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常数改成枚举

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xiongziliang
2018-10-30 15:56:00 +08:00
parent 4cb74454c0
commit 37554da8cd
7 changed files with 325 additions and 73 deletions
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28
src/Extension/H264.h
View File

@@ -30,6 +30,8 @@
#include "Frame.h"
#include "Track.h"
#define H264_TYPE(v) ((uint8_t)(v) & 0x1F)
namespace mediakit{
bool getAVCInfo(const string &strSps,int &iVideoWidth, int &iVideoHeight, float &iVideoFps);
@@ -42,6 +44,13 @@ class H264Frame : public Frame {
public:
typedef std::shared_ptr<H264Frame> Ptr;
typedef enum {
NAL_SPS = 7,
NAL_PPS = 8,
NAL_IDR = 5,
NAL_B_P = 1
} NalType;
char *data() const override{
return (char *)buffer.data();
}
@@ -64,7 +73,7 @@ public:
}
bool keyFrame() const override {
return type == 5;
return type == NAL_IDR;
}
public:
uint16_t sequence;
@@ -95,7 +104,7 @@ public:
}
bool keyFrame() const override {
return (buffer_ptr[iPrefixSize] & 0x1F) == 5;
return H264_TYPE(buffer_ptr[iPrefixSize]) == H264Frame::NAL_IDR;
}
};
@@ -193,9 +202,10 @@ public:
* @param frame 数据帧
*/
void inputFrame(const Frame::Ptr &frame) override{
int type = (*((uint8_t *)frame->data() + frame->prefixSize())) & 0x1F;
int type = H264_TYPE(*((uint8_t *)frame->data() + frame->prefixSize()));
switch (type){
case 7:{
case H264Frame::NAL_SPS:{
//sps
bool flag = _sps.empty();
_sps = string(frame->data() + frame->prefixSize(),frame->size() - frame->prefixSize());
@@ -204,19 +214,19 @@ public:
}
}
break;
case 8:{
case H264Frame::NAL_PPS:{
//pps
_pps = string(frame->data() + frame->prefixSize(),frame->size() - frame->prefixSize());
}
break;
case 5:{
case H264Frame::NAL_IDR:{
//I
if(!_sps.empty()){
if(!_spsFrame)
{
H264Frame::Ptr insertFrame = std::make_shared<H264Frame>();
insertFrame->type = 7;
insertFrame->type = H264Frame::NAL_SPS;
insertFrame->timeStamp = frame->stamp();
insertFrame->buffer.assign("\x0\x0\x0\x1",4);
insertFrame->buffer.append(_sps);
@@ -231,7 +241,7 @@ public:
if(!_ppsFrame)
{
H264Frame::Ptr insertFrame = std::make_shared<H264Frame>();
insertFrame->type = 8;
insertFrame->type = H264Frame::NAL_PPS;
insertFrame->timeStamp = frame->stamp();
insertFrame->buffer.assign("\x0\x0\x0\x1",4);
insertFrame->buffer.append(_pps);
@@ -245,7 +255,7 @@ public:
}
break;
case 1:{
case H264Frame::NAL_B_P:{
//B or P
VideoTrack::inputFrame(frame);
}

314
src/Extension/H265.h
View File

@@ -1,29 +1,28 @@
/*
* MIT License
*
* Copyright (c) 2016 xiongziliang <771730766@qq.com>
*
* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
* MIT License
*
* Copyright (c) 2016 xiongziliang <771730766@qq.com>
*
* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ZLMEDIAKIT_H265_H
#define ZLMEDIAKIT_H265_H
@@ -31,7 +30,9 @@
#include "Frame.h"
#include "Track.h"
namespace mediakit{
namespace mediakit {
#define H265_TYPE(v) (((uint8_t)(v) >> 1) & 0x3f)
/**
* 265帧类
@@ -40,30 +41,76 @@ class H265Frame : public Frame {
public:
