Using different sequence numbers for different SSRCs

webrtc/test/layer_filtering_transport.h

Index: webrtc/test/layer_filtering_transport.h
diff --git a/webrtc/test/layer_filtering_transport.h b/webrtc/test/layer_filtering_transport.h
index 96a2cba8a232c44f43b72978b024b9d311ddaabd..31e03d3adaca1c5218c22d8c82f1b906410105c2 100644
--- a/webrtc/test/layer_filtering_transport.h
+++ b/webrtc/test/layer_filtering_transport.h
@@ -13,6 +13,8 @@
 #include "webrtc/test/direct_transport.h"
 #include "webrtc/test/fake_network_pipe.h"
 
+#include <map>
+
 namespace webrtc {
 
 namespace test {
@@ -27,6 +29,7 @@ class LayerFilteringTransport : public test::DirectTransport {
   bool SendRtp(const uint8_t* data, size_t length) override;
 
  private:
+  uint16_t NextSequenceNumber(uint32_t ssrc);
   // Used to distinguish between VP8 and VP9.
   const uint8_t vp8_video_payload_type_;
   const uint8_t vp9_video_payload_type_;
@@ -34,7 +37,7 @@ class LayerFilteringTransport : public test::DirectTransport {
   // threshold. 0 to disable.
   const uint8_t tl_discard_threshold_;
   const uint8_t sl_discard_threshold_;
-  uint16_t current_seq_num_;
+  std::map<uint32_t, uint16_t> current_seq_nums_;
 };
 
 }  // namespace test