6d83592367
Add a feature (gated by field trial) that stores packets with unknown ssrc in a circular buffer and replays them once a receive stream with matching ssrc is created. This improves situation where media is incoming but signaling or SetFrameDecryptor is slow. BUG=webrtc:10405 Change-Id: I7c7b2f4bd96c942c09e96db0cdae4ce5efef2541 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/127543 Commit-Queue: Jonas Oreland <jonaso@webrtc.org> Reviewed-by: Rasmus Brandt <brandtr@webrtc.org> Reviewed-by: Niels Moller <nisse@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27159}
55 lines
1.4 KiB
C++
55 lines
1.4 KiB
C++
/*
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* Copyright (c) 2019 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MEDIA_ENGINE_UNHANDLED_PACKETS_BUFFER_H_
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#define MEDIA_ENGINE_UNHANDLED_PACKETS_BUFFER_H_
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#include <stdint.h>
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#include <functional>
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#include <tuple>
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#include <utility>
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#include <vector>
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#include "rtc_base/copy_on_write_buffer.h"
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namespace cricket {
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class UnhandledPacketsBuffer {
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public:
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// Visible for testing.
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static constexpr size_t kMaxStashedPackets = 50;
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UnhandledPacketsBuffer();
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~UnhandledPacketsBuffer();
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// Store packet in buffer.
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void AddPacket(uint32_t ssrc,
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int64_t packet_time_us,
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rtc::CopyOnWriteBuffer packet);
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// Feed all packets with |ssrcs| into |consumer|.
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void BackfillPackets(
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rtc::ArrayView<const uint32_t> ssrcs,
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std::function<void(uint32_t, int64_t, rtc::CopyOnWriteBuffer)> consumer);
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private:
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size_t insert_pos_ = 0;
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struct PacketWithMetadata {
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uint32_t ssrc;
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int64_t packet_time_us;
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rtc::CopyOnWriteBuffer packet;
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};
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std::vector<PacketWithMetadata> buffer_;
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};
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} // namespace cricket
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#endif // MEDIA_ENGINE_UNHANDLED_PACKETS_BUFFER_H_
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