forked from opdenkamp/xbmc
/
ActiveAESink.cpp
1050 lines (955 loc) · 29.2 KB
/
ActiveAESink.cpp
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/*
* Copyright (C) 2010-2013 Team XBMC
* http://xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#include <sstream>
#include "ActiveAESink.h"
#include "cores/AudioEngine/Utils/AEUtil.h"
#include "cores/AudioEngine/Utils/AEStreamInfo.h"
#include "cores/AudioEngine/Utils/AEBitstreamPacker.h"
#include "utils/EndianSwap.h"
#include "ActiveAE.h"
#include "cores/AudioEngine/AEResampleFactory.h"
#include "settings/Settings.h"
#include "utils/log.h"
#include <new> // for std::bad_alloc
#include <algorithm>
using namespace ActiveAE;
CActiveAESink::CActiveAESink(CEvent *inMsgEvent) :
CThread("AESink"),
m_controlPort("SinkControlPort", inMsgEvent, &m_outMsgEvent),
m_dataPort("SinkDataPort", inMsgEvent, &m_outMsgEvent)
{
m_inMsgEvent = inMsgEvent;
m_sink = nullptr;
m_stats = nullptr;
m_volume = 0.0;
m_packer = nullptr;
}
void CActiveAESink::Start()
{
if (!IsRunning())
{
Create();
SetPriority(THREAD_PRIORITY_ABOVE_NORMAL);
}
}
void CActiveAESink::Dispose()
{
m_bStop = true;
m_outMsgEvent.Set();
StopThread();
m_controlPort.Purge();
m_dataPort.Purge();
if (m_sink)
{
m_sink->Drain();
m_sink->Deinitialize();
delete m_sink;
m_sink = nullptr;
}
delete m_sampleOfSilence.pkt;
m_sampleOfSilence.pkt = nullptr;
delete m_packer;
m_packer = nullptr;
}
AEDeviceType CActiveAESink::GetDeviceType(const std::string &device)
{
std::string dev = device;
std::string dri;
CAESinkFactory::ParseDevice(dev, dri);
for (AESinkInfoList::iterator itt = m_sinkInfoList.begin(); itt != m_sinkInfoList.end(); ++itt)
{
for (AEDeviceInfoList::iterator itt2 = itt->m_deviceInfoList.begin(); itt2 != itt->m_deviceInfoList.end(); ++itt2)
{
CAEDeviceInfo& info = *itt2;
if (info.m_deviceName == dev)
return info.m_deviceType;
}
}
return AE_DEVTYPE_PCM;
}
bool CActiveAESink::HasPassthroughDevice()
{
for (AESinkInfoList::iterator itt = m_sinkInfoList.begin(); itt != m_sinkInfoList.end(); ++itt)
{
for (AEDeviceInfoList::iterator itt2 = itt->m_deviceInfoList.begin(); itt2 != itt->m_deviceInfoList.end(); ++itt2)
{
CAEDeviceInfo& info = *itt2;
if (info.m_deviceType != AE_DEVTYPE_PCM)
return true;
}
}
return false;
}
bool CActiveAESink::SupportsFormat(const std::string &device, AEAudioFormat &format)
{
std::string dev = device;
std::string dri;
CAESinkFactory::ParseDevice(dev, dri);
for (AESinkInfoList::iterator itt = m_sinkInfoList.begin(); itt != m_sinkInfoList.end(); ++itt)
{
if (dri == itt->m_sinkName)
{
for (AEDeviceInfoList::iterator itt2 = itt->m_deviceInfoList.begin(); itt2 != itt->m_deviceInfoList.end(); ++itt2)
{
CAEDeviceInfo& info = *itt2;
if (info.m_deviceName == dev)
{
bool isRaw = format.m_dataFormat == AE_FMT_RAW;
bool formatExists = false;
// PCM sample rate
unsigned int samplerate = format.m_sampleRate;
if (isRaw && info.m_wantsIECPassthrough)
{
switch (format.m_streamInfo.m_type)
{
case CAEStreamInfo::STREAM_TYPE_EAC3:
samplerate = 4 * format.m_streamInfo.m_sampleRate;
break;
case CAEStreamInfo::STREAM_TYPE_TRUEHD:
if (format.m_streamInfo.m_sampleRate == 48000 || format.m_streamInfo.m_sampleRate == 96000 || format.m_streamInfo.m_sampleRate == 192000)