typedef std::shared_ptr<H265Frame> Ptr;
char *data() const override{
return (char *)buffer.data();
typedef enum {
NAL_TRAIL_N = 0,
NAL_TRAIL_R = 1,
NAL_TSA_N = 2,
NAL_TSA_R = 3,
NAL_STSA_N = 4,
NAL_STSA_R = 5,
NAL_RADL_N = 6,
NAL_RADL_R = 7,
NAL_RASL_N = 8,
NAL_RASL_R = 9,
NAL_BLA_W_LP = 16,
NAL_BLA_W_RADL = 17,
NAL_BLA_N_LP = 18,
NAL_IDR_W_RADL = 19,
NAL_IDR_N_LP = 20,
NAL_CRA_NUT = 21,
NAL_VPS = 32,
NAL_SPS = 33,
NAL_PPS = 34,
NAL_AUD = 35,
NAL_EOS_NUT = 36,
NAL_EOB_NUT = 37,
NAL_FD_NUT = 38,
NAL_SEI_PREFIX = 39,
NAL_SEI_SUFFIX = 40,
} NaleType;
char *data() const override {
return (char *) buffer.data();
}
uint32_t size() const override {
return buffer.size();
}
uint32_t stamp() const override {
return timeStamp;
}
uint32_t prefixSize() const override{
uint32_t prefixSize() const override {
return iPrefixSize;
}
TrackType getTrackType() const override{
TrackType getTrackType() const override {
return TrackVideo;
}
CodecId getCodecId() const override{
CodecId getCodecId() const override {
return CodecH265;
}
bool keyFrame() const override {
return type == 5;
return isKeyFrame(type);
}
static bool isKeyFrame(int type) {
switch (type) {
case NAL_BLA_N_LP:
case NAL_BLA_W_LP:
case NAL_BLA_W_RADL:
case NAL_CRA_NUT:
case NAL_IDR_N_LP:
case NAL_IDR_W_RADL:
return true;
default:
return false;
}
}
public:
uint16_t sequence;
uint32_t timeStamp;
@@ -77,27 +124,222 @@ class H265FrameNoCopyAble : public FrameNoCopyAble {
public:
typedef std::shared_ptr<H265FrameNoCopyAble> Ptr;
H265FrameNoCopyAble(char *ptr,uint32_t size,uint32_t stamp,int prefixeSize = 4){
H265FrameNoCopyAble(char *ptr, uint32_t size, uint32_t stamp, int prefixeSize = 4) {
buffer_ptr = ptr;
buffer_size = size;
timeStamp = stamp;
iPrefixSize = prefixeSize;
}
TrackType getTrackType() const override{
TrackType getTrackType() const override {
return TrackVideo;
}
CodecId getCodecId() const override{
CodecId getCodecId() const override {
return CodecH265;
}
bool keyFrame() const override {
return (buffer_ptr[iPrefixSize] & 0x1F) == 5;
int type = H265_TYPE(((uint8_t *) buffer_ptr)[iPrefixSize]);
return H265Frame::isKeyFrame(type);
}
};
/**
* 265视频通道
*/
class H265Track : public VideoTrack {
public:
typedef std::shared_ptr<H265Track> Ptr;
/**
* 不指定sps pps构造h265类型的媒体
* 在随后的inputFrame中获取sps pps
*/
H265Track() {}
/**
* 构造h265类型的媒体
* @param sps sps帧数据
* @param pps pps帧数据
* @param sps_prefix_len 265头长度，可以为3个或4个字节，一般为0x00 00 00 01
* @param pps_prefix_len 265头长度，可以为3个或4个字节，一般为0x00 00 00 01
*/
H265Track(const string &sps, const string &pps, int sps_prefix_len = 4, int pps_prefix_len = 4) {
_sps = sps.substr(sps_prefix_len);
_pps = pps.substr(pps_prefix_len);
parseSps(_sps);
}
/**
* 构造h265类型的媒体
* @param sps sps帧
* @param pps pps帧
*/
H265Track(const Frame::Ptr &sps, const Frame::Ptr &pps) {
if (sps->getCodecId() != CodecH265 || pps->getCodecId() != CodecH265) {
throw std::invalid_argument("必须输入H265类型的帧");
}
_sps = string(sps->data() + sps->prefixSize(), sps->size() - sps->prefixSize());
