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-rw-r--r--engines/sci/gfx/operations.cpp4
-rw-r--r--engines/sci/sfx/core.cpp91
-rw-r--r--engines/sci/sfx/mixer/soft.cpp65
-rw-r--r--engines/sci/sfx/player/polled.cpp6
-rw-r--r--engines/sci/sfx/player/realtime.cpp65
-rw-r--r--engines/sci/sfx/seq/gm.cpp2
-rw-r--r--engines/sci/sfx/sequencer.h5
-rw-r--r--engines/sci/sfx/sfx_engine.h4
-rw-r--r--engines/sci/sfx/sfx_player.h6
-rw-r--r--engines/sci/sfx/sfx_songlib.h18
-rw-r--r--engines/sci/sfx/sfx_time.h22
-rw-r--r--engines/sci/sfx/songlib.cpp39
-rw-r--r--engines/sci/sfx/time.cpp58
-rw-r--r--engines/sci/tools.cpp48
-rw-r--r--engines/sci/tools.h26
15 files changed, 113 insertions, 346 deletions
diff --git a/engines/sci/gfx/operations.cpp b/engines/sci/gfx/operations.cpp
index 6250d89660..d4190353a1 100644
--- a/engines/sci/gfx/operations.cpp
+++ b/engines/sci/gfx/operations.cpp
@@ -1335,10 +1335,6 @@ int gfxop_disable_dirty_frames(gfx_state_t *state) {
// Pointer and IO ops
-#define SECONDS_OF_DAY (24*60*60)
-#define MILLION 1000000
-// Sure, this may seem silly, but it's too easy to miss a zero...)
-
#define GFXOP_FULL_POINTER_REFRESH if (_gfxop_full_pointer_refresh(state)) { GFXERROR("Failed to do full pointer refresh!\n"); return GFX_ERROR; }
static int _gfxop_full_pointer_refresh(gfx_state_t *state) {
diff --git a/engines/sci/sfx/core.cpp b/engines/sci/sfx/core.cpp
index 540750538f..3ccf38115c 100644
--- a/engines/sci/sfx/core.cpp
+++ b/engines/sci/sfx/core.cpp
@@ -26,12 +26,16 @@
/* Sound subsystem core: Event handler, sound player dispatching */
#include <stdio.h>
+
+#include "sci/tools.h"
#include "sci/sfx/sfx_timer.h"
#include "sci/sfx/sfx_iterator_internal.h"
#include "sci/sfx/sfx_player.h"
#include "sci/sfx/mixer.h"
#include "sci/include/sci_midi.h"
+
#include "common/mutex.h"
+#include "common/system.h"
namespace Sci {
@@ -50,9 +54,6 @@ extern sfx_pcm_device_t sfx_pcm_driver_scummvm;
Common::Mutex* callbackMutex;
-
-#define MILLION 1000000
-
int sfx_pcm_available() {
return (pcm_device != NULL);
}
@@ -76,41 +77,16 @@ int sfx_get_player_polyphony() {
return 0;
}
-static long time_minus(GTimeVal t1, GTimeVal t2) {
- return (t1.tv_sec - t2.tv_sec) * MILLION + (t1.tv_usec - t2.tv_usec);
-}
-
-static GTimeVal time_plus(GTimeVal t1, long delta) {
- if (delta > 0)
- t1.tv_usec += delta % MILLION;
- else
- t1.tv_usec -= (-delta) % MILLION;
-
- t1.tv_sec += delta / MILLION;
-
- if (t1.tv_usec > MILLION) {
- t1.tv_sec++;
- t1.tv_usec -= MILLION;
- }
-
- return t1;
-}
-
-
static void _freeze_time(sfx_state_t *self) {
/* Freezes the top song delay time */
- GTimeVal ctime;
- long delta;
-
+ uint32 ctime = g_system->getMillis();
song_t *song = self->song;
- sci_get_current_time(&ctime);
while (song) {
- delta = time_minus(song->wakeup_time, ctime);
- if (delta < 0)
- delta = 0;
-
- song->delay = delta;
+ if (ctime > song->wakeup_time)
+ song->delay = 0;
+ else
+ song->delay = song->wakeup_time - ctime;
song = song->next_playing;
}
@@ -162,13 +138,11 @@ static void _dump_songs(sfx_state_t *self) {
static void _thaw_time(sfx_state_t *self) {
/* inverse of _freeze_time() */
- GTimeVal ctime;
+ uint32 ctime = g_system->getMillis();
song_t *song = self->song;
- sci_get_current_time(&ctime);
-
while (song) {
- song->wakeup_time = time_plus(ctime, song->delay);
+ song->wakeup_time = ctime + song->delay;
song = song->next_playing;
}
@@ -198,15 +172,11 @@ _sfx_set_song_status(sfx_state_t *self, song_t *song, int status) {
case SOUND_STATUS_SUSPENDED:
case SOUND_STATUS_WAITING:
-
if (song->status == SOUND_STATUS_PLAYING) {
/* Update delay, set wakeup_time */
- GTimeVal time;
- long delta;
- sci_get_current_time(&time);
- delta = time_minus(time, song->wakeup_time);
+ uint32 time = g_system->getMillis();
- song->delay -= delta;
+ song->delay -= long(time) - long(song->wakeup_time);
song->wakeup_time = time;
}
if (status == SOUND_STATUS_SUSPENDED)
@@ -217,7 +187,7 @@ _sfx_set_song_status(sfx_state_t *self, song_t *song, int status) {
case SOUND_STATUS_PLAYING:
