1 /*
2  * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
3  * Copyright (C) 2005-2014, Anthony Minessale II <anthm@freeswitch.org>
4  *
5  * Version: MPL 1.1
6  *
7  * The contents of this file are subject to the Mozilla Public License Version
8  * 1.1 (the "License"); you may not use this file except in compliance with
9  * the License. You may obtain a copy of the License at
10  * http://www.mozilla.org/MPL/
11  *
12  * Software distributed under the License is distributed on an "AS IS" basis,
13  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14  * for the specific language governing rights and limitations under the
15  * License.
16  *
17  * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
18  *
19  * The Initial Developer of the Original Code is
20  * Anthony Minessale II <anthm@freeswitch.org>
21  * Portions created by the Initial Developer are Copyright (C)
22  * the Initial Developer. All Rights Reserved.
23  *
24  * Contributor(s):
25  *
26  * Anthony Minessale II <anthm@freeswitch.org>
27  *
28  * switch_jitterbuffer.h -- Audio/Video Jitter Buffer
29  *
30  */
31 
32 
33 #ifndef SWITCH_VIDDERBUFFER_H
34 #define SWITCH_VIDDERBUFFER_H
35 
36 typedef enum {
37 	SJB_QUEUE_ONLY = (1 << 0)
38 } switch_jb_flag_t;
39 
40 typedef enum {
41 	SJB_VIDEO = 0,
42 	SJB_AUDIO,
43 	SJB_TEXT
44 } switch_jb_type_t;
45 
46 
47 SWITCH_BEGIN_EXTERN_C
48 SWITCH_DECLARE(switch_status_t) switch_jb_create(switch_jb_t **jbp, switch_jb_type_t type,
49 												 uint32_t min_frame_len, uint32_t max_frame_len, switch_memory_pool_t *pool);
50 SWITCH_DECLARE(switch_status_t) switch_jb_set_frames(switch_jb_t *jb, uint32_t min_frame_len, uint32_t max_frame_len);
51 SWITCH_DECLARE(switch_status_t) switch_jb_peek_frame(switch_jb_t *jb, uint32_t ts, uint16_t seq, int peek, switch_frame_t *frame);
52 SWITCH_DECLARE(switch_status_t) switch_jb_get_frames(switch_jb_t *jb, uint32_t *min_frame_len, uint32_t *max_frame_len, uint32_t *cur_frame_len, uint32_t *highest_frame_len);
53 SWITCH_DECLARE(switch_status_t) switch_jb_destroy(switch_jb_t **jbp);
54 SWITCH_DECLARE(void) switch_jb_reset(switch_jb_t *jb);
55 SWITCH_DECLARE(void) switch_jb_debug_level(switch_jb_t *jb, uint8_t level);
56 SWITCH_DECLARE(int) switch_jb_frame_count(switch_jb_t *jb);
57 SWITCH_DECLARE(int) switch_jb_poll(switch_jb_t *jb);
58 SWITCH_DECLARE(switch_status_t) switch_jb_put_packet(switch_jb_t *jb, switch_rtp_packet_t *packet, switch_size_t len);
59 SWITCH_DECLARE(switch_size_t) switch_jb_get_last_read_len(switch_jb_t *jb);
60 SWITCH_DECLARE(switch_status_t) switch_jb_get_packet(switch_jb_t *jb, switch_rtp_packet_t *packet, switch_size_t *len);
61 SWITCH_DECLARE(uint32_t) switch_jb_pop_nack(switch_jb_t *jb);
62 SWITCH_DECLARE(switch_status_t) switch_jb_get_packet_by_seq(switch_jb_t *jb, uint16_t seq, switch_rtp_packet_t *packet, switch_size_t *len);
63 SWITCH_DECLARE(void) switch_jb_set_session(switch_jb_t *jb, switch_core_session_t *session);
64 SWITCH_DECLARE(void) switch_jb_ts_mode(switch_jb_t *jb, uint32_t samples_per_frame, uint32_t samples_per_second);
65 SWITCH_DECLARE(void) switch_jb_set_flag(switch_jb_t *jb, switch_jb_flag_t flag);
66 SWITCH_DECLARE(void) switch_jb_clear_flag(switch_jb_t *jb, switch_jb_flag_t flag);
67 SWITCH_DECLARE(uint32_t) switch_jb_get_nack_success(switch_jb_t *jb);
68 SWITCH_DECLARE(uint32_t) switch_jb_get_packets_per_frame(switch_jb_t *jb);
69 
70 SWITCH_END_EXTERN_C
71 #endif
72 
73 /* For Emacs:
74  * Local Variables:
75  * mode:c
76  * indent-tabs-mode:t
77  * tab-width:4
78  * c-basic-offset:4
79  * End:
80  * For VIM:
81  * vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
82  */
83