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Bug 1109248: revert removal of webrtc audio ExternalRecording interface rs=jesup
This commit is contained in:
parent
00e69d533a
commit
05d3f1973f
@ -67,6 +67,7 @@
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#define WEBRTC_VOICE_ENGINE_AGC // Near-end AGC
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#define WEBRTC_VOICE_ENGINE_ECHO // Near-end AEC
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#define WEBRTC_VOICE_ENGINE_NR // Near-end NS
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#define WEBRTC_VOE_EXTERNAL_REC_AND_PLAYOUT
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#if !defined(WEBRTC_ANDROID) && !defined(WEBRTC_IOS)
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#define WEBRTC_VOICE_ENGINE_TYPING_DETECTION // Typing detection
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@ -7,6 +7,28 @@
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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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// In some cases it is desirable to use an audio source or sink which may
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// not be available to the VoiceEngine, such as a DV camera. This sub-API
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// contains functions that allow for the use of such external recording
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// sources and playout sinks. It also describes how recorded data, or data
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// to be played out, can be modified outside the VoiceEngine.
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//
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// Usage example, omitting error checking:
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//
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// using namespace webrtc;
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// VoiceEngine* voe = VoiceEngine::Create();
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// VoEBase* base = VoEBase::GetInterface(voe);
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// VoEMediaProcess media = VoEMediaProcess::GetInterface(voe);
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// base->Init();
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// ...
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// media->SetExternalRecordingStatus(true);
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// ...
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// base->Terminate();
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// base->Release();
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// media->Release();
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// VoiceEngine::Delete(voe);
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//
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#ifndef WEBRTC_VOICE_ENGINE_VOE_EXTERNAL_MEDIA_H
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#define WEBRTC_VOICE_ENGINE_VOE_EXTERNAL_MEDIA_H
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@ -61,6 +83,37 @@ public:
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virtual int DeRegisterExternalMediaProcessing(
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int channel, ProcessingTypes type) = 0;
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// Toogles state of external recording.
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virtual int SetExternalRecordingStatus(bool enable) = 0;
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// Toogles state of external playout.
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virtual int SetExternalPlayoutStatus(bool enable) = 0;
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// This function accepts externally recorded audio. During transmission,
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// this method should be called at as regular an interval as possible
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// with frames of corresponding size.
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virtual int ExternalRecordingInsertData(
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const int16_t speechData10ms[], int lengthSamples,
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int samplingFreqHz, int current_delay_ms) = 0;
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// This function inserts audio written to the OS audio drivers for use
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// as the far-end signal for AEC processing. The length of the block
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// must be 160, 320, 441 or 480 samples (for 16000, 32000, 44100 or
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// 48000 kHz sampling rates respectively).
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virtual int ExternalPlayoutData(
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int16_t speechData10ms[], int samplingFreqHz, int num_channels,
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int current_delay_ms, int& lengthSamples) = 0;
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// This function gets audio for an external playout sink.
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// During transmission, this function should be called every ~10 ms
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// to obtain a new 10 ms frame of audio. The length of the block will
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// be 160, 320, 441 or 480 samples (for 16000, 32000, 44100 or
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// 48000 kHz sampling rates respectively).
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virtual int ExternalPlayoutGetData(
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int16_t speechData10ms[], int samplingFreqHz,
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int current_delay_ms, int& lengthSamples) = 0;
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// Pulls an audio frame from the specified |channel| for external mixing.
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// If the |desired_sample_rate_hz| is 0, the signal will be returned with
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// its native frequency, otherwise it will be resampled. Valid frequencies
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@ -71,25 +124,6 @@ public:
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// Sets the state of external mixing. Cannot be changed during playback.
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virtual int SetExternalMixing(int channel, bool enable) = 0;
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// Don't use. To be removed.
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virtual int SetExternalRecordingStatus(bool enable) { return -1; }
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virtual int SetExternalPlayoutStatus(bool enable) { return -1; }
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virtual int ExternalRecordingInsertData(
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const int16_t speechData10ms[], int lengthSamples,
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int samplingFreqHz, int current_delay_ms) { return -1; }
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// This function inserts audio written to the OS audio drivers for use
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// as the far-end signal for AEC processing. The length of the block
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// must be 160, 320, 441 or 480 samples (for 16000, 32000, 44100 or
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// 48000 kHz sampling rates respectively).
