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git-svn-id: svn://elaine/murooma/trunk@202 d8a302eb-03bc-478d-80e4-98257eca68ef
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(no author) 2014-08-21 21:17:25 +00:00
parent 7691f6f67a
commit f521230f41
3 changed files with 41 additions and 28 deletions
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46
client/stream.cpp
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@ -25,6 +25,13 @@ void Stream::setBufferLen(size_t bufferLenMs)
void Stream::clearChunks()
{
while (chunks.size() > 0)
chunks.pop();
}
void Stream::addChunk(Chunk* chunk)
{
while (chunks.size() * chunk->getDuration() > 10000)
@ -35,9 +42,13 @@ void Stream::addChunk(Chunk* chunk)
void Stream::getSilentPlayerChunk(void* outputBuffer, unsigned long framesPerBuffer)
time_point_ms Stream::getSilentPlayerChunk(void* outputBuffer, unsigned long framesPerBuffer)
{
memset(outputBuffer, 0, framesPerBuffer * channels_ * bytesPerSample_);//CHANNELS);
if (!chunk)
chunk = chunks.pop();
time_point_ms tp = chunk->timePoint();
memset(outputBuffer, 0, framesPerBuffer * frameSize_);
return tp;
}
@ -112,8 +123,8 @@ void Stream::resetBuffers()
void Stream::getPlayerChunk(void* outputBuffer, double outputBufferDacTime, unsigned long framesPerBuffer)
{
//cout << "framesPerBuffer: " << framesPerBuffer << "\tms: " << framesPerBuffer*2 / PLAYER_CHUNK_MS_SIZE << "\t" << PLAYER_CHUNK_SIZE << "\n";
int msBuffer = floor(framesPerBuffer*2 / (hz_*channels_/1000));
int msBuffer = floor(framesPerBuffer / (hz_/1000));
//cout << msBuffer << " ms, " << framesPerBuffer << "\n";
int ticks = 0;
long currentTick = getTickCount();
if (lastTick == 0)
@ -126,35 +137,30 @@ void Stream::getPlayerChunk(void* outputBuffer, double outputBufferDacTime, unsi
pCardBuffer->add(ticks);
if (pCardBuffer->full())
cardBuffer = pCardBuffer->percentil(90);
int correction = 0;
if (sleep != 0)
{
std::clog << kLogNotice << "sleep: " << sleep << std::endl;
resetBuffers();
if (sleep < -10)
if (sleep < -20)
{
// std::cerr << "Sleep: " << sleep << "\n";
sleep += msBuffer;
sleep = Chunk::getAge(getSilentPlayerChunk(outputBuffer, framesPerBuffer)) - bufferMs + latencyMs;
std::cerr << "Sleep: " << sleep << ", chunks: " << chunks.size() << "\n";
// std::clog << kLogNotice << "sleep: " << sleep << std::endl;
if (sleep > -msBuffer/2)
sleep = 0;
getSilentPlayerChunk(outputBuffer, framesPerBuffer);
return;
}
else if (sleep > 10)
else if (sleep > 20)
{
// for (size_t i=0; i<chunks.size(); ++i)
// std::cerr << "Chunk " << i << ": " << chunks[i]->getAge() - bufferMs << "\n";
while (true)// (int i=0; i<(int)(round((float)sleep / (float)PLAYER_CHUNK_MS)) + 1; ++i)
// std::clog << kLogNotice << "sleep: " << sleep << std::endl;
while (true)
{
int age = Chunk::getAge(getNextPlayerChunk(outputBuffer, framesPerBuffer)) - bufferMs + latencyMs;
usleep(100);
// std::clog << kLogNotice << "age: " << age << std::endl;
if (age < 0)
break;
// sleep -= msBuffer;
// age += 4*cardBuffer;
// cout << "age: " << age << ", msBuffer: " << msBuffer << "\n";
// if (sleep < msBuffer / 2)
// break;
}
sleep = 0;
return;
@ -199,7 +205,7 @@ void Stream::getPlayerChunk(void* outputBuffer, double outputBufferDacTime, unsi
}
else if (pMiniBuffer->full() && (abs(pMiniBuffer->median()) > 50))
{
// cout << "pMiniBuffer->full() && (abs(pMiniBuffer->mean()) > 50): " << pMiniBuffer->median() << "\n";
cout << "pMiniBuffer->full() && (abs(pMiniBuffer->mean()) > 50): " << pMiniBuffer->median() << "\n";
sleep = pMiniBuffer->mean();
}
}