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use char instead of QByteArray for mix samples in AudioMixer

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This commit is contained in:
Stephen Birarda 2014-03-17 17:22:16 -07:00
parent 288272f051
commit 07a71d8796
2 changed files with 4 additions and 6 deletions
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7
assignment-client/src/audio/AudioMixer.cpp
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@ -62,8 +62,7 @@ void attachNewBufferToNode(Node *newNode) {
} }
AudioMixer::AudioMixer(const QByteArray& packet) : AudioMixer::AudioMixer(const QByteArray& packet) :
ThreadedAssignment(packet), ThreadedAssignment(packet)
_clientMixBuffer(NETWORK_BUFFER_LENGTH_BYTES_STEREO + numBytesForPacketHeaderGivenPacketType(PacketTypeMixedAudio), 0)
{ {
connect(NodeList::getInstance(), &NodeList::uuidChanged, this, &AudioMixer::receivedSessionUUID); connect(NodeList::getInstance(), &NodeList::uuidChanged, this, &AudioMixer::receivedSessionUUID);
} }
@ -372,8 +371,8 @@ void AudioMixer::run() {
&& ((AudioMixerClientData*) node->getLinkedData())->getAvatarAudioRingBuffer()) { && ((AudioMixerClientData*) node->getLinkedData())->getAvatarAudioRingBuffer()) {
prepareMixForListeningNode(node.data()); prepareMixForListeningNode(node.data());
memcpy(_clientMixBuffer.data() + numBytesPacketHeader, _clientSamples, NETWORK_BUFFER_LENGTH_BYTES_STEREO); memcpy(_clientMixBuffer + numBytesPacketHeader, _clientSamples, NETWORK_BUFFER_LENGTH_BYTES_STEREO);
nodeList->writeDatagram(_clientMixBuffer, node); nodeList->writeDatagram(_clientMixBuffer, NETWORK_BUFFER_LENGTH_BYTES_STEREO + numBytesPacketHeader, node);
} }
} }

3
assignment-client/src/audio/AudioMixer.h
View file

@ -38,10 +38,9 @@ private:
/// prepares and sends a mix to one Node /// prepares and sends a mix to one Node
void prepareMixForListeningNode(Node* node); void prepareMixForListeningNode(Node* node);
QByteArray _clientMixBuffer;
// client samples capacity is larger than what will be sent to optimize mixing // client samples capacity is larger than what will be sent to optimize mixing
int16_t _clientSamples[NETWORK_BUFFER_LENGTH_SAMPLES_STEREO + SAMPLE_PHASE_DELAY_AT_90]; int16_t _clientSamples[NETWORK_BUFFER_LENGTH_SAMPLES_STEREO + SAMPLE_PHASE_DELAY_AT_90];
char _clientMixBuffer[NETWORK_BUFFER_LENGTH_BYTES_STEREO + MAX_PACKET_HEADER_BYTES];
}; };
#endif /* defined(__hifi__AudioMixer__) */ #endif /* defined(__hifi__AudioMixer__) */