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virtual int ExternalPlayoutData(
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int16_t speechData10ms[], int samplingFreqHz, int num_channels,
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int current_delay_ms, int& lengthSamples) = 0;
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virtual int ExternalPlayoutGetData(
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int16_t speechData10ms[], int samplingFreqHz,
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int current_delay_ms, int& lengthSamples) { return -1; }
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protected:
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VoEExternalMedia() {}
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virtual ~VoEExternalMedia() {}
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@ -28,6 +28,43 @@ class ExternalMediaTest : public AfterStreamingFixture {
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}
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};
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TEST_F(ExternalMediaTest, ManualCanRecordAndPlaybackUsingExternalPlayout) {
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SwitchToManualMicrophone();
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EXPECT_EQ(0, voe_base_->StopSend(channel_));
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EXPECT_EQ(0, voe_base_->StopPlayout(channel_));
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EXPECT_EQ(0, voe_xmedia_->SetExternalPlayoutStatus(true));
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EXPECT_EQ(0, voe_base_->StartPlayout(channel_));
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EXPECT_EQ(0, voe_base_->StartSend(channel_));
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TEST_LOG("Recording data for 2 seconds starting now: please speak.\n");
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int16_t recording[32000];
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for (int i = 0; i < 200; i++) {
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int sample_length = 0;
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EXPECT_EQ(0, voe_xmedia_->ExternalPlayoutGetData(
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&(recording[i * 160]), 16000, 100, sample_length));
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EXPECT_EQ(160, sample_length);
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Sleep(10);
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}
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EXPECT_EQ(0, voe_base_->StopSend(channel_));
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EXPECT_EQ(0, voe_base_->StopPlayout(channel_));
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EXPECT_EQ(0, voe_xmedia_->SetExternalPlayoutStatus(false));
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EXPECT_EQ(0, voe_base_->StartPlayout(channel_));
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EXPECT_EQ(0, voe_xmedia_->SetExternalRecordingStatus(true));
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EXPECT_EQ(0, voe_base_->StartSend(channel_));
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TEST_LOG("Playing back recording, you should hear what you said earlier.\n");
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for (int i = 0; i < 200; i++) {
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EXPECT_EQ(0, voe_xmedia_->ExternalRecordingInsertData(
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&(recording[i * 160]), 160, 16000, 20));
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Sleep(10);
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}
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EXPECT_EQ(0, voe_base_->StopSend(channel_));
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EXPECT_EQ(0, voe_xmedia_->SetExternalRecordingStatus(false));
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}
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TEST_F(ExternalMediaTest,
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ManualRegisterExternalMediaProcessingOnAllChannelsAffectsPlayout) {
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TEST_LOG("Enabling external media processing: audio should be affected.\n");
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@ -787,6 +787,16 @@ int VoEBaseImpl::GetVersion(char version[1024])
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accLen += len;
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assert(accLen < kVoiceEngineVersionMaxMessageSize);
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#endif
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#ifdef WEBRTC_VOE_EXTERNAL_REC_AND_PLAYOUT
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len = AddExternalRecAndPlayoutBuild(versionPtr);
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if (len == -1)
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{
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return -1;
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}
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versionPtr += len;
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accLen += len;
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assert(accLen < kVoiceEngineVersionMaxMessageSize);
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#endif
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memcpy(version, versionBuf, accLen);
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version[accLen] = '\0';
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@ -831,6 +841,13 @@ int32_t VoEBaseImpl::AddExternalTransportBuild(char* str) const
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}
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#endif
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#ifdef WEBRTC_VOE_EXTERNAL_REC_AND_PLAYOUT
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int32_t VoEBaseImpl::AddExternalRecAndPlayoutBuild(char* str) const
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{
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return sprintf(str, "External recording and playout build\n");
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}
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#endif
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int VoEBaseImpl::LastError()
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{
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WEBRTC_TRACE(kTraceApiCall, kTraceVoice, VoEId(_shared->instance_id(), -1),
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@ -153,6 +153,9 @@ private:
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int InitializeChannel(voe::ChannelOwner* channel_owner);
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#ifdef WEBRTC_EXTERNAL_TRANSPORT
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int32_t AddExternalTransportBuild(char* str) const;
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#endif
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#ifdef WEBRTC_VOE_EXTERNAL_REC_AND_PLAYOUT
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int32_t AddExternalRecAndPlayoutBuild(char* str) const;
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#endif
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VoiceEngineObserver* _voiceEngineObserverPtr;
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CriticalSectionWrapper& _callbackCritSect;
