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-rw-r--r--Makefile.am6
-rw-r--r--src/Timer.cxx (renamed from src/timer.c)47
-rw-r--r--src/Timer.hxx (renamed from src/timer.h)44
-rw-r--r--src/clock.h8
-rw-r--r--src/output/FifoOutputPlugin.cxx20
-rw-r--r--src/output/HttpdInternal.hxx6
-rw-r--r--src/output/HttpdOutputPlugin.cxx16
-rw-r--r--src/output/NullOutputPlugin.cxx22
8 files changed, 79 insertions, 90 deletions
diff --git a/Makefile.am b/Makefile.am
index 695b43a5e..a8d077bdd 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -94,7 +94,7 @@ mpd_headers = \
src/tag_ape.h \
src/tag_id3.h \
src/tag_rva2.h \
- src/timer.h \
+ src/Timer.hxx \
src/mpd_error.h
src_mpd_SOURCES = \
@@ -243,7 +243,7 @@ src_mpd_SOURCES = \
src/SongFilter.cxx src/SongFilter.hxx \
src/SongPointer.hxx \
src/PlaylistFile.cxx src/PlaylistFile.hxx \
- src/timer.c
+ src/Timer.cxx
#
# Windows resource file
@@ -1299,7 +1299,7 @@ test_run_output_SOURCES = test/run_output.cxx \
src/audio_check.c \
src/audio_format.c \
src/AudioParser.cxx \
- src/timer.c src/clock.c \
+ src/Timer.cxx src/clock.c \
src/Tag.cxx src/TagNames.c src/TagPool.cxx \
src/Page.cxx \
src/SocketUtil.cxx \
diff --git a/src/timer.c b/src/Timer.cxx
index 9a3228465..7ddbda3da 100644
--- a/src/timer.c
+++ b/src/Timer.cxx
@@ -18,7 +18,7 @@
*/
#include "config.h"
-#include "timer.h"
+#include "Timer.hxx"
#include "audio_format.h"
#include "clock.h"
@@ -28,46 +28,37 @@
#include <limits.h>
#include <stddef.h>
-struct timer *timer_new(const struct audio_format *af)
+Timer::Timer(const struct audio_format &af)
+ : time(0),
+ started(false),
+ rate(af.sample_rate * audio_format_frame_size(&af))
{
- struct timer *timer = g_new(struct timer, 1);
- timer->time = 0; // us
- timer->started = 0; // false
- timer->rate = af->sample_rate * audio_format_frame_size(af); // samples per second
-
- return timer;
-}
-
-void timer_free(struct timer *timer)
-{
- g_free(timer);
}
-void timer_start(struct timer *timer)
+void Timer::Start()
{
- timer->time = monotonic_clock_us();
- timer->started = 1;
+ time = monotonic_clock_us();
+ started = true;
}
-void timer_reset(struct timer *timer)
+void Timer::Reset()
{
- timer->time = 0;
- timer->started = 0;
+ time = 0;
+ started = false;
}
-void timer_add(struct timer *timer, int size)
+void Timer::Add(int size)
{
- assert(timer->started);
+ assert(started);
// (size samples) / (rate samples per second) = duration seconds
// duration seconds * 1000000 = duration us
- timer->time += ((uint64_t)size * 1000000) / timer->rate;
+ time += ((uint64_t)size * 1000000) / rate;
}
-unsigned
-timer_delay(const struct timer *timer)
+unsigned Timer::GetDelay() const
{
- int64_t delay = (int64_t)(timer->time - monotonic_clock_us()) / 1000;
+ int64_t delay = (int64_t)(time - monotonic_clock_us()) / 1000;
if (delay < 0)
return 0;
@@ -77,13 +68,13 @@ timer_delay(const struct timer *timer)
return delay;
}
-void timer_sync(struct timer *timer)
+void Timer::Synchronize() const
{
int64_t sleep_duration;
- assert(timer->started);
+ assert(started);
- sleep_duration = timer->time - monotonic_clock_us();
+ sleep_duration = time - monotonic_clock_us();
if (sleep_duration > 0)
g_usleep(sleep_duration);
}
diff --git a/src/timer.h b/src/Timer.hxx
index 1506c9173..96446a988 100644
--- a/src/timer.h
+++ b/src/Timer.hxx
@@ -17,43 +17,33 @@
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#ifndef MPD_TIMER_H
-#define MPD_TIMER_H
+#ifndef MPD_TIMER_HXX
+#define MPD_TIMER_HXX
#include <stdint.h>
struct audio_format;
-struct timer {
+class Timer {
uint64_t time;
- int started;
- int rate;
-};
-
-#ifdef __cplusplus
-extern "C" {
-#endif
+ bool started;
+ const int rate;
+public:
+ explicit Timer(const struct audio_format& af);
-struct timer *timer_new(const struct audio_format *af);
+ bool IsStarted() const { return started; }
-void timer_free(struct timer *timer);
+ void Start();
+ void Reset();
-void timer_start(struct timer *timer);
+ void Add(int size);
-void timer_reset(struct timer *timer);
+ /**
+ * Returns the number of milliseconds to sleep to get back to sync.
