2017-10-09 22:11:01 +08:00
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/*
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2020-04-04 20:30:09 +08:00
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* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
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2017-09-27 16:20:30 +08:00
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*
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2021-01-17 18:31:50 +08:00
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* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
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2017-09-27 16:20:30 +08:00
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*
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2020-04-04 20:30:09 +08:00
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* Use of this source code is governed by MIT license that can be found in the
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* LICENSE file in the root of the source tree. All contributing project authors
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* may be found in the AUTHORS file in the root of the source tree.
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2017-09-27 16:20:30 +08:00
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*/
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2020-04-04 20:30:09 +08:00
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2017-04-01 16:35:56 +08:00
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#ifndef RTSP_RTSP_H_
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#define RTSP_RTSP_H_
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#include <string.h>
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#include <string>
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#include <memory>
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2017-04-25 11:35:41 +08:00
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#include <unordered_map>
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2017-05-05 18:04:23 +08:00
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#include "Util/util.h"
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2021-01-31 19:19:24 +08:00
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#include "Common/config.h"
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#include "Common/macros.h"
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2018-10-30 14:59:42 +08:00
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#include "Extension/Frame.h"
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2017-04-25 11:35:41 +08:00
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2017-04-01 16:35:56 +08:00
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using namespace std;
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2018-10-24 17:17:55 +08:00
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using namespace toolkit;
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using namespace mediakit;
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2017-04-01 16:35:56 +08:00
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2019-03-27 18:41:52 +08:00
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namespace mediakit {
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namespace Rtsp {
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typedef enum {
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2020-03-20 11:51:24 +08:00
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RTP_Invalid = -1,
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RTP_TCP = 0,
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RTP_UDP = 1,
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RTP_MULTICAST = 2,
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2019-03-27 18:41:52 +08:00
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} eRtpType;
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2020-03-26 17:12:21 +08:00
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#define RTP_PT_MAP(XX) \
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2020-04-18 23:00:48 +08:00
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XX(PCMU, TrackAudio, 0, 8000, 1, CodecG711U) \
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XX(GSM, TrackAudio , 3, 8000, 1, CodecInvalid) \
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XX(G723, TrackAudio, 4, 8000, 1, CodecInvalid) \
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XX(DVI4_8000, TrackAudio, 5, 8000, 1, CodecInvalid) \
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XX(DVI4_16000, TrackAudio, 6, 16000, 1, CodecInvalid) \
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XX(LPC, TrackAudio, 7, 8000, 1, CodecInvalid) \
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XX(PCMA, TrackAudio, 8, 8000, 1, CodecG711A) \
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XX(G722, TrackAudio, 9, 8000, 1, CodecInvalid) \
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XX(L16_Stereo, TrackAudio, 10, 44100, 2, CodecInvalid) \
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XX(L16_Mono, TrackAudio, 11, 44100, 1, CodecInvalid) \
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XX(QCELP, TrackAudio, 12, 8000, 1, CodecInvalid) \
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XX(CN, TrackAudio, 13, 8000, 1, CodecInvalid) \
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XX(MPA, TrackAudio, 14, 90000, 1, CodecInvalid) \
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XX(G728, TrackAudio, 15, 8000, 1, CodecInvalid) \
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XX(DVI4_11025, TrackAudio, 16, 11025, 1, CodecInvalid) \
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XX(DVI4_22050, TrackAudio, 17, 22050, 1, CodecInvalid) \
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XX(G729, TrackAudio, 18, 8000, 1, CodecInvalid) \
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XX(CelB, TrackVideo, 25, 90000, 1, CodecInvalid) \
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XX(JPEG, TrackVideo, 26, 90000, 1, CodecInvalid) \
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XX(nv, TrackVideo, 28, 90000, 1, CodecInvalid) \
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XX(H261, TrackVideo, 31, 90000, 1, CodecInvalid) \
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XX(MPV, TrackVideo, 32, 90000, 1, CodecInvalid) \
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XX(MP2T, TrackVideo, 33, 90000, 1, CodecInvalid) \
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XX(H263, TrackVideo, 34, 90000, 1, CodecInvalid) \
