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269 lines
8.4 KiB
269 lines
8.4 KiB
diff -ur jack-audio-connection-kit-0.100.7/config/os/generic/time.h jack/config/os/generic/time.h
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--- jack-audio-connection-kit-0.100.7/config/os/generic/time.h 2004-04-07 07:52:58.000000000 +0300
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+++ jack/config/os/generic/time.h 2005-12-06 12:24:03.000000000 +0200
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@@ -1,5 +1,6 @@
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/*
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Copyright (C) 2001-2004 Paul Davis, Tilman Linneweh
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+ Copyright (C) 2005 Jussi Laako
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Generic version, overridden by OS-specific definition when needed.
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@@ -23,48 +24,24 @@
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#define __jack_time_h__
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#include <stdio.h>
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+#include <sys/time.h>
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#include <jack/internal.h>
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-#include <sysdeps/cycles.h>
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-
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-/* This is a kludge. We need one global instantiation of this
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- * variable in each address space. So, libjack/client.c declares the
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- * actual storage. Other source files will see it as an extern. */
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-#define JACK_TIME_GLOBAL_DECL jack_time_t __jack_cpu_mhz
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-extern JACK_TIME_GLOBAL_DECL;
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static inline jack_time_t
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jack_get_microseconds (void) {
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- return get_cycles() / __jack_cpu_mhz;
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-}
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+ jack_time_t jackTime;
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+ struct timeval time;
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-/* This function is inspired by similar code in MPLayer.
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- * It should be quite portable
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- */
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-static inline jack_time_t
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-jack_get_mhz (void)
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-{
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- jack_time_t tsc_start, tsc_end;
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- struct timeval tv_start, tv_end;
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- long usec_delay;
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- jack_time_t mhz;
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-
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- tsc_start = get_cycles();
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- gettimeofday(&tv_start, NULL);
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- usleep(100000);
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- tsc_end = get_cycles();
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- gettimeofday(&tv_end, NULL);
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-
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- usec_delay = 1000000 * (tv_end.tv_sec - tv_start.tv_sec)
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- + (tv_end.tv_usec - tv_start.tv_usec);
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- mhz = (tsc_end - tsc_start) / usec_delay;
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- return mhz;
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+ gettimeofday(&time, NULL);
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+ jackTime = (jack_time_t) time.tv_sec * 1e6 +
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+ (jack_time_t) time.tv_usec;
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+ return jackTime;
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}
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/* This should only be called ONCE per process. */
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static inline void
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jack_init_time ()
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{
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- __jack_cpu_mhz = jack_get_mhz ();
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}
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#endif /* __jack_time_h__ */
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diff -ur jack-audio-connection-kit-0.100.7/config/os/gnu-linux/time.h jack/config/os/gnu-linux/time.h
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--- jack-audio-connection-kit-0.100.7/config/os/gnu-linux/time.h 2004-03-25 21:31:44.000000000 +0200
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+++ jack/config/os/gnu-linux/time.h 2005-12-06 16:30:20.000000000 +0200
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@@ -1,5 +1,6 @@
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/*
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Copyright (C) 2001-2003 Paul Davis
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+ Copyright (C) 2005 Jussi Laako
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This is the GNU/Linux version.
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@@ -23,18 +24,35 @@
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#define __jack_time_h__
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#include <stdio.h>
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+#include <time.h>
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+#include <sys/time.h>
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#include <jack/internal.h>
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#include <sysdeps/cycles.h>
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-/* This is a kludge. We need one global instantiation of this
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- * variable in each address space. So, libjack/client.c declares the
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- * actual storage. Other source files will see it as an extern. */
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+/* This is a kludge. We need one global instantiation of these
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+ * variables in each address space. So, libjack/client.c declares the
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+ * actual storage. Other source files will see those as an externs. */
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#define JACK_TIME_GLOBAL_DECL jack_time_t __jack_cpu_mhz
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+#define JACK_TIME_SOURCE_DECL int __jack_clock_source
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+#define JACK_TIME_FUNC_DECL jack_time_t (*jack_get_microseconds) (void)
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extern JACK_TIME_GLOBAL_DECL;
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+extern JACK_TIME_SOURCE_DECL;
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+extern JACK_TIME_FUNC_DECL;
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-static inline jack_time_t
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-jack_get_microseconds (void) {
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- return get_cycles() / __jack_cpu_mhz;
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+static jack_time_t
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+jack_get_microseconds0 (void) {
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+ jack_time_t jackTime;
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+ struct timespec time;
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+
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+ clock_gettime(CLOCK_MONOTONIC, &time);
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+ jackTime = (jack_time_t) time.tv_sec * 1e6 +
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+ (jack_time_t) time.tv_nsec / 1e3;
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+ return jackTime;
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+}
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+
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+static jack_time_t
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+jack_get_microseconds1 (void) {
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+ return get_cycles() / __jack_cpu_mhz;
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}
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/*
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@@ -94,4 +112,21 @@
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__jack_cpu_mhz = jack_get_mhz ();
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}
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+/* Set time function. */
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+static inline void
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+jack_set_clock_source (int clocksrc)
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+{
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+ __jack_clock_source = clocksrc;
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+ switch (__jack_clock_source)
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+ {
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+ case 1:
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+ jack_get_microseconds = jack_get_microseconds1;
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+ break;
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+ case 0:
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+ default:
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+ jack_get_microseconds = jack_get_microseconds0;
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+ break;
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+ }
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+}
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+
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#endif /* __jack_time_h__ */
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diff -ur jack-audio-connection-kit-0.100.7/configure.ac jack/configure.ac
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--- jack-audio-connection-kit-0.100.7/configure.ac 2005-10-30 13:01:31.000000000 +0200
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+++ jack/configure.ac 2005-12-06 14:13:09.000000000 +0200
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@@ -126,6 +126,7 @@
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AC_CHECK_FUNCS(on_exit atexit)
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AC_CHECK_FUNCS(posix_memalign)
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AC_CHECK_LIB(m, sin)
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+AC_CHECK_FUNC(clock_gettime, [], AC_CHECK_LIB(rt, clock_gettime))
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# should we use mlockall() on this platform?
