81 for (x = 0; x <
width; x++) {
83 int limit =
FFMAX(min - threshold, 0);
85 for (i = 0; i < 8; i++) {
86 if (coord & (1 << i)) {
87 min =
FFMIN(min, *(coordinates[i] + x));
89 min =
FFMAX(min, limit);
99 uint16_t *
dst = (uint16_t *)dstp;
102 for (x = 0; x <
width; x++) {
104 int limit =
FFMAX(min - threshold, 0);
106 for (i = 0; i < 8; i++) {
107 if (coord & (1 << i)) {
110 min =
FFMAX(min, limit);
122 for (x = 0; x <
width; x++) {
124 int limit =
FFMIN(max + threshold, 255);
126 for (i = 0; i < 8; i++) {
127 if (coord & (1 << i)) {
128 max =
FFMAX(max, *(coordinates[i] + x));
130 max =
FFMIN(max, limit);
140 uint16_t *
dst = (uint16_t *)dstp;
143 for (x = 0; x <
width; x++) {
145 int limit =
FFMIN(max + threshold, 255);
147 for (i = 0; i < 8; i++) {
148 if (coord & (1 << i)) {
151 max =
FFMIN(max, limit);
163 for (x = 0; x <
width; x++) {
165 int limit =
FFMAX(p1[x] - threshold, 0);
167 for (i = 0; i < 8; sum += *(coordinates[i++] + x));
176 uint16_t *
dst = (uint16_t *)dstp;
179 for (x = 0; x <
width; x++) {
183 for (i = 0; i < 8; sum +=
AV_RN16A(coordinates[i++] + x * 2));
194 for (x = 0; x <
width; x++) {
196 int limit =
FFMIN(p1[x] + threshold, 255);
198 for (i = 0; i < 8; sum += *(coordinates[i++] + x));
207 uint16_t *
dst = (uint16_t *)dstp;
210 for (x = 0; x <
width; x++) {
214 for (i = 0; i < 8; sum +=
AV_RN16A(coordinates[i++] + x * 2));
238 else if (!strcmp(ctx->
filter->
name,
"dilation"))
240 else if (!strcmp(ctx->
filter->
name,
"deflate"))
242 else if (!strcmp(ctx->
filter->
name,
"inflate"))
256 for (plane = 0; plane < s->
nb_planes; plane++) {
257 const int bpc = s->
bpc;
263 const int slice_start = (height * jobnr) / nb_jobs;
264 const int slice_end = (height * (jobnr+1)) / nb_jobs;
273 for (y = slice_start; y <
slice_end; y++) {
274 const int nh = y > 0;
275 const int ph = y < height - 1;
278 src + ph *
stride, src + 1 * bpc + ph *
stride, src + 2 * bpc + ph * stride};
281 src + 1 * bpc, src + 1 * bpc,
282 src + 1 * bpc + ph *
stride, src + ph *
stride, src + 1 * bpc + ph * stride};
284 const uint8_t *coordinatesrb[] = { src + (width - 2) * bpc - nh * stride, src + (width - 1) * bpc - nh *
stride, src + (width - 2) * bpc - nh * stride,
285 src + (width - 2) * bpc, src + (width - 2) * bpc,
286 src + (width - 2) * bpc + ph *
stride, src + (width - 1) * bpc + ph * stride, src + (width - 2) * bpc + ph * stride};
291 s->
filter(
dst + (width - 1) * bpc, src + (width - 1) * bpc, 1, threshold, coordinatesrb, s->
coordinates);
343 #define OFFSET(x) offsetof(NContext, x) 344 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM 346 #define DEFINE_NEIGHBOR_FILTER(name_, description_) \ 347 AVFILTER_DEFINE_CLASS(name_); \ 349 AVFilter ff_vf_##name_ = { \ 351 .description = NULL_IF_CONFIG_SMALL(description_), \ 352 .priv_size = sizeof(NContext), \ 353 .priv_class = &name_##_class, \ 354 .query_formats = query_formats, \ 355 .inputs = neighbor_inputs, \ 356 .outputs = neighbor_outputs, \ 357 .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC| \ 358 AVFILTER_FLAG_SLICE_THREADS, \ 361 #if CONFIG_EROSION_FILTER 363 static const AVOption erosion_options[] = {
376 #if CONFIG_DILATION_FILTER 378 static const AVOption dilation_options[] = {
391 #if CONFIG_DEFLATE_FILTER 393 static const AVOption deflate_options[] = {
405 #if CONFIG_INFLATE_FILTER 407 static const AVOption inflate_options[] = {
static void dilation(uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord)
#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.
#define AV_PIX_FMT_GRAY10
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.
static void filter(int16_t *output, ptrdiff_t out_stride, int16_t *low, ptrdiff_t low_stride, int16_t *high, ptrdiff_t high_stride, int len, int clip)
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 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)
#define AV_PIX_FMT_YUVA420P9
static void inflate(uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord)
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...
static const AVFilterPad neighbor_outputs[]
#define AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUVA420P16
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
A filter pad used for either input or output.
A link between two filters.
static void erosion16(uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord)
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
#define i(width, name, range_min, range_max)
static void inflate16(uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord)
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.
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)
int w
agreed upon image width
#define AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_GBRP16
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
#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...
void(* filter)(uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord)
#define AV_PIX_FMT_YUVA444P10
#define AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_GBRP14
int format
agreed upon media format
#define AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV420P14
typedef void(RENAME(mix_any_func_type))
Used for passing data between threads.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
static int query_formats(AVFilterContext *ctx)
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
#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.
static void dilation16(uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord)
static void erosion(uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord)
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
AVFilterInternal * internal
An opaque struct for libavfilter internal use.
#define AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV444P12
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
static int config_input(AVFilterLink *inlink)
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
static const AVFilterPad neighbor_inputs[]
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...
static void deflate16(uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord)
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
#define DEFINE_NEIGHBOR_FILTER(name_, description_)
avfilter_execute_func * execute
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
AVFilterContext * dst
dest filter
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
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.
const AVFilter * filter
the AVFilter of which this is an instance
#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)