if (song->status == SOUND_STATUS_STOPPED)
/* Starting anew */
- sci_get_current_time(&song->wakeup_time);
+ song->wakeup_time = g_system->getMillis();
if (is_playing(self, song))
status = SOUND_STATUS_PLAYING;
@@ -239,7 +209,6 @@ static void _update_single_song(sfx_state_t *self) {
song_t *newsong = song_lib_find_active(self->songlib);
if (newsong != self->song) {
-
_freeze_time(self); /* Store song delay time */
if (player)
@@ -286,8 +255,7 @@ static void _update_single_song(sfx_state_t *self) {
song_iterator_t *clonesong
= songit_clone(newsong->it, newsong->delay);
- player->add_iterator(clonesong,
- newsong->wakeup_time);
+ player->add_iterator(clonesong, newsong->wakeup_time);
}
}
}
@@ -301,8 +269,7 @@ static void _update_multi_song(sfx_state_t *self) {
song_t not_playing_anymore; /* Dummy object, referenced by
** songs which are no longer
** active. */
- GTimeVal tv;
- sci_get_current_time(&tv);
+
/* _dump_playing_list(self, "before");*/
_freeze_time(self); /* Store song delay time */
@@ -359,7 +326,7 @@ static void _update_multi_song(sfx_state_t *self) {
player->add_iterator(songit_clone(newseeker->it,
newseeker->delay),
- tv);
+ g_system->getMillis());
}
_sfx_set_song_status(self, newseeker,
SOUND_STATUS_PLAYING);
@@ -535,10 +502,6 @@ void sfx_exit(sfx_state_t *self) {
callbackMutex = 0;
}
-static inline int time_le(GTimeVal a, GTimeVal b) {
- return time_minus(a, b) <= 0;
-}
-
void sfx_suspend(sfx_state_t *self, int suspend) {
#ifdef DEBUG_SONG_API
fprintf(stderr, "[sfx-core] Suspending? = %d\n", suspend);
@@ -582,11 +545,9 @@ int sfx_poll(sfx_state_t *self, song_handle_t *handle, int *cue) {
}
int sfx_poll_specific(sfx_state_t *self, song_handle_t handle, int *cue) {
- GTimeVal ctime;
+ uint32 ctime = g_system->getMillis();
song_t *song = self->song;
- sci_get_current_time(&ctime);
-
while (song && song->handle != handle)
song = song->next_playing;
@@ -601,16 +562,15 @@ int sfx_poll_specific(sfx_state_t *self, song_handle_t handle, int *cue) {
unsigned char buf[8];
int result;
- if (!time_le(song->wakeup_time, ctime))
+ if (song->wakeup_time > ctime)
return 0; /* Patience, young hacker! */
- result = songit_next(&(song->it), buf, cue,
- IT_READER_MASK_ALL);
+
+ result = songit_next(&(song->it), buf, cue, IT_READER_MASK_ALL);
switch (result) {
case SI_FINISHED:
- _sfx_set_song_status(self, song,
- SOUND_STATUS_STOPPED);
+ _sfx_set_song_status(self, song, SOUND_STATUS_STOPPED);
_update(self);
/* ...fall through... */
case SI_LOOP:
@@ -634,9 +594,8 @@ int sfx_poll_specific(sfx_state_t *self, song_handle_t handle, int *cue) {
default:
if (result > 0)
- song->wakeup_time =
- time_plus(song->wakeup_time,
- result * SOUND_TICK);
+ song->wakeup_time += result * SOUND_TICK;
+
/* Delay */
break;
}
@@ -690,7 +649,7 @@ int sfx_add_song(sfx_state_t *self, song_iterator_t *it, int priority, song_hand
song->resource_num = number;
song->hold = 0;
song->loops = 0;
- sci_get_current_time(&song->wakeup_time); /* No need to delay */
+ song->wakeup_time = g_system->getMillis(); /* No need to delay */
song_lib_add(self->songlib, song);
self->song = NULL; /* As above */
_update(self);
diff --git a/engines/sci/sfx/mixer/soft.cpp b/engines/sci/sfx/mixer/soft.cpp
index ed351be9bb..05812e7aaf 100644
--- a/engines/sci/sfx/mixer/soft.cpp
+++ b/engines/sci/sfx/mixer/soft.cpp
@@ -24,6 +24,7 @@
*/
#include "common/mutex.h"
+#include "common/system.h"
#include "sci/tools.h"
#include "sci/sfx/mixer.h"
@@ -31,8 +32,8 @@
namespace Sci {
-/* Max. number of microseconds in difference allowed between independent audio streams */
-#define TIMESTAMP_MAX_ALLOWED_DELTA 2000
+/* Max. number of milliseconds in difference allowed between independent audio streams */
+#define TIMESTAMP_MAX_ALLOWED_DELTA 2
/*#define DEBUG 3*/
/* Set DEBUG to one of the following:
@@ -42,7 +43,7 @@ namespace Sci {
** >= 3 -- fully detailed input and output analysis (once per frame and feed)
*/
-/*#define DEBUG 0*/
+//#define DEBUG 1
#define MIN_DELTA_OBSERVATIONS 100 /* Number of times the mixer is called before it starts trying to improve latency */