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2020-03-26 17:12:21 +08:00
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typedef enum {
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2020-04-18 23:00:48 +08:00
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#define ENUM_DEF(name, type, value, clock_rate, channel, codec_id) PT_ ## name = value,
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2020-03-26 17:12:21 +08:00
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RTP_PT_MAP(ENUM_DEF)
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#undef ENUM_DEF
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PT_MAX = 128
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} PayloadType;
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2019-03-27 18:41:52 +08:00
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};
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2021-01-31 19:19:24 +08:00
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#if defined(_WIN32)
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#pragma pack(push, 1)
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#endif // defined(_WIN32)
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class RtpHeader {
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public:
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#if __BYTE_ORDER == __BIG_ENDIAN
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//版本号,固定为2
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uint32_t version: 2;
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//padding
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uint32_t padding: 1;
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//扩展
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uint32_t ext: 1;
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//csrc
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uint32_t csrc: 4;
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//mark
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uint32_t mark: 1;
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//负载类型
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uint32_t pt: 7;
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#else
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//csrc
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uint32_t csrc: 4;
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//扩展
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uint32_t ext: 1;
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//padding
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uint32_t padding: 1;
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//版本号,固定为2
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uint32_t version: 2;
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//负载类型
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uint32_t pt: 7;
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//mark
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uint32_t mark: 1;
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#endif
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//序列号
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uint32_t seq: 16;
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//时间戳
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uint32_t stamp;
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//ssrc
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uint32_t ssrc;
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//负载,如果有csrc和ext,前面为 4 * csrc + (4 + 4 * ext_len)
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uint8_t payload;
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public:
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//返回csrc字段字节长度
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size_t getCsrcSize() const;
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//返回csrc字段首地址,不存在时返回nullptr
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uint8_t *getCsrcData();
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//返回ext字段字节长度
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size_t getExtSize() const;
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2021-05-06 12:02:16 +08:00
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//返回ext reserved值
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uint16_t getExtReserved() const;
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2021-01-31 19:19:24 +08:00
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//返回ext段首地址,不存在时返回nullptr
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uint8_t *getExtData();
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//返回有效负载指针,跳过csrc、ext
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uint8_t* getPayloadData();
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//返回有效负载总长度,不包括csrc、ext、padding
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2021-02-02 11:54:49 +08:00
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size_t getPayloadSize(size_t rtp_size) const;
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//打印调试信息
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string dumpString(size_t rtp_size) const;
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2021-01-31 19:19:24 +08:00
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private:
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//返回有效负载偏移量
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size_t getPayloadOffset() const;
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//返回padding长度
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size_t getPaddingSize(size_t rtp_size) const;
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} PACKED;
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#if defined(_WIN32)
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#pragma pack(pop)
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#endif // defined(_WIN32)
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//此rtp为rtp over tcp形式,需要忽略前4个字节
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2019-06-28 16:12:39 +08:00
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class RtpPacket : public BufferRaw{
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public:
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2021-01-31 19:19:24 +08:00
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using Ptr = std::shared_ptr<RtpPacket>;
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enum {
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kRtpVersion = 2,
