FS-9665 #resolve [Add video_pre_call_banner feature]

src/include/switch_types.h

@@ -1506,7 +1506,8 @@ typedef enum {
 	CF_VIDEO_WRITING,
 	CF_SLA_INTERCEPT,
 	CF_VIDEO_BREAK,
-	CF_AUDIO_PAUSE,
+	CF_AUDIO_PAUSE_READ,
+	CF_AUDIO_PAUSE_WRITE,
 	CF_VIDEO_PAUSE_READ,
 	CF_VIDEO_PAUSE_WRITE,
 	CF_BYPASS_MEDIA_AFTER_HOLD,

src/mod/formats/mod_png/mod_png.c

@@ -181,6 +181,7 @@ static switch_status_t png_file_read_video(switch_file_handle_t *handle, switch_
 {
 	png_file_context_t *context = (png_file_context_t *)handle->private_info;
 	switch_image_t *dup = NULL;
+	int have_frame = 0;
 
 	if ((flags & SVR_CHECK)) {
 		return SWITCH_STATUS_BREAK;
@@ -190,18 +191,21 @@ static switch_status_t png_file_read_video(switch_file_handle_t *handle, switch_
 		return SWITCH_STATUS_FALSE;
 	}
 
-	if ((context->reads++ % 20) == 0) {
+	if ((flags && SVR_BLOCK)) {
+		switch_yield(33000);
+		have_frame = 1;
+	} else if ((context->reads++ % 20) == 0) {
+		have_frame = 1;
+	}
+
+	if (have_frame) {
 		switch_img_copy(context->img, &dup);
 		frame->img = dup;
 		context->sent++;
+		return SWITCH_STATUS_SUCCESS;
 	} else {
-		if ((flags && SVR_BLOCK)) {
-			switch_yield(5000);
-		}
 		return SWITCH_STATUS_BREAK;
 	}
-
-	return SWITCH_STATUS_SUCCESS;
 }
 
 typedef struct {

src/switch_core_io.c

@@ -97,7 +97,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_read_frame(switch_core_sessi
 			return SWITCH_STATUS_SUCCESS;
 		}
 
-		if (switch_channel_test_flag(session->channel, CF_AUDIO_PAUSE)) {
+		if (switch_channel_test_flag(session->channel, CF_AUDIO_PAUSE_READ)) {
 			switch_yield(20000);
 			*frame = &runtime.dummy_cng_frame;
 			// switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Media Paused!!!!\n");
@@ -1039,7 +1039,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_write_frame(switch_core_sess
 		}
 	}
 
-	if (switch_channel_test_flag(session->channel, CF_AUDIO_PAUSE)) {
+	if (switch_channel_test_flag(session->channel, CF_AUDIO_PAUSE_WRITE)) {
 		return SWITCH_STATUS_SUCCESS;
 	}
 

src/switch_core_media.c

@@ -4159,7 +4159,8 @@ SWITCH_DECLARE(uint8_t) switch_core_media_negotiate_sdp(switch_core_session_t *s
 		return 0;
 	}
 
-	switch_channel_clear_flag(channel, CF_AUDIO_PAUSE);
+	switch_channel_clear_flag(channel, CF_AUDIO_PAUSE_READ);
+	switch_channel_clear_flag(channel, CF_AUDIO_PAUSE_WRITE);
 
 	if (dtls_ok(session) && (tmp = switch_channel_get_variable(smh->session->channel, "webrtc_enable_dtls")) && switch_false(tmp)) {
 		switch_channel_clear_flag(smh->session->channel, CF_DTLS_OK);
@@ -5563,7 +5564,8 @@ SWITCH_DECLARE(uint8_t) switch_core_media_negotiate_sdp(switch_core_session_t *s
 		pmap->recv_pt = 97;
 		pmap->codec_ms = 20;
 		a_engine->cur_payload_map = pmap;
-		switch_channel_set_flag(channel, CF_AUDIO_PAUSE);
+		switch_channel_set_flag(channel, CF_AUDIO_PAUSE_READ);
+		switch_channel_set_flag(channel, CF_AUDIO_PAUSE_WRITE);
 	}
 
 

src/switch_ivr_bridge.c

@@ -81,7 +81,7 @@ static void video_bridge_thread(switch_core_session_t *session, void *obj)
 	switch_frame_t *read_frame = 0;
 	int set_decoded_read = 0, refresh_timer = 0;
 	int refresh_cnt = 300;
-	
+
 	vh->up = 1;
 
 	switch_core_session_read_lock(vh->session_a);
@@ -133,13 +133,14 @@ static void video_bridge_thread(switch_core_session_t *session, void *obj)
 			}
 
 			status = switch_core_session_read_video_frame(vh->session_a, &read_frame, SWITCH_IO_FLAG_NONE, 0);
-
+			
 			if (!SWITCH_READ_ACCEPTABLE(status)) {
 				switch_cond_next();
 				continue;
 			}
 		}
 		