_pps = string(pps->data() + pps->prefixSize(), pps->size() - pps->prefixSize());
parseSps(_sps);
}
/**
* 返回不带0x00 00 00 01头的sps
* @return
*/
const string &getSps() const {
return _sps;
}
/**
* 返回不带0x00 00 00 01头的pps
* @return
*/
const string &getPps() const {
return _pps;
}
CodecId getCodecId() const override {
return CodecH265;
}
/**
* 返回视频高度
* @return
*/
int getVideoHeight() const override {
return _width;
}
/**
* 返回视频宽度
* @return
*/
int getVideoWidth() const override {
return _height;
}
/**
* 返回视频fps
* @return
*/
float getVideoFps() const override {
return _fps;
}
bool ready() override {
return !_sps.empty() && !_pps.empty();
}
/**
* 输入数据帧,并获取sps pps
* @param frame 数据帧
*/
void inputFrame(const Frame::Ptr &frame) override {
int type = H265_TYPE(((uint8_t *) frame->data() + frame->prefixSize())[0]);
if (H265Frame::isKeyFrame(type)) {
//关键帧之前插入vps sps pps
if(!_vps.empty()){
if (!_vpsFrame) {
H265Frame::Ptr insertFrame = std::make_shared<H265Frame>();
insertFrame->type = H265Frame::NAL_VPS;
insertFrame->timeStamp = frame->stamp();
insertFrame->buffer.assign("\x0\x0\x0\x1", 4);
insertFrame->buffer.append(_sps);
insertFrame->iPrefixSize = 4;
_vpsFrame = insertFrame;
}
_vpsFrame->timeStamp = frame->stamp();
VideoTrack::inputFrame(_vpsFrame);
}
if (!_sps.empty()) {
if (!_spsFrame) {
H265Frame::Ptr insertFrame = std::make_shared<H265Frame>();
insertFrame->type = H265Frame::NAL_SPS;
insertFrame->timeStamp = frame->stamp();
insertFrame->buffer.assign("\x0\x0\x0\x1", 4);
insertFrame->buffer.append(_sps);
insertFrame->iPrefixSize = 4;
_spsFrame = insertFrame;
}
_spsFrame->timeStamp = frame->stamp();
VideoTrack::inputFrame(_spsFrame);
}
if (!_pps.empty()) {
if (!_ppsFrame) {
H265Frame::Ptr insertFrame = std::make_shared<H265Frame>();
insertFrame->type = H265Frame::NAL_PPS;
insertFrame->timeStamp = frame->stamp();
insertFrame->buffer.assign("\x0\x0\x0\x1", 4);
insertFrame->buffer.append(_pps);
insertFrame->iPrefixSize = 4;
_ppsFrame = insertFrame;
}
_ppsFrame->timeStamp = frame->stamp();
VideoTrack::inputFrame(_ppsFrame);
}
VideoTrack::inputFrame(frame);
return;
}
//非idr帧
switch (type) {
case H265Frame::NAL_VPS: {
//vps
_vps = string(frame->data() + frame->prefixSize(), frame->size() - frame->prefixSize());
}
break;
case H265Frame::NAL_SPS: {
//sps
_sps = string(frame->data() + frame->prefixSize(), frame->size() - frame->prefixSize());
}
break;
case H265Frame::NAL_PPS: {
//pps
_pps = string(frame->data() + frame->prefixSize(), frame->size() - frame->prefixSize());
}
break;
default: {
//other frames
VideoTrack::inputFrame(frame);
}
break;
}
}
private:
/**
* 解析sps获取宽高fps
* @param sps sps不含头数据
*/
void parseSps(const string &sps) {
// getAVCInfo(sps,_width,_height,_fps);
}
Track::Ptr clone() override {
return std::make_shared<std::remove_reference<decltype(*this)>::type>(*this);
}
private:
string _vps;
string _sps;
string _pps;
int _width = 0;
int _height = 0;
float _fps = 0;
H265Frame::Ptr _vpsFrame;
H265Frame::Ptr _spsFrame;
H265Frame::Ptr _ppsFrame;
};
}//namespace mediakit