/* * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application * Copyright (C) 2005-2014, Anthony Minessale II * * Version: MPL 1.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application * * The Initial Developer of the Original Code is * Anthony Minessale II * Portions created by the Initial Developer are Copyright (C) * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Anthony Minessale II * * mod_cv.cpp -- Detect Video motion * */ #include "opencv2/objdetect/objdetect.hpp" #include "opencv2/highgui/highgui.hpp" #include "opencv2/imgproc/imgproc.hpp" using namespace std; using namespace cv; #include #include #include #include "cvaux.h" #include "cxmisc.h" #include "highgui.h" #include #include #include #define MY_EVENT_VIDEO_DETECT "cv::video_detect" SWITCH_MODULE_LOAD_FUNCTION(mod_cv_load); SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_cv_shutdown); SWITCH_MODULE_DEFINITION(mod_cv, mod_cv_load, mod_cv_shutdown, NULL); static const int NCHANNELS = 3; struct detect_stats { uint32_t last_score; uint32_t simo_count; uint32_t simo_miss_count; uint32_t above_avg_simo_count; uint32_t sum; uint32_t itr; float avg; }; struct shape { int x; int y; int x2; int y2; int w; int h; int cx; int cy; int radius; }; #define MAX_SHAPES 32 #define MAX_OVERLAY 32 struct overlay { char *png_path; char *nick; switch_image_t *png; float x_off; float y_off; float shape_scale; }; typedef struct cv_context_s { IplImage *rawImage; IplImage *yuvImage; CascadeClassifier *cascade; CascadeClassifier *nestedCascade; int w; int h; struct detect_stats detected; struct detect_stats nestDetected; int detect_event; int nest_detect_event; struct shape shape[MAX_SHAPES]; int shape_idx; int32_t skip; int32_t skip_count; uint32_t debug; struct overlay overlay[MAX_OVERLAY]; uint32_t overlay_idx; uint32_t overlay_count; switch_core_session_t *session; char *cascade_path; char *nested_cascade_path; switch_memory_pool_t *pool; switch_mutex_t *mutex; char *png_prefix; } cv_context_t; static int clear_overlay(cv_context_t *context, int idx) { uint32_t i = context->overlay_count; switch_image_t *png; int r = -1, x; context->overlay[idx].png_path = NULL; context->overlay[idx].nick = NULL; switch_img_free(&context->overlay[idx].png); memset(&context->overlay[idx], 0, sizeof(struct overlay)); context->overlay_count--; for (x = idx + 1; x < i; x++) { context->overlay[x-1] = context->overlay[x]; memset(&context->overlay[x], 0, sizeof(struct overlay)); } return idx - 1 > 0 ? idx -1 : 0; } static int add_overlay(cv_context_t *context, const char *png_path, const char *nick) { uint32_t i = context->overlay_count; switch_image_t *png; int r = -1, x; for (x = 0; x < i; x++) { if (context->overlay[x].png_path) { if (!zstr(nick)) { if (!zstr(context->overlay[x].nick) && !strcmp(context->overlay[x].nick, nick)) { return x; } } else { if (strstr(context->overlay[x].png_path, png_path)) { return x; } } } } if (context->png_prefix) { context->overlay[i].png_path = switch_core_sprintf(context->pool, "%s%s%s", context->png_prefix, SWITCH_PATH_SEPARATOR, png_path); } else { context->overlay[i].png_path = switch_core_strdup(context->pool, png_path); } if ((png = switch_img_read_png(context->overlay[i].png_path, SWITCH_IMG_FMT_ARGB))) { context->overlay[i].png = png; if (!zstr(nick)) { context->overlay[i].nick = switch_core_strdup(context->pool, nick); } if (!context->overlay[i].shape_scale) context->overlay[i].shape_scale = 1; context->overlay_count++; r = (int) i; } else { context->overlay[i].png_path = NULL; } return r; } static void uninit_context(cv_context_t *context); static const float coef1 = 0.3190; static const float coef2 = -48.7187; static void