80 int threshold,
const uint8_t *coordinates[],
int coord,
85 for (x = 0; x <
width; x++) {
87 int limit =
FFMAX(
min - threshold, 0);
89 for (
i = 0;
i < 8;
i++) {
90 if (coord & (1 <<
i)) {
101 int threshold,
const uint8_t *coordinates[],
int coord,
104 uint16_t *dst = (uint16_t *)dstp;
107 for (x = 0; x <
width; x++) {
109 int limit =
FFMAX(
min - threshold, 0);
111 for (
i = 0;
i < 8;
i++) {
112 if (coord & (1 <<
i)) {
123 int threshold,
const uint8_t *coordinates[],
int coord,
128 for (x = 0; x <
width; x++) {
130 int limit =
FFMIN(
max + threshold, 255);
132 for (
i = 0;
i < 8;
i++) {
133 if (coord & (1 <<
i)) {
144 int threshold,
const uint8_t *coordinates[],
int coord,
147 uint16_t *dst = (uint16_t *)dstp;
150 for (x = 0; x <
width; x++) {
152 int limit =
FFMIN(
max + threshold, maxc);
154 for (
i = 0;
i < 8;
i++) {
155 if (coord & (1 <<
i)) {
166 int threshold,
const uint8_t *coordinates[],
int coord,
171 for (x = 0; x <
width; x++) {
173 int limit =
FFMAX(p1[x] - threshold, 0);
175 for (
i = 0;
i < 8; sum += *(coordinates[
i++] + x));
182 int threshold,
const uint8_t *coordinates[],
int coord,
185 uint16_t *dst = (uint16_t *)dstp;
188 for (x = 0; x <
width; x++) {
192 for (
i = 0;
i < 8; sum +=
AV_RN16A(coordinates[
i++] + x * 2));
199 int threshold,
const uint8_t *coordinates[],
int coord,
204 for (x = 0; x <
width; x++) {
206 int limit =
FFMIN(p1[x] + threshold, 255);
208 for (
i = 0;
i < 8; sum += *(coordinates[
i++] + x));
215 int threshold,
const uint8_t *coordinates[],
int coord,
218 uint16_t *dst = (uint16_t *)dstp;
221 for (x = 0; x <
width; x++) {
225 for (
i = 0;
i < 8; sum +=
AV_RN16A(coordinates[
i++] + x * 2));
237 s->depth =
desc->comp[0].depth;
238 s->max = (1 <<
s->depth) - 1;
239 s->bpc = (
s->depth + 7) / 8;
242 s->planewidth[0] =
s->planewidth[3] = inlink->
w;
244 s->planeheight[0] =
s->planeheight[3] = inlink->
h;
248 if (!strcmp(
ctx->filter->name,
"erosion"))
250 else if (!strcmp(
ctx->filter->name,
"dilation"))
252 else if (!strcmp(
ctx->filter->name,
"deflate"))
254 else if (!strcmp(
ctx->filter->name,
"inflate"))
268 for (plane = 0; plane <
s->nb_planes; plane++) {
269 const int bpc =
s->bpc;
270 const int threshold =
s->threshold[plane];
271 const int stride =
in->linesize[plane];
272 const int dstride =
out->linesize[plane];
273 const int height =
s->planeheight[plane];
274 const int width =
s->planewidth[plane];
275 const int slice_start = (
height * jobnr) / nb_jobs;
278 uint8_t *dst =
out->data[plane] + slice_start * dstride;
285 for (y = slice_start; y <
slice_end; y++) {
286 const int nh = y > 0;
287 const int ph = y <
height - 1;
293 src + 1 * bpc,
src + 1 * bpc,
300 s->filter(dst,
src, 1, threshold, coordinateslb,
s->coordinates,
s->max);
302 s->filter(dst + 1 * bpc,
src + 1 * bpc,
width - 2, threshold, coordinates,
s->coordinates,
s->max);
303 s->filter(dst + (
width - 1) * bpc,
src + (
width - 1) * bpc, 1, threshold, coordinatesrb,
s->coordinates,
s->max);
355 #define OFFSET(x) offsetof(NContext, x)
356 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
358 #define DEFINE_NEIGHBOR_FILTER(name_, description_) \
359 AVFILTER_DEFINE_CLASS(name_); \
361 AVFilter ff_vf_##name_ = { \
363 .description = NULL_IF_CONFIG_SMALL(description_), \
364 .priv_size = sizeof(NContext), \
365 .priv_class = &name_##_class, \
366 .query_formats = query_formats, \
367 .inputs = neighbor_inputs, \
368 .outputs = neighbor_outputs, \
369 .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC| \
370 AVFILTER_FLAG_SLICE_THREADS, \
371 .process_command = ff_filter_process_command, \
376 #define DEINFLATE_OPTIONS_OFFSET (CONFIG_EROSION_FILTER || CONFIG_DILATION_FILTER)
378 #if CONFIG_EROSION_FILTER || CONFIG_DILATION_FILTER
388 #if CONFIG_EROSION_FILTER
390 #define erosion_options options
395 #if CONFIG_DILATION_FILTER
397 #define dilation_options options
402 #if CONFIG_DEFLATE_FILTER
404 #define deflate_options &options[DEINFLATE_OPTIONS_OFFSET]
409 #if CONFIG_INFLATE_FILTER
411 #define inflate_options &options[DEINFLATE_OPTIONS_OFFSET]
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_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Main libavfilter public API header.
#define AV_CEIL_RSHIFT(a, b)
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.
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.
common internal API header
static enum AVPixelFormat pix_fmts[]
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
#define AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV440P12
#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_YUV422P10
#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_YUVA422P12
#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_GBRAP10
#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_YUVA444P12
#define AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV444P10
typedef void(RENAME(mix_any_func_type))
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.
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...
void(* filter)(uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
Used for passing data between threads.
static void erosion(uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static void deflate(uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
static void erosion16(uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
static const AVOption options[]
static void inflate(uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
#define DEFINE_NEIGHBOR_FILTER(name_, description_)
static void dilation(uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
static int query_formats(AVFilterContext *ctx)
static int config_input(AVFilterLink *inlink)
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
static void dilation16(uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
static void deflate16(uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
static void inflate16(uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
static const AVFilterPad neighbor_inputs[]
static const AVFilterPad neighbor_outputs[]
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.