完善Rtmp复用器，可以灵活设置sps pps等信息

src/Common/Factory.cpp

@@ -196,18 +196,19 @@ RtpCodec::Ptr Factory::getRtpDecoderById(CodecId codecId, uint32_t ui32SampleRat
     }
 }
 
-RtmpCodec::Ptr Factory::getRtmpCodecById(CodecId codecId) {
-    switch (codecId){
+RtmpCodec::Ptr Factory::getRtmpCodecByTrack(const Track::Ptr &track) {
+    switch (track->getCodecId()){
         case CodecH264:
-            return std::make_shared<H264RtmpEncoder>();
+            return std::make_shared<H264RtmpEncoder>(track);
         case CodecAAC:
-            return std::make_shared<AACRtmpEncoder>();
+            return std::make_shared<AACRtmpEncoder>(track);
         default:
-            WarnL << "暂不支持该CodecId:" << codecId;
+            WarnL << "暂不支持该CodecId:" << track->getCodecId();
             return nullptr;
     }
 }
 
 
+
 }//namespace mediakit
 

src/Common/Factory.h

@@ -106,11 +106,11 @@ public:
     static CodecId getCodecIdByAmf(const AMFValue &val);
 
     /**
-     * 根据CodecId获取Rtmp的编解码器
-     * @param codecId CodecId
+     * 根据Track获取Rtmp的编解码器
+     * @param track 媒体描述对象
      * @return
      */
-    static RtmpCodec::Ptr getRtmpCodecById(CodecId codecId);
+    static RtmpCodec::Ptr getRtmpCodecByTrack(const Track::Ptr &track);
 };
 
 

src/RtmpMuxer/AACRtmpCodec.cpp

@@ -75,12 +75,23 @@ void AACRtmpDecoder::onGetAAC(const char* pcData, int iLen, uint32_t ui32TimeSta
 }
 /////////////////////////////////////////////////////////////////////////////////////
 
+AACRtmpEncoder::AACRtmpEncoder(const Track::Ptr &track) {
+    _track = dynamic_pointer_cast<AACTrack>(track);
+}
+
 void AACRtmpEncoder::inputFrame(const Frame::Ptr &frame) {
     RtmpCodec::inputFrame(frame);
-    if(frame->prefixSize() >= 7 && _aac_cfg.empty()){
-        //包含adts头
-        _aac_cfg = makeAdtsConfig(reinterpret_cast<const uint8_t *>(frame->data()));
-        makeAudioConfigPkt();
+
+    if(_aac_cfg.empty()){
+        if(frame->prefixSize() >= 7){
+            //包含adts头,从adts头获取aac配置信息
+            _aac_cfg = makeAdtsConfig(reinterpret_cast<const uint8_t *>(frame->data()));
+            makeAudioConfigPkt();
+        } else if(_track && _track->ready()){
+            //从track中和获取aac配置信息
+            _aac_cfg = _track->getAacCfg();
+            makeAudioConfigPkt();
+        }
     }
 
     if(!_aac_cfg.empty()){
@@ -149,6 +160,4 @@ void AACRtmpEncoder::makeAudioConfigPkt() {
     inputRtmp(rtmpPkt, false);
 }
 
-
-
 }//namespace mediakit
\ No newline at end of file

src/RtmpMuxer/AACRtmpCodec.h

@@ -28,6 +28,7 @@
 #define ZLMEDIAKIT_AACRTMPCODEC_H
 
 #include "RtmpCodec.h"
+#include "Player/Track.h"
 
 namespace mediakit{
 /**
@@ -71,18 +72,26 @@ class AACRtmpEncoder : public AACRtmpDecoder ,  public ResourcePoolHelper<RtmpPa
 public:
     typedef std::shared_ptr<AACRtmpEncoder> Ptr;
 
-    AACRtmpEncoder(){}
+    /**
+     * 构造函数，track可以为空，此时则在inputFrame时输入adts头
+     * 如果track不为空且包含adts头相关信息，
+     * 那么inputFrame时可以不输入adts头
+     * @param track
+     */
+    AACRtmpEncoder(const Track::Ptr &track);
     ~AACRtmpEncoder() {}
 
     /**
-     * 输入aac 数据，必须带dats头
-     * @param frame 带dats头的aac数据
+     * 输入aac 数据，可以不带adts头
+     * @param frame aac数据
      */
     void inputFrame(const Frame::Ptr &frame) override;
 
 private:
     void makeAudioConfigPkt();
+private:
     uint8_t _ui8AudioFlags;
+    AACTrack::Ptr _track;
 };
 