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kRtpHeaderSize = 12,
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kRtpTcpHeaderSize = 4
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};
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2021-04-11 01:15:02 +08:00
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//获取rtp头
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2021-01-31 19:19:24 +08:00
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RtpHeader* getHeader();
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2021-07-12 21:18:22 +08:00
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const RtpHeader* getHeader() const;
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2021-04-11 01:15:02 +08:00
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//打印调试信息
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string dumpString() const;
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2021-01-31 19:19:24 +08:00
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//主机字节序的seq
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2021-07-12 21:18:22 +08:00
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uint16_t getSeq() const;
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uint32_t getStamp() const;
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2021-01-31 19:19:24 +08:00
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//主机字节序的时间戳,已经转换为毫秒
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2021-07-12 21:18:22 +08:00
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uint32_t getStampMS() const;
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2021-01-31 19:19:24 +08:00
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//主机字节序的ssrc
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2021-07-12 21:18:22 +08:00
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uint32_t getSSRC() const;
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2021-01-31 19:19:24 +08:00
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//有效负载,跳过csrc、ext
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uint8_t* getPayload();
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//有效负载长度,不包括csrc、ext、padding
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2021-07-12 21:18:22 +08:00
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size_t getPayloadSize() const;
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2021-01-31 19:19:24 +08:00
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//音视频类型
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2021-01-17 18:31:50 +08:00
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TrackType type;
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2021-01-31 19:19:24 +08:00
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//音频为采样率,视频一般为90000
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uint32_t sample_rate;
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2021-07-12 21:18:22 +08:00
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//ntp时间戳
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uint64_t ntp_stamp;
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2021-02-05 11:28:50 +08:00
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static Ptr create();
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private:
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friend class ResourcePool_l<RtpPacket>;
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RtpPacket() = default;
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2021-02-05 16:49:11 +08:00
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private:
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//对象个数统计
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ObjectStatistic<RtpPacket> _statistic;
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2019-06-28 16:12:39 +08:00
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};
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2021-01-31 21:09:25 +08:00
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class RtpPayload {
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2020-03-26 17:12:21 +08:00
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public:
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static int getClockRate(int pt);
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static TrackType getTrackType(int pt);
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static int getAudioChannel(int pt);
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static const char *getName(int pt);
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2020-04-18 23:00:48 +08:00
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static CodecId getCodecId(int pt);
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2021-01-31 21:09:25 +08:00
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2020-03-26 17:12:21 +08:00
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private:
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RtpPayload() = delete;
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~RtpPayload() = delete;
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};
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2019-03-27 18:41:52 +08:00
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class SdpTrack {
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2018-10-25 22:57:59 +08:00
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public:
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2021-01-31 21:09:25 +08:00
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using Ptr = std::shared_ptr<SdpTrack>;
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2020-03-20 11:51:24 +08:00
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string _t;
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string _b;
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2020-03-26 17:12:21 +08:00
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uint16_t _port;
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2018-10-25 22:57:59 +08:00
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2020-03-20 11:51:24 +08:00
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float _duration = 0;
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float _start = 0;
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float _end = 0;
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2018-10-25 22:57:59 +08:00
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2020-03-20 11:51:24 +08:00
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map<char, string> _other;