#define MAX_DELTA_OBSERVATIONS 1000000 /* Number of times the mixer is called before we assume we truly understand timing */
@@ -61,9 +62,9 @@ struct mixer_private {
int32 *compbuf_l, *compbuf_r; /* Intermediate buffers for computation */
int lastbuf_len; /* Number of frames stored in the last buffer */
- long skew; /* Millisecond relative to which we compute time. This is the millisecond
+ uint32 skew; /* Millisecond relative to which we compute time. This is the millisecond
** part of the first time we emitted sound, to simplify some computations. */
- long lsec; /* Last point in time we updated buffers, if any (seconds since the epoch) */
+ uint32 lsec; /* Last point in time we updated buffers, if any (seconds since the epoch) */
int played_this_second; /* Number of frames emitted so far in second lsec */
int max_delta; /* maximum observed time delta (using 'frames' as a metric unit) */
@@ -85,11 +86,7 @@ static int mix_init(sfx_pcm_mixer_t *self, sfx_pcm_device_t *device) {
P->compbuf_r = (int32*)sci_malloc(sizeof(int32) * device->buf_size);
P->played_this_second = 0;
P->paused = 0;
-#ifdef DEBUG
- sciprintf("[soft-mixer] Initialised device %s v%s (%d Hz, %d/%x)\n",
- device->name, device->version,
- device->conf.rate, device->conf.stereo, device->conf.format);
-#endif
+
return SFX_OK;
}
@@ -355,12 +352,6 @@ static inline void mix_swap_buffers(sfx_pcm_mixer_t *self) { /* Swap buffers */
P->writebuf = tmp;
}
-
-#define FRAME_OFFSET(usecs) \
- ((usecs >> 7) /* approximate, since uint32 is too small */ \
- * ((long) self->dev->conf.rate)) \
- / (1000000L >> 7)
-
static inline int mix_compute_buf_len(sfx_pcm_mixer_t *self, int *skip_frames)
/* Computes the number of frames we ought to write. It tries to minimise the number,
** in order to reduce latency. */
@@ -369,35 +360,32 @@ static inline int mix_compute_buf_len(sfx_pcm_mixer_t *self, int *skip_frames)
{
int free_frames;
int played_frames = 0; /* since the last call */
- long secs, usecs;
+ uint32 msecs;
int frame_pos;
int result_frames;
- sci_gettime(&secs, &usecs);
+ msecs = g_system->getMillis();
if (!P->outbuf) {
/* Called for the first time ever? */
- P->skew = usecs;
- P->lsec = secs;
+ P->skew = msecs % 1000;
+ P->lsec = msecs / 1000;
P->max_delta = 0;
P->delta_observations = 0;
P->played_this_second = 0;
*skip_frames = 0;
+
return self->dev->buf_size;
}
/* fprintf(stderr, "[%d:%d]S%d ", secs, usecs, P->skew);*/
- if (P->skew > usecs) {
- secs--;
- usecs += (1000000 - P->skew);
- } else
- usecs -= P->skew;
+ msecs -= P->skew;
- frame_pos = FRAME_OFFSET(usecs);
+ frame_pos = (msecs % 1000) * self->dev->conf.rate / 1000;
played_frames = frame_pos - P->played_this_second
- + ((secs - P->lsec) * self->dev->conf.rate);
+ + ((msecs / 1000 - P->lsec) * self->dev->conf.rate);
/*
fprintf(stderr, "%d:%d - %d:%d => %d\n", secs, frame_pos,
P->lsec, P->played_this_second, played_frames);
@@ -446,8 +434,8 @@ static inline int mix_compute_buf_len(sfx_pcm_mixer_t *self, int *skip_frames)
/* recommended_frames = self->dev->buf_size; /\* Initially, keep the buffer full *\/ */
#if (DEBUG >= 1)
- sciprintf("[soft-mixer] played since last time: %d, recommended: %d, free: %d\n",
- played_frames, recommended_frames, free_frames);
+ sciprintf("[soft-mixer] played since last time: %d, free: %d\n",
+ played_frames, free_frames);
#endif
result_frames = free_frames;
@@ -553,7 +541,7 @@ static void mix_compute_input_linear(sfx_pcm_mixer_t *self, int add_result,
)
/ fs->spd.den;
- ts->secs = -1;
+ ts->msecs = 0;
if (frames_nr > fs->buf_size) {
fprintf(stderr, "%d (%d*%d + somethign) bytes, but only %d allowed!!!!!\n",
@@ -791,16 +779,13 @@ static int mix_process_linear(sfx_pcm_mixer_t *self) {
int have_timestamp = 0;
sfx_timestamp_t start_timestamp; /* The timestamp at which the first frame will be played */
sfx_timestamp_t min_timestamp;
- min_timestamp.secs = 0;
+ min_timestamp.msecs = 0;
sfx_timestamp_t timestamp;
if (self->dev->get_output_timestamp)
start_timestamp = self->dev->get_output_timestamp(self->dev);