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@ -143,6 +143,265 @@ int VoEExternalMediaImpl::DeRegisterExternalMediaProcessing(
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return -1;
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}
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int VoEExternalMediaImpl::SetExternalRecordingStatus(bool enable)
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{
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WEBRTC_TRACE(kTraceApiCall, kTraceVoice, VoEId(shared_->instance_id(), -1),
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"SetExternalRecordingStatus(enable=%d)", enable);
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#ifdef WEBRTC_VOE_EXTERNAL_REC_AND_PLAYOUT
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if (shared_->audio_device()->Recording())
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{
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shared_->SetLastError(VE_ALREADY_SENDING, kTraceError,
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"SetExternalRecordingStatus() cannot set state while sending");
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return -1;
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}
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shared_->set_ext_recording(enable);
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return 0;
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#else
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shared_->SetLastError(VE_FUNC_NOT_SUPPORTED, kTraceError,
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"SetExternalRecordingStatus() external recording is not supported");
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return -1;
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#endif
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}
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int VoEExternalMediaImpl::ExternalRecordingInsertData(
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const int16_t speechData10ms[],
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int lengthSamples,
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int samplingFreqHz,
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int current_delay_ms)
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{
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WEBRTC_TRACE(kTraceStream, kTraceVoice, VoEId(shared_->instance_id(), -1),
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"ExternalRecordingInsertData(speechData10ms=0x%x,"
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" lengthSamples=%u, samplingFreqHz=%d, current_delay_ms=%d)",
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&speechData10ms[0], lengthSamples, samplingFreqHz,
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current_delay_ms);
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#ifdef WEBRTC_VOE_EXTERNAL_REC_AND_PLAYOUT
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if (!shared_->statistics().Initialized())
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{
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shared_->SetLastError(VE_NOT_INITED, kTraceError);
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return -1;
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}
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if (!shared_->ext_recording())
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{
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shared_->SetLastError(VE_INVALID_OPERATION, kTraceError,
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"ExternalRecordingInsertData() external recording is not enabled");
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return -1;
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}
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if (shared_->NumOfSendingChannels() == 0)
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{
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shared_->SetLastError(VE_ALREADY_SENDING, kTraceError,
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"SetExternalRecordingStatus() no channel is sending");
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return -1;
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}
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if ((16000 != samplingFreqHz) && (32000 != samplingFreqHz) &&
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(48000 != samplingFreqHz) && (44100 != samplingFreqHz))
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{
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shared_->SetLastError(VE_INVALID_ARGUMENT, kTraceError,
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"SetExternalRecordingStatus() invalid sample rate");
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return -1;
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}
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if ((0 == lengthSamples) ||
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((lengthSamples % (samplingFreqHz / 100)) != 0))
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{
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shared_->SetLastError(VE_INVALID_ARGUMENT, kTraceError,
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"SetExternalRecordingStatus() invalid buffer size");
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return -1;
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}
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if (current_delay_ms < 0)
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{
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shared_->SetLastError(VE_INVALID_ARGUMENT, kTraceError,
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"SetExternalRecordingStatus() invalid delay)");
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return -1;
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}
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uint16_t blockSize = samplingFreqHz / 100;
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uint32_t nBlocks = lengthSamples / blockSize;
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int16_t totalDelayMS = 0;
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uint16_t playoutDelayMS = 0;
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for (uint32_t i = 0; i < nBlocks; i++)
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{
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if (!shared_->ext_playout())
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{
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// Use real playout delay if external playout is not enabled.
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if (shared_->audio_device()->PlayoutDelay(&playoutDelayMS) != 0) {
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shared_->SetLastError(VE_AUDIO_DEVICE_MODULE_ERROR, kTraceWarning,
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"PlayoutDelay() unable to get the playout delay");
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}
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totalDelayMS = current_delay_ms + playoutDelayMS;
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}
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else
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{
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// Use stored delay value given the last call
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// to ExternalPlayoutGetData.