samplerate = 192000;
else
samplerate = 176400;
break;
case CAEStreamInfo::STREAM_TYPE_DTSHD:
samplerate = 192000;
break;
default:
break;
}
AEDataTypeList::iterator iit3;
iit3 = find(info.m_streamTypes.begin(), info.m_streamTypes.end(), format.m_streamInfo.m_type);
formatExists = (iit3 != info.m_streamTypes.end());
}
else if (isRaw && !info.m_wantsIECPassthrough)
{
// fix me
}
else // PCM case
{
AEDataFormatList::iterator itt3;
itt3 = find(info.m_dataFormats.begin(), info.m_dataFormats.end(), format.m_dataFormat);
formatExists = (itt3 != info.m_dataFormats.end());
}
// check if samplerate is available
if (formatExists)
{
AESampleRateList::iterator itt4;
itt4 = find(info.m_sampleRates.begin(), info.m_sampleRates.end(), samplerate);
if (itt4 != info.m_sampleRates.end())
return true;
else
return false;
}
else // format is not existent
{
return false;
}
}
}
}
}
return false;
}
bool CActiveAESink::NeedIECPacking()
{
std::string dev = m_device;
std::string dri;
CAESinkFactory::ParseDevice(dev, dri);
for (AESinkInfoList::iterator itt = m_sinkInfoList.begin(); itt != m_sinkInfoList.end(); ++itt)
{
if (dri == itt->m_sinkName)
{
for (AEDeviceInfoList::iterator itt2 = itt->m_deviceInfoList.begin(); itt2 != itt->m_deviceInfoList.end(); ++itt2)
{
CAEDeviceInfo& info = *itt2;
if (info.m_deviceName == dev)
{
return info.m_wantsIECPassthrough;
}
}
}
}
return false;
}
enum SINK_STATES
{
S_TOP = 0, // 0
S_TOP_UNCONFIGURED, // 1
S_TOP_CONFIGURED, // 2
S_TOP_CONFIGURED_SUSPEND, // 3
S_TOP_CONFIGURED_IDLE, // 4
S_TOP_CONFIGURED_PLAY, // 5
S_TOP_CONFIGURED_SILENCE, // 6
};
int SINK_parentStates[] = {
-1,
0, //TOP_UNCONFIGURED
0, //TOP_CONFIGURED
2, //TOP_CONFIGURED_SUSPEND
2, //TOP_CONFIGURED_IDLE
2, //TOP_CONFIGURED_PLAY
2, //TOP_CONFIGURED_SILENCE
};
void CActiveAESink::StateMachine(int signal, Protocol *port, Message *msg)
{
for (int state = m_state; ; state = SINK_parentStates[state])
{
switch (state)
{
case S_TOP: // TOP
if (port == &m_controlPort)
{
switch (signal)
{
case CSinkControlProtocol::CONFIGURE:
SinkConfig *data;
data = (SinkConfig*)msg->data;
if (data)
{
m_requestedFormat = data->format;
m_stats = data->stats;
m_device = *(data->device);
}
m_extError = false;
m_extSilenceTimer = 0;
m_extStreaming = false;
ReturnBuffers();
OpenSink();
if (!m_extError)
{
SinkReply reply;
reply.format = m_sinkFormat;
// TODO
// use max raw packet size, for now use max size of an IEC packed packet
// maxIECPpacket > maxRawPacket
// for raw packets frameSize is set to 1
if (m_requestedFormat.m_dataFormat == AE_FMT_RAW)
{
reply.format.m_frames = 61440;
}
reply.cacheTotal = m_sink->GetCacheTotal();
reply.latency = m_sink->GetLatency();
reply.hasVolume = m_sink->HasVolume();
m_state = S_TOP_CONFIGURED_IDLE;
m_extTimeout = 10000;
m_sinkLatency = (int64_t)(reply.latency * 1000);
msg->Reply(CSinkControlProtocol::ACC, &reply, sizeof(SinkReply));
}
else
{
m_state = S_TOP_UNCONFIGURED;
msg->Reply(CSinkControlProtocol::ERR);
}
return;
case CSinkControlProtocol::UNCONFIGURE:
ReturnBuffers();
if (m_sink)
{
m_sink->Drain();
m_sink->Deinitialize();
delete m_sink;
m_sink = nullptr;
}
m_state = S_TOP_UNCONFIGURED;