+ */
+ unsigned GetDelay() const;
-void timer_add(struct timer *timer, int size);
-
-/**
- * Returns the number of milliseconds to sleep to get back to sync.
- */
-unsigned
-timer_delay(const struct timer *timer);
-
-void timer_sync(struct timer *timer);
-
-#ifdef __cplusplus
-}
-#endif
+ void Synchronize() const;
+};
#endif
diff --git a/src/clock.h b/src/clock.h
index f1338938f..c98b9a652 100644
--- a/src/clock.h
+++ b/src/clock.h
@@ -24,6 +24,10 @@
#include <stdint.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+
/**
* Returns the value of a monotonic clock in milliseconds.
*/
@@ -38,4 +42,8 @@ gcc_pure
uint64_t
monotonic_clock_us(void);
+#ifdef __cplusplus
+}
+#endif
+
#endif
diff --git a/src/output/FifoOutputPlugin.cxx b/src/output/FifoOutputPlugin.cxx
index ebebc254f..15b107c45 100644
--- a/src/output/FifoOutputPlugin.cxx
+++ b/src/output/FifoOutputPlugin.cxx
@@ -20,7 +20,7 @@
#include "config.h"
#include "FifoOutputPlugin.hxx"
#include "output_api.h"
-#include "timer.h"
+#include "Timer.hxx"
#include "fd_util.h"
#include "open.h"
@@ -44,7 +44,7 @@ struct FifoOutput {
int input;
int output;
bool created;
- struct timer *timer;
+ Timer *timer;
FifoOutput()
:path(nullptr), input(-1), output(-1), created(false) {}
@@ -232,7 +232,7 @@ fifo_output_open(struct audio_output *ao, struct audio_format *audio_format,
{
FifoOutput *fd = (FifoOutput *)ao;
- fd->timer = timer_new(audio_format);
+ fd->timer = new Timer(*audio_format);
return true;
}
@@ -242,7 +242,7 @@ fifo_output_close(struct audio_output *ao)
{
FifoOutput *fd = (FifoOutput *)ao;
- timer_free(fd->timer);
+ delete fd->timer;
}
static void
@@ -252,7 +252,7 @@ fifo_output_cancel(struct audio_output *ao)
char buf[FIFO_BUFFER_SIZE];
int bytes = 1;
- timer_reset(fd->timer);
+ fd->timer->Reset();
while (bytes > 0 && errno != EINTR)
bytes = read(fd->input, buf, FIFO_BUFFER_SIZE);
@@ -268,8 +268,8 @@ fifo_output_delay(struct audio_output *ao)
{
FifoOutput *fd = (FifoOutput *)ao;
- return fd->timer->started
- ? timer_delay(fd->timer)
+ return fd->timer->IsStarted()
+ ? fd->timer->GetDelay()
: 0;
}
@@ -280,9 +280,9 @@ fifo_output_play(struct audio_output *ao, const void *chunk, size_t size,
FifoOutput *fd = (FifoOutput *)ao;
ssize_t bytes;
- if (!fd->timer->started)
- timer_start(fd->timer);
- timer_add(fd->timer, size);
+ if (!fd->timer->IsStarted())
+ fd->timer->Start();
+ fd->timer->Add(size);
while (true) {
bytes = write(fd->output, chunk, size);
diff --git a/src/output/HttpdInternal.hxx b/src/output/HttpdInternal.hxx
index e79b9a224..b79a22905 100644
--- a/src/output/HttpdInternal.hxx
+++ b/src/output/HttpdInternal.hxx
@@ -26,7 +26,7 @@
#define MPD_OUTPUT_HTTPD_INTERNAL_H
#include "OutputInternal.hxx"
-#include "timer.h"
+#include "Timer.hxx"
#include "thread/Mutex.hxx"
#include "event/ServerSocket.hxx"
@@ -72,10 +72,10 @@ struct HttpdOutput final : private ServerSocket {
mutable Mutex mutex;
/**
- * A #timer object to synchronize this output with the
+ * A #Timer object to synchronize this output with the
* wallclock.