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totalDelayMS = current_delay_ms + playout_delay_ms_;
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// Compensate for block sizes larger than 10ms
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totalDelayMS -= (int16_t)(i*10);
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if (totalDelayMS < 0)
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totalDelayMS = 0;
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}
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shared_->transmit_mixer()->PrepareDemux(
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(const int8_t*)(&speechData10ms[i*blockSize]),
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blockSize,
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1,
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samplingFreqHz,
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totalDelayMS,
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0,
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0,
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false); // Typing detection not supported
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shared_->transmit_mixer()->DemuxAndMix();
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shared_->transmit_mixer()->EncodeAndSend();
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}
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return 0;
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#else
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shared_->SetLastError(VE_FUNC_NOT_SUPPORTED, kTraceError,
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"ExternalRecordingInsertData() external recording is not supported");
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return -1;
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#endif
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}
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int VoEExternalMediaImpl::SetExternalPlayoutStatus(bool enable)
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{
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WEBRTC_TRACE(kTraceApiCall, kTraceVoice, VoEId(shared_->instance_id(), -1),
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"SetExternalPlayoutStatus(enable=%d)", enable);
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#ifdef WEBRTC_VOE_EXTERNAL_REC_AND_PLAYOUT
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if (shared_->audio_device()->Playing())
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{
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shared_->SetLastError(VE_ALREADY_SENDING, kTraceError,
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"SetExternalPlayoutStatus() cannot set state while playing");
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return -1;
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}
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shared_->set_ext_playout(enable);
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return 0;
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#else
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shared_->SetLastError(VE_FUNC_NOT_SUPPORTED, kTraceError,
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"SetExternalPlayoutStatus() external playout is not supported");
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return -1;
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#endif
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}
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// This inserts a copy of the raw audio sent to the output drivers to use
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// as the "far end" signal for the AEC. Currently only 10ms chunks are
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// supported unfortunately. Since we have to rechunk to 10ms to call this,
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// thre isn't much gained by allowing N*10ms here; external code can loop
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// if needed.
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int VoEExternalMediaImpl::ExternalPlayoutData(
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int16_t speechData10ms[],
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int samplingFreqHz,
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int num_channels,
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int current_delay_ms,
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int& lengthSamples)
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{
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WEBRTC_TRACE(kTraceStream, kTraceVoice, VoEId(shared_->instance_id(), -1),
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"ExternalPlayoutData(speechData10ms=0x%x,"
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" lengthSamples=%u, samplingFreqHz=%d, current_delay_ms=%d)",
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&speechData10ms[0], lengthSamples, samplingFreqHz,
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current_delay_ms);
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#ifdef WEBRTC_VOE_EXTERNAL_REC_AND_PLAYOUT
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if (!shared_->statistics().Initialized())
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{
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shared_->SetLastError(VE_NOT_INITED, kTraceError);
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return -1;
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}
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// FIX(jesup) - check if this is enabled?
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if (shared_->NumOfSendingChannels() == 0)
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{
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shared_->SetLastError(VE_ALREADY_SENDING, kTraceError,
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"SetExternalRecordingStatus() no channel is sending");
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return -1;
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}
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if ((16000 != samplingFreqHz) && (32000 != samplingFreqHz) &&
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(48000 != samplingFreqHz) && (44100 != samplingFreqHz))
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{
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shared_->SetLastError(VE_INVALID_ARGUMENT, kTraceError,
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"SetExternalRecordingStatus() invalid sample rate");
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return -1;
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}
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if (current_delay_ms < 0)
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{
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shared_->SetLastError(VE_INVALID_ARGUMENT, kTraceError,
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"SetExternalRecordingStatus() invalid delay)");
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return -1;
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}
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// Far-end data is inserted without going through neteq/etc.
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// Only supports 10ms chunks; AnalyzeReverseStream() enforces that
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// lower down.
