 const int src_linesize =
in->linesize[p];
147 const int thr =
s->thr[p];
148 const int start = (
s->planeheight[p] * jobnr ) / nb_jobs;
149 const int end = (
s->planeheight[p] * (jobnr+1)) / nb_jobs;
150 const int w =
s->planewidth[p] - 1;
151 const int h =
s->planeheight[p] - 1;
153 for (y = start; y < end; y++) {
154 const int pos = y *
s->planewidth[0];
156 for (x = 0; x <
s->planewidth[p]; x++) {
157 const int x_pos =
s->x_pos[
pos + x];
158 const int y_pos =
s->y_pos[
pos + x];
159 const int ref0 = src_ptr[
av_clip(y + y_pos, 0,
h) * src_linesize +
av_clip(x + x_pos, 0,
w)];
160 const int ref1 = src_ptr[
av_clip(y + -y_pos, 0,
h) * src_linesize +
av_clip(x + x_pos, 0,
w)];
161 const int ref2 = src_ptr[
av_clip(y + -y_pos, 0,
h) * src_linesize +
av_clip(x + -x_pos, 0,
w)];
162 const int ref3 = src_ptr[
av_clip(y + y_pos, 0,
h) * src_linesize +
av_clip(x + -x_pos, 0,
w)];
163 const int src0 = src_ptr[y * src_linesize + x];
166 const int avg =
get_avg(ref0, ref1, ref2, ref3);
169 dst_ptr[y * dst_linesize + x] =
diff < thr ?
avg :
src0;
171 dst_ptr[y * dst_linesize + x] = (
FFABS(
src0 - ref0) < thr) &&
189 const int start = (
s->planeheight[0] * jobnr ) / nb_jobs;
190 const int end = (
s->planeheight[0] * (jobnr+1)) / nb_jobs;
193 for (y = start; y < end; y++) {
194 const int pos = y *
s->planewidth[0];
196 for (x = 0; x <
s->planewidth[0]; x++) {
197 const int x_pos =
s->x_pos[
pos + x];
198 const int y_pos =
s->y_pos[
pos + x];
201 for (p = 0; p <
s->nb_components; p++) {
203 const int src_linesize =
in->linesize[p];
204 const int thr =
s->thr[p];
205 const int w =
s->planewidth[p] - 1;
206 const int h =
s->planeheight[p] - 1;
207 const int ref0 = src_ptr[
av_clip(y + y_pos, 0,
h) * src_linesize +
av_clip(x + x_pos, 0,
w)];
208 const int ref1 = src_ptr[
av_clip(y + -y_pos, 0,
h) * src_linesize +
av_clip(x + x_pos, 0,
w)];
209 const int ref2 = src_ptr[
av_clip(y + -y_pos, 0,
h) * src_linesize +
av_clip(x + -x_pos, 0,
w)];
210 const int ref3 = src_ptr[
av_clip(y + y_pos, 0,
h) * src_linesize +
av_clip(x + -x_pos, 0,
w)];
211 const int src0 = src_ptr[y * src_linesize + x];
226 for (p = 0; p <
s->nb_components; p++)
229 if (p ==
s->nb_components) {
230 for (p = 0; p <
s->nb_components; p++) {
231 const int dst_linesize =
out->linesize[p];
233 out->data[p][y * dst_linesize + x] =
avg[p];
236 for (p = 0; p <
s->nb_components; p++) {
237 const int dst_linesize =
out->linesize[p];
239 out->data[p][y * dst_linesize + x] =
src[p];
254 const int start = (
s->planeheight[0] * jobnr ) / nb_jobs;
255 const int end = (
s->planeheight[0] * (jobnr+1)) / nb_jobs;
258 for (y = start; y < end; y++) {
259 const int pos = y *
s->planewidth[0];
261 for (x = 0; x <
s->planewidth[0]; x++) {
262 const int x_pos =
s->x_pos[
pos + x];
263 const int y_pos =
s->y_pos[
pos + x];
266 for (p = 0; p <
s->nb_components; p++) {
267 const uint16_t *src_ptr = (
const uint16_t *)
in->data[p];
268 const int src_linesize =
in->linesize[p] / 2;
269 const int thr =
s->thr[p];
270 const int w =
s->planewidth[p] - 1;
271 const int h =
s->planeheight[p] - 1;
272 const int ref0 = src_ptr[
av_clip(y + y_pos, 0,
h) * src_linesize +
av_clip(x + x_pos, 0,
w)];
273 const int ref1 = src_ptr[
av_clip(y + -y_pos, 0,
h) * src_linesize +
av_clip(x + x_pos, 0,
w)];
274 const int ref2 = src_ptr[
av_clip(y + -y_pos, 0,
h) * src_linesize +
av_clip(x + -x_pos, 0,
w)];
275 const int ref3 = src_ptr[
av_clip(y + y_pos, 0,
h) * src_linesize +
av_clip(x + -x_pos, 0,
w)];
276 const int src0 = src_ptr[y * src_linesize + x];
291 for (z = 0; z <
s->nb_components; z++)
294 if (z ==
s->nb_components) {
295 for (p = 0; p <
s->nb_components; p++) {
296 const int dst_linesize =
out->linesize[p] / 2;
297 uint16_t *dst = (uint16_t *)
out->data[p] + y * dst_linesize + x;
302 for (p = 0; p <
s->nb_components; p++) {
303 const int dst_linesize =
out->linesize[p] / 2;
304 uint16_t *dst = (uint16_t *)
out->data[p] + y * dst_linesize + x;
323 for (p = 0; p <
s->nb_components; p++) {
324 const uint16_t *src_ptr = (
const uint16_t *)
in->data[p];
325 uint16_t *dst_ptr = (uint16_t *)
out->data[p];
326 const int dst_linesize =
out->linesize[p] / 2;
327 const int src_linesize =
in->linesize[p] / 2;
328 const int thr =
s->thr[p];
329 const int start = (
s->planeheight[p] * jobnr ) / nb_jobs;
330 const int end = (
s->planeheight[p] * (jobnr+1)) / nb_jobs;
331 const int w =
s->planewidth[p] - 1;
332 const int h =
s->planeheight[p] - 1;
334 for (y = start; y < end; y++) {
335 const int pos = y *
s->planewidth[0];
337 for (x = 0; x <
s->planewidth[p]; x++) {
338 const int x_pos =
s->x_pos[
pos + x];
339 const int y_pos =
s->y_pos[
pos + x];
340 const int ref0 = src_ptr[
av_clip(y + y_pos, 0,
h) * src_linesize +
av_clip(x + x_pos, 0,
w)];
341 const int ref1 = src_ptr[
av_clip(y + -y_pos, 0,
h) * src_linesize +
av_clip(x + x_pos, 0,
w)];
342 const int ref2 = src_ptr[
av_clip(y + -y_pos, 0,
h) * src_linesize +
av_clip(x + -x_pos, 0,
w)];
343 const int ref3 = src_ptr[
av_clip(y + y_pos, 0,
h) * src_linesize +
av_clip(x + -x_pos, 0,
w)];
344 const int src0 = src_ptr[y * src_linesize + x];
347 const int avg =
get_avg(ref0, ref1, ref2, ref3);
350 dst_ptr[y * dst_linesize + x] =
diff < thr ?