msg->Reply(CSinkControlProtocol::ACC);
return;
case CSinkControlProtocol::FLUSH:
ReturnBuffers();
msg->Reply(CSinkControlProtocol::ACC);
return;
case CSinkControlProtocol::APPFOCUSED:
m_extAppFocused = *(bool*)msg->data;
SetSilenceTimer();
m_extTimeout = 0;
return;
case CSinkControlProtocol::STREAMING:
m_extStreaming = *(bool*)msg->data;
return;
default:
break;
}
}
else if (port == &m_dataPort)
{
switch (signal)
{
case CSinkDataProtocol::DRAIN:
msg->Reply(CSinkDataProtocol::ACC);
m_state = S_TOP_UNCONFIGURED;
m_extTimeout = 0;
return;
default:
break;
}
}
{
std::string portName = port == nullptr ? "timer" : port->portName;
CLog::Log(LOGWARNING, "CActiveAESink::%s - signal: %d form port: %s not handled for state: %d", __FUNCTION__, signal, portName.c_str(), m_state);
}
return;
case S_TOP_UNCONFIGURED:
if (port == nullptr) // timeout
{
switch (signal)
{
case CSinkControlProtocol::TIMEOUT:
m_extTimeout = 1000;
return;
default:
break;
}
}
else if (port == &m_dataPort)
{
switch (signal)
{
case CSinkDataProtocol::SAMPLE:
CSampleBuffer *samples;
int timeout;
samples = *((CSampleBuffer**)msg->data);
timeout = 1000*samples->pkt->nb_samples/samples->pkt->config.sample_rate;
Sleep(timeout);
msg->Reply(CSinkDataProtocol::RETURNSAMPLE, &samples, sizeof(CSampleBuffer*));
m_extTimeout = 0;
return;
default:
break;
}
}
break;
case S_TOP_CONFIGURED:
if (port == &m_controlPort)
{
switch (signal)
{
case CSinkControlProtocol::STREAMING:
m_extStreaming = *(bool*)msg->data;
SetSilenceTimer();
if (!m_extSilenceTimer.IsTimePast())
{
m_state = S_TOP_CONFIGURED_SILENCE;
}
m_extTimeout = 0;
return;
case CSinkControlProtocol::VOLUME:
m_volume = *(float*)msg->data;
m_sink->SetVolume(m_volume);
return;
default:
break;
}
}
else if (port == &m_dataPort)
{
switch (signal)
{
case CSinkDataProtocol::DRAIN:
m_sink->Drain();
msg->Reply(CSinkDataProtocol::ACC);
m_state = S_TOP_CONFIGURED_IDLE;
m_extTimeout = 10000;
return;
case CSinkDataProtocol::SAMPLE:
CSampleBuffer *samples;
unsigned int delay;
samples = *((CSampleBuffer**)msg->data);
delay = OutputSamples(samples);
msg->Reply(CSinkDataProtocol::RETURNSAMPLE, &samples, sizeof(CSampleBuffer*));
if (m_extError)
{
m_sink->Deinitialize();
delete m_sink;
m_sink = nullptr;
m_state = S_TOP_CONFIGURED_SUSPEND;
m_extTimeout = 0;
}
else
{
m_state = S_TOP_CONFIGURED_PLAY;
m_extTimeout = delay / 2;
m_extSilenceTimer.Set(m_extSilenceTimeout);
}
return;
default:
break;
}
}
break;
case S_TOP_CONFIGURED_SUSPEND:
if (port == &m_controlPort)
{
switch (signal)
{
case CSinkControlProtocol::STREAMING:
m_extStreaming = *(bool*)msg->data;
SetSilenceTimer();
m_extTimeout = 0;
return;
case CSinkControlProtocol::VOLUME:
m_volume = *(float*)msg->data;
return;
default:
break;
}
}
else if (port == &m_dataPort)
{
switch (signal)
{
case CSinkDataProtocol::SAMPLE:
m_extError = false;
OpenSink();
OutputSamples(&m_sampleOfSilence);
m_state = S_TOP_CONFIGURED_PLAY;
m_extTimeout = 0;
m_bStateMachineSelfTrigger = true;
return;
case CSinkDataProtocol::DRAIN:
msg->Reply(CSinkDataProtocol::ACC);
return;
default:
break;
}
}
else if (port == nullptr) // timeout
{
switch (signal)
{
case CSinkControlProtocol::TIMEOUT:
m_extTimeout = 10000;
return;
default:
break;
}
}
break;