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AudioFrame audioFrame;
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audioFrame.UpdateFrame(-1, 0xFFFFFFFF,
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speechData10ms,
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lengthSamples,
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samplingFreqHz,
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AudioFrame::kNormalSpeech,
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AudioFrame::kVadUnknown,
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num_channels);
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shared_->output_mixer()->APMAnalyzeReverseStream(audioFrame);
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#endif
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return 0;
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}
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int VoEExternalMediaImpl::ExternalPlayoutGetData(
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int16_t speechData10ms[],
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int samplingFreqHz,
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int current_delay_ms,
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int& lengthSamples)
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{
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WEBRTC_TRACE(kTraceStream, kTraceVoice, VoEId(shared_->instance_id(), -1),
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"ExternalPlayoutGetData(speechData10ms=0x%x, samplingFreqHz=%d"
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", current_delay_ms=%d)", &speechData10ms[0], samplingFreqHz,
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current_delay_ms);
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#ifdef WEBRTC_VOE_EXTERNAL_REC_AND_PLAYOUT
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if (!shared_->statistics().Initialized())
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{
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shared_->SetLastError(VE_NOT_INITED, kTraceError);
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return -1;
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}
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if (!shared_->ext_playout())
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{
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shared_->SetLastError(VE_INVALID_OPERATION, kTraceError,
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"ExternalPlayoutGetData() external playout is not enabled");
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return -1;
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}
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if ((16000 != samplingFreqHz) && (32000 != samplingFreqHz) &&
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(48000 != samplingFreqHz) && (44100 != samplingFreqHz))
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{
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shared_->SetLastError(VE_INVALID_ARGUMENT, kTraceError,
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"ExternalPlayoutGetData() invalid sample rate");
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return -1;
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}
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if (current_delay_ms < 0)
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{
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shared_->SetLastError(VE_INVALID_ARGUMENT, kTraceError,
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"ExternalPlayoutGetData() invalid delay)");
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return -1;
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}
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AudioFrame audioFrame;
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// Retrieve mixed output at the specified rate
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shared_->output_mixer()->MixActiveChannels();
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shared_->output_mixer()->DoOperationsOnCombinedSignal(true);
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shared_->output_mixer()->GetMixedAudio(samplingFreqHz, 1, &audioFrame);
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// Deliver audio (PCM) samples to the external sink
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memcpy(speechData10ms,
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audioFrame.data_,
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sizeof(int16_t)*(audioFrame.samples_per_channel_));
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lengthSamples = audioFrame.samples_per_channel_;
|
||||
|
||||
// Store current playout delay (to be used by ExternalRecordingInsertData).
|
||||
playout_delay_ms_ = current_delay_ms;
|
||||
|
||||
return 0;
|
||||
#else
|
||||
shared_->SetLastError(VE_FUNC_NOT_SUPPORTED, kTraceError,
|
||||
"ExternalPlayoutGetData() external playout is not supported");
|
||||
return -1;
|
||||
#endif
|
||||
}
|
||||
|
||||
int VoEExternalMediaImpl::GetAudioFrame(int channel, int desired_sample_rate_hz,
|
||||
AudioFrame* frame) {
|
||||
WEBRTC_TRACE(kTraceApiCall, kTraceVoice,
|
||||
|
@ -29,6 +29,28 @@ public:
|
||||
int channel,
|
||||
ProcessingTypes type);
|
||||
|
||||
virtual int SetExternalRecordingStatus(bool enable);
|
||||
|
||||
virtual int SetExternalPlayoutStatus(bool enable);
|
||||
|
||||
virtual int ExternalRecordingInsertData(
|
||||
const int16_t speechData10ms[],
|
||||
int lengthSamples,
|
||||
int samplingFreqHz,
|
||||
int current_delay_ms);
|
||||
|
||||
// Insertion of far-end data as actually played out to the OS audio driver
|
||||
virtual int ExternalPlayoutData(
|
||||
int16_t speechData10ms[],
|
||||
int samplingFreqHz,
|
||||
int num_channels,
|
||||
int current_delay_ms,
|
||||
int& lengthSamples);
|
||||
|
||||
virtual int ExternalPlayoutGetData(int16_t speechData10ms[],
|
||||
int samplingFreqHz,
|
||||
int current_delay_ms,
|
||||
int& lengthSamples);
|
||||
|
||||
virtual int GetAudioFrame(int channel, int desired_sample_rate_hz,
|
||||
AudioFrame* frame);
|
||||
@ -40,6 +62,9 @@ protected:
|
||||
virtual ~VoEExternalMediaImpl();
|
||||
|
||||
private:
|
||||
#ifdef WEBRTC_VOE_EXTERNAL_REC_AND_PLAYOUT
|
||||
int playout_delay_ms_;
|
||||
#endif
|
||||
voe::SharedData* shared_;
|
||||
};
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user