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初步完成Rtp解包

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This commit is contained in:
xiongziliang 2018-10-23 18:39:17 +08:00
parent 49daa1baad
commit 8930dd099e
13 changed files with 158 additions and 118 deletions
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9
src/Player/Frame.h
View File

@ -27,6 +27,8 @@ typedef enum {
class CodecInfo {
public:
typedef std::shared_ptr<CodecInfo> Ptr;
CodecInfo(){}
virtual ~CodecInfo(){}
@ -63,6 +65,7 @@ public:
class FrameRingInterface {
public:
typedef RingBuffer<Frame::Ptr> RingType;
typedef std::shared_ptr<FrameRingInterface> Ptr;
FrameRingInterface(){}
virtual ~FrameRingInterface(){}
@ -83,8 +86,9 @@ public:
* 写入帧数据
* @param frame 帧
* @param key_pos 是否为关键帧
* @return 是否为关键帧
*/
virtual void inputFrame(const Frame::Ptr &frame,bool key_pos) = 0;
virtual bool inputFrame(const Frame::Ptr &frame,bool key_pos) = 0;
};
@ -118,8 +122,9 @@ public:
* @param frame
* @param key_pos
*/
void inputFrame(const Frame::Ptr &frame,bool key_pos) override{
bool inputFrame(const Frame::Ptr &frame,bool key_pos) override{
_frameRing->write(frame,key_pos);
return key_pos;
}
protected:
RingType::Ptr _frameRing;

15
src/Player/PlayerBase.h
View File

@ -87,8 +87,7 @@ public:
virtual float getRtpLossRate(int trackType) const {return 0; }
virtual float getDuration() const { return 0;}
virtual int getTrackCount() const { return 0;}
virtual Track::Ptr getTrack(int index) const {return nullptr;}
virtual vector<Track::Ptr> getTracks() const { return vector<Track::Ptr>();}
protected:
virtual void onShutdown(const SockException &ex) {}
virtual void onPlayResult(const SockException &ex) {}
@ -146,17 +145,11 @@ public:
m_pMediaSrc = src;
}
virtual int getTrackCount() const override{
vector<Track::Ptr> getTracks() const override{
if (m_parser) {
return m_parser->getTrackCount();
return m_parser->getTracks();
}
return PlayerBase::getTrackCount();
}
virtual Track::Ptr getTrack(int index) const override{
if (m_parser) {
return m_parser->getTrack(index);
}
return PlayerBase::getTrack(index);
return PlayerBase::getTracks();
}
protected:
void onShutdown(const SockException &ex) override {

10
src/Player/Track.h
View File

@ -26,6 +26,8 @@ public:
class VideoTrack : public Track {
public:
typedef std::shared_ptr<VideoTrack> Ptr;
TrackType getTrackType() const override { return TrackVideo;};
/**
@ -49,6 +51,8 @@ public:
class AudioTrack : public Track {
public:
typedef std::shared_ptr<AudioTrack> Ptr;
TrackType getTrackType() const override { return TrackAudio;};
/**
@ -72,6 +76,7 @@ public:
class H264Track : public VideoTrack{
public:
typedef std::shared_ptr<H264Track> Ptr;
/**
* 不指定sps pps构造h264类型的媒体
@ -162,7 +167,7 @@ public:
* @param frame 数据帧
* @param key_pos 是否为关键帧
*/
void inputFrame(const Frame::Ptr &frame,bool key_pos) override{
bool inputFrame(const Frame::Ptr &frame,bool key_pos) override{
int type = (*((uint8_t *)frame->data() + frame->prefixSize())) & 0x1F;
switch (type){
case 7:{
@ -209,6 +214,7 @@ public:
}
break;
}
return type == 5;
}
private:
/**
@ -228,6 +234,8 @@ private:
class AACTrack : public AudioTrack{
public:
typedef std::shared_ptr<AACTrack> Ptr;
/**
* 构造aac类型的媒体
* @param aac_cfg aac两个字节的配置信息