avg :
src0;
352 dst_ptr[y * dst_linesize + x] = (
FFABS(
src0 - ref0) < thr) &&
369 const float direction =
s->direction;
370 const int range =
s->range;
373 s->nb_components =
desc->nb_components;
376 s->planeheight[0] =
s->planeheight[3] = inlink->
h;
378 s->planewidth[0] =
s->planewidth[3] = inlink->
w;
379 s->shift[0] =
desc->log2_chroma_w;
380 s->shift[1] =
desc->log2_chroma_h;
387 s->thr[0] = ((1 <<
desc->comp[0].depth) - 1) *
s->threshold[0];
388 s->thr[1] = ((1 <<
desc->comp[1].depth) - 1) *
s->threshold[1];
389 s->thr[2] = ((1 <<
desc->comp[2].depth) - 1) *
s->threshold[2];
390 s->thr[3] = ((1 <<
desc->comp[3].depth) - 1) *
s->threshold[3];
393 s->x_pos =
av_malloc(
s->planewidth[0] *
s->planeheight[0] *
sizeof(*
s->x_pos));
395 s->y_pos =
av_malloc(
s->planewidth[0] *
s->planeheight[0] *
sizeof(*
s->y_pos));
396 if (!
s->x_pos || !
s->y_pos)
399 for (y = 0; y <
s->planeheight[0]; y++) {
400 for (x = 0; x <
s->planewidth[0]; x++) {
401 const float r =
frand(x, y);
402 const float dir = direction < 0 ? -direction :
r * direction;
403 const int dist = range < 0 ? -range :
r * range;
405 s->x_pos[y *
s->planewidth[0] + x] =
cosf(dir) * dist;
406 s->y_pos[y *
s->planewidth[0] + x] =
sinf(dir) * dist;
438 char *res,
int res_len,
int flags)
478 .priv_class = &deband_class,
static const AVFilterPad inputs[]
static const AVFilterPad outputs[]
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)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
int ff_filter_process_command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)
Generic processing of user supplied commands that are set in the same way as the filter options.
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Main libavfilter public API header.
#define flags(name, subs,...)
#define AV_CEIL_RSHIFT(a, b)
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
static __device__ float floorf(float a)
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static enum AVPixelFormat pix_fmts[]
static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags)
compares a block (either a full macroblock or a partition thereof) against a proposed motion-compensa...
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
#define AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_GBRAP16
#define AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUVA444P10
#define AV_PIX_FMT_YUVA420P16
#define AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUVA422P9
#define AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GRAY12
#define AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUVA420P9
#define AV_PIX_FMT_YUVA422P10
#define AV_PIX_FMT_YUV420P14
AVPixelFormat
Pixel format.
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
@ AV_PIX_FMT_YUVJ440P
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
@ AV_PIX_FMT_YUVJ411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
@ AV_PIX_FMT_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
#define AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_GRAY10
#define AV_PIX_FMT_GRAY14
#define AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_GRAY16
#define AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUVA444P9
#define AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_YUV444P16
Describe the class of an AVClass context structure.
A link between two filters.
int w
agreed upon image width
int h
agreed upon image height
AVFilterContext * dst
dest filter
int format
agreed upon media format
A filter pad used for either input or output.
const char * name
Pad name.
const char * name
Filter name.
AVFormatInternal * internal
An opaque field for libavformat internal usage.
This structure describes decoded (raw) audio or video data.
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
int(* deband)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Used for passing data between threads.
static void blur(uint8_t *dst, int dst_step, const uint8_t *src, int src_step, int len, int radius, int pixsize)
static float frand(int x, int y)
static const AVFilterPad avfilter_vf_deband_outputs[]
static int deband_16_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
AVFILTER_DEFINE_CLASS(deband)
static int query_formats(AVFilterContext *ctx)
static int config_input(AVFilterLink *inlink)
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
static int deband_8_coupling_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int get_avg(int ref0, int ref1, int ref2, int ref3)
static int deband_16_coupling_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
static av_cold void uninit(AVFilterContext *ctx)
static int deband_8_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static const AVOption deband_options[]
static const AVFilterPad avfilter_vf_deband_inputs[]
static av_always_inline int diff(const uint32_t a, const uint32_t b)
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.