git-svn-id: svn://elaine/murooma/trunk@22 d8a302eb-03bc-478d-80e4-98257eca68ef
This commit is contained in:
(no author) 2014-06-27 19:03:42 +00:00
parent 2aacd08008
commit c0cae09478

View file

@ -17,7 +17,7 @@
#include <mutex>
#include <condition_variable>
const size_t ms(50);
const size_t ms(20);
//44100 / 20 = 2205
const size_t size(44100*4*ms/1000);
int bufferMs;
@ -85,7 +85,7 @@ void player()
if (chunks.empty())
cv.wait(lck);
mutex.lock();
std::cerr << "Chunks: " << chunks.size() << "\n";
// std::cerr << "Chunks: " << chunks.size() << "\n";
Chunk* chunk = chunks.front();
chunks.pop_front();
mutex.unlock();
@ -95,14 +95,15 @@ void player()
if (playing)
{
int age = getAge(*chunk) - bufferMs;
if (age < 0)
if (age < 10)
{
while (age < 0)
if (age < 0)
{
usleep((-age) * 1000/ 2);
usleep((-age) * 1000 - 100);
age = getAge(*chunk) - bufferMs;
}
std::cerr << "Playing: " << getAge(*chunk) << "\n";
if (abs(age) > 10)
std::cerr << "Buffer out of sync: " << age << "\n";
for (size_t n=0; n<size; ++n)
{
@ -112,6 +113,8 @@ void player()
}
std::cout << std::flush;
}
else
std::cerr << "Dropping Chunk, age: " << age << "\n";
}
delete chunk;
}
@ -130,6 +133,11 @@ int main (int argc, char *argv[])
const char* filter = "";
subscriber.setsockopt(ZMQ_SUBSCRIBE, filter, strlen(filter));
std::thread playerThread(player);
struct sched_param params;
params.sched_priority = sched_get_priority_max(SCHED_FIFO);
int ret = pthread_setschedparam(playerThread.native_handle(), SCHED_FIFO, &params);
if (ret != 0)
std::cerr << "Unsuccessful in setting thread realtime prio" << std::endl;
while (1)
{
@ -139,15 +147,7 @@ int main (int argc, char *argv[])
memcpy(chunk, update.data(), sizeof(Chunk));
timeval now;
gettimeofday(&now, NULL);
std::cerr << "New chunk: " << chunkTime(*chunk) << "\t" << timeToStr(now) << "\t" << getAge(*chunk) << "\n";
/* timeDiffs.push_back(diff_ms(now, ts));
if (timeDiffs.size() > 100)
timeDiffs.pop_front();
std::vector<int> v(timeDiffs.begin(), timeDiffs.end());
std::sort(v.begin(), v.end());
std::cerr << "Median: " << v[v.size()/2] << "\n";
*/
// std::cerr << "New chunk: " << chunkTime(*chunk) << "\t" << timeToStr(now) << "\t" << getAge(*chunk) << "\n";
mutex.lock();
chunks.push_back(chunk);