Changeset 2759 for pjproject/trunk/pjmedia/include/pjmedia/config.h
- Timestamp:
- Jun 12, 2009 5:37:13 PM (15 years ago)
- File:
-
- 1 edited
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pjproject/trunk/pjmedia/include/pjmedia/config.h
r2506 r2759 697 697 698 698 699 /** 700 * Value to be specified in PJMEDIA_STREAM_ENABLE_KA setting. 701 * This indicates that an empty RTP packet should be used as 702 * the keep-alive packet. 703 */ 704 #define PJMEDIA_STREAM_KA_EMPTY_RTP 1 705 706 /** 707 * Value to be specified in PJMEDIA_STREAM_ENABLE_KA setting. 708 * This indicates that a user defined packet should be used 709 * as the keep-alive packet. The content of the user-defined 710 * packet is specified by PJMEDIA_STREAM_KA_USER_PKT. Default 711 * content is a CR-LF packet. 712 */ 713 #define PJMEDIA_STREAM_KA_USER 2 714 715 /** 716 * The content of the user defined keep-alive packet. The format 717 * of the packet is initializer to pj_str_t structure. Note that 718 * the content may contain NULL character. 719 */ 720 #ifndef PJMEDIA_STREAM_KA_USER_PKT 721 # define PJMEDIA_STREAM_KA_USER_PKT { "\r\n", 2 } 722 #endif 723 724 /** 725 * Specify another type of keep-alive and NAT hole punching 726 * mechanism (the other type is PJMEDIA_STREAM_VAD_SUSPEND_MSEC 727 * and PJMEDIA_CODEC_MAX_SILENCE_PERIOD) to be used by stream. 728 * When this feature is enabled, the stream will initially 729 * transmit one packet to punch a hole in NAT, and periodically 730 * transmit keep-alive packets. 731 * 732 * When this alternative keep-alive mechanism is used, application 733 * may disable the other keep-alive mechanisms, i.e: by setting 734 * PJMEDIA_STREAM_VAD_SUSPEND_MSEC to zero and 735 * PJMEDIA_CODEC_MAX_SILENCE_PERIOD to -1. 736 * 737 * The value of this macro specifies the type of packet used 738 * for the keep-alive mechanism. Valid values are 739 * PJMEDIA_STREAM_KA_EMPTY_RTP and PJMEDIA_STREAM_KA_USER. 740 * 741 * The duration of the keep-alive interval further can be set 742 * with PJMEDIA_STREAM_KA_INTERVAL setting. 743 * 744 * Default: 0 (disabled) 745 */ 746 #ifndef PJMEDIA_STREAM_ENABLE_KA 747 # define PJMEDIA_STREAM_ENABLE_KA 0 748 #endif 749 750 751 /** 752 * Specify the keep-alive interval of PJMEDIA_STREAM_ENABLE_KA 753 * mechanism, in seconds. 754 * 755 * Default: 5 seconds 756 */ 757 #ifndef PJMEDIA_STREAM_KA_INTERVAL 758 # define PJMEDIA_STREAM_KA_INTERVAL 5 759 #endif 760 699 761 700 762 /**
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