1 /* 2 * Copyright (c) 2019 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef MEDIA_ENGINE_UNHANDLED_PACKETS_BUFFER_H_ 12 #define MEDIA_ENGINE_UNHANDLED_PACKETS_BUFFER_H_ 13 14 #include <stdint.h> 15 16 #include <functional> 17 #include <tuple> 18 #include <utility> 19 #include <vector> 20 21 #include "rtc_base/copy_on_write_buffer.h" 22 23 namespace cricket { 24 25 class UnhandledPacketsBuffer { 26 public: 27 // Visible for testing. 28 static constexpr size_t kMaxStashedPackets = 50; 29 30 UnhandledPacketsBuffer(); 31 ~UnhandledPacketsBuffer(); 32 33 // Store packet in buffer. 34 void AddPacket(uint32_t ssrc, 35 int64_t packet_time_us, 36 rtc::CopyOnWriteBuffer packet); 37 38 // Feed all packets with |ssrcs| into |consumer|. 39 void BackfillPackets( 40 rtc::ArrayView<const uint32_t> ssrcs, 41 std::function<void(uint32_t, int64_t, rtc::CopyOnWriteBuffer)> consumer); 42 43 private: 44 size_t insert_pos_ = 0; 45 struct PacketWithMetadata { 46 uint32_t ssrc; 47 int64_t packet_time_us; 48 rtc::CopyOnWriteBuffer packet; 49 }; 50 std::vector<PacketWithMetadata> buffer_; 51 }; 52 53 } // namespace cricket 54 55 #endif // MEDIA_ENGINE_UNHANDLED_PACKETS_BUFFER_H_ 56