10
src/RTP/AACRtpCodec.cpp
View File

@ -17,7 +17,7 @@ AACRtpEncoder::AACRtpEncoder(uint32_t ui32Ssrc,
AACRtpDecoder(ui32SampleRate){
}
void AACRtpEncoder::inputFrame(const Frame::Ptr &frame, bool key_pos) {
bool AACRtpEncoder::inputFrame(const Frame::Ptr &frame, bool key_pos) {
RtpCodec::inputFrame(frame, false);
GET_CONFIG_AND_REGISTER(uint32_t, cycleMS, Config::Rtp::kCycleMS);
@ -46,8 +46,8 @@ void AACRtpEncoder::inputFrame(const Frame::Ptr &frame, bool key_pos) {
makeAACRtp(m_aucSectionBuf, m_ui32MtuSize - 16, false, uiStamp);
ptr += (m_ui32MtuSize - 20);
iSize -= (m_ui32MtuSize - 20);
}
return false;
}
void AACRtpEncoder::makeAACRtp(const void *pData, unsigned int uiLen, bool bMark, uint32_t uiStamp) {
@ -100,24 +100,24 @@ AACFrame::Ptr AACRtpDecoder::obtainFrame() {
return frame;
}
void AACRtpDecoder::inputRtp(const RtpPacket::Ptr &rtppack, bool key_pos) {
bool AACRtpDecoder::inputRtp(const RtpPacket::Ptr &rtppack, bool key_pos) {
RtpCodec::inputRtp(rtppack, false);
int length = rtppack->length - rtppack->offset;
if (m_adts->aac_frame_length + length - 4 > sizeof(AACFrame::buffer)) {
m_adts->aac_frame_length = 7;
WarnL << "aac负载数据太长";
return;
return false;
}
memcpy(m_adts->buffer + m_adts->aac_frame_length, rtppack->payload + rtppack->offset + 4, length - 4);
m_adts->aac_frame_length += (length - 4);
if (rtppack->mark == true) {
m_adts->sequence = rtppack->sequence;
//todo(xzl) 此处完成时间戳转换
m_adts->timeStamp = rtppack->timeStamp * (1000.0 / m_sampleRate);
writeAdtsHeader(*m_adts, m_adts->buffer);
onGetAdts(m_adts);
}
return false;
}
void AACRtpDecoder::onGetAdts(const AACFrame::Ptr &frame) {

8
src/RTP/AACRtpCodec.h
View File

@ -12,6 +12,8 @@
*/
class AACRtpDecoder : public RtpCodec {
public:
typedef std::shared_ptr<AACRtpDecoder> Ptr;
/**
* @param ui32SampleRate 采样率，用于时间戳转换用
*/
@ -23,7 +25,7 @@ public:
* @param rtp rtp数据包
* @param key_pos 此参数内部强制转换为false,请忽略之
*/
void inputRtp(const RtpPacket::Ptr &rtp, bool key_pos = false) override;
bool inputRtp(const RtpPacket::Ptr &rtp, bool key_pos = false) override;
TrackType getTrackType() const override{
return TrackAudio;
@ -47,6 +49,8 @@ private:
*/
class AACRtpEncoder : public AACRtpDecoder , public RtpInfo {
public:
typedef std::shared_ptr<AACRtpEncoder> Ptr;
/**
* @param ui32Ssrc ssrc
* @param ui32MtuSize mtu 大小
@ -66,7 +70,7 @@ public:
* @param frame 带dats头的aac数据
* @param key_pos 此参数内部强制转换为false,请忽略之
*/
void inputFrame(const Frame::Ptr &frame, bool key_pos = false) override;
bool inputFrame(const Frame::Ptr &frame, bool key_pos = false) override;
private:
void makeAACRtp(const void *pData, unsigned int uiLen, bool bMark, uint32_t uiStamp);
private:

