Agora C++ API Reference for All Platforms

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Public Member Functions | List of all members
agora::rtc::IMediaRecorderEx Class Referenceabstract

`#include <media_recorder_i.h>`

Inherits agora::rtc::IAVDataObserver, agora::media::IAudioFrameObserver, and agora::media::IVideoEncodedFrameObserver.

## Public Member Functions
virtual int | startRecording (const media::MediaRecorderConfiguration &config)=0
virtual int | stopRecording ()=0
virtual void | release ()=0
virtual void | setMediaRecorderObserver (media::IMediaRecorderObserverEx *observer)=0
virtual void | setSysVersion (int sys_version)=0
bool | onPlaybackAudioFrame (const char *channelId, AudioFrame &audioFrame) override
bool | onMixedAudioFrame (const char *channelId, AudioFrame &audioFrame) override
bool | onEarMonitoringAudioFrame (AudioFrame &audioFrame) override
AudioParams | getPlaybackAudioParams () override
AudioParams | getRecordAudioParams () override
AudioParams | getMixedAudioParams () override
AudioParams | getEarMonitoringAudioParams () override
Public Member Functions inherited from agora::rtc::IAVDataObserver
virtual | ~IAVDataObserver ()
virtual bool | onAVDataReady (const AVData &avdata)=0
Public Member Functions inherited from agora::media::IAudioFrameObserver
virtual bool | onPlaybackAudioFrameBeforeMixing (const char *channelId, rtc::uid_t uid, AudioFrame &audioFrame)=0
virtual bool | onPlaybackAudioFrameBeforeMixing (const char *channelId, base::user_id_t userId, AudioFrame &audioFrame)
Public Member Functions inherited from agora::media::IAudioFrameObserverBase
virtual | ~IAudioFrameObserverBase ()
virtual bool | onRecordAudioFrame (const char *channelId, AudioFrame &audioFrame)=0
virtual int | getObservedAudioFramePosition ()=0
Public Member Functions inherited from agora::media::IVideoEncodedFrameObserver
virtual bool | onEncodedVideoFrameReceived (rtc::uid_t uid, const uint8_t *imageBuffer, size_t length, const rtc::EncodedVideoFrameInfo &videoEncodedFrameInfo)=0
virtual | ~IVideoEncodedFrameObserver ()

## Additional Inherited Members
Public Types inherited from agora::rtc::IAVDataObserver
enum | AVDATA_TYPE { AVDATA_UNKNOWN = 0 , AVDATA_VIDEO = 1 , AVDATA_AUDIO = 2 , AVDATA_AUDIO_MUTE = 3 }
enum | CODEC_VIDEO { CODEC_VIDEO_AVC = 0 , CODEC_VIDEO_HEVC = 1 , CODEC_VIDEO_VP8 = 2 }
enum | CODEC_AUDIO { CODEC_AUDIO_PCM = 0 , CODEC_AUDIO_AAC = 1 , CODEC_AUDIO_G722 = 2 }
Public Types inherited from agora::media::IAudioFrameObserverBase
enum | AUDIO_FRAME_TYPE { FRAME_TYPE_PCM16 = 0 }
enum | { MAX_HANDLE_TIME_CNT = 10 }
enum | AUDIO_FRAME_POSITION { AUDIO_FRAME_POSITION_NONE = 0x0000 , AUDIO_FRAME_POSITION_PLAYBACK = 0x0001 , AUDIO_FRAME_POSITION_RECORD = 0x0002 , AUDIO_FRAME_POSITION_MIXED = 0x0004 , AUDIO_FRAME_POSITION_BEFORE_MIXING = 0x0008 , AUDIO_FRAME_POSITION_EAR_MONITORING = 0x0010 }

## Member Function Documentation

## ◆ startRecording()

virtual int agora::rtc::IMediaRecorderEx::startRecording | ( | const media::MediaRecorderConfiguration & | config | ) |
| pure virtual

## ◆ stopRecording()

virtual int agora::rtc::IMediaRecorderEx::stopRecording | ( |  | ) |
| pure virtual

## ◆ release()

virtual void agora::rtc::IMediaRecorderEx::release | ( |  | ) |
| pure virtual

## ◆ setMediaRecorderObserver()

virtual void agora::rtc::IMediaRecorderEx::setMediaRecorderObserver | ( | media::IMediaRecorderObserverEx * | observer | ) |
| pure virtual

## ◆ setSysVersion()

virtual void agora::rtc::IMediaRecorderEx::setSysVersion | ( | int | sys_version | ) |
| pure virtual

## ◆ onPlaybackAudioFrame()

bool agora::rtc::IMediaRecorderEx::onPlaybackAudioFrame | ( | const char * | channelId,
|  | AudioFrame & | audioFrame )
| inline override virtual

Occurs when the playback audio frame is received.