*/
- struct timer *timer;
+ Timer *timer;
/**
* The header page, which is sent to every client on connect.
diff --git a/src/output/HttpdOutputPlugin.cxx b/src/output/HttpdOutputPlugin.cxx
index bb644c318..2c4884827 100644
--- a/src/output/HttpdOutputPlugin.cxx
+++ b/src/output/HttpdOutputPlugin.cxx
@@ -320,7 +320,7 @@ HttpdOutput::Open(struct audio_format *audio_format, GError **error_r)
/* initialize other attributes */
clients_cnt = 0;
- timer = timer_new(audio_format);
+ timer = new Timer(*audio_format);
open = true;
@@ -346,7 +346,7 @@ HttpdOutput::Close()
open = false;
- timer_free(timer);
+ delete timer;
clients.clear();
@@ -398,7 +398,7 @@ httpd_output_delay(struct audio_output *ao)
then httpd_output_pause() will not do anything, it
will not fill the buffer and it will not update the
timer; therefore, we reset the timer here */
- timer_reset(httpd->timer);
+ httpd->timer->Reset();
/* some arbitrary delay that is long enough to avoid
consuming too much CPU, and short enough to notice
@@ -406,8 +406,8 @@ httpd_output_delay(struct audio_output *ao)
return 1000;
}
- return httpd->timer->started
- ? timer_delay(httpd->timer)
+ return httpd->timer->IsStarted()
+ ? httpd->timer->GetDelay()
: 0;
}
@@ -463,9 +463,9 @@ httpd_output_play(struct audio_output *ao, const void *chunk, size_t size,
return 0;
}
- if (!httpd->timer->started)
- timer_start(httpd->timer);
- timer_add(httpd->timer, size);
+ if (!httpd->timer->IsStarted())
+ httpd->timer->Start();
+ httpd->timer->Add(size);
return size;
}
diff --git a/src/output/NullOutputPlugin.cxx b/src/output/NullOutputPlugin.cxx
index bbcf26c00..b167032b6 100644
--- a/src/output/NullOutputPlugin.cxx
+++ b/src/output/NullOutputPlugin.cxx
@@ -20,7 +20,7 @@
#include "config.h"
#include "NullOutputPlugin.hxx"
#include "output_api.h"
-#include "timer.h"
+#include "Timer.hxx"
#include <assert.h>
@@ -29,7 +29,7 @@ struct NullOutput {
bool sync;
- struct timer *timer;
+ Timer *timer;
bool Initialize(const config_param *param, GError **error_r) {
return ao_base_init(&base, &null_output_plugin, param,
@@ -72,7 +72,7 @@ null_open(struct audio_output *ao, struct audio_format *audio_format,
NullOutput *nd = (NullOutput *)ao;
if (nd->sync)
- nd->timer = timer_new(audio_format);
+ nd->timer = new Timer(*audio_format);
return true;
}
@@ -83,7 +83,7 @@ null_close(struct audio_output *ao)
NullOutput *nd = (NullOutput *)ao;
if (nd->sync)
- timer_free(nd->timer);
+ delete nd->timer;
}
static unsigned
@@ -91,8 +91,8 @@ null_delay(struct audio_output *ao)
{
NullOutput *nd = (NullOutput *)ao;
- return nd->sync && nd->timer->started
- ? timer_delay(nd->timer)
+ return nd->sync && nd->timer->IsStarted()
+ ? nd->timer->GetDelay()
: 0;
}
@@ -101,14 +101,14 @@ null_play(struct audio_output *ao, gcc_unused const void *chunk, size_t size,
gcc_unused GError **error)
{
NullOutput *nd = (NullOutput *)ao;
- struct timer *timer = nd->timer;
+ Timer *timer = nd->timer;
if (!nd->sync)
return size;
- if (!timer->started)
- timer_start(timer);
- timer_add(timer, size);
+ if (!timer->IsStarted())
+ timer->Start();
+ timer->Add(size);
return size;
}
@@ -121,7 +121,7 @@ null_cancel(struct audio_output *ao)
if (!nd->sync)
return;
- timer_reset(nd->timer);
+ nd->timer->Reset();
}
const struct audio_output_plugin null_output_plugin = {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 02:09:21 +0000