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Diffstat (limited to '')
-rw-r--r-- | src/Timer.cxx | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/src/Timer.cxx b/src/Timer.cxx deleted file mode 100644 index 661aa29ee..000000000 --- a/src/Timer.cxx +++ /dev/null @@ -1,82 +0,0 @@ -/* - * Copyright (C) 2003-2013 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" -#include "Timer.hxx" -#include "AudioFormat.hxx" -#include "system/Clock.hxx" - -#include <glib.h> - -#include <limits> - -#include <assert.h> -#include <limits.h> -#include <stddef.h> - -Timer::Timer(const AudioFormat af) - : time(0), - started(false), - rate(af.sample_rate * af.GetFrameSize()) -{ -} - -void Timer::Start() -{ - time = MonotonicClockUS(); - started = true; -} - -void Timer::Reset() -{ - time = 0; - started = false; -} - -void Timer::Add(int size) -{ - assert(started); - - // (size samples) / (rate samples per second) = duration seconds - // duration seconds * 1000000 = duration us - time += ((uint64_t)size * 1000000) / rate; -} - -unsigned Timer::GetDelay() const -{ - int64_t delay = (int64_t)(time - MonotonicClockUS()) / 1000; - if (delay < 0) - return 0; - - if (delay > std::numeric_limits<int>::max()) - delay = std::numeric_limits<int>::max(); - - return delay; -} - -void Timer::Synchronize() const -{ - int64_t sleep_duration; - - assert(started); - - sleep_duration = time - MonotonicClockUS(); - if (sleep_duration > 0) - g_usleep(sleep_duration); -} |