- else {
- long sec, usec;
- sci_gettime(&sec, &usec);
- start_timestamp = sfx_new_timestamp(sec, usec, self->dev->conf.rate);
- }
+ else
+ start_timestamp = sfx_new_timestamp(g_system->getMillis(), self->dev->conf.rate);
if ((P->outbuf) && (P->lastbuf_len)) {
sfx_timestamp_t ts;
@@ -846,9 +831,9 @@ static int mix_process_linear(sfx_pcm_mixer_t *self) {
fake_buflen, &timestamp,
start_timestamp);
- if (timestamp.secs >= 0) {
+ if (timestamp.msecs > 0) {
if (have_timestamp) {
- int diff = sfx_timestamp_usecs_diff(min_timestamp, timestamp);
+ int diff = sfx_timestamp_msecs_diff(min_timestamp, timestamp);
if (diff > 0) {
/* New earlier timestamp */
timestamp = min_timestamp;
@@ -890,7 +875,7 @@ static int mix_process_linear(sfx_pcm_mixer_t *self) {
#endif
if (timestamp_max_delta > TIMESTAMP_MAX_ALLOWED_DELTA)
- sciprintf("[soft-mixer] Warning: Difference in timestamps between audio feeds is %d us\n", timestamp_max_delta);
+ sciprintf("[soft-mixer] Warning: Difference in timestamps between audio feeds is %d ms\n", timestamp_max_delta);
mix_compute_output(self, buflen);
P->lastbuf_len = buflen;
@@ -899,7 +884,7 @@ static int mix_process_linear(sfx_pcm_mixer_t *self) {
mix_swap_buffers(self);
if (have_timestamp)
P->outbuf_timestamp = sfx_timestamp_add(min_timestamp,
- timestamp_max_delta >> 1);
+ timestamp_max_delta * 500);
P->have_outbuf_timestamp = have_timestamp;
}
diff --git a/engines/sci/sfx/player/polled.cpp b/engines/sci/sfx/player/polled.cpp
index 869f7c00b2..339b418a77 100644
--- a/engines/sci/sfx/player/polled.cpp
+++ b/engines/sci/sfx/player/polled.cpp
@@ -202,7 +202,7 @@ static int pp_init(ResourceManager *resmgr, int expected_latency) {
return SFX_OK;
}
-static int pp_add_iterator(song_iterator_t *it, GTimeVal start_time) {
+static int pp_add_iterator(song_iterator_t *it, uint32 start_time) {
song_iterator_t *old = play_it;
SIMSG_SEND(it, SIMSG_SET_PLAYMASK(seq->playmask));
@@ -218,9 +218,7 @@ static int pp_add_iterator(song_iterator_t *it, GTimeVal start_time) {
/* The check must happen HERE, and not at the beginning of the
function, to avoid a race condition with the mixer. */
if (old == NULL) {
- new_timestamp = sfx_new_timestamp(start_time.tv_sec,
- start_time.tv_usec,
- seq->pcm_conf.rate);
+ new_timestamp = sfx_new_timestamp(start_time, seq->pcm_conf.rate);
/* ASAP otherwise */
time_counter = 0;
new_song = 1;
diff --git a/engines/sci/sfx/player/realtime.cpp b/engines/sci/sfx/player/realtime.cpp
index ab08d7f44b..84b40ced53 100644
--- a/engines/sci/sfx/player/realtime.cpp
+++ b/engines/sci/sfx/player/realtime.cpp
@@ -27,9 +27,12 @@
** prays for some reasonable amount of soft real-time, but it's close
** enough, I guess. */
+#include "sci/tools.h"
#include "sci/sfx/sfx_player.h"
#include "sci/sfx/sequencer.h"
+#include "common/system.h"
+
namespace Sci {
static sfx_sequencer_t *seq;
@@ -38,38 +41,14 @@ extern sfx_player_t sfx_player_realtime;
/* Playing mechanism */
-static inline GTimeVal
-current_time(void) {
- GTimeVal tv;
- sci_get_current_time(&tv);
- return tv;
-}
-
-static inline GTimeVal
-add_time_delta(GTimeVal tv, long delta) {
- int sec_d;
-
- tv.tv_usec += delta;
- sec_d = tv.tv_usec / 1000000;
- tv.tv_usec -= sec_d * 1000000;
-
- tv.tv_sec += sec_d;
-
- return tv;
-}
-
-static inline long
-delta_time(GTimeVal comp_tv, GTimeVal base) {
- GTimeVal tv;
- sci_get_current_time(&tv);
- return (comp_tv.tv_sec - tv.tv_sec) * 1000000
- + (comp_tv.tv_usec - tv.tv_usec);
+static inline int delta_time(const uint32 comp, const uint32 base) {
+ return long(comp) - long(base);
}
static song_iterator_t *play_it = NULL;
-static GTimeVal play_last_time;
-static GTimeVal play_pause_started; /* Beginning of the last pause */
-static GTimeVal play_pause_counter; /* Last point in time to mark a
+static uint32 play_last_time;
+static uint32 play_pause_started; /* Beginning of the last pause */
+static uint32 play_pause_counter; /* Last point in time to mark a
** play position augmentation */
static int play_paused = 0;
static int play_it_done = 0;