Parameters

  channelId | The channel name
  audioFrame | The reference to the audio frame: AudioFrame.

Returns
  - true: The playback audio frame is valid and is encoded and sent.
  - false: The playback audio frame is invalid and is not encoded or sent.

Implements agora::media::IAudioFrameObserverBase.

## ◆ onMixedAudioFrame()

bool agora::rtc::IMediaRecorderEx::onMixedAudioFrame | ( | const char * | channelId,
|  | AudioFrame & | audioFrame )
| inline override virtual

Occurs when the mixed audio data is received.

Parameters

  channelId | The channel name
  audioFrame | The reference to the audio frame: AudioFrame.

Returns
  - true: The mixed audio data is valid and is encoded and sent.
  - false: The mixed audio data is invalid and is not encoded or sent.

Implements agora::media::IAudioFrameObserverBase.

## ◆ onEarMonitoringAudioFrame()

bool agora::rtc::IMediaRecorderEx::onEarMonitoringAudioFrame | ( | AudioFrame & | audioFrame | ) |
| inline override virtual

Occurs when the ear monitoring audio frame is received.

Parameters

  audioFrame | The reference to the audio frame: AudioFrame.

Returns
  - true: The ear monitoring audio data is valid and is encoded and sent.
  - false: The ear monitoring audio data is invalid and is not encoded or sent.

Implements agora::media::IAudioFrameObserverBase.

## ◆ getPlaybackAudioParams()

AudioParams agora::rtc::IMediaRecorderEx::getPlaybackAudioParams | ( |  | ) |
| inline override virtual

Sets the audio playback format Note**:

- The SDK calculates the sample interval according to the `AudioParams` you set in the return value of this callback and triggers the `onPlaybackAudioFrame` callback at the calculated sample interval. Sample interval (seconds) = `samplesPerCall`/(`sampleRate` × `channel`). Ensure that the value of sample interval is equal to or greater than 0.01.

Returns
  Sets the audio format. See AgoraAudioParams.

Implements agora::media::IAudioFrameObserverBase.

## ◆ getRecordAudioParams()

AudioParams agora::rtc::IMediaRecorderEx::getRecordAudioParams | ( |  | ) |
| inline override virtual

Sets the audio recording format Note**:

- The SDK calculates the sample interval according to the `AudioParams` you set in the return value of this callback and triggers the `onRecordAudioFrame` callback at the calculated sample interval. Sample interval (seconds) = `samplesPerCall`/(`sampleRate` × `channel`). Ensure that the value of sample interval is equal to or greater than 0.01.

Returns
  Sets the audio format. See AgoraAudioParams.

Implements agora::media::IAudioFrameObserverBase.

## ◆ getMixedAudioParams()

AudioParams agora::rtc::IMediaRecorderEx::getMixedAudioParams | ( |  | ) |
| inline override virtual

Sets the audio mixing format Note**:

- The SDK calculates the sample interval according to the `AudioParams` you set in the return value of this callback and triggers the `onMixedAudioFrame` callback at the calculated sample interval. Sample interval (seconds) = `samplesPerCall`/(`sampleRate` × `channel`). Ensure that the value of sample interval is equal to or greater than 0.01.

Returns
  Sets the audio format. See AgoraAudioParams.

Implements agora::media::IAudioFrameObserverBase.

## ◆ getEarMonitoringAudioParams()

AudioParams agora::rtc::IMediaRecorderEx::getEarMonitoringAudioParams | ( |  | ) |
| inline override virtual

Sets the ear monitoring audio format Note**:

- The SDK calculates the sample interval according to the `AudioParams` you set in the return value of this callback and triggers the `onEarMonitoringAudioFrame` callback at the calculated sample interval. Sample interval (seconds) = `samplesPerCall`/(`sampleRate` × `channel`). Ensure that the value of sample interval is equal to or greater than 0.01.

Returns
  Sets the audio format. See AgoraAudioParams.

Implements agora::media::IAudioFrameObserverBase.