Support mpegts rtp payload in startSendRtp (#3335)

server/WebApi.cpp

@@ -1289,7 +1289,10 @@ void installWebApi() {
         if (!src) {
             throw ApiRetException("can not find the source stream", API::NotFound);
         }
-
+        if (!allArgs["use_ps"].empty()) {
+            // 兼容之前的use_ps参数
+            allArgs["type"] = allArgs["use_ps"].as<int>();
+        }
         MediaSourceEvent::SendRtpArgs args;
         args.passive = false;
         args.dst_url = allArgs["dst_url"];
@@ -1299,11 +1302,11 @@ void installWebApi() {
         args.is_udp = allArgs["is_udp"];
         args.src_port = allArgs["src_port"];
         args.pt = allArgs["pt"].empty() ? 96 : allArgs["pt"].as<int>();
-        args.use_ps = allArgs["use_ps"].empty() ? true : allArgs["use_ps"].as<bool>();
+        args.type = (MediaSourceEvent::SendRtpArgs::Type)(allArgs["type"].as<int>());
         args.only_audio = allArgs["only_audio"].as<bool>();
         args.udp_rtcp_timeout = allArgs["udp_rtcp_timeout"];
         args.recv_stream_id = allArgs["recv_stream_id"];
-        TraceL << "startSendRtp, pt " << int(args.pt) << " ps " << args.use_ps << " audio " << args.only_audio;
+        TraceL << "startSendRtp, pt " << int(args.pt) << " rtp type " << args.type << " audio " << args.only_audio;
 
         src->getOwnerPoller()->async([=]() mutable {
             src->startSendRtp(args, [val, headerOut, invoker](uint16_t local_port, const SockException &ex) mutable {
@@ -1326,18 +1329,23 @@ void installWebApi() {
             throw ApiRetException("can not find the source stream", API::NotFound);
         }
 
+        if (!allArgs["use_ps"].empty()) {
+            // 兼容之前的use_ps参数
+            allArgs["type"] = allArgs["use_ps"].as<int>();
+        }
+
         MediaSourceEvent::SendRtpArgs args;
         args.passive = true;
         args.ssrc = allArgs["ssrc"];
         args.is_udp = false;
         args.src_port = allArgs["src_port"];
         args.pt = allArgs["pt"].empty() ? 96 : allArgs["pt"].as<int>();
-        args.use_ps = allArgs["use_ps"].empty() ? true : allArgs["use_ps"].as<bool>();
+        args.type = (MediaSourceEvent::SendRtpArgs::Type)(allArgs["type"].as<int>());
         args.only_audio = allArgs["only_audio"].as<bool>();
         args.recv_stream_id = allArgs["recv_stream_id"];
         //tcp被动服务器等待链接超时时间
         args.tcp_passive_close_delay_ms = allArgs["close_delay_ms"];
-        TraceL << "startSendRtpPassive, pt " << int(args.pt) << " ps " << args.use_ps << " audio " <<  args.only_audio;
+        TraceL << "startSendRtpPassive, pt " << int(args.pt) << " rtp type " << args.type << " audio " <<  args.only_audio;
 
         src->getOwnerPoller()->async([=]() mutable {
             src->startSendRtp(args, [val, headerOut, invoker](uint16_t local_port, const SockException &ex) mutable {

src/Common/MediaSource.h

@@ -92,10 +92,11 @@ public:
 
     class SendRtpArgs {
     public:
+        enum Type { kRtpRAW = 0, kRtpPS = 1, kRtpTS = 2 };
         // 是否采用udp方式发送rtp
         bool is_udp = true;
-        // rtp采用ps还是es方式
+        // rtp类型
-        bool use_ps = true;
+        Type type = kRtpPS;
         //发送es流时指定是否只发送纯音频流
         bool only_audio = false;
         //tcp被动方式

src/Rtp/PSEncoder.cpp

@@ -19,9 +19,17 @@ using namespace toolkit;
 