14
src/RTP/H264RtpCodec.cpp
View File

@ -17,8 +17,10 @@ H264Frame::Ptr H264RtpDecoder::obtainFrame() {
return frame;
}
void H264RtpDecoder::inputRtp(const RtpPacket::Ptr &rtp, bool key_pos) {
RtpCodec::inputRtp(rtp, decodeRtp(rtp));
bool H264RtpDecoder::inputRtp(const RtpPacket::Ptr &rtp, bool key_pos) {
key_pos = decodeRtp(rtp);
RtpCodec::inputRtp(rtp, key_pos);
return key_pos;
}
bool H264RtpDecoder::decodeRtp(const RtpPacket::Ptr &rtppack) {
@ -116,12 +118,14 @@ H264RtpEncoder::H264RtpEncoder(uint32_t ui32Ssrc,
ui8Interleaved) {
}
void H264RtpEncoder::inputFrame(const Frame::Ptr &frame, bool key_pos) {
bool H264RtpEncoder::inputFrame(const Frame::Ptr &frame, bool key_pos) {
auto pcData = frame->data() + frame->prefixSize();
key_pos = (((uint8_t *) (pcData))[0] & 0x1F) == 5;
RtpCodec::inputFrame(frame, key_pos);
GET_CONFIG_AND_REGISTER(uint32_t,cycleMS,Config::Rtp::kCycleMS);
auto uiStamp = frame->stamp();
auto pcData = frame->data() + frame->prefixSize();
auto iLen = frame->size() - frame->prefixSize();
uiStamp %= cycleMS;
@ -163,6 +167,8 @@ void H264RtpEncoder::inputFrame(const Frame::Ptr &frame, bool key_pos) {
} else {
makeH264Rtp(pcData, iLen, true, uiStamp);
}
return key_pos;
}
void H264RtpEncoder::makeH264Rtp(const void* data, unsigned int len, bool mark, uint32_t uiStamp) {

7
src/RTP/H264RtpCodec.h
View File

@ -15,6 +15,8 @@ using namespace ZL::Util;
*/
class H264RtpDecoder : public RtpCodec {
public:
typedef std::shared_ptr<H264RtpDecoder> Ptr;
H264RtpDecoder();
~H264RtpDecoder() {}
@ -23,7 +25,7 @@ public:
* @param rtp rtp包
* @param key_pos 此参数忽略之
*/
void inputRtp(const RtpPacket::Ptr &rtp, bool key_pos = true) override;
bool inputRtp(const RtpPacket::Ptr &rtp, bool key_pos = true) override;
TrackType getTrackType() const override{
return TrackVideo;
@ -46,6 +48,7 @@ private:
*/
class H264RtpEncoder : public H264RtpDecoder ,public RtpInfo{
public:
typedef std::shared_ptr<H264RtpEncoder> Ptr;
/**
* @param ui32Ssrc ssrc
@ -66,7 +69,7 @@ public:
* @param frame 帧数据，必须
* @param key_pos
*/
void inputFrame(const Frame::Ptr &frame, bool key_pos) override;
bool inputFrame(const Frame::Ptr &frame, bool key_pos) override;
private:
void makeH264Rtp(const void *pData, unsigned int uiLen, bool bMark, uint32_t uiStamp);
private:

14
src/RTP/RtpCodec.cpp
View File

@ -6,7 +6,7 @@
#include "AACRtpCodec.h"
#include "H264RtpCodec.h"
RtpCodec::Ptr RtpCodec::getRtpCodecById(CodecId codecId,
RtpCodec::Ptr RtpCodec::getRtpEncoderById(CodecId codecId,
uint32_t ui32Ssrc,
uint32_t ui32MtuSize,
uint32_t ui32SampleRate,
@ -21,3 +21,15 @@ RtpCodec::Ptr RtpCodec::getRtpCodecById(CodecId codecId,
return nullptr;
}
}
RtpCodec::Ptr RtpCodec::getRtpDecoderById(CodecId codecId, uint32_t ui32SampleRate) {
switch (codecId){
case CodecH264:
return std::make_shared<H264RtpDecoder>();
case CodecAAC:
return std::make_shared<AACRtpDecoder>(ui32SampleRate);
default:
return nullptr;
}
}

27
src/RTP/RtpCodec.h
View File

@ -41,12 +41,30 @@ public:
class RtpRingInterface {
public:
typedef RingBuffer<RtpPacket::Ptr> RingType;
typedef std::shared_ptr<RtpRingInterface> Ptr;
RtpRingInterface(){}
virtual ~RtpRingInterface(){}
/**
* 获取rtp环形缓存
* @return
*/
virtual RingType::Ptr getRtpRing() const = 0;
/**
* 设置rtp环形缓存
* @param ring
*/
virtual void setRtpRing(const RingType::Ptr &ring) = 0;
virtual void inputRtp(const RtpPacket::Ptr &rtp, bool key_pos) = 0;
/**
* 输入rtp包
* @param rtp rtp包
* @param key_pos 是否为关键帧第一个rtp包
* @return 是否为关键帧第一个rtp包
*/
virtual bool inputRtp(const RtpPacket::Ptr &rtp, bool key_pos) = 0;
};
class RtpRing : public RtpRingInterface {
@ -67,8 +85,9 @@ public:
_rtpRing = ring;
}
void inputRtp(const RtpPacket::Ptr &rtp, bool key_pos) override{
bool inputRtp(const RtpPacket::Ptr &rtp, bool key_pos) override{
_rtpRing->write(rtp,key_pos);
return key_pos;
}
protected:
RingType::Ptr _rtpRing;
@ -143,12 +162,14 @@ public:
RtpCodec(){}
virtual ~RtpCodec(){}
static Ptr getRtpCodecById(CodecId codecId,
static Ptr getRtpEncoderById(CodecId codecId,
uint32_t ui32Ssrc,
uint32_t ui32MtuSize,
uint32_t ui32SampleRate,
uint8_t ui8PlayloadType,
uint8_t ui8Interleaved);
static Ptr getRtpDecoderById(CodecId codecId,uint32_t ui32SampleRate);
};