@@ -77,20 +56,19 @@ static int play_writeahead = 0;
static int play_moredelay = 0;
static void
-play_song(song_iterator_t *it, GTimeVal *wakeup_time, int writeahead_time) {
+play_song(song_iterator_t *it, uint32 *wakeup_time, int writeahead_time) {
unsigned char buf[8];
int result;
if (play_paused) {
- GTimeVal ct;
- sci_get_current_time(&ct);
+ uint32 ct = g_system->getMillis();
+
+ *wakeup_time += delta_time(play_pause_counter, ct);
- *wakeup_time =
- add_time_delta(*wakeup_time, delta_time(play_pause_counter, ct));
play_pause_counter = ct;
} else
/* Not paused: */
- while (play_it && delta_time(*wakeup_time, current_time())
+ while (play_it && delta_time(*wakeup_time, g_system->getMillis())
< writeahead_time) {
int delay;
@@ -121,7 +99,7 @@ play_song(song_iterator_t *it, GTimeVal *wakeup_time, int writeahead_time) {
default:
play_moredelay = delay - 1;
- *wakeup_time = song_next_wakeup_time(wakeup_time, delay);
+ *wakeup_time += delay * SOUND_TICK;
if (seq->delay)
seq->delay(delay);
}
@@ -137,12 +115,12 @@ static void
rt_timer_callback(void) {
if (play_it && !play_it_done) {
if (!play_moredelay) {
- long delta = delta_time(play_last_time, current_time());
+ int delta = delta_time(play_last_time, g_system->getMillis());
if (delta < 0) {
play_writeahead -= (int)((double)delta * 1.2); /* Adjust upwards */
- } else if (delta > 15000) {
- play_writeahead -= 2500; /* Adjust downwards */
+ } else if (delta > 15) {
+ play_writeahead -= 3; /* Adjust downwards */
}
} else --play_moredelay;
@@ -179,7 +157,6 @@ static int
rt_init(ResourceManager *resmgr, int expected_latency) {
resource_t *res = NULL, *res2 = NULL;
void *seq_dev = NULL;
- GTimeVal foo = {0, 0};
seq = sfx_find_sequencer(NULL);
@@ -209,16 +186,16 @@ rt_init(ResourceManager *resmgr, int expected_latency) {
if (play_writeahead < seq->min_write_ahead_ms)
play_writeahead = seq->min_write_ahead_ms;
- play_writeahead *= 1000; /* microseconds */
+ play_writeahead *= 1; /* milliseconds */
if (seq->reset_timer)
- seq->reset_timer(foo);
+ seq->reset_timer(0);
return SFX_OK;
}
static int
-rt_add_iterator(song_iterator_t *it, GTimeVal start_time) {
+rt_add_iterator(song_iterator_t *it, uint32 start_time) {
if (seq->reset_timer) /* Restart timer counting if possible */
seq->reset_timer(start_time);
@@ -264,7 +241,7 @@ rt_send_iterator_message(song_iterator_message_t msg) {
static int
rt_pause(void) {
- sci_get_current_time(&play_pause_started);
+ play_pause_started = g_system->getMillis();
/* Also, indicate that we haven't modified the time counter
** yet */
play_pause_counter = play_pause_started;
diff --git a/engines/sci/sfx/seq/gm.cpp b/engines/sci/sfx/seq/gm.cpp
index ebd0b47bf6..7daa2b9535 100644
--- a/engines/sci/sfx/seq/gm.cpp
+++ b/engines/sci/sfx/seq/gm.cpp
@@ -78,7 +78,7 @@ midi_gm_delay(int ticks) {
}
static int
-midi_gm_reset_timer(GTimeVal ts) {
+midi_gm_reset_timer(uint32 ts) {
writer->reset_timer(writer);
return SFX_OK;
diff --git a/engines/sci/sfx/sequencer.h b/engines/sci/sfx/sequencer.h
index 182e2bf771..a2f5fb789c 100644
--- a/engines/sci/sfx/sequencer.h
+++ b/engines/sci/sfx/sequencer.h
@@ -29,7 +29,6 @@
#include "common/scummsys.h"
-#include "sci/tools.h" // For GTimeVal
#include "sci/sfx/sfx_core.h"
#include "sci/sfx/device.h"
@@ -88,10 +87,10 @@ struct sfx_sequencer_t {
** Returns : SFX_OK on success, SFX_ERROR otherwise
*/
- int (*reset_timer)(GTimeVal ts);
+ int (*reset_timer)(uint32 ts);
/* OPTIONAL -- may be NULL, but highly recommended in combination with delay() */
/* Resets the timer counter associated with the 'delay()' function
- ** Parameters: (GTimeVal) ts: Timestamp of the base time
+ ** Parameters: (uint32) ts: Timestamp of the base time
** Returns : SFX_OK on success, SFX_ERROR otherwise
*/
diff --git a/engines/sci/sfx/sfx_engine.h b/engines/sci/sfx/sfx_engine.h
index 059cf370c7..642c84c068 100644
--- a/engines/sci/sfx/sfx_engine.h
+++ b/engines/sci/sfx/sfx_engine.h
@@ -34,8 +34,8 @@
namespace Sci {
-#define SOUND_TICK 1000000 / 60
-/* Approximately 16666 microseconds */
