FS-7500: major refactoring pass. Push concepts from mod_vlc as deep as possible and flesh out api to use everywhere else. Round 2 will be to convert the bridge and other places using the same code

src/include/private/switch_core_pvt.h

@@ -190,6 +190,10 @@ struct switch_core_session {
 	uint32_t decoder_errors;
 	switch_core_video_thread_callback_func_t *_video_thread_callback;
 	void *_video_thread_user_data;
+	//switch_time_t last_video_write_time;
+	
+	switch_image_write_callback_t image_write_callback;
+	void *image_write_callback_user_data;
 };
 
 struct switch_media_bug {

src/include/switch_core.h

@@ -1275,6 +1275,26 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_read_frame(_In_ switch_core_
 SWITCH_DECLARE(switch_status_t) switch_core_session_read_video_frame(_In_ switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags,
 																	 int stream_id);
 
+/*! 
+  \brief Write a video image to a session using a video frame
+  \param session the session to write to
+  \param frame a pointer to a frame to use for write with proper codec
+  \param img the image structure with the image data
+  \param the size for packetization
+  \param flag pointer to frame flags to pass in / out 															
+  \return SWITCH_STATUS_SUCCESS a if the image was written
+*/
+SWITCH_DECLARE(switch_status_t) switch_core_session_write_video_image(switch_core_session_t *session, switch_frame_t *frame, 
+																	  switch_image_t *img, switch_size_t size, uint32_t *flag);
+/*! 
+  \brief set a callback to be called after each frame of an image is written
+  \param session the session to write to
+  \param callback the function to call
+  \param user_data the user data pointer to pass as an arguement to the callback
+  \return void
+*/
+SWITCH_DECLARE(void) switch_core_session_set_image_write_callback(switch_core_session_t *session, switch_image_write_callback_t callback, void *user_data);
+
 /*! 
   \brief Write a video frame to a session
   \param session the session to write to

src/include/switch_core_media.h

@@ -305,6 +305,8 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_codec_control(switch_core_sess
 																switch_codec_control_type_t *rtype,
 																void **ret_data);
 
+SWITCH_DECLARE(switch_timer_t *) switch_core_media_get_timer(switch_core_session_t *session, switch_media_type_t mtype);
+
 SWITCH_END_EXTERN_C
 #endif
 /* For Emacs:

src/include/switch_module_interfaces.h

@@ -217,6 +217,7 @@ struct switch_timer {
 	switch_size_t diff;
 	switch_time_t start;
 	uint64_t tick;
+
 };
 
 typedef enum {

src/include/switch_rtp.h

@@ -268,6 +268,9 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_activate_ice(switch_rtp_t *rtp_sessio
 */
 SWITCH_DECLARE(switch_status_t) switch_rtp_activate_rtcp(switch_rtp_t *rtp_session, int send_rate, switch_port_t remote_port, switch_bool_t mux);
 
+
+SWITCH_DECLARE(switch_timer_t *) switch_rtp_get_media_timer(switch_rtp_t *rtp_session);
+
 /*! 
   \brief Acvite a jitter buffer on an RTP session
   \param rtp_session the rtp session
@@ -285,6 +288,9 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_deactivate_jitter_buffer(switch_rtp_t
 SWITCH_DECLARE(switch_status_t) switch_rtp_pause_jitter_buffer(switch_rtp_t *rtp_session, switch_bool_t pause);
 SWITCH_DECLARE(stfu_instance_t *) switch_rtp_get_jitter_buffer(switch_rtp_t *rtp_session);
 
+
+
+
 /*!
   \brief Set an RTP Flag
   \param rtp_session the RTP session

src/include/switch_types.h

@@ -226,6 +226,7 @@ SWITCH_BEGIN_EXTERN_C
 #define SWITCH_DTMF_LOG_LEN 1000
 #define SWITCH_MAX_TRANS 2000
 #define SWITCH_CORE_SESSION_MAX_PRIVATES 2
+#define SWITCH_DEFAULT_VIDEO_SIZE 1500
 
 /* Jitter */
 #define JITTER_VARIANCE_THRESHOLD 400.0
@@ -1494,7 +1495,8 @@ typedef enum {
 	SFF_NOT_AUDIO = (1 << 9),
 	SFF_RTCP = (1 << 10),
 	SFF_MARKER = (1 << 11),
-	SFF_WAIT_KEY_FRAME = (1 << 12)
+	SFF_WAIT_KEY_FRAME = (1 << 12),
+	SFF_RAW_RTP_PARSE_FRAME = (1 << 13)
 } switch_frame_flag_enum_t;
 typedef uint32_t switch_frame_flag_t;
 
@@ -2196,6 +2198,8 @@ typedef switch_status_t (*switch_core_codec_control_func_t) (switch_codec_t *cod
 																   void **ret_data);
 																   
 
+typedef switch_status_t (*switch_image_write_callback_t) (switch_core_session_t *session, switch_frame_t *frame, switch_image_t *img, void *user_data);
+
 typedef switch_status_t (*switch_core_codec_init_func_t) (switch_codec_t *, switch_codec_flag_t, const switch_codec_settings_t *codec_settings);
 typedef switch_status_t (*switch_core_codec_fmtp_parse_func_t) (const char *fmtp, switch_codec_fmtp_t *codec_fmtp);
 typedef switch_status_t (*switch_core_codec_destroy_func_t) (switch_codec_t *);