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buffering

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git-svn-id: svn://elaine/murooma/trunk@33 d8a302eb-03bc-478d-80e4-98257eca68ef
This commit is contained in:
(no author) 2014-06-28 21:39:16 +00:00
parent 5f01c5b99e
commit fcf5250a47
2 changed files with 16 additions and 9 deletions
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23
client.cpp
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@ -163,7 +163,7 @@ static int patestCallback( const void *inputBuffer, void *outputBuffer,
PaStreamCallbackFlags statusFlags,
void *userData )
{
std::cerr << "outputBufferDacTime: " << timeInfo->outputBufferDacTime*1000 << "\n";
// std::cerr << "outputBufferDacTime: " << timeInfo->outputBufferDacTime*1000 << "\n";
std::deque<Chunk*>* chunks = (std::deque<Chunk*>*)userData;
short* out = (short*)outputBuffer;
unsigned long i;
@ -181,23 +181,30 @@ static int patestCallback( const void *inputBuffer, void *outputBuffer,
cv.wait(lck);
mutex.lock();
chunk = chunks->front();
std::cerr << "Chunks: " << chunks->size() << "\n";
chunks->pop_front();
// std::cerr << "Chunks: " << chunks->size() << "\n";
mutex.unlock();
age = getAge(*chunk) + timeInfo->outputBufferDacTime*1000;
std::cerr << "age: " << getAge(*chunk) << "\t" << age << "\n";
if (age > bufferMs + 150)
std::cerr << "age: " << getAge(*chunk) << "\t" << age << "\t" << timeInfo->outputBufferDacTime*1000 << "\n";
if (age > bufferMs + 2*MS)
{
chunks->pop_front();
delete chunk;
std::cerr << "packe too old, dropping\n";
usleep(100);
}
else if (age < bufferMs)
else if (age < bufferMs - 2*MS)
{
usleep(((bufferMs - age) + 100) * 1000);
chunk = new Chunk();
memset(&(chunk->payload[0]), 0, SIZE);
std::cerr << "age < bufferMs (" << age << " < " << bufferMs << "), playing silence\n";
usleep(10 * 1000);
break;
}
else
else
{
chunks->pop_front();
break;
}
}
for( i=0; i<framesPerBuffer; i++)