reset_stats(struct detect_stats *stats) { memset(stats, 0, sizeof(*stats)); } static void reset_context(cv_context_t *context) { CascadeClassifier *cascade = context->cascade; CascadeClassifier *nestedCascade = context->nestedCascade; context->cascade = NULL; context->nestedCascade = NULL; if (cascade) { delete cascade; } if (nestedCascade) { delete nestedCascade; } } static void uninit_context(cv_context_t *context) { int i = 0; reset_context(context); for (i = 0; i < context->overlay_count; i++) { switch_img_free(&context->overlay[i].png); context->overlay[i].png_path = NULL; context->overlay_count = 0; memset(&context->overlay[i], 0, sizeof(struct overlay)); } switch_core_destroy_memory_pool(&context->pool); } static void init_context(cv_context_t *context) { int create = 0; if (!context->pool) { switch_core_new_memory_pool(&context->pool); switch_mutex_init(&context->mutex, SWITCH_MUTEX_NESTED, context->pool); context->png_prefix = switch_core_get_variable_pdup("cv_png_prefix", context->pool); create = 1; } switch_mutex_lock(context->mutex); if (!create) { reset_context(context); } if (context->cascade_path) { context->cascade = new CascadeClassifier; context->cascade->load(context->cascade_path); if (context->nested_cascade_path) { context->nestedCascade = new CascadeClassifier; context->nestedCascade->load(context->nested_cascade_path); } } switch_mutex_unlock(context->mutex); } static void parse_stats(struct detect_stats *stats, uint32_t size, uint64_t skip) { if (stats->itr >= 500) { reset_stats(stats); } if (stats->itr >= 60) { if (stats->last_score > stats->avg + 10) { stats->above_avg_simo_count += skip; } else if (stats->above_avg_simo_count) { stats->above_avg_simo_count = 0; } } if (size) { stats->simo_miss_count = 0; stats->simo_count += skip; stats->last_score = size; stats->sum += size; } else { stats->simo_miss_count += skip; stats->simo_count = 0; stats->itr = 0; stats->avg = 0; } stats->itr++; stats->avg = stats->sum / stats->itr; } void detectAndDraw(cv_context_t *context) { double scale = 1; Mat img(context->rawImage); switch_mutex_lock(context->mutex); if (context->shape[0].cx && context->skip > 1 && context->skip_count++ < context->skip) { switch_mutex_unlock(context->mutex); return; } context->skip_count = 0; if (context->rawImage->width >= 1080) { scale = 2; } else if (context->rawImage->width >= 720) { scale = 1.5; } int i = 0; vector detectedObjs, detectedObjs2; const static Scalar colors[] = { CV_RGB(0,0,255), CV_RGB(0,128,255), CV_RGB(0,255,255), CV_RGB(0,255,0), CV_RGB(255,128,0), CV_RGB(255,255,0), CV_RGB(255,0,0), CV_RGB(255,0,255)} ; Mat gray, smallImg( cvRound (img.rows/scale), cvRound(img.cols/scale), CV_8UC1 ); const int max_neighbors = MAX(0, cvRound((float)coef1*smallImg.cols + coef2)); cvtColor( img, gray, CV_BGR2GRAY ); resize( gray, smallImg, smallImg.size(), 0, 0, INTER_LINEAR ); equalizeHist( smallImg, smallImg ); context->cascade->detectMultiScale( smallImg, detectedObjs, 1.1, 2, 0 |CV_HAAR_FIND_BIGGEST_OBJECT |CV_HAAR_DO_ROUGH_SEARCH |CV_HAAR_SCALE_IMAGE , Size(20, 20) ); parse_stats(&context->detected, detectedObjs.size(), context->skip); //printf("SCORE: %d %f %d\n", context->detected.simo_count, context->detected.avg, context->detected.last_score); context->shape_idx = 0; //memset(context->shape, 0, sizeof(context->shape[0]) * MAX_SHAPES); for( vector::iterator r = detectedObjs.begin(); r != detectedObjs.end(); r++, i++ ) { Mat smallImgROI; vector nestedObjects; Point center; Scalar color = colors[i%8]; int radius; double aspect_ratio = (double)r->width/r->height; if (context->shape_idx >= MAX_SHAPES) { break; } if(0.75 < aspect_ratio && aspect_ratio < 1.3 ) { center.x = switch_round_to_step(cvRound((r->x + r->width*0.5)*scale), 20); center.y = switch_round_to_step(cvRound((r->y + r->height*0.5)*scale), 20); radius = switch_round_to_step(cvRound((r->width + r->height)*0.25*scale), 20); if (context->debug || !context->overlay_count) { circle( img, center, radius, color, 3, 8, 0 ); } context->shape[context->shape_idx].x = center.x - radius; context->shape[context->shape_idx].y = center.y - radius; context->shape[context->shape_idx].cx = center.x; context->shape[context->shape_idx].cy = center.y; context->shape[context->shape_idx].radius = radius; context->shape[context->shape_idx].w = context->shape[context->shape_idx].h = radius * 2; context->shape_idx++; } else { context->shape[context->shape_idx].x = switch_round_to_step(cvRound(r->x*scale), 40); context->shape[context->shape_idx].y = switch_round_to_step(cvRound(r->y*scale), 20); context->shape[context->shape_idx].x2 = switch_round_to_step(cvRound((r->x + r->width-1)*scale), 40); context->shape[context->shape_idx].y2 = switch_round_to_step(cvRound((r->y + r->height-1)*scale), 20); context->shape[context->shape_idx].w = context->shape[context->shape_idx].x2 - context->shape[context->shape_idx].x; context->shape[context->shape_idx].h = context->shape[context->shape_idx].y2 - context->shape[context->shape_idx].y; context->shape[context->shape_idx].cx = context->shape[context->shape_idx].x + (context->shape[context->shape_idx].w / 2); context->shape[context->shape_idx].cy = context->shape[context->shape_idx].y + (context->shape[context->shape_idx].h / 2); if (context->debug || !context->overlay_count) { rectangle( img, cvPoint(context->shape[context->shape_idx].x, context->shape[context->shape_idx].y), cvPoint(context->shape[context->shape_idx].x2, context->shape[context->shape_idx].y2), color, 3, 8, 0); } context->shape_idx++; } if(!context->nestedCascade || context->nestedCascade->empty() ) { continue; } const int half_height=cvRound((float)r->height/2); r->y = r->y + half_height; r->height = half_height; smallImgROI = smallImg(*r); context->nestedCascade->detectMultiScale( smallImgROI, nestedObjects, 1.1, 0, 0 //|CV_HAAR_FIND_BIGGEST_OBJECT //|CV_HAAR_DO_ROUGH_SEARCH //|CV_HAAR_DO_CANNY_PRUNING |CV_HAAR_SCALE_IMAGE , Size(30, 30) ); // Draw rectangle reflecting confidence const int object_neighbors = nestedObjects.size(); //cout << "Detected " << object_neighbors << " object neighbors" << endl; const int rect_height = cvRound((float)img.rows * object_neighbors / max_neighbors); CvScalar col = CV_RGB((float)255 * object_neighbors / max_neighbors, 0, 0); rectangle(img, cvPoint(0, img.rows), cvPoint(img.cols/10, img.rows - rect_height), col, -1); parse_stats(&context->nestDetected, nestedObjects.size(), context->skip); //printf("NEST: %d %f %d\n", context->nestDetected.simo_count, context->nestDetected.avg, context->nestDetected.last_score); } switch_mutex_unlock(context->mutex); } static switch_status_t video_thread_callback(switch_core_session_t *session, switch_frame_t *frame, void *user_data) { cv_context_t *context = (cv_context_t *) user_data; switch_channel_t *channel = switch_core_session_get_channel(session); if (!switch_channel_ready(channel)) { return SWITCH_STATUS_FALSE; } if (frame->img) { if ((frame->img->d_w != context->w || frame->img->d_h != context->h) && context->rawImage) { cvReleaseImage(&context->rawImage); cvReleaseImage(&context->yuvImage); } if (!context->rawImage) { context->rawImage = cvCreateImage(cvSize(frame->img->d_w, frame->img->d_h), IPL_DEPTH_8U, 3); context->yuvImage = cvCreateImage(cvSize(frame->img->d_w, frame->img->d_h), IPL_DEPTH_8U, 3); switch_assert(context->rawImage); switch_assert(context->rawImage->width * 3 == context->rawImage->widthStep); } //printf("context->rawImage: %dx%d stride: %d size: %d color:%s\n", context->rawImage->width, context->rawImage->height, context->rawImage->widthStep, context->rawImage->imageSize, context->rawImage->colorModel); libyuv::I420ToRGB24(frame->img->planes[0], frame->img->stride[0], frame->img->planes[1], frame->img->stride[1], frame->img->planes[2], frame->img->stride[2], (uint8_t *)context->rawImage->imageData, context->rawImage->widthStep, context->rawImage->width, context->rawImage->height); if (context->cascade) { switch_event_t *event; detectAndDraw(context); if (context->detected.simo_count > 20) { if (!context->detect_event) { context->detect_event = 1; if (switch_event_create_subclass(&event, SWITCH_EVENT_CUSTOM, MY_EVENT_VIDEO_DETECT) == SWITCH_STATUS_SUCCESS) { switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Detect-Type", "primary"); switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Detect-Disposition", "start"); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Detect-Simo-Count", "%u", context->detected.simo_count); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Detect-Average", "%f", context->detected.avg); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Detect-Last-Score", "%u", context->detected.last_score); switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Unique-ID", switch_core_session_get_uuid(session)); //switch_channel_event_set_data(channel, event); DUMP_EVENT(event); switch_event_fire(&event); } switch_channel_execute_on(channel, "execute_on_cv_detect_primary"); } } else { if (context->detected.simo_miss_count >= 20) { if (context->detect_event) { if (switch_event_create_subclass(&event, SWITCH_EVENT_CUSTOM, MY_EVENT_VIDEO_DETECT) == SWITCH_STATUS_SUCCESS) { switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Detect-Type", "primary"); switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Detect-Disposition", "stop"); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Detect-Simo-Count", "%u", context->detected.simo_count); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Detect-Average", "%f", context->detected.avg); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Detect-Last-Score", "%u", context->detected.last_score); switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Unique-ID", switch_core_session_get_uuid(session)); //switch_channel_event_set_data(channel, event); DUMP_EVENT(event); switch_event_fire(&event); } memset(context->shape, 0, sizeof(context->shape[0]) * MAX_SHAPES); switch_channel_execute_on(channel, "execute_on_cv_detect_off_primary"); reset_stats(&context->nestDetected); reset_stats(&context->detected); } context->detect_event = 0; } } if (context->nestedCascade && context->detected.simo_count > 20) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "CHECKING: %d %d %f %d\n", context->nestDetected.itr, context->nestDetected.last_score, context->nestDetected.avg, context->nestDetected.above_avg_simo_count); if (context->nestDetected.simo_count > 20 && context->nestDetected.last_score > context->nestDetected.avg && context->nestDetected.above_avg_simo_count > 5) { if (!context->nest_detect_event) { context->nest_detect_event = 1; if (switch_event_create_subclass(&event, SWITCH_EVENT_CUSTOM, MY_EVENT_VIDEO_DETECT) == SWITCH_STATUS_SUCCESS) { switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Detect-Type", "nested"); switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Detect-Disposition", "start"); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Detect-Simo-Count", "%d", context->nestDetected.simo_count); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Detect-Average", "%f", context->nestDetected.avg); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Detect-Last-Score", "%u", context->nestDetected.last_score); switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Unique-ID", switch_core_session_get_uuid(session)); //switch_channel_event_set_data(channel, event); DUMP_EVENT(event); switch_event_fire(&event); } switch_channel_execute_on(channel, "execute_on_cv_detect_nested"); } } else