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/*
* Copyright (c) 2013 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 MODULES_RTP_RTCP_INCLUDE_RTP_PAYLOAD_REGISTRY_H_
#define MODULES_RTP_RTCP_INCLUDE_RTP_PAYLOAD_REGISTRY_H_
#include <map>
#include <set>
#include "absl/types/optional.h"
#include "api/audio_codecs/audio_format.h"
#include "api/video_codecs/video_codec.h"
#include "modules/rtp_rtcp/source/rtp_utility.h"
#include "rtc_base/criticalsection.h"
namespace webrtc {
class RTPPayloadRegistry {
public:
RTPPayloadRegistry();
~RTPPayloadRegistry();
// TODO(magjed): Split RTPPayloadRegistry into separate Audio and Video class
// and simplify the code. http://crbug/webrtc/6743.
// Replace all audio receive payload types with the given map.
void SetAudioReceivePayloads(std::map<int, SdpAudioFormat> codecs);
int32_t RegisterReceivePayload(int payload_type,
const SdpAudioFormat& audio_format,
bool* created_new_payload_type);
int32_t RegisterReceivePayload(const VideoCodec& video_codec);
int32_t DeRegisterReceivePayload(int8_t payload_type);
int GetPayloadTypeFrequency(uint8_t payload_type) const;
absl::optional<RtpUtility::Payload> PayloadTypeToPayload(
uint8_t payload_type) const;
private:
// Prunes the payload type map of the specific payload type, if it exists.
void DeregisterAudioCodecOrRedTypeRegardlessOfPayloadType(
const SdpAudioFormat& audio_format);
rtc::CriticalSection crit_sect_;
std::map<int, RtpUtility::Payload> payload_type_map_;
// As a first step in splitting this class up in separate cases for audio and
// video, DCHECK that no instance is used for both audio and video.
#if RTC_DCHECK_IS_ON
bool used_for_audio_ RTC_GUARDED_BY(crit_sect_) = false;
bool used_for_video_ RTC_GUARDED_BY(crit_sect_) = false;
#endif
};
} // namespace webrtc
#endif // MODULES_RTP_RTCP_INCLUDE_RTP_PAYLOAD_REGISTRY_H_