2
src/Rtmp/RtmpMediaSource.h
View File

@ -85,7 +85,7 @@ public:
lock_guard<recursive_mutex> lock(m_mtxMap);
m_metadata = _metadata;
RtmpParser parser(_metadata);
m_iCfgFrameSize = parser.getTrackCount();
m_iCfgFrameSize = parser.getTracks().size();
if(ready()){
MediaSource::regist();
m_bRegisted = true;

67
src/Rtsp/RtpParser.cpp
View File

@ -53,76 +53,73 @@ static int getTimeInSDP(const string &sdp) {
RtpParser::RtpParser(const string& sdp) {
RtspTrack tmp[2];
int cnt = parserSDP(sdp, tmp);
if (0 == cnt) {
throw std::runtime_error("parse sdp failed");
}
for (int i = 0; i < cnt; i++) {
switch (tmp[i].type) {
case TrackVideo: {
try {
onGetVideoTrack(tmp[i]);
m_bHaveVideo = true;
m_mapTracks.emplace(tmp[i].PT, tmp[i]);
} catch (std::exception &ex) {
WarnL << ex.what();
}
}
break;
case TrackAudio: {
try {
onGetAudioTrack(tmp[i]);
m_bHaveAudio = true;
m_mapTracks.emplace(tmp[i].PT, tmp[i]);
} catch (std::exception &ex) {
WarnL << ex.what();
}
}
break;
default:
break;
}
}
if (!m_bHaveVideo && !m_bHaveAudio) {
throw std::runtime_error("不支持该RTSP媒体格式");
}
m_fDuration = getTimeInSDP(sdp);
}
RtpParser::~RtpParser() {
}
bool RtpParser::inputRtp(const RtpPacket::Ptr & rtp) {
auto &track = m_mapTracks[rtp->PT];
switch (track.type) {
switch (rtp->getTrackType()) {
case TrackVideo:
if (m_bHaveVideo) {
return inputVideo(rtp, track);
}
return false;
return inputVideo(rtp);
case TrackAudio:
if (m_bHaveAudio) {
return inputAudio(rtp, track);
}
return false;
return inputAudio(rtp);
default:
return false;
}
}
inline bool RtpParser::inputVideo(const RtpPacket::Ptr & rtp, const RtspTrack& track) {
inline bool RtpParser::inputVideo(const RtpPacket::Ptr &rtp) {
if(_videoRtpDecoder){
return _videoRtpDecoder->inputRtp(rtp, true);
}
return false;
}
inline bool RtpParser::inputAudio(const RtpPacket::Ptr &rtp) {
if(_audioRtpDecoder){
return _audioRtpDecoder->inputRtp(rtp, false);
}
return false;
}
inline void RtpParser::onGetAudioTrack(const RtspTrack& audio) {
_audioTrack = dynamic_pointer_cast<AudioTrack>(Track::getTrackBySdp(audio.trackSdp));
if(_audioTrack){
_audioRtpDecoder = RtpCodec::getRtpDecoderById(_audioTrack->getCodecId(),_audioTrack->getAudioSampleRate());
}
}
inline void RtpParser::onGetVideoTrack(const RtspTrack& video) {
_videoTrack = dynamic_pointer_cast<VideoTrack>(Track::getTrackBySdp(video.trackSdp));
if(_videoTrack){
_videoRtpDecoder = RtpCodec::getRtpDecoderById(_videoTrack->getCodecId(),90000);
}
}
inline bool RtpParser::inputAudio(const RtpPacket::Ptr &rtppack, const RtspTrack& track) {
vector<Track::Ptr> RtpParser::getTracks() const {
vector<Track::Ptr> ret;
if(_videoTrack){
ret.emplace_back(_videoTrack);
}
if(_audioTrack){
ret.emplace_back(_audioTrack);
}
return ret;
}
} /* namespace Rtsp */
} /* namespace ZL */