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2021-08-23 21:15:19 +08:00
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multimap<string, string> _attr;
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2019-08-15 19:13:31 +08:00
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2021-10-15 14:10:04 +08:00
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string toString(uint16_t port = 0) const;
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2020-03-26 17:12:21 +08:00
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string getName() const;
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2021-02-21 21:27:26 +08:00
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string getControlUrl(const string &base_url) const;
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2021-01-31 21:09:25 +08:00
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2018-10-25 22:57:59 +08:00
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public:
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2020-03-20 11:51:24 +08:00
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int _pt;
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2020-04-18 22:13:11 +08:00
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int _channel;
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2021-01-31 21:09:25 +08:00
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int _samplerate;
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TrackType _type;
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string _codec;
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2020-03-20 11:51:24 +08:00
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string _fmtp;
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string _control;
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2021-01-31 21:09:25 +08:00
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2018-10-26 09:56:29 +08:00
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public:
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2020-03-20 11:51:24 +08:00
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bool _inited = false;
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2021-01-31 21:09:25 +08:00
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uint8_t _interleaved = 0;
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2020-03-20 11:51:24 +08:00
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uint16_t _seq = 0;
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2021-01-31 21:09:25 +08:00
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uint32_t _ssrc = 0;
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2020-03-20 11:51:24 +08:00
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//时间戳,单位毫秒
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uint32_t _time_stamp = 0;
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2018-10-25 22:57:59 +08:00
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};
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2019-03-27 18:41:52 +08:00
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2019-06-28 16:48:02 +08:00
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class SdpParser {
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2018-10-25 22:57:59 +08:00
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public:
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2021-01-31 21:09:25 +08:00
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using Ptr = std::shared_ptr<SdpParser>;
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2020-03-20 11:51:24 +08:00
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SdpParser() {}
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SdpParser(const string &sdp) { load(sdp); }
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~SdpParser() {}
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2021-01-31 21:09:25 +08:00
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2020-03-20 11:51:24 +08:00
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void load(const string &sdp);
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bool available() const;
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SdpTrack::Ptr getTrack(TrackType type) const;
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vector<SdpTrack::Ptr> getAvailableTrack() const;
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2021-01-31 21:09:25 +08:00
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string toString() const;
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2018-10-25 22:57:59 +08:00
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private:
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2020-03-20 11:51:24 +08:00
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vector<SdpTrack::Ptr> _track_vec;
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2018-10-25 22:57:59 +08:00
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};
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2017-04-01 16:35:56 +08:00
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2020-01-04 12:03:53 +08:00
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/**
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* 解析rtsp url的工具类
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*/
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class RtspUrl{
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public:
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2021-01-31 21:09:25 +08:00
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bool _is_ssl;
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uint16_t _port;
|
2020-03-20 11:51:24 +08:00
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string _url;
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string _user;
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string _passwd;
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string _host;
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2021-01-31 21:09:25 +08:00
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2020-01-04 12:03:53 +08:00
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public:
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2020-03-20 11:51:24 +08:00
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RtspUrl() = default;
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~RtspUrl() = default;
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bool parse(const string &url);
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2021-01-31 21:09:25 +08:00
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|
2020-01-04 12:03:53 +08:00