 }//namespace mediakit

src/RtmpMuxer/H264RtmpCodec.cpp

@@ -105,7 +105,8 @@ inline void H264RtmpDecoder::onGetH264(const char* pcData, int iLen, uint32_t ui
 
 ////////////////////////////////////////////////////////////////////////
 
-H264RtmpEncoder::H264RtmpEncoder()  {
+H264RtmpEncoder::H264RtmpEncoder(const Track::Ptr &track) {
+    _track = dynamic_pointer_cast<H264Track>(track);
 }
 
 void H264RtmpEncoder::inputFrame(const Frame::Ptr &frame) {
@@ -115,6 +116,7 @@ void H264RtmpEncoder::inputFrame(const Frame::Ptr &frame) {
     auto iLen = frame->size() - frame->prefixSize();
     auto type = ((uint8_t*)pcData)[0] & 0x1F;
 
+    //尝试从frame中获取sps pps
     switch (type){
         case 7:{
             //sps
@@ -136,6 +138,18 @@ void H264RtmpEncoder::inputFrame(const Frame::Ptr &frame) {
             }
         }
             break;
+        default:
+            break;
+    }
+
+    //尝试从track中获取sps pps信息
+    if((!_sps.empty() || !_pps.empty()) && _track && _track->ready()){
+        _sps = _track->getSps();
+        _pps = _track->getPps();
+        makeVideoConfigPkt();
+    }
+
+    switch (type){
         case 1:
         case 5:{
             //I or P or B frame

src/RtmpMuxer/H264RtmpCodec.h

@@ -28,6 +28,7 @@
 #define ZLMEDIAKIT_H264RTMPCODEC_H
 
 #include "RtmpCodec.h"
+#include "Player/Track.h"
 #include "Util/ResourcePool.h"
 using namespace toolkit;
 
@@ -74,16 +75,24 @@ class H264RtmpEncoder : public H264RtmpDecoder, public ResourcePoolHelper<RtmpPa
 public:
     typedef std::shared_ptr<H264RtmpEncoder> Ptr;
 
-    H264RtmpEncoder();
+    /**
+     * 构造函数，track可以为空，此时则在inputFrame时输入sps pps
+     * 如果track不为空且包含sps pps信息，
+     * 那么inputFrame时可以不输入sps pps
+     * @param track
+     */
+    H264RtmpEncoder(const Track::Ptr &track);
     ~H264RtmpEncoder() {}
 
     /**
-     * 输入264帧,需要指出的是，必须输入sps pps帧
+     * 输入264帧，可以不带sps pps
      * @param frame 帧数据
      */
     void inputFrame(const Frame::Ptr &frame) override;
 private:
     void makeVideoConfigPkt();
+private:
+    H264Track::Ptr _track;
 };
 
 }//namespace mediakit

src/RtmpMuxer/RtmpDemuxer.cpp

@@ -81,7 +81,7 @@ void RtmpDemuxer::makeVideoTrack(const AMFValue &videoCodec) {
     _videoTrack = dynamic_pointer_cast<VideoTrack>(Factory::getTrackByAmf(videoCodec));
     if (_videoTrack) {
         //生成rtmpCodec对象以便解码rtmp
-        _videoRtmpDecoder = Factory::getRtmpCodecById(_videoTrack->getCodecId());
+        _videoRtmpDecoder = Factory::getRtmpCodecByTrack(_videoTrack);
         if (_videoRtmpDecoder) {
             //设置rtmp解码器代理，生成的frame写入该Track
             _videoRtmpDecoder->setDelegate(_videoTrack);
@@ -97,7 +97,7 @@ void RtmpDemuxer::makeAudioTrack(const AMFValue &audioCodec) {
     _audioTrack = dynamic_pointer_cast<AudioTrack>(Factory::getTrackByAmf(audioCodec));
     if (_audioTrack) {
         //生成rtmpCodec对象以便解码rtmp
-        _audioRtmpDecoder = Factory::getRtmpCodecById(_audioTrack->getCodecId());
+        _audioRtmpDecoder = Factory::getRtmpCodecByTrack(_audioTrack);
         if (_audioRtmpDecoder) {
             //设置rtmp解码器代理，生成的frame写入该Track
             _audioRtmpDecoder->setDelegate(_audioTrack);