+#define SOUND_TICK 1000 / 60
+/* Approximately 17 milliseconds */
#define SFX_STATE_FLAG_MULTIPLAY (1 << 0) /* More than one song playable
diff --git a/engines/sci/sfx/sfx_player.h b/engines/sci/sfx/sfx_player.h
index 68a915c3a0..8718622428 100644
--- a/engines/sci/sfx/sfx_player.h
+++ b/engines/sci/sfx/sfx_player.h
@@ -32,6 +32,8 @@
#include "sci/sfx/sfx_iterator.h"
#include "sci/include/sciresource.h"
+#include "common/scummsys.h"
+
namespace Sci {
typedef void tell_synth_func(int buf_nr, byte *buf);
@@ -55,10 +57,10 @@ struct sfx_player_t {
** Returns : (int) SFX_OK on success, SFX_ERROR on failure
*/
- int (*add_iterator)(song_iterator_t *it, GTimeVal start_time);
+ int (*add_iterator)(song_iterator_t *it, uint32 start_time);
/* Adds an iterator to the song player
** Parameters: (songx_iterator_t *) it: The iterator to play
- ** (GTimeVal) start_time: The time to assume as the
+ ** (uint32) start_time: The time to assume as the
** time the first MIDI command executes at
** Returns : (int) SFX_OK on success, SFX_ERROR on failure
** The iterator should not be cloned (to avoid memory leaks) and
diff --git a/engines/sci/sfx/sfx_songlib.h b/engines/sci/sfx/sfx_songlib.h
index f390b3828d..bf8dc8b5a9 100644
--- a/engines/sci/sfx/sfx_songlib.h
+++ b/engines/sci/sfx/sfx_songlib.h
@@ -30,7 +30,6 @@
#include "common/scummsys.h"
-#include "sci/tools.h" // For GTimeVal
#include "sci/sfx/sfx_iterator.h"
namespace Sci {
@@ -66,7 +65,7 @@ struct song_t {
song_iterator_t *it;
long delay; /* Delay before accessing the iterator, in microseconds */
- GTimeVal wakeup_time; /* Used by the sound core:
+ uint32 wakeup_time; /* Used by the sound core:
** Playing -> time at which 'delay' has elapsed
** Suspended/Waiting -> stopping time */
@@ -161,21 +160,6 @@ int song_lib_count(songlib_t songlib);
** Returns : (int) The number of songs
*/
-GTimeVal song_sleep_time(GTimeVal *lastslept, long ticks);
-/* Caluculates the amount of seconds and microseconds to sleep.
-** Parameters: (GTimeVal *) lastslept: The time to start counting on
-** (long) ticks: Number of ticks to sleep
-** Returns : (GTimeVal) The amount of time to sleep
-*/
-
-GTimeVal song_next_wakeup_time(GTimeVal *lastslept, long ticks);
-/* Calculates the time at which "ticks" have passed, counting from "lastslept".
-** Parameters: (GTimeVal *) lastslept: The base to start counting on
-** (long) ticks: Number of ticks to count
-** Returns : (GTimeVal) A structure describing the time at which the
-** specified number of ticks has passed
-*/
-
void song_lib_set_restore_behavior(songlib_t songlib, song_handle_t handle,
RESTORE_BEHAVIOR action);
/* Determines what should be done with the song "handle" when
diff --git a/engines/sci/sfx/sfx_time.h b/engines/sci/sfx/sfx_time.h
index 512dc70cd1..2a9be71ced 100644
--- a/engines/sci/sfx/sfx_time.h
+++ b/engines/sci/sfx/sfx_time.h
@@ -26,20 +26,21 @@
#ifndef SCI_SFX_SFX_TIME_H
#define SCI_SFX_SFX_TIME_H
+#include "common/scummsys.h"
+
namespace Sci {
struct sfx_timestamp_t {
- long secs;
- long usecs;
+ uint32 msecs;
int frame_rate;
int frame_offset;
- /* Total time: secs + usecs + frame_offset/frame_rate */
+ /* Total time: msecs + frame_offset/frame_rate */
};
-sfx_timestamp_t sfx_new_timestamp(long secs, long usecs, int frame_rate);
+sfx_timestamp_t sfx_new_timestamp(const uint32 msecs, const int frame_rate);
/* Creates a new mutable timestamp
-** Parameters: (long x long) (secs, usecs): Initial timestamp
+** Parameters: (uint32) msecs: Initial timestamp
** (int) frame_rate: Frame rate, for increasing the time stamp
*/
@@ -66,18 +67,17 @@ int sfx_timestamp_frame_diff(sfx_timestamp_t a, sfx_timestamp_t b);
** Returns : (int) a-b
*/
-long sfx_timestamp_usecs_diff(sfx_timestamp_t a, sfx_timestamp_t b);
-/* Computes the difference (# of microseconds) between two timestamps
+int sfx_timestamp_msecs_diff(sfx_timestamp_t a, sfx_timestamp_t b);
+/* Computes the difference (# of milliseconds) between two timestamps
** Parameters: (sfx_timestamp) a: See below
** (sfx_timestamp) b: See below
-** Returns : (long) a-b
