Index: webrtc/modules/rtp_rtcp/source/producer_fec.h |
diff --git a/webrtc/modules/rtp_rtcp/source/producer_fec.h b/webrtc/modules/rtp_rtcp/source/producer_fec.h |
deleted file mode 100644 |
index 35bb7dafbfb54125598a75651b5178b91c114ca0..0000000000000000000000000000000000000000 |
--- a/webrtc/modules/rtp_rtcp/source/producer_fec.h |
+++ /dev/null |
@@ -1,109 +0,0 @@ |
-/* |
- * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
- * |
- * Use of this source code is governed by a BSD-style license |
- * that can be found in the LICENSE file in the root of the source |
- * tree. An additional intellectual property rights grant can be found |
- * in the file PATENTS. All contributing project authors may |
- * be found in the AUTHORS file in the root of the source tree. |
- */ |
- |
-#ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_PRODUCER_FEC_H_ |
-#define WEBRTC_MODULES_RTP_RTCP_SOURCE_PRODUCER_FEC_H_ |
- |
-#include <list> |
-#include <memory> |
-#include <vector> |
- |
-#include "webrtc/modules/rtp_rtcp/source/forward_error_correction.h" |
- |
-namespace webrtc { |
- |
-class RedPacket { |
- public: |
- explicit RedPacket(size_t length); |
- |
- void CreateHeader(const uint8_t* rtp_header, |
- size_t header_length, |
- int red_payload_type, |
- int payload_type); |
- void SetSeqNum(int seq_num); |
- void AssignPayload(const uint8_t* payload, size_t length); |
- void ClearMarkerBit(); |
- uint8_t* data() const; |
- size_t length() const; |
- |
- private: |
- std::unique_ptr<uint8_t[]> data_; |
- size_t length_; |
- size_t header_length_; |
-}; |
- |
-class ProducerFec { |
- public: |
- ProducerFec(); |
- ~ProducerFec(); |
- |
- static std::unique_ptr<RedPacket> BuildRedPacket(const uint8_t* data_buffer, |
- size_t payload_length, |
- size_t rtp_header_length, |
- int red_payload_type); |
- |
- void SetFecParameters(const FecProtectionParams* params); |
- |
- // Adds a media packet to the internal buffer. When enough media packets |
- // have been added, the FEC packets are generated and stored internally. |
- // These FEC packets are then obtained by calling GetFecPacketsAsRed(). |
- int AddRtpPacketAndGenerateFec(const uint8_t* data_buffer, |
- size_t payload_length, |
- size_t rtp_header_length); |
- |
- // Returns true if there are generated FEC packets available. |
- bool FecAvailable() const; |
- |
- size_t NumAvailableFecPackets() const; |
- |
- // Returns the overhead, per packet, for FEC (and possibly RED). |
- size_t MaxPacketOverhead() const; |
- |
- // Returns generated FEC packets with RED headers added. |
- std::vector<std::unique_ptr<RedPacket>> GetUlpfecPacketsAsRed( |
- int red_payload_type, |
- int ulpfec_payload_type, |
- uint16_t first_seq_num, |
- size_t rtp_header_length); |
- |
- private: |
- // Overhead is defined as relative to the number of media packets, and not |
- // relative to total number of packets. This definition is inherited from the |
- // protection factor produced by video_coding module and how the FEC |
- // generation is implemented. |
- int Overhead() const; |
- |
- // Returns true if the excess overhead (actual - target) for the FEC is below |
- // the amount |kMaxExcessOverhead|. This effects the lower protection level |
- // cases and low number of media packets/frame. The target overhead is given |
- // by |params_.fec_rate|, and is only achievable in the limit of large number |
- // of media packets. |
- bool ExcessOverheadBelowMax() const; |
- |
- // Returns true if the number of added media packets is at least |
- // |min_num_media_packets_|. This condition tries to capture the effect |
- // that, for the same amount of protection/overhead, longer codes |
- // (e.g. (2k,2m) vs (k,m)) are generally more effective at recovering losses. |
- bool MinimumMediaPacketsReached() const; |
- |
- void ResetState(); |
- |
- std::unique_ptr<ForwardErrorCorrection> fec_; |
- ForwardErrorCorrection::PacketList media_packets_; |
- std::list<ForwardErrorCorrection::Packet*> generated_fec_packets_; |
- int num_protected_frames_; |
- int min_num_media_packets_; |
- FecProtectionParams params_; |
- FecProtectionParams new_params_; |
-}; |
- |
-} // namespace webrtc |
- |
-#endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_PRODUCER_FEC_H_ |