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buffering

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git-svn-id: svn://elaine/murooma/trunk@49 d8a302eb-03bc-478d-80e4-98257eca68ef
This commit is contained in:
(no author) 2014-06-30 16:26:41 +00:00
parent 36337a1c66
commit 17f7c993ff
2 changed files with 18 additions and 5 deletions
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21
client.cpp
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@ -118,6 +118,9 @@ void sleepMs(int ms)
}
int skip(0);
/* This routine will be called by the PortAudio engine when audio is needed.
** It may called at interrupt level on some machines so don't do anything
** that could mess up the system like calling malloc() or free().
@ -155,10 +158,19 @@ static int patestCallback( const void *inputBuffer, void *outputBuffer,
int shortMedian = shortBuffer.median();
std::cerr << "age: " << getAge(*chunk) << "\t" << age << "\t" << shortMedian << "\t" << median << "\t" << buffer.size() << "\t" << timeInfo->outputBufferDacTime*1000 << "\n";
bool skip = (age > 500) || (shortBuffer.full() && (shortMedian > 100)) || (buffer.full() && (median > 20));
bool silence = (age < -500) || (shortBuffer.full() && (shortMedian < -100)) || (buffer.full() && (median < -20));
if (skip)
if (skip == 0)
{
if ((age > 500) || (age < -500))
skip = age / PLAYER_CHUNK_MS;
else if (shortBuffer.full() && ((shortMedian > 100) || (shortMedian < -100)))
skip = shortMedian / PLAYER_CHUNK_MS;
else if (buffer.full() && ((median > 15) || (median < -15)))
skip = median / PLAYER_CHUNK_MS;
}
// bool silence = (age < -500) || (shortBuffer.full() && (shortMedian < -100)) || (buffer.full() && (median < -15));
if (skip > 0)
{
skip--;
chunks->pop_front();
delete chunk;
std::cerr << "packe too old, dropping\n";
@ -166,8 +178,9 @@ static int patestCallback( const void *inputBuffer, void *outputBuffer,
shortBuffer.clear();
usleep(100);
}
else if (silence)
else if (skip < 0)
{
skip++;
chunk = new PlayerChunk();
memset(&(chunk->payload[0]), 0, PLAYER_CHUNK_SIZE);
// std::cerr << "age < bufferMs (" << age << " < " << bufferMs << "), playing silence\n";