case S_TOP_CONFIGURED_IDLE:
if (port == &m_dataPort)
{
switch (signal)
{
case CSinkDataProtocol::SAMPLE:
OutputSamples(&m_sampleOfSilence);
m_state = S_TOP_CONFIGURED_PLAY;
m_extTimeout = 0;
m_bStateMachineSelfTrigger = true;
return;
default:
break;
}
}
else if (port == nullptr) // timeout
{
switch (signal)
{
case CSinkControlProtocol::TIMEOUT:
m_sink->Deinitialize();
delete m_sink;
m_sink = nullptr;
m_state = S_TOP_CONFIGURED_SUSPEND;
m_extTimeout = 10000;
return;
default:
break;
}
}
break;
case S_TOP_CONFIGURED_PLAY:
if (port == nullptr) // timeout
{
switch (signal)
{
case CSinkControlProtocol::TIMEOUT:
if (!m_extSilenceTimer.IsTimePast())
{
m_state = S_TOP_CONFIGURED_SILENCE;
m_extTimeout = 0;
}
else
{
m_sink->Drain();
m_state = S_TOP_CONFIGURED_IDLE;
if (m_extAppFocused)
m_extTimeout = 10000;
else
m_extTimeout = 0;
}
return;
default:
break;
}
}
break;
case S_TOP_CONFIGURED_SILENCE:
if (port == nullptr) // timeout
{
switch (signal)
{
case CSinkControlProtocol::TIMEOUT:
OutputSamples(&m_sampleOfSilence);
if (m_extError)
{
m_sink->Deinitialize();
delete m_sink;
m_sink = nullptr;
m_state = S_TOP_CONFIGURED_SUSPEND;
}
else
m_state = S_TOP_CONFIGURED_PLAY;
m_extTimeout = 0;
return;
default:
break;
}
}
break;
default: // we are in no state, should not happen
CLog::Log(LOGERROR, "CActiveAESink::%s - no valid state: %d", __FUNCTION__, m_state);
return;
}
} // for
}
void CActiveAESink::Process()
{
Message *msg = nullptr;
Protocol *port = nullptr;
bool gotMsg;
XbmcThreads::EndTime timer;
m_state = S_TOP_UNCONFIGURED;
m_extTimeout = 1000;
m_bStateMachineSelfTrigger = false;
m_extAppFocused = true;
while (!m_bStop)
{
gotMsg = false;
timer.Set(m_extTimeout);
if (m_bStateMachineSelfTrigger)
{
m_bStateMachineSelfTrigger = false;
// self trigger state machine
StateMachine(msg->signal, port, msg);
if (!m_bStateMachineSelfTrigger)
{
msg->Release();
msg = nullptr;
}
continue;
}
// check control port
else if (m_controlPort.ReceiveOutMessage(&msg))
{
gotMsg = true;
port = &m_controlPort;
}
// check data port
else if (m_dataPort.ReceiveOutMessage(&msg))
{
gotMsg = true;
port = &m_dataPort;
}
if (gotMsg)
{
StateMachine(msg->signal, port, msg);
if (!m_bStateMachineSelfTrigger)
{
msg->Release();
msg = nullptr;
}
continue;
}
// wait for message
else if (m_outMsgEvent.WaitMSec(m_extTimeout))
{
m_extTimeout = timer.MillisLeft();
continue;
}
// time out
else
{
msg = m_controlPort.GetMessage();
msg->signal = CSinkControlProtocol::TIMEOUT;
port = 0;
// signal timeout to state machine
StateMachine(msg->signal, port, msg);
if (!m_bStateMachineSelfTrigger)
{
msg->Release();
msg = nullptr;
}
}
}
}
void CActiveAESink::EnumerateSinkList(bool force)
{
if (!m_sinkInfoList.empty() && !force)
return;
unsigned int c_retry = 4;
m_sinkInfoList.clear();
CAESinkFactory::EnumerateEx(m_sinkInfoList);
while(m_sinkInfoList.size() == 0 && c_retry > 0)
{
CLog::Log(LOGNOTICE, "No Devices found - retry: %d", c_retry);
Sleep(1500);
c_retry--;
// retry the enumeration
CAESinkFactory::EnumerateEx(m_sinkInfoList, true);
}
CLog::Log(LOGNOTICE, "Found %lu Lists of Devices", m_sinkInfoList.size());
PrintSinks();
}
void CActiveAESink::PrintSinks()
{