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private:
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2020-03-20 11:51:24 +08:00
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bool setup(bool,const string &, const string &, const string &);
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2020-01-04 12:03:53 +08:00
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};
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2017-04-01 16:35:56 +08:00
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2019-06-28 16:12:39 +08:00
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/**
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* rtsp sdp基类
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*/
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class Sdp : public CodecInfo{
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public:
|
2021-01-31 21:09:25 +08:00
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using Ptr = std::shared_ptr<Sdp>;
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2020-03-20 11:51:24 +08:00
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/**
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* 构造sdp
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* @param sample_rate 采样率
|
2020-05-25 13:51:00 +08:00
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* @param payload_type pt类型
|
2020-03-20 11:51:24 +08:00
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*/
|
2020-05-25 13:51:00 +08:00
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Sdp(uint32_t sample_rate, uint8_t payload_type){
|
2020-03-20 11:51:24 +08:00
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_sample_rate = sample_rate;
|
2020-05-25 13:51:00 +08:00
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_payload_type = payload_type;
|
2020-03-20 11:51:24 +08:00
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}
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virtual ~Sdp(){}
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/**
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* 获取sdp字符串
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* @return
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*/
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virtual string getSdp() const = 0;
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/**
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* 获取pt
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* @return
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*/
|
2020-05-25 13:51:00 +08:00
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uint8_t getPayloadType() const{
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|
return _payload_type;
|
2020-03-20 11:51:24 +08:00
|
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}
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/**
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* 获取采样率
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* @return
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|
*/
|
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|
uint32_t getSampleRate() const{
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|
|
return _sample_rate;
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|
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|
}
|
2021-01-31 21:09:25 +08:00
|
|
|
|
|
2019-06-28 16:12:39 +08:00
|
|
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|
private:
|
2020-05-25 13:51:00 +08:00
|
|
|
|
uint8_t _payload_type;
|
2020-03-20 11:51:24 +08:00
|
|
|
|
uint32_t _sample_rate;
|
2019-06-28 16:12:39 +08:00
|
|
|
|
};
|
|
|
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|
|
|
|
|
/**
|
|
|
|
|
* sdp中除音视频外的其他描述部分
|
|
|
|
|
*/
|
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|
|
class TitleSdp : public Sdp{
|
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public:
|
2021-09-29 00:04:36 +08:00
|
|
|
|
using Ptr = std::shared_ptr<TitleSdp>;
|
2020-03-20 11:51:24 +08:00
|
|
|
|
/**
|
|
|
|
|
* 构造title类型sdp
|
|
|
|
|
* @param dur_sec rtsp点播时长,0代表直播,单位秒
|
|
|
|
|
* @param header 自定义sdp描述
|
|
|
|
|
* @param version sdp版本
|
|
|
|
|
*/
|
|
|
|
|
TitleSdp(float dur_sec = 0,
|
2021-09-29 00:04:36 +08:00
|
|
|
|
const map<string, string> &header = map<string, string>(),
|
|
|
|
|
int version = 0) : Sdp(0, 0) {
|
2020-03-20 11:51:24 +08:00
|
|
|
|
_printer << "v=" << version << "\r\n";
|
|
|
|
|
|
2021-09-29 00:04:36 +08:00
|
|
|
|
if (!header.empty()) {
|
|
|
|
|
for (auto &pr : header) {
|
2020-03-20 11:51:24 +08:00
|
|
|
|
_printer << pr.first << "=" << pr.second << "\r\n";
|
|
|
|
|
}
|
|
|
|
|
} else {
|
2020-04-04 19:55:11 +08:00
|
|
|
|
_printer << "o=- 0 0 IN IP4 0.0.0.0\r\n";
|
2021-10-16 16:58:03 +08:00
|
|
|
|
_printer << "s=Streamed by " << kServerName << "\r\n";
|
2020-03-20 11:51:24 +08:00
|
|
|
|
_printer << "c=IN IP4 0.0.0.0\r\n";
|
|
|
|
|
_printer << "t=0 0\r\n";
|
|
|
|
|
}
|
|
|
|
|
|
2021-09-29 00:04:36 +08:00
|
|
|
|
if (dur_sec <= 0) {
|
2020-04-04 19:55:11 +08:00
|
|
|
|
//直播
|
2020-04-03 14:09:03 +08:00
|
|
|
|
_printer << "a=range:npt=now-\r\n";
|
2021-09-29 00:04:36 +08:00
|
|
|
|
} else {
|
2020-04-04 19:55:11 +08:00
|
|
|
|
//点播
|
2021-09-29 00:04:36 +08:00
|
|
|
|
_dur_sec = dur_sec;
|
|
|
|
|
_printer << "a=range:npt=0-" << dur_sec << "\r\n";
|
2020-03-20 11:51:24 +08:00
|
|
|
|
}
|
|
|
|
|
_printer << "a=control:*\r\n";
|
|
|
|
|
}
|
2021-09-29 00:04:36 +08:00
|
|
|
|
|
2020-03-20 11:51:24 +08:00
|
|
|
|
string getSdp() const override {
|
|
|
|
|
return _printer;
|
|
|
|
|
}
|
|
|
|
|
|
2021-09-29 00:04:36 +08:00
|
|
|
|
CodecId getCodecId() const override {
|
2020-03-20 11:51:24 +08:00
|
|
|
|
return CodecInvalid;
|
|
|
|
|
}
|
2021-09-29 00:04:36 +08:00
|
|
|
|
|
|
|
|
|
float getDuration() const {
|
|
|
|
|
return _dur_sec;
|
|
|
|
|
}
|
|
|
|
|
|
2019-06-28 16:12:39 +08:00
|
|
|
|
private:
|
2021-09-29 00:04:36 +08:00
|
|
|
|
float _dur_sec = 0;
|
2020-03-20 11:51:24 +08:00
|
|
|
|
_StrPrinter _printer;
|
2019-06-28 16:12:39 +08:00
|
|
|
|
};
|
|
|
|
|
|
2021-01-31 21:09:25 +08:00
|
|
|
|
//创建rtp over tcp4个字节的头
|
|
|
|
|
Buffer::Ptr makeRtpOverTcpPrefix(uint16_t size, uint8_t interleaved);
|
|
|
|
|
//创建rtp-rtcp端口对
|
2020-09-12 19:03:52 +08:00
|
|
|
|
void makeSockPair(std::pair<Socket::Ptr, Socket::Ptr> &pair, const string &local_ip);
|
2021-01-31 21:09:25 +08:00
|
|
|
|
//十六进制方式打印ssrc
|
2020-07-07 09:58:08 +08:00
|
|
|
|
string printSSRC(uint32_t ui32Ssrc);
|
2020-05-12 10:22:21 +08:00
|
|
|
|
|
2019-03-27 18:41:52 +08:00
|
|
|
|
} //namespace mediakit
|
2017-04-01 16:35:56 +08:00
|
|
|
|
#endif //RTSP_RTSP_H_
|