if (context->nestDetected.above_avg_simo_count == 0) { if (context->nest_detect_event) { if (switch_event_create_subclass(&event, SWITCH_EVENT_CUSTOM, MY_EVENT_VIDEO_DETECT) == SWITCH_STATUS_SUCCESS) { switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Detect-Type", "nested"); switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Detect-Disposition", "stop"); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Detect-Simo-Count", "%d", context->nestDetected.simo_count); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Detect-Average", "%f", context->nestDetected.avg); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Detect-Last-Score", "%u", context->nestDetected.last_score); switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Unique-ID", switch_core_session_get_uuid(session)); //switch_channel_event_set_data(channel, event); DUMP_EVENT(event); switch_event_fire(&event); } switch_channel_execute_on(channel, "execute_on_cv_detect_off_nested"); reset_stats(&context->nestDetected); } context->nest_detect_event = 0; } } } int w = context->rawImage->width; int h = context->rawImage->height; if (context->debug) { libyuv::RGB24ToI420((uint8_t *)context->rawImage->imageData, w * 3, frame->img->planes[0], frame->img->stride[0], frame->img->planes[1], frame->img->stride[1], frame->img->planes[2], frame->img->stride[2], context->rawImage->width, context->rawImage->height); } if (context->overlay_count && context->detect_event && context->shape[0].cx) { int i; for (i = 0; i < context->overlay_count; i++) { struct overlay *overlay = &context->overlay[i]; int x = 0, y = 0; switch_image_t *img = NULL; int scale_w = 0, scale_h = 0; int x_off = 0, y_off = 0; int shape_w, shape_h; int cx, cy; shape_w = context->shape[0].w; shape_h = context->shape[0].h; cx = context->shape[0].cx; cy = context->shape[0].cy; scale_w = shape_w * overlay->shape_scale; if (scale_w > frame->img->d_w) { scale_w = frame->img->d_w; } scale_h = ((overlay->png->d_h * scale_w) / overlay->png->d_w); if (overlay->x_off) { x_off = overlay->x_off * shape_w; } if (overlay->y_off) { y_off = overlay->y_off * context->shape[0].h; } x = cx - ((scale_w / 2) + x_off); y = cy - ((scale_h / 2) + y_off); switch_img_scale(overlay->png, &img, scale_w, scale_h); if (img) { switch_img_patch(frame->img, img, x, y); switch_img_free(&img); } } } else if (!context->debug) { libyuv::RGB24ToI420((uint8_t *)context->rawImage->imageData, w * 3, frame->img->planes[0], frame->img->stride[0], frame->img->planes[1], frame->img->stride[1], frame->img->planes[2], frame->img->stride[2], context->rawImage->width, context->rawImage->height); } } return SWITCH_STATUS_SUCCESS; } static void parse_params(cv_context_t *context, int start, int argc, char **argv) { int i, changed = 0, png_idx = 0, png_count = 0; char *nick = NULL; png_count = context->overlay_count; for (i = start; i < argc ; i ++) { char *name = strdup(argv[i]); char *val = NULL; if ((val = strchr(name, '='))) { *val++ = '\0'; } if (name && val) { if (!strcasecmp(name, "x_off")) { context->overlay[png_idx].x_off = atof(val); } else if (!strcasecmp(name, "nick")) { switch_safe_free(nick); nick = strdup(val); } else if (!strcasecmp(name, "y_off")) { context->overlay[png_idx].y_off = atof(val); } else if (!strcasecmp(name, "scale")) { context->overlay[png_idx].shape_scale = atof(val); } else if (!strcasecmp(name, "skip")) { context->skip = atoi(val); } else if (!strcasecmp(name, "debug")) { context->debug = atoi(val); } else if (!strcasecmp(name, "cascade")) { context->cascade_path = switch_core_strdup(context->pool, val); changed++; } else if (!strcasecmp(name, "nested_cascade")) { context->nested_cascade_path = switch_core_strdup(context->pool, val); changed++; } else if (!strcasecmp(name, "png")) { png_idx = add_overlay(context, val, nick); } } else if (name) { if (!strcasecmp(name, "clear")) { png_idx = clear_overlay(context, png_idx); } } free(name); } switch_safe_free(nick); if (context->overlay_count != png_count) { changed++; } if (!context->skip) context->skip = 1; if (changed) { init_context(context); } } SWITCH_STANDARD_APP(cv_start_function) { switch_channel_t *channel = switch_core_session_get_channel(session); switch_frame_t *read_frame; cv_context_t context = { 0 }; char *lbuf; char *cascade_path; char *nested_cascade_path; char *argv[25]; int argc; init_context(&context); if (data && (lbuf = switch_core_session_strdup(session, data)) && (argc = switch_separate_string(lbuf, ' ', argv, (sizeof(argv) / sizeof(argv[0]))))) { context.cascade_path = argv[0]; context.nested_cascade_path = argv[1]; parse_params(&context, 2, argc, argv); } switch_channel_answer(channel); switch_channel_set_flag_recursive(channel, CF_VIDEO_DECODED_READ); switch_channel_set_flag_recursive(channel, CF_VIDEO_ECHO); switch_core_session_raw_read(session); switch_core_session_set_video_read_callback(session, video_thread_callback, &context); while (switch_channel_ready(channel)) { switch_status_t status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0); if (!SWITCH_READ_ACCEPTABLE(status)) { break; } if (switch_test_flag(read_frame, SFF_CNG)) { continue; } memset(read_frame->data, 0, read_frame->datalen); switch_core_session_write_frame(session, read_frame, SWITCH_IO_FLAG_NONE, 0); } switch_core_session_set_video_read_callback(session, NULL, NULL); uninit_context(&context); switch_core_session_reset(session, SWITCH_TRUE, SWITCH_TRUE); } /////// static switch_bool_t cv_bug_callback(switch_media_bug_t *bug, void *user_data, switch_abc_type_t type) { cv_context_t *context = (cv_context_t *) user_data; switch_channel_t *channel = switch_core_session_get_channel(context->session); switch (type) { case SWITCH_ABC_TYPE_INIT: { switch_channel_set_flag_recursive(channel, CF_VIDEO_DECODED_READ); } break; case SWITCH_ABC_TYPE_CLOSE: { switch_channel_clear_flag_recursive(channel, CF_VIDEO_DECODED_READ); uninit_context(context); } break; case SWITCH_ABC_TYPE_READ_VIDEO_PING: { switch_frame_t *frame = switch_core_media_bug_get_video_ping_frame(bug); video_thread_callback(context->session, frame, context); } break; default: break; } return SWITCH_TRUE; } SWITCH_STANDARD_APP(cv_bug_start_function) { switch_media_bug_t *bug; switch_status_t status; switch_channel_t *channel = switch_core_session_get_channel(session); cv_context_t *context; char *lbuf = NULL; int x, n; char *argv[25] = { 0 }; int argc; if ((bug = (switch_media_bug_t *) switch_channel_get_private(channel, "_cv_bug_"))) { if (!zstr(data) && !strcasecmp(data, "stop")) { switch_channel_set_private(channel, "_cv_bug_", NULL); switch_core_media_bug_remove(session, &bug); } else { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING, "Cannot run 2 at once on the same channel!