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c62f6c7121
This is needed in the general case, now that we aim to support codecs other than those built-in to WebRTC. BUG=webrtc:8159 Change-Id: I40a41252bf69ad5d4d0208e3c1e8918da7394706 Reviewed-on: https://webrtc-review.googlesource.com/5380 Commit-Queue: Karl Wiberg <kwiberg@webrtc.org> Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20136}
98 lines
3.6 KiB
C++
98 lines
3.6 KiB
C++
/*
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* Copyright (c) 2012 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 MODULES_RTP_RTCP_SOURCE_RTP_RECEIVER_AUDIO_H_
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#define MODULES_RTP_RTCP_SOURCE_RTP_RECEIVER_AUDIO_H_
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#include <set>
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#include "modules/rtp_rtcp/include/rtp_receiver.h"
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#include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
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#include "modules/rtp_rtcp/source/rtp_receiver_strategy.h"
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#include "modules/rtp_rtcp/source/rtp_utility.h"
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#include "rtc_base/onetimeevent.h"
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#include "typedefs.h" // NOLINT(build/include)
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namespace webrtc {
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// Handles audio RTP packets. This class is thread-safe.
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class RTPReceiverAudio : public RTPReceiverStrategy,
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public TelephoneEventHandler {
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public:
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explicit RTPReceiverAudio(RtpData* data_callback);
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virtual ~RTPReceiverAudio() {}
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// The following three methods implement the TelephoneEventHandler interface.
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// Forward DTMFs to decoder for playout.
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void SetTelephoneEventForwardToDecoder(bool forward_to_decoder) override;
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// Is forwarding of outband telephone events turned on/off?
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bool TelephoneEventForwardToDecoder() const override;
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// Is TelephoneEvent configured with |payload_type|.
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bool TelephoneEventPayloadType(const int8_t payload_type) const override;
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TelephoneEventHandler* GetTelephoneEventHandler() override { return this; }
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// Returns true if CNG is configured with |payload_type|.
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bool CNGPayloadType(const int8_t payload_type);
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int32_t ParseRtpPacket(WebRtcRTPHeader* rtp_header,
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const PayloadUnion& specific_payload,
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bool is_red,
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const uint8_t* packet,
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size_t payload_length,
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int64_t timestamp_ms) override;
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RTPAliveType ProcessDeadOrAlive(uint16_t last_payload_length) const override;
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bool ShouldReportCsrcChanges(uint8_t payload_type) const override;
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int32_t OnNewPayloadTypeCreated(int payload_type,
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const SdpAudioFormat& audio_format) override;
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int32_t InvokeOnInitializeDecoder(
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RtpFeedback* callback,
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int8_t payload_type,
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const char payload_name[RTP_PAYLOAD_NAME_SIZE],
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const PayloadUnion& specific_payload) const override;
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// We need to look out for special payload types here and sometimes reset
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// statistics. In addition we sometimes need to tweak the frequency.
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void CheckPayloadChanged(int8_t payload_type,
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PayloadUnion* specific_payload,
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bool* should_discard_changes) override;
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int Energy(uint8_t array_of_energy[kRtpCsrcSize]) const override;
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private:
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int32_t ParseAudioCodecSpecific(WebRtcRTPHeader* rtp_header,
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const uint8_t* payload_data,
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size_t payload_length,
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const AudioPayload& audio_specific,
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bool is_red);
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bool telephone_event_forward_to_decoder_;
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int8_t telephone_event_payload_type_;
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std::set<uint8_t> telephone_event_reported_;
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int8_t cng_nb_payload_type_;
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int8_t cng_wb_payload_type_;
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int8_t cng_swb_payload_type_;
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int8_t cng_fb_payload_type_;
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uint8_t num_energy_;
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uint8_t current_remote_energy_[kRtpCsrcSize];
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ThreadUnsafeOneTimeEvent first_packet_received_;
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};
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} // namespace webrtc
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#endif // MODULES_RTP_RTCP_SOURCE_RTP_RECEIVER_AUDIO_H_
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