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buffering

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git-svn-id: svn://elaine/murooma/trunk@35 d8a302eb-03bc-478d-80e4-98257eca68ef
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(no author) 2014-06-29 11:21:04 +00:00
parent 07d2ef5794
commit 4d99cfd70c
2 changed files with 37 additions and 6 deletions
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20
client.cpp
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@ -21,7 +21,7 @@
#include "doubleBuffer.h"
DoubleBuffer<int> buffer(5000 / MS);
DoubleBuffer<int> buffer(60000 / MS);
std::deque<Chunk*> chunks;
std::deque<int> timeDiffs;
std::mutex mtx;
@ -187,7 +187,7 @@ static int patestCallback( const void *inputBuffer, void *outputBuffer,
mutex.unlock();
age = getAge(*chunk) + timeInfo->outputBufferDacTime*1000;
int median = buffer.median();
std::cerr << "age: " << getAge(*chunk) << "\t" << age << "\t" << median << "\t" << timeInfo->outputBufferDacTime*1000 << "\n";
std::cerr << "age: " << getAge(*chunk) << "\t" << age << "\t" << median << "\t" << buffer.size() << "\t" << timeInfo->outputBufferDacTime*1000 << "\n";
if (age > bufferMs + 2*MS)
{
@ -204,6 +204,22 @@ static int patestCallback( const void *inputBuffer, void *outputBuffer,
usleep(10 * 1000);
break;
}
else if (buffer.full() && (median > bufferMs + MS))
{
std::cerr << "median > bufferMs + MS (" << median << " > " << bufferMs + MS << "), dropping chunk\n";
buffer.clear();
chunks->pop_front();
delete chunk;
}
else if (buffer.full() && (median + MS < bufferMs))
{
std::cerr << "median + MS < bufferMs (" << median + MS << " < " << bufferMs << "), playing silence\n";
buffer.clear();
chunk = new Chunk();
memset(&(chunk->payload[0]), 0, SIZE);
usleep(10 * 1000);
break;
}
else
{
buffer.add(age);