26 #include <opencv/cv.h>
27 #include <opencv/cxcore.h>
40 int depth, channels_nb;
43 else if (pixfmt ==
AV_PIX_FMT_BGRA) { depth = IPL_DEPTH_8U; channels_nb = 4; }
44 else if (pixfmt ==
AV_PIX_FMT_BGR24) { depth = IPL_DEPTH_8U; channels_nb = 3; }
47 tmpimg = cvCreateImageHeader((CvSize){frame->
width, frame->
height}, depth, channels_nb);
49 img->imageData = img->imageDataOrigin = frame->
data[0];
50 img->dataOrder = IPL_DATA_ORDER_PIXEL;
51 img->origin = IPL_ORIGIN_TL;
58 frame->
data[0] = img->imageData;
91 char type_str[128] =
"gaussian";
99 sscanf(args,
"%127[^|]|%d|%d|%lf|%lf", type_str, &smooth->
param1, &smooth->
param2, &smooth->
param3, &smooth->
param4);
101 if (!strcmp(type_str,
"blur" )) smooth->
type = CV_BLUR;
102 else if (!strcmp(type_str,
"blur_no_scale")) smooth->
type = CV_BLUR_NO_SCALE;
103 else if (!strcmp(type_str,
"median" )) smooth->
type = CV_MEDIAN;
104 else if (!strcmp(type_str,
"gaussian" )) smooth->
type = CV_GAUSSIAN;
105 else if (!strcmp(type_str,
"bilateral" )) smooth->
type = CV_BILATERAL;
113 "Invalid value '%d' for param1, it has to be a positive odd number\n",
117 if ((smooth->
type == CV_BLUR || smooth->
type == CV_BLUR_NO_SCALE || smooth->
type == CV_GAUSSIAN) &&
120 "Invalid value '%d' for param2, it has to be zero or a positive odd number\n",
144 if ((ret =
av_file_map(filename, &buf, &size, 0, log_ctx)) < 0)
149 for (i = 0; i <
size; i++) {
150 if (buf[i] ==
'\n') {
151 if (*rows == INT_MAX) {
156 *cols =
FFMAX(*cols, w);
158 }
else if (w == INT_MAX) {
164 if (*rows > (SIZE_MAX /
sizeof(
int) / *cols)) {
169 if (!(*values =
av_mallocz(
sizeof(
int) * *rows * *cols)))
175 for (i = 0; i < *rows; i++) {
177 if (p > pend || *p ==
'\n') {
181 (*values)[*cols*i + j] = !!
av_isgraph(*(p++));
191 for (i = 0; i < *rows; i++) {
192 for (j = 0; j < *cols; j++)
193 line[j] = (*values)[i * *cols + j] ?
'@' :
' ';
206 char shape_filename[128] =
"", shape_str[32] =
"rect";
207 int cols = 0, rows = 0, anchor_x = 0, anchor_y = 0, shape = CV_SHAPE_RECT;
208 int *values =
NULL, ret;
210 sscanf(buf,
"%dx%d+%dx%d/%32[^=]=%127s", &cols, &rows, &anchor_x, &anchor_y, shape_str, shape_filename);
212 if (!strcmp(shape_str,
"rect" )) shape = CV_SHAPE_RECT;
213 else if (!strcmp(shape_str,
"cross" )) shape = CV_SHAPE_CROSS;
214 else if (!strcmp(shape_str,
"ellipse")) shape = CV_SHAPE_ELLIPSE;
215 else if (!strcmp(shape_str,
"custom" )) {
216 shape = CV_SHAPE_CUSTOM;
221 "Shape unspecified or type '%s' unknown.\n", shape_str);
225 if (rows <= 0 || cols <= 0) {
227 "Invalid non-positive values for shape size %dx%d\n", cols, rows);
231 if (anchor_x < 0 || anchor_y < 0 || anchor_x >= cols || anchor_y >= rows) {
233 "Shape anchor %dx%d is not inside the rectangle with size %dx%d.\n",
234 anchor_x, anchor_y, cols, rows);
238 *kernel = cvCreateStructuringElementEx(cols, rows, anchor_x, anchor_y, shape, values);
244 rows, cols, anchor_x, anchor_y, shape_str);
257 char default_kernel_str[] =
"3x3+0x0/rect";
259 const char *buf = args;
267 *kernel_str ? kernel_str : default_kernel_str,
287 cvReleaseStructuringElement(&dilate->
kernel);
325 if (!strcmp(s->
name, entry->
name)) {
355 IplImage inimg, outimg;
374 #define OFFSET(x) offsetof(OCVContext, x)
375 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM
411 .priv_class = &ocv_class,
417 .