+** Returns : (int) a-b
*/
-void sfx_timestamp_gettime(sfx_timestamp_t *timestamp, long *secs, long *usecs);
+void sfx_timestamp_gettime(sfx_timestamp_t *timestamp, uint32 *msecs);
/* Determines the time described by a given timestamp
** Parameters: (sfx_timestamp_t *) timestamp: Timestamp to read from
-** Returns : (int * x int *) (secs, usecs): Seconds and microseconds since
-** the epoch described there
+** Returns : (uint32 *) msecs: Milliseconds since startup
*/
} // End of namespace Sci
diff --git a/engines/sci/sfx/songlib.cpp b/engines/sci/sfx/songlib.cpp
index 5a53affe18..6b2703b95b 100644
--- a/engines/sci/sfx/songlib.cpp
+++ b/engines/sci/sfx/songlib.cpp
@@ -24,6 +24,8 @@
*/
#include <stdio.h>
+
+#include "sci/tools.h"
#include "sci/sfx/sfx_engine.h"
#include "sci/sci_memory.h"
@@ -31,43 +33,6 @@ namespace Sci {
#define debug_stream stderr
-GTimeVal song_sleep_time(GTimeVal *lastslept, long ticks) {
- GTimeVal tv;
- long timetosleep;
- long timeslept; /* Time already slept */
- timetosleep = ticks * SOUND_TICK; /* Time to sleep in us */
-
- sci_get_current_time(&tv);
- timeslept = 1000000 * (tv.tv_sec - lastslept->tv_sec) +
- tv.tv_usec - lastslept->tv_usec;
-
- timetosleep -= timeslept;
-
- if (timetosleep < 0)
- timetosleep = 0;
-
- tv.tv_sec = timetosleep / 1000000;
- tv.tv_usec = timetosleep % 1000000;
-
- return tv;
-}
-
-
-GTimeVal song_next_wakeup_time(GTimeVal *lastslept, long ticks) {
- GTimeVal retval;
-
- retval.tv_sec = lastslept->tv_sec + (ticks / 60);
- retval.tv_usec = lastslept->tv_usec + ((ticks % 60) * SOUND_TICK);
-
- if (retval.tv_usec >= 1000000) {
- retval.tv_usec -= 1000000;
- ++retval.tv_sec;
- }
-
- return retval;
-}
-
-
song_t *song_new(song_handle_t handle, song_iterator_t *it, int priority) {
song_t *retval;
retval = (song_t*) sci_malloc(sizeof(song_t));
diff --git a/engines/sci/sfx/time.cpp b/engines/sci/sfx/time.cpp
index 720c233968..b765a56685 100644
--- a/engines/sci/sfx/time.cpp
+++ b/engines/sci/sfx/time.cpp
@@ -28,10 +28,9 @@
namespace Sci {
-sfx_timestamp_t sfx_new_timestamp(long secs, long usecs, int frame_rate) {
+sfx_timestamp_t sfx_new_timestamp(const uint32 msecs, const int frame_rate) {
sfx_timestamp_t r;
- r.secs = secs;
- r.usecs = usecs;
+ r.msecs = msecs;
r.frame_rate = frame_rate;
r.frame_offset = 0;
@@ -45,73 +44,50 @@ sfx_timestamp_t sfx_timestamp_add(sfx_timestamp_t timestamp, int frames) {
int secsub = 1 + (-timestamp.frame_offset / timestamp.frame_rate);
timestamp.frame_offset += timestamp.frame_rate * secsub;
- timestamp.secs -= secsub;
+ timestamp.msecs -= secsub * 1000;
}
- timestamp.secs += (timestamp.frame_offset / timestamp.frame_rate);
+ timestamp.msecs += (timestamp.frame_offset / timestamp.frame_rate) * 1000;
timestamp.frame_offset %= timestamp.frame_rate;
return timestamp;
}
int sfx_timestamp_frame_diff(sfx_timestamp_t a, sfx_timestamp_t b) {
- long usecdelta = 0;
+ int msecdelta = 0;
if (a.frame_rate != b.frame_rate) {
fprintf(stderr, "Fatal: The semantics of subtracting two timestamps with a different base from each other is not defined!\n");
BREAKPOINT();
}
- if (a.usecs != b.usecs) {
-#if (SIZEOF_LONG >= 8)
- usecdelta = (a.usecs * a.frame_rate) / 1000000
- - (b.usecs * b.frame_rate) / 1000000;
-#else
- usecdelta = ((a.usecs / 1000) * a.frame_rate) / 1000
- - ((b.usecs / 1000) * b.frame_rate) / 1000;
-#endif
- }
+ if (a.msecs != b.msecs)
+ msecdelta = (long(a.msecs) - long(b.msecs)) * a.frame_rate / 1000;
- return usecdelta
- + (a.secs - b.secs) * a.frame_rate
- + a.frame_offset - b.frame_offset;
+ return msecdelta + a.frame_offset - b.frame_offset;
}
-long sfx_timestamp_usecs_diff(sfx_timestamp_t t1, sfx_timestamp_t t2) {
- long secs1, secs2;
- long usecs1, usecs2;
+int sfx_timestamp_msecs_diff(sfx_timestamp_t t1, sfx_timestamp_t t2) {
+ uint32 msecs1, msecs2;
- sfx_timestamp_gettime(&t1, &secs1, &usecs1);
- sfx_timestamp_gettime(&t2, &secs2, &usecs2);
+ sfx_timestamp_gettime(&t1, &msecs1);
+ sfx_timestamp_gettime(&t2, &msecs2);
- return (usecs1 - usecs2) + ((secs1 - secs2) * 1000000);