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if test "x$JACK_DO_NOT_MLOCK" = "x"; then
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diff -ur jack-audio-connection-kit-0.100.7/jack/engine.h jack/jack/engine.h
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--- jack-audio-connection-kit-0.100.7/jack/engine.h 2004-12-19 20:41:28.000000000 +0200
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+++ jack/jack/engine.h 2005-12-06 13:47:39.000000000 +0200
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@@ -169,6 +169,8 @@
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int jack_get_fifo_fd (jack_engine_t *engine,
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unsigned int which_fifo);
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+extern int clock_source;
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+
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extern jack_client_internal_t *
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jack_client_internal_by_id (jack_engine_t *engine, jack_client_id_t id);
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diff -ur jack-audio-connection-kit-0.100.7/jack/internal.h jack/jack/internal.h
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--- jack-audio-connection-kit-0.100.7/jack/internal.h 2005-08-22 23:48:24.000000000 +0300
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+++ jack/jack/internal.h 2005-12-06 13:50:48.000000000 +0200
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@@ -130,6 +130,7 @@
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jack_time_t sync_time_left;
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jack_frame_timer_t frame_timer;
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int32_t internal;
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+ int clock_source;
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pid_t engine_pid;
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jack_nframes_t buffer_size;
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int8_t real_time;
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diff -ur jack-audio-connection-kit-0.100.7/jackd/engine.c jack/jackd/engine.c
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--- jack-audio-connection-kit-0.100.7/jackd/engine.c 2005-06-15 12:18:40.000000000 +0300
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+++ jack/jackd/engine.c 2005-12-06 16:21:50.000000000 +0200
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@@ -78,6 +78,8 @@
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dlhandle handle;
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} jack_driver_info_t;
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+int clock_source = 0;
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+
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static int jack_port_assign_buffer (jack_engine_t *,
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jack_port_internal_t *);
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static jack_port_internal_t *jack_get_port_by_name (jack_engine_t *,
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@@ -1679,6 +1681,13 @@
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engine->control->xrun_delayed_usecs = 0;
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engine->control->max_delayed_usecs = 0;
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+#ifdef JACK_TIME_FUNC_DECL
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+ jack_set_clock_source(clock_source);
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+#else
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+ __jack_clock_source = clock_source;
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+#endif
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+ engine->control->clock_source = clock_source;
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+
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engine->control->frame_timer.frames = 0;
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engine->control->frame_timer.reset_pending = 0;
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engine->control->frame_timer.current_wakeup = 0;
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diff -ur jack-audio-connection-kit-0.100.7/jackd/jackd.c jack/jackd/jackd.c
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--- jack-audio-connection-kit-0.100.7/jackd/jackd.c 2005-06-15 12:18:40.000000000 +0300
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+++ jack/jackd/jackd.c 2005-12-06 13:52:15.000000000 +0200
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@@ -368,6 +368,7 @@
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" [ --verbose OR -v ]\n"
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" [ --silent OR -s ]\n"
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" [ --version OR -V ]\n"
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+" [ --clock-source OR -c ]\n"
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" -d driver [ ... driver args ... ]\n"
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" where driver can be `alsa', `coreaudio', `dummy',\n"
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" `oss' or `portaudio'\n\n"
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@@ -463,7 +464,7 @@
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{
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jack_driver_desc_t * desc;
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- const char *options = "-ad:P:uvshVRTFl:t:mn:p:";
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+ const char *options = "-ad:P:uvshVRTFl:t:mn:p:c:";
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struct option long_options[] =
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{
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{ "driver", 1, 0, 'd' },
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@@ -479,6 +480,7 @@
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{ "temporary", 0, 0, 'T' },
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{ "version", 0, 0, 'V' },
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{ "silent", 0, 0, 's' },
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+ { "clock-source", 1, 0, 'c' },
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{ 0, 0, 0, 0 }
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};
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int opt = 0;
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@@ -586,6 +588,10 @@
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show_version = 1;
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break;
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+ case 'c':
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+ clock_source = atoi (optarg);
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+ break;
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+
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default:
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fprintf (stderr, "unknown option character %c\n",
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optopt);
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diff -ur jack-audio-connection-kit-0.100.7/libjack/client.c jack/libjack/client.c
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--- jack-audio-connection-kit-0.100.7/libjack/client.c 2005-09-11 02:58:43.000000000 +0300
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+++ jack/libjack/client.c 2005-12-06 16:21:12.000000000 +0200
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@@ -51,6 +51,10 @@
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#include <sysdeps/time.h>
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JACK_TIME_GLOBAL_DECL; /* One instance per process. */
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+JACK_TIME_SOURCE_DECL; /* One instance per process. */
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+#ifdef JACK_TIME_FUNC_DECL
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+JACK_TIME_FUNC_DECL;
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+#endif
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#include "local.h"
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@@ -959,6 +963,13 @@
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client->engine = (jack_control_t *) jack_shm_addr (&client->engine_shm);
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+ /* initialize clock source as early as possible */
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+#ifdef JACK_TIME_FUNC_DECL
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+ jack_set_clock_source(client->engine->clock_source);
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+#else
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+ __jack_clock_source = client->engine->clock_source;
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+#endif
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+
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/* now attach the client control block */
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client->control_shm = res.client_shm;
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if (jack_attach_shm (&client->control_shm)) {
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