rtphint.h
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:2k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- * 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 MPEG4IP.
- *
- * The Initial Developer of the Original Code is Cisco Systems Inc.
- * Portions created by Cisco Systems Inc. are
- * Copyright (C) Cisco Systems Inc. 2000, 2001. All Rights Reserved.
- *
- * Contributor(s):
- * Dave Mackie dmackie@cisco.com
- */
- #ifndef __RTPHINT_INCLUDED__
- #define __RTPHINT_INCLUDED__
- typedef struct {
- u_int16_t entryCount;
- u_int16_t reserved;
- /* entryCount of quicktime_rtp_packet_entry follow */
- } quicktime_rtp_sample_t;
- typedef struct {
- u_int32_t relativeXmitTime;
- u_int16_t headerInfo;
- u_int16_t seqNum;
- u_int16_t flags;
- u_int16_t numDataEntries;
- /*
- * if X bit is set in flags,
- * u_int32_t tlvTableSize
- * tlvTableEntries
- */
- /*
- * numDataEntries of quicktime_rtp_data_entry follows
- */
- } quicktime_rtp_packet_entry_t;
- typedef struct {
- u_int32_t size;
- char id[4];
- /* size - 8 bytes follow */
- u_char data; /* convience placeholder */
- /* N.B. don't use sizeof(quicktime_rtp_tlv_entry_t) */
- } quicktime_rtp_tlv_entry_t;
- typedef struct {
- u_int8_t source;
- u_int8_t padding[15];
- } quicktime_rtp_null_data_entry_t;
- typedef struct {
- u_int8_t source;
- u_int8_t length;
- u_int8_t data[14];
- } quicktime_rtp_immed_data_entry_t;
- typedef struct {
- u_int8_t source;
- u_int8_t trackId;
- u_int16_t length;
- u_int32_t fromSampleNum;
- u_int32_t offset;
- u_int16_t bytesPerCompressionBlock;
- u_int16_t samplesPerCompressionBlock;
- } quicktime_rtp_sample_data_entry_t;
- typedef union {
- quicktime_rtp_null_data_entry_t null;
- quicktime_rtp_immed_data_entry_t immed;
- quicktime_rtp_sample_data_entry_t sample;
- } quicktime_rtp_data_entry_t;
- typedef struct {
- u_int32_t trpy;
- u_int32_t nump;
- u_int32_t tpyl;
- u_int32_t dmed;
- u_int32_t dimm;
- u_int32_t drep;
- int32_t tmin;
- int32_t tmax;
- u_int32_t pmax;
- } quicktime_hint_info_t;
- #define RTP_HEADER_STD_SIZE 12
- #endif /* __RTPHINT_INCLUDED__ */