 namespace mediakit{
 
-PSEncoderImp::PSEncoderImp(uint32_t ssrc, uint8_t payload_type) : MpegMuxer(true) {
+PSEncoderImp::PSEncoderImp(uint32_t ssrc, uint8_t payload_type, bool ps_or_ts) : MpegMuxer(ps_or_ts) {
-    GET_CONFIG(uint32_t,video_mtu,Rtp::kVideoMtuSize);
+    GET_CONFIG(uint32_t, s_video_mtu, Rtp::kVideoMtuSize);
     _rtp_encoder = std::make_shared<CommonRtpEncoder>();
+    auto video_mtu = s_video_mtu;
+    if (!ps_or_ts) {
+        // 确保ts rtp负载部分长度是188的倍数
+        video_mtu = RtpPacket::kRtpHeaderSize + (s_video_mtu - (s_video_mtu % 188));
+        if (video_mtu > s_video_mtu) {
+            video_mtu -= 188;
+        }
+    }
     _rtp_encoder->setRtpInfo(ssrc, video_mtu, 90000, payload_type);
     auto ring = std::make_shared<RtpRing::RingType>();
     ring->setDelegate(std::make_shared<RingDelegateHelper>([this](RtpPacket::Ptr rtp, bool is_key) { onRTP(std::move(rtp), is_key); }));

src/Rtp/PSEncoder.h

@@ -17,10 +17,18 @@
 #include "Common/MediaSink.h"
 
 namespace mediakit {
+
 class CommonRtpEncoder;
+
 class PSEncoderImp : public MpegMuxer {
 public:
-    PSEncoderImp(uint32_t ssrc, uint8_t payload_type = 96);
+    /**
+     * 创建psh或ts rtp编码器
+     * @param ssrc rtp的ssrc
+     * @param payload_type rtp的pt
+     * @param ps_or_ts true: ps, false: ts
+     */
+    PSEncoderImp(uint32_t ssrc, uint8_t payload_type = 96, bool ps_or_ts = true);
     ~PSEncoderImp() override;
 
 protected:

src/Rtp/RtpCache.h

@@ -40,7 +40,9 @@ private:
 
 class RtpCachePS : public RtpCache, public PSEncoderImp {
 public:
-    RtpCachePS(onFlushed cb, uint32_t ssrc, uint8_t payload_type = 96) : RtpCache(std::move(cb)), PSEncoderImp(ssrc, payload_type) {};
+    RtpCachePS(onFlushed cb, uint32_t ssrc, uint8_t payload_type = 96, bool ps_or_ts = true) :
+        RtpCache(std::move(cb)), PSEncoderImp(ssrc, ps_or_ts ? payload_type : Rtsp::PT_MP2T, ps_or_ts) {};
+
     void flush() override;
 
 protected:
@@ -57,5 +59,6 @@ protected:
 };
 
 } //namespace mediakit
+
 #endif//ENABLE_RTPPROXY
 #endif //ZLMEDIAKIT_RTPCACHE_H

src/Rtp/RtpSender.cpp

@@ -40,10 +40,11 @@ void RtpSender::startSend(const MediaSourceEvent::SendRtpArgs &args, const funct
     if (!_interface) {
         //重连时不重新创建对象
         auto lam = [this](std::shared_ptr<List<Buffer::Ptr>> list) { onFlushRtpList(std::move(list)); };
-        if (args.use_ps) {
+        switch (args.type) {
-            _interface = std::make_shared<RtpCachePS>(lam, atoi(args.ssrc.data()), args.pt);
+            case MediaSourceEvent::SendRtpArgs::kRtpPS: _interface = std::make_shared<RtpCachePS>(lam, atoi(args.ssrc.data()), args.pt, true); break;
-        } else {
+            case MediaSourceEvent::SendRtpArgs::kRtpTS: _interface = std::make_shared<RtpCachePS>(lam, atoi(args.ssrc.data()), args.pt, false); break;
-            _interface = std::make_shared<RtpCacheRaw>(lam, atoi(args.ssrc.data()), args.pt, args.only_audio);
+            case MediaSourceEvent::SendRtpArgs::kRtpRAW: _interface = std::make_shared<RtpCacheRaw>(lam, atoi(args.ssrc.data()), args.pt, args.only_audio); break;
+            default: CHECK(0, "invalid rtp type:" + to_string(args.type)); break;
         }
     }