inputs = avfilter_vf_ocv_inputs,
419 .
outputs = avfilter_vf_ocv_outputs,
void * av_malloc(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
int(* init)(AVFilterContext *ctx, const char *args)
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
static int parse_iplconvkernel(IplConvKernel **kernel, char *buf, void *log_ctx)
void(* end_frame_filter)(AVFilterContext *ctx, IplImage *inimg, IplImage *outimg)
This structure describes decoded (raw) audio or video data.
static const AVFilterPad outputs[]
Main libavfilter public API header.
static OCVFilterEntry ocv_filter_entries[]
int h
agreed upon image height
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;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);returnNULL;}returnac;}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;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->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);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_dlog(ac->avr,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> in
#define FF_ARRAY_ELEMS(a)
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
void av_freep(void *arg)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer ...
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
static void smooth_end_frame_filter(AVFilterContext *ctx, IplImage *inimg, IplImage *outimg)
static av_cold void dilate_uninit(AVFilterContext *ctx)
#define AV_LOG_VERBOSE
Detailed information.
A link between two filters.
int width
width and height of the video frame
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
void av_file_unmap(uint8_t *bufptr, size_t size)
Unmap or free the buffer bufptr created by av_file_map().
void av_free(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc(). ...
int av_file_map(const char *filename, uint8_t **bufptr, size_t *size, int log_offset, void *log_ctx)
Read the file with name filename, and put its content in a newly allocated buffer or map it with mmap...
void(* uninit)(AVFilterContext *ctx)
static av_cold int init(AVFilterContext *ctx)
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. ...
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
void * priv
private data for use by the filter
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
void av_log(void *avcl, int level, const char *fmt,...)
int(* init)(AVFilterContext *ctx, const char *args)
char * av_get_token(const char **buf, const char *term)
Unescape the given string until a non escaped terminating char, and return the token corresponding to...
static void dilate_end_frame_filter(AVFilterContext *ctx, IplImage *inimg, IplImage *outimg)
int w
agreed upon image width
static const AVFilterPad avfilter_vf_ocv_outputs[]
static void fill_iplimage_from_frame(IplImage *img, const AVFrame *frame, enum AVPixelFormat pixfmt)
packed RGB 8:8:8, 24bpp, BGRBGR...
int format
agreed upon media format
static const AVClass ocv_class
static const AVFilterPad avfilter_vf_ocv_inputs[]
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
static av_cold int dilate_init(AVFilterContext *ctx, const char *args)
static void(WINAPI *cond_broadcast)(pthread_cond_t *cond)
static av_cold void uninit(AVFilterContext *ctx)
Describe the class of an AVClass context structure.
static const AVFilterPad inputs[]
const char * name
Filter name.
static int read_shape_from_file(int *cols, int *rows, int **values, const char *filename, void *log_ctx)
AVFilterLink ** outputs
array of pointers to output links
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
static void erode_end_frame_filter(AVFilterContext *ctx, IplImage *inimg, IplImage *outimg)
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;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);returnNULL;}returnac;}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;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->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);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_dlog(ac->avr,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> out
int av_isgraph(int c)
Locale-independent conversion of ASCII isgraph.
common internal and external API header
void(* end_frame_filter)(AVFilterContext *ctx, IplImage *inimg, IplImage *outimg)
static int query_formats(AVFilterContext *ctx)
struct AVFilterPad AVFilterPad
AVFilterContext * dst
dest filter
static av_cold int smooth_init(AVFilterContext *ctx, const char *args)
static void fill_frame_from_iplimage(AVFrame *frame, const IplImage *img, enum AVPixelFormat pixfmt)
static const AVOption options[]
AVPixelFormat
Pixel format.
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
void(* uninit)(AVFilterContext *ctx)