62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
/* Copyright(C) 2007-2018 VoIP objects (voipobjects.com)
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "MT_SingleAudioStream.h"
|
|
#include "MT_CodecList.h"
|
|
//#include "resip/stack/SdpContents.hxx"
|
|
#include "../engine/helper/HL_Log.h"
|
|
|
|
#define LOG_SUBSYSTEM "media"
|
|
|
|
using namespace MT;
|
|
|
|
SingleAudioStream::SingleAudioStream(const CodecList::Settings& codecSettings, Statistics& stat)
|
|
:mReceiver(codecSettings, stat),
|
|
mDtmfReceiver(stat)
|
|
{}
|
|
|
|
SingleAudioStream::~SingleAudioStream()
|
|
{}
|
|
|
|
void SingleAudioStream::process(const std::shared_ptr<jrtplib::RTPPacket>& packet)
|
|
{
|
|
ICELogMedia(<< "Processing incoming RTP/RTCP packet");
|
|
if (packet->GetPayloadType() == mReceiver.getCodecSettings().mTelephoneEvent)
|
|
mDtmfReceiver.add(packet);
|
|
else
|
|
mReceiver.add(packet);
|
|
}
|
|
|
|
void SingleAudioStream::copyPcmTo(Audio::DataWindow& output, int needed)
|
|
{
|
|
// Packet by packet
|
|
while (output.filled() < needed)
|
|
{
|
|
// Number of bytes to fill on this step
|
|
auto requested = needed - output.filled();
|
|
|
|
// requested is in bytes: 16-bit samples at AUDIO_SAMPLERATE/AUDIO_CHANNELS
|
|
constexpr int bytesPerMs = AUDIO_SAMPLERATE / 1000 * sizeof(int16_t) * AUDIO_CHANNELS;
|
|
|
|
auto options = AudioReceiver::DecodeOptions{
|
|
.mRealtimeProcessing = true,
|
|
.mResampleToMainRate = true,
|
|
.mSkipDecode = false,
|
|
.mElapsed = std::chrono::milliseconds(requested / bytesPerMs)
|
|
};
|
|
|
|
// Try to get the data from receiver / decoder
|
|
if (options.mElapsed != 0ms) {
|
|
if (mReceiver.getAudioTo(output, options).mStatus != AudioReceiver::DecodeResult::Status::Ok)
|
|
break;
|
|
} else
|
|
break;
|
|
}
|
|
|
|
// if (output.filled() < needed)
|
|
// ICELogError(<< "Not enough data for speaker's mixer");
|
|
}
|
|
|