for (AESinkInfoList::iterator itt = m_sinkInfoList.begin(); itt != m_sinkInfoList.end(); ++itt)
{
CLog::Log(LOGNOTICE, "Enumerated %s devices:", itt->m_sinkName.c_str());
int count = 0;
for (AEDeviceInfoList::iterator itt2 = itt->m_deviceInfoList.begin(); itt2 != itt->m_deviceInfoList.end(); ++itt2)
{
CLog::Log(LOGNOTICE, " Device %d", ++count);
CAEDeviceInfo& info = *itt2;
std::stringstream ss((std::string)info);
std::string line;
while(std::getline(ss, line, '\n'))
CLog::Log(LOGNOTICE, " %s", line.c_str());
}
}
}
void CActiveAESink::EnumerateOutputDevices(AEDeviceList &devices, bool passthrough)
{
EnumerateSinkList(false);
for (AESinkInfoList::iterator itt = m_sinkInfoList.begin(); itt != m_sinkInfoList.end(); ++itt)
{
AESinkInfo sinkInfo = *itt;
for (AEDeviceInfoList::iterator itt2 = sinkInfo.m_deviceInfoList.begin(); itt2 != sinkInfo.m_deviceInfoList.end(); ++itt2)
{
CAEDeviceInfo devInfo = *itt2;
if (passthrough && devInfo.m_deviceType == AE_DEVTYPE_PCM)
continue;
std::string device = sinkInfo.m_sinkName + ":" + devInfo.m_deviceName;
std::stringstream ss;
/* add the sink name if we have more then one sink type */
if (m_sinkInfoList.size() > 1)
ss << sinkInfo.m_sinkName << ": ";
ss << devInfo.m_displayName;
if (!devInfo.m_displayNameExtra.empty())
ss << ", " << devInfo.m_displayNameExtra;
devices.push_back(AEDevice(ss.str(), device));
}
}
}
std::string CActiveAESink::GetDefaultDevice(bool passthrough)
{
EnumerateSinkList(false);
for (AESinkInfoList::iterator itt = m_sinkInfoList.begin(); itt != m_sinkInfoList.end(); ++itt)
{
AESinkInfo sinkInfo = *itt;
for (AEDeviceInfoList::iterator itt2 = sinkInfo.m_deviceInfoList.begin(); itt2 != sinkInfo.m_deviceInfoList.end(); ++itt2)
{
CAEDeviceInfo devInfo = *itt2;
if (passthrough && devInfo.m_deviceType == AE_DEVTYPE_PCM)
continue;
std::string device = sinkInfo.m_sinkName + ":" + devInfo.m_deviceName;
return device;
}
}
return "default";
}
void CActiveAESink::GetDeviceFriendlyName(std::string &device)
{
m_deviceFriendlyName = "Device not found";
/* Match the device and find its friendly name */
for (AESinkInfoList::iterator itt = m_sinkInfoList.begin(); itt != m_sinkInfoList.end(); ++itt)
{
AESinkInfo sinkInfo = *itt;
for (AEDeviceInfoList::iterator itt2 = sinkInfo.m_deviceInfoList.begin(); itt2 != sinkInfo.m_deviceInfoList.end(); ++itt2)
{
CAEDeviceInfo& devInfo = *itt2;
if (devInfo.m_deviceName == device)
{
m_deviceFriendlyName = devInfo.m_displayName;
break;
}
}
}
return;
}
void CActiveAESink::OpenSink()
{
// we need a copy of m_device here because ParseDevice and CreateDevice write back
// into this variable
std::string device = m_device;
std::string driver;
bool passthrough = (m_requestedFormat.m_dataFormat == AE_FMT_RAW);
CAESinkFactory::ParseDevice(device, driver);
if (driver.empty() && m_sink)
driver = m_sink->GetName();
// iec packing or raw
if (passthrough)
{
m_needIecPack = NeedIECPacking();
if (m_needIecPack)
{
m_packer = new CAEBitstreamPacker();
m_requestedFormat.m_sampleRate = CAEBitstreamPacker::GetOutputRate(m_requestedFormat.m_streamInfo);
m_requestedFormat.m_channelLayout = CAEBitstreamPacker::GetOutputChannelMap(m_requestedFormat.m_streamInfo);
}
}
CLog::Log(LOGINFO, "CActiveAESink::OpenSink - initialize sink");