+ return long(msecs1) - long(msecs2);
}
sfx_timestamp_t sfx_timestamp_renormalise(sfx_timestamp_t timestamp, int new_freq) {
sfx_timestamp_t r;
- sfx_timestamp_gettime(&timestamp, &r.secs, &r.usecs);
+ sfx_timestamp_gettime(&timestamp, &r.msecs);
r.frame_rate = new_freq;
r.frame_offset = 0;
return r;
}
-void sfx_timestamp_gettime(sfx_timestamp_t *timestamp, long *secs, long *usecs) {
- long ust = timestamp->usecs;
- /* On 64 bit machines, we can do an accurate computation */
-#if (SIZEOF_LONG >= 8)
- ust += (timestamp->frame_offset * 1000000l) / (timestamp->frame_rate);
-#else
- ust += (timestamp->frame_offset * 1000l) / (timestamp->frame_rate / 1000l);
-#endif
-
- if (ust > 1000000) {
- ust -= 1000000;
- *secs = timestamp->secs + 1;
- } else
- *secs = timestamp->secs;
-
- *usecs = ust;
+void sfx_timestamp_gettime(sfx_timestamp_t *timestamp, uint32 *msecs) {
+ *msecs = timestamp->msecs +
+ timestamp->frame_offset * 1000l / timestamp->frame_rate;
}
} // End of namespace Sci
diff --git a/engines/sci/tools.cpp b/engines/sci/tools.cpp
index 757190e277..58c86cd73a 100644
--- a/engines/sci/tools.cpp
+++ b/engines/sci/tools.cpp
@@ -29,7 +29,6 @@
# include <windows.h>
# include <errno.h>
# include <mmsystem.h>
-# include <sys/timeb.h>
# include <sys/types.h>
# include <sys/stat.h>
# include <direct.h>
@@ -44,10 +43,6 @@
namespace Sci {
-#ifndef _MSC_VER
-# include <sys/time.h>
-#endif
-
int script_debug_flag = 0; // Defaulting to running mode
int sci_debug_flags = 0; // Special flags
@@ -132,47 +127,4 @@ void _SCIGNUkdebug(const char *funcname, EngineState *s, const char *file, int l
}
}
-
-#ifndef _MSC_VER
-void sci_gettime(long *seconds, long *useconds) {
- struct timeval tv;
-
- assert(!gettimeofday(&tv, NULL));
- *seconds = tv.tv_sec;
- *useconds = tv.tv_usec;
-}
-#elif defined (WIN32)
-
-/*WARNING(Incorrect)*/
-/* Warning: This function only retrieves the amount of mseconds since the start of
-** the Win32 kernel; it does /not/ provide the number of seconds since the epoch!
-** There are no known cases where this causes problems, though. */
-void sci_gettime(long *seconds, long *useconds) {
- DWORD tm;
-
- if (TIMERR_NOERROR != timeBeginPeriod(1)) {
- fprintf(stderr, "timeBeginPeriod(1) failed in sci_gettime\n");
- }
-
- tm = timeGetTime();
-
- if (TIMERR_NOERROR != timeEndPeriod(1)) {
- fprintf(stderr, "timeEndPeriod(1) failed in sci_gettime\n");
- }
-
- *seconds = tm / 1000;
- *useconds = (tm % 1000) * 1000;
-}
-#else
-# error "You need to provide a microsecond resolution sci_gettime implementation for your platform!"
-#endif
-
-
-void sci_get_current_time(GTimeVal *val) {
- long foo, bar;
- sci_gettime(&foo, &bar);
- val->tv_sec = foo;
- val->tv_usec = bar;
-}
-
} // End of namespace Sci
diff --git a/engines/sci/tools.h b/engines/sci/tools.h
index 4bc0330bd2..dc5a1a33c5 100644
--- a/engines/sci/tools.h
+++ b/engines/sci/tools.h
@@ -31,40 +31,14 @@
namespace Sci {
-
-struct GTimeVal {
- long tv_sec;
- long tv_usec;
-};
-
-
-
/**** FUNCTION DECLARATIONS ****/
#define getInt16 (int16)READ_LE_UINT16
#define getUInt16 READ_LE_UINT16
#define putInt16 WRITE_LE_UINT16
-
/* --- */
-void sci_gettime(long *seconds, long *useconds);
-/* Calculates the current time in seconds and microseconds
-** Parameters: (long *) seconds: Pointer to the variable the seconds part of the
-** current time will be stored in
-** (long *) useconds: Pointer to the variable the microseconds part
-** of the current time will be stored in
-** Returns : (void)
-** The resulting values must be relative to an arbitrary fixed point in time
-** (typically 01/01/1970 on *NIX systems).
-*/
-
-void sci_get_current_time(GTimeVal *val);
-/* GTimeVal version of sci_gettime()
-** Parameters: (GTimeVal *) val: Pointer to the structure the values will be stored in
-** Returns : (void)
-*/
-
int sciprintf(const char *fmt, ...) GCC_PRINTF(1, 2);
#define gfxprintf sciprintf
/* Prints a string to the console stack
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-08 18:41:54 +0000