Only set marker bit on last slice. (#82)

Author: taste1981

modules/rtp_rtcp/source/rtp_format.cc

@@ -44,13 +44,14 @@ std::unique_ptr<RtpPacketizer> RtpPacketizer::Create(
       const auto& h264 =
           absl::get<RTPVideoHeaderH264>(rtp_video_header.video_type_header);
       return std::make_unique<RtpPacketizerH264>(payload, limits,
-                                                 h264.packetization_mode);
+                                                 h264.packetization_mode,
+												 end_of_frame);
     }
     case kVideoCodecH265: {
       const auto& h265 =
           absl::get<RTPVideoHeaderH265>(rtp_video_header.video_type_header);
       return absl::make_unique<RtpPacketizerH265>(
-          payload, limits, h265.packetization_mode);
+          payload, limits, h265.packetization_mode, end_of_frame);
     }
     case kVideoCodecVP8: {
       const auto& vp8 =

modules/rtp_rtcp/source/rtp_format_h265.cc

@@ -79,9 +79,11 @@ enum HevcFuDefs { kHevcSBit = 0x80, kHevcEBit = 0x40, kHevcFuTypeBit = 0x3F };
 RtpPacketizerH265::RtpPacketizerH265(
     rtc::ArrayView<const uint8_t> payload,
     PayloadSizeLimits limits,
-    H265PacketizationMode packetization_mode)
+    H265PacketizationMode packetization_mode,
+    bool end_of_frame)
     : limits_(limits),
-      num_packets_left_(0) {
+      num_packets_left_(0),
+      end_of_frame_(end_of_frame) {
   // Guard against uninitialized memory in packetization_mode.
   RTC_CHECK(packetization_mode == H265PacketizationMode::NonInterleaved ||
             packetization_mode == H265PacketizationMode::SingleNalUnit);
@@ -286,7 +288,7 @@ bool RtpPacketizerH265::NextPacket(RtpPacketToSend* rtp_packet) {
   } else {
     NextFragmentPacket(rtp_packet);
   }
-  rtp_packet->SetMarker(packets_.empty());
+  rtp_packet->SetMarker(packets_.empty() && end_of_frame_);
   --num_packets_left_;
   return true;
 }

modules/rtp_rtcp/source/rtp_format_h265.h

@@ -30,7 +30,8 @@ class RtpPacketizerH265 : public RtpPacketizer {
   // The payload_data must be exactly one encoded H.265 frame.
   RtpPacketizerH265(rtc::ArrayView<const uint8_t> payload,
                     PayloadSizeLimits limits,
-                    H265PacketizationMode packetization_mode);
+                    H265PacketizationMode packetization_mode,
+                    bool end_of_frame = true);
 
   ~RtpPacketizerH265() override;
 
@@ -102,6 +103,7 @@ class RtpPacketizerH265 : public RtpPacketizer {
 
   const PayloadSizeLimits limits_;
   size_t num_packets_left_;
+  bool end_of_frame_ = true;
 };
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_FORMAT_H265_H_