if (m_sink)
{
m_sink->Drain();
m_sink->Deinitialize();
delete m_sink;
m_sink = nullptr;
}
// get the display name of the device
GetDeviceFriendlyName(device);
// if we already have a driver, prepend it to the device string
if (!driver.empty())
device = driver + ":" + device;
// WARNING: this changes format and does not use passthrough
m_sinkFormat = m_requestedFormat;
CLog::Log(LOGDEBUG, "CActiveAESink::OpenSink - trying to open device %s", device.c_str());
m_sink = CAESinkFactory::Create(device, m_sinkFormat, passthrough);
// try first device in out list
if (!m_sink && !m_sinkInfoList.empty())
{
driver = m_sinkInfoList.front().m_sinkName;
device = m_sinkInfoList.front().m_deviceInfoList.front().m_deviceName;
GetDeviceFriendlyName(device);
if (!driver.empty())
device = driver + ":" + device;
m_sinkFormat = m_requestedFormat;
CLog::Log(LOGDEBUG, "CActiveAESink::OpenSink - trying to open device %s", device.c_str());
m_sink = CAESinkFactory::Create(device, m_sinkFormat, passthrough);
}
// open NULL sink
// TODO: should not be required by ActiveAE
if (!m_sink)
{
device = "NULL:NULL";
m_sinkFormat = m_requestedFormat;
CLog::Log(LOGDEBUG, "CActiveAESink::OpenSink - open NULL sink");
m_sink = CAESinkFactory::Create(device, m_sinkFormat, passthrough);
}
if (!m_sink)
{
CLog::Log(LOGERROR, "CActiveAESink::OpenSink - no sink was returned");
m_extError = true;
return;
}
m_sink->SetVolume(m_volume);
#ifdef WORDS_BIGENDIAN
if (m_sinkFormat.m_dataFormat == AE_FMT_S16BE)
m_sinkFormat.m_dataFormat = AE_FMT_S16NE;
else if (m_sinkFormat.m_dataFormat == AE_FMT_S32BE)
m_sinkFormat.m_dataFormat = AE_FMT_S32NE;
#else
if (m_sinkFormat.m_dataFormat == AE_FMT_S16LE)
m_sinkFormat.m_dataFormat = AE_FMT_S16NE;
else if (m_sinkFormat.m_dataFormat == AE_FMT_S32LE)
m_sinkFormat.m_dataFormat = AE_FMT_S32NE;
#endif
CLog::Log(LOGDEBUG, "CActiveAESink::OpenSink - %s Initialized:", m_sink->GetName());
CLog::Log(LOGDEBUG, " Output Device : %s", m_deviceFriendlyName.c_str());
CLog::Log(LOGDEBUG, " Sample Rate : %d", m_sinkFormat.m_sampleRate);
CLog::Log(LOGDEBUG, " Sample Format : %s", CAEUtil::DataFormatToStr(m_sinkFormat.m_dataFormat));
CLog::Log(LOGDEBUG, " Channel Count : %d", m_sinkFormat.m_channelLayout.Count());
CLog::Log(LOGDEBUG, " Channel Layout: %s", ((std::string)m_sinkFormat.m_channelLayout).c_str());
CLog::Log(LOGDEBUG, " Frames : %d", m_sinkFormat.m_frames);
CLog::Log(LOGDEBUG, " Frame Size : %d", m_sinkFormat.m_frameSize);
// init sample of silence
SampleConfig config;
config.fmt = CAEUtil::GetAVSampleFormat(m_sinkFormat.m_dataFormat);
config.bits_per_sample = CAEUtil::DataFormatToUsedBits(m_sinkFormat.m_dataFormat);
config.dither_bits = CAEUtil::DataFormatToDitherBits(m_sinkFormat.m_dataFormat);
config.channel_layout = CAEUtil::GetAVChannelLayout(m_sinkFormat.m_channelLayout);
config.channels = m_sinkFormat.m_channelLayout.Count();
config.sample_rate = m_sinkFormat.m_sampleRate;
// init sample of silence/noise
delete m_sampleOfSilence.pkt;
m_sampleOfSilence.pkt = new CSoundPacket(config, m_sinkFormat.m_frames);
m_sampleOfSilence.pkt->nb_samples = m_sampleOfSilence.pkt->max_nb_samples;
if (!passthrough)
GenerateNoise();