+
 		if (switch_test_flag(read_frame, SFF_CNG) || 
 			switch_channel_test_flag(channel, CF_LEG_HOLDING) || switch_channel_test_flag(b_channel, CF_VIDEO_READ_FILE_ATTACHED)) {
 			continue;
@@ -285,6 +286,8 @@ static void *audio_bridge_thread(switch_thread_t *thread, void *obj)
 	switch_codec_implementation_t read_impl = { 0 };
 	uint32_t txt_launch = 0;
 	struct vid_helper th = { 0 };
+	const char *banner_file = NULL;
+	int played_banner = 0, banner_counter = 0;
 
 #ifdef SWITCH_VIDEO_IN_THREADS
 	struct vid_helper vh = { 0 };
@@ -299,7 +302,6 @@ static void *audio_bridge_thread(switch_thread_t *thread, void *obj)
 
 	switch_core_session_get_read_impl(session_a, &read_impl);
 
-
 	input_callback = data->input_callback;
 	user_data = data->session_data;
 	stream_id = data->stream_id;
@@ -346,6 +348,17 @@ static void *audio_bridge_thread(switch_thread_t *thread, void *obj)
 		goto end_of_bridge_loop;
 	}
 
+
+	if (switch_channel_test_flag(chan_a, CF_BRIDGE_ORIGINATOR) && (banner_file = switch_channel_get_variable(chan_a, "video_pre_call_banner"))) {
+		switch_channel_set_flag(chan_a, CF_AUDIO_PAUSE_READ);
+		switch_channel_set_flag(chan_b, CF_AUDIO_PAUSE_READ);
+		switch_channel_set_flag(chan_a, CF_AUDIO_PAUSE_WRITE);
+		switch_channel_set_flag(chan_b, CF_AUDIO_PAUSE_WRITE);
+		switch_channel_set_flag(chan_a, CF_VIDEO_PAUSE_READ);
+		switch_channel_set_flag(chan_b, CF_VIDEO_PAUSE_READ);
+	}
+
+
 	if (bypass_media_after_bridge) {
 		const char *source_a = switch_channel_get_variable(chan_a, "source");
 		const char *source_b = switch_channel_get_variable(chan_b, "source");
@@ -494,6 +507,37 @@ static void *audio_bridge_thread(switch_thread_t *thread, void *obj)
 #endif
 
 		if (read_frame_count >= DEFAULT_LEAD_FRAMES && switch_channel_media_ack(chan_a)) {
+			if (!played_banner && switch_channel_test_flag(chan_a, CF_VIDEO) && switch_channel_test_flag(chan_b, CF_VIDEO) &&
+				switch_channel_test_flag(chan_a, CF_ANSWERED) && switch_channel_test_flag(chan_b, CF_ANSWERED) &&
+				++banner_counter > 100 &&
+				switch_channel_test_flag(chan_a, CF_VIDEO_READY) && switch_channel_test_flag(chan_b, CF_VIDEO_READY) && 
+				switch_channel_test_flag(chan_a, CF_BRIDGE_ORIGINATOR) && banner_file) {
+				const char *b_banner_file = switch_channel_get_variable(chan_b, "video_pre_call_banner");
+
+				if (!b_banner_file) {
+					b_banner_file = switch_channel_get_variable(chan_a, "video_pre_call_banner_bleg");
+				}
+
+				
+				switch_channel_clear_flag(chan_a, CF_VIDEO_PAUSE_READ);
+				switch_channel_clear_flag(chan_b, CF_VIDEO_PAUSE_READ);
+
+				if (b_banner_file) {
+					switch_ivr_broadcast(switch_core_session_get_uuid(session_a), banner_file, SMF_ECHO_ALEG);
+					switch_ivr_broadcast(switch_core_session_get_uuid(session_b), b_banner_file, SMF_ECHO_ALEG);
+				} else {
+					switch_ivr_broadcast(switch_core_session_get_uuid(session_a), banner_file, SMF_ECHO_ALEG | SMF_ECHO_BLEG);
+				}
+
+				played_banner = 1;
+				
+				switch_channel_clear_flag(chan_a, CF_AUDIO_PAUSE_READ);
+				switch_channel_clear_flag(chan_b, CF_AUDIO_PAUSE_READ);
+				switch_channel_clear_flag(chan_a, CF_AUDIO_PAUSE_WRITE);
+				switch_channel_clear_flag(chan_b, CF_AUDIO_PAUSE_WRITE);
+			}
+			
+
 
 			if (!exec_check) {
 				switch_channel_execute_on(chan_a, SWITCH_CHANNEL_EXECUTE_ON_PRE_BRIDGE_VARIABLE);