31
src/Rtsp/RtpParser.h
View File

@ -45,7 +45,8 @@ class RtpParser : public PlayerBase{
public:
typedef std::shared_ptr<RtpParser> Ptr;
RtpParser(const string &sdp);
virtual ~RtpParser();
virtual ~RtpParser(){};
//返回值：true 代表是i帧第一个rtp包
bool inputRtp(const RtpPacket::Ptr &rtp);
@ -54,32 +55,22 @@ public:
}
bool isInited() const override{
if (m_bHaveAudio && !m_strAudioCfg.size()) {
return false;
}
if (m_bHaveVideo && !m_strSPS.size()) {
return false;
}
return true;
}
private:
std::unordered_map<uint8_t, RtspTrack> m_mapTracks;
vector<Track::Ptr> getTracks() const override;
private:
inline void onGetAudioTrack(const RtspTrack &audio);
inline void onGetVideoTrack(const RtspTrack &video);
//返回值：true 代表是i帧第一个rtp包
inline bool inputVideo(const RtpPacket::Ptr &rtp, const RtspTrack &track);
inline bool inputAudio(const RtpPacket::Ptr &rtp, const RtspTrack &track);
string m_strSPS;
string m_strPPS;
string m_strAudioCfg;
bool m_bHaveAudio = false;
bool m_bHaveVideo= false;
inline bool inputVideo(const RtpPacket::Ptr &rtp);
inline bool inputAudio(const RtpPacket::Ptr &rtp);
private:
float m_fDuration = 0;
recursive_mutex m_mtxCB;
AudioTrack::Ptr _audioTrack;
VideoTrack::Ptr _videoTrack;
RtpCodec::Ptr _audioRtpDecoder;
RtpCodec::Ptr _videoRtpDecoder;
};
} /* namespace Rtsp */

22
src/Rtsp/RtspEncoder.h
View File

@ -73,8 +73,8 @@ public:
* @param frame 帧数据
* @param key_pos 是否为关键帧
*/
void inputFrame(const Frame::Ptr &frame,bool key_pos) override{
_encoder->inputFrame(frame,key_pos);
bool inputFrame(const Frame::Ptr &frame,bool key_pos) override{
return _encoder->inputFrame(frame,key_pos);
}
/**
@ -82,8 +82,8 @@ public:
* @param rtp rtp数据包
* @param key_pos 是否为关键帧第一个rtp包
*/
void inputRtp(const RtpPacket::Ptr &rtp, bool key_pos) override{
_encoder->inputRtp(rtp,key_pos);
bool inputRtp(const RtpPacket::Ptr &rtp, bool key_pos) override{
return _encoder->inputRtp(rtp,key_pos);
}
/**
@ -108,7 +108,7 @@ public:
* @param mtu mtu大小，一般小于1500字节，推荐1400
*/
virtual void createRtpEncoder(uint32_t ssrc, int mtu) {
_encoder = RtpCodec::getRtpCodecById(getCodecId(),
_encoder = RtpCodec::getRtpEncoderById(getCodecId(),
ssrc,
mtu,
_sample_rate,
@ -315,12 +315,12 @@ public:
* @param frame 帧数据
* @param key_pos 是否为关键帧
*/
void inputFrame(const Frame::Ptr &frame,bool key_pos = true) override {
bool inputFrame(const Frame::Ptr &frame,bool key_pos = true) override {
auto it = _sdp_map.find(frame->getTrackType());
if(it == _sdp_map.end()){
return ;
return false;
}
it->second->inputFrame(frame,key_pos);
return it->second->inputFrame(frame,key_pos);
}
/**
@ -328,12 +328,12 @@ public:
* @param rtp rtp包
* @param key_pos 是否为关键帧的第一个rtp包
*/
void inputRtp(const RtpPacket::Ptr &rtp, bool key_pos = true) override {
bool inputRtp(const RtpPacket::Ptr &rtp, bool key_pos = true) override {
auto it = _sdp_map.find(rtp->getTrackType());
if(it == _sdp_map.end()){
return ;
return false;
}
it->second->inputRtp(rtp,key_pos);
return it->second->inputRtp(rtp,key_pos);
}
/**