m_swapState = CHECK_SWAP;
}
void CActiveAESink::ReturnBuffers()
{
Message *msg = nullptr;
CSampleBuffer *samples;
while (m_dataPort.ReceiveOutMessage(&msg))
{
if (msg->signal == CSinkDataProtocol::SAMPLE)
{
samples = *((CSampleBuffer**)msg->data);
msg->Reply(CSinkDataProtocol::RETURNSAMPLE, &samples, sizeof(CSampleBuffer*));
}
}
}
unsigned int CActiveAESink::OutputSamples(CSampleBuffer* samples)
{
uint8_t **buffer = samples->pkt->data;
uint8_t *packBuffer;
unsigned int frames = samples->pkt->nb_samples;
unsigned int totalFrames = frames;
unsigned int maxFrames;
int retry = 0;
unsigned int written = 0;
if (m_requestedFormat.m_dataFormat == AE_FMT_RAW && m_needIecPack && samples->pool)
{
if (m_sinkFormat.m_streamInfo.m_type == CAEStreamInfo::STREAM_TYPE_TRUEHD)
{
int offset;
int len;
m_packer->GetBuffer();
for (int i=0; i<24; i++)
{
offset = i*2560;
len = (*(buffer[0] + offset+2560-2) << 8) + *(buffer[0] + offset+2560-1);
m_packer->Pack(m_sinkFormat.m_streamInfo, buffer[0] + offset, len);
}
}
else
m_packer->Pack(m_sinkFormat.m_streamInfo, buffer[0], frames);
unsigned int size = m_packer->GetSize();
packBuffer = m_packer->GetBuffer();
buffer = &packBuffer;
totalFrames = size / m_sinkFormat.m_frameSize;
frames = totalFrames;
switch(m_swapState)
{
case SKIP_SWAP:
break;
case NEED_BYTESWAP:
Endian_Swap16_buf((uint16_t *)buffer[0], (uint16_t *)buffer[0], size / 2);
break;
case CHECK_SWAP:
SwapInit(samples);
if (m_swapState == NEED_BYTESWAP)
Endian_Swap16_buf((uint16_t *)buffer[0], (uint16_t *)buffer[0], size / 2);
break;
default:
break;
}
}
AEDelayStatus status;
int framesOrPackets;
while(frames > 0)
{
maxFrames = std::min(frames, m_sinkFormat.m_frames);
written = m_sink->AddPackets(buffer, maxFrames, totalFrames - frames);
if (written == 0)
{
Sleep(500*m_sinkFormat.m_frames/m_sinkFormat.m_sampleRate);
retry++;
if (retry > 4)
{
m_extError = true;
CLog::Log(LOGERROR, "CActiveAESink::OutputSamples - failed");
status.SetDelay(0);
framesOrPackets = frames;
if (m_requestedFormat.m_dataFormat == AE_FMT_RAW)
framesOrPackets = 1;
m_stats->UpdateSinkDelay(status, samples->pool ? framesOrPackets : 0);
return 0;
}
else
continue;
}
else if (written > maxFrames)
{
m_extError = true;
CLog::Log(LOGERROR, "CActiveAESink::OutputSamples - sink returned error");
status.SetDelay(0);
framesOrPackets = frames;
if (m_requestedFormat.m_dataFormat == AE_FMT_RAW)
framesOrPackets = 1;
m_stats->UpdateSinkDelay(status, samples->pool ? framesOrPackets : 0);
return 0;
}
frames -= written;
m_sink->GetDelay(status);
if (m_requestedFormat.m_dataFormat != AE_FMT_RAW)
m_stats->UpdateSinkDelay(status, samples->pool ? written : 0);
}
if (m_requestedFormat.m_dataFormat == AE_FMT_RAW && samples->pool)
m_stats->UpdateSinkDelay(status, 1);
return status.delay * 1000;
}
void CActiveAESink::SwapInit(CSampleBuffer* samples)
{
if ((m_requestedFormat.m_dataFormat == AE_FMT_RAW) && CAEUtil::S16NeedsByteSwap(AE_FMT_S16NE, m_sinkFormat.m_dataFormat))
{
m_swapState = NEED_BYTESWAP;
}
else
m_swapState = SKIP_SWAP;
}
#define PI 3.1415926536f
void CActiveAESink::GenerateNoise()
{
int nb_floats = m_sampleOfSilence.pkt->max_nb_samples;
nb_floats *= m_sampleOfSilence.pkt->config.channels;