\n"); } return; } context = (cv_context_t *) switch_core_session_alloc(session, sizeof(*context)); assert(context != NULL); context->session = session; init_context(context); if (data && (lbuf = switch_core_session_strdup(session, data)) && (argc = switch_separate_string(lbuf, ' ', argv, (sizeof(argv) / sizeof(argv[0]))))) { parse_params(context, 1, argc, argv); } if ((status = switch_core_media_bug_add(session, "cv_bug", NULL, cv_bug_callback, context, 0, SMBF_READ_VIDEO_PING, &bug)) != SWITCH_STATUS_SUCCESS) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Failure!\n"); return; } switch_channel_set_private(channel, "_cv_bug_", bug); } /* API Interface Function */ #define CV_BUG_API_SYNTAX " [start|stop]" SWITCH_STANDARD_API(cv_bug_api_function) { switch_core_session_t *rsession = NULL; switch_channel_t *channel = NULL; switch_media_bug_t *bug; switch_status_t status; cv_context_t *context; char *mycmd = NULL; int argc = 0; char *argv[25] = { 0 }; char *uuid = NULL; char *action = NULL; char *cascade_path = NULL; char *nested_cascade_path = NULL; char *lbuf = NULL; int x, n, i; if (zstr(cmd)) { goto usage; } if (!(mycmd = strdup(cmd))) { goto usage; } if ((argc = switch_separate_string(mycmd, ' ', argv, (sizeof(argv) / sizeof(argv[0])))) < 2) { goto usage; } uuid = argv[0]; action = argv[1]; if (!(rsession = switch_core_session_locate(uuid))) { stream->write_function(stream, "-ERR Cannot locate session!\n"); goto done; } channel = switch_core_session_get_channel(rsession); if ((bug = (switch_media_bug_t *) switch_channel_get_private(channel, "_cv_bug_"))) { if (!zstr(action)) { if (!strcasecmp(action, "stop")) { switch_channel_set_private(channel, "_cv_bug_", NULL); switch_core_media_bug_remove(rsession, &bug); stream->write_function(stream, "+OK Success\n"); } else if (!strcasecmp(action, "start") || !strcasecmp(action, "mod")) { context = (cv_context_t *) switch_core_media_bug_get_user_data(bug); switch_assert(context); parse_params(context, 2, argc, argv); stream->write_function(stream, "+OK Success\n"); } } else { stream->write_function(stream, "-ERR Invalid action\n"); } goto done; } if (!zstr(action) && strcasecmp(action, "start")) { goto usage; } context = (cv_context_t *) switch_core_session_alloc(rsession, sizeof(*context)); assert(context != NULL); context->session = rsession; init_context(context); parse_params(context, 2, argc, argv); if ((status = switch_core_media_bug_add(rsession, "cv_bug", NULL, cv_bug_callback, context, 0, SMBF_READ_VIDEO_PING, &bug)) != SWITCH_STATUS_SUCCESS) { stream->write_function(stream, "-ERR Failure!\n"); goto done; } else { switch_channel_set_private(channel, "_cv_bug_", bug); stream->write_function(stream, "+OK Success\n"); goto done; } usage: stream->write_function(stream, "-USAGE: %s\n", CV_BUG_API_SYNTAX); done: if (rsession) { switch_core_session_rwunlock(rsession); } switch_safe_free(mycmd); return SWITCH_STATUS_SUCCESS; } /////// SWITCH_MODULE_LOAD_FUNCTION(mod_cv_load) { switch_application_interface_t *app_interface; switch_api_interface_t *api_interface; *module_interface = switch_loadable_module_create_module_interface(pool, modname); SWITCH_ADD_APP(app_interface, "cv", "", "", cv_start_function, "", SAF_NONE); SWITCH_ADD_APP(app_interface, "cv_bug", "connect cv", "connect cv", cv_bug_start_function, "[]", SAF_NONE); SWITCH_ADD_API(api_interface, "cv_bug", "cv_bug", cv_bug_api_function, CV_BUG_API_SYNTAX); switch_console_set_complete("add cv_bug ::console::list_uuid ::[start:stop"); /* indicate that the module should continue to be loaded */ return SWITCH_STATUS_SUCCESS; } SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_cv_shutdown) { return SWITCH_STATUS_UNLOAD; } /* For Emacs: * Local Variables: * mode:c * indent-tabs-mode:nil * tab-width:4 * c-basic-offset:4 * End: * For VIM: * vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet: */