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author | Max Horn | 2009-05-28 10:29:11 +0000 |
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committer | Max Horn | 2009-05-28 10:29:11 +0000 |
commit | 01252c4aaf77b461928b71617d87c8ef7da83105 (patch) | |
tree | d929fac08fe1489d83c917288bcb3613d4135aad | |
parent | 78b3c80b11e1cee50e6aaef48525b3ea56c35663 (diff) | |
download | scummvm-rg350-01252c4aaf77b461928b71617d87c8ef7da83105.tar.gz scummvm-rg350-01252c4aaf77b461928b71617d87c8ef7da83105.tar.bz2 scummvm-rg350-01252c4aaf77b461928b71617d87c8ef7da83105.zip |
SCI: Some SFX player cleanup
svn-id: r40956
-rw-r--r-- | engines/sci/sfx/core.cpp | 78 | ||||
-rw-r--r-- | engines/sci/sfx/player.h | 13 | ||||
-rw-r--r-- | engines/sci/sfx/player/new_player.cpp | 142 | ||||
-rw-r--r-- | engines/sci/sfx/player/new_player.h | 21 |
4 files changed, 108 insertions, 146 deletions
diff --git a/engines/sci/sfx/core.cpp b/engines/sci/sfx/core.cpp index d819ef7b9b..9eca47e0cf 100644 --- a/engines/sci/sfx/core.cpp +++ b/engines/sci/sfx/core.cpp @@ -58,7 +58,7 @@ void sfx_reset_player() { int sfx_get_player_polyphony() { if (player) - return player->polyphony; + return player->_polyphony; else return 0; } @@ -344,14 +344,6 @@ int sfx_play_iterator_pcm(SongIterator *it, song_handle_t handle) { #define DELAY (1000000 / SFX_TICKS_PER_SEC) -static void _sfx_timer_callback(void *data) { - /* First run the player, to give it a chance to fill - ** the audio buffer */ - - if (player) - player->maintenance(); -} - void sfx_init(sfx_state_t *self, ResourceManager *resmgr, int flags) { song_lib_init(&self->songlib); self->song = NULL; @@ -360,18 +352,13 @@ void sfx_init(sfx_state_t *self, ResourceManager *resmgr, int flags) { self->soundSync = NULL; self->audioResource = NULL; + player = NULL; + if (flags & SFX_STATE_FLAG_NOSOUND) { - player = NULL; - sciprintf("[SFX] Sound disabled.\n"); + warning("[SFX] Sound disabled"); return; } - // TODO: Implement platform policy here? - player = new NewPlayer(); - //player = new PolledPlayer(); - //player = new RealtimePlayer(); - - #ifdef DEBUG_SONG_API fprintf(stderr, "[sfx-core] Initialising: flags=%x\n", flags); #endif @@ -381,67 +368,36 @@ void sfx_init(sfx_state_t *self, ResourceManager *resmgr, int flags) { /*-------------------*/ if (!resmgr) { - sciprintf("[SFX] Warning: No resource manager present, cannot initialise player\n"); - player = NULL; - } else if (player->init(resmgr, DELAY / 1000)) { - sciprintf("[SFX] Song player '%s' reported error, disabled\n", player->name); - delete player; - player = NULL; + warning("[SFX] Warning: No resource manager present, cannot initialise player"); + return; } - if (!player) + player = new NewPlayer(); + + if (!player) { sciprintf("[SFX] No song player found\n"); - else - sciprintf("[SFX] Using song player '%s', v%s\n", player->name, player->version); - - /*------------------*/ - /* Initialise timer */ - /*------------------*/ - - // We initialise the timer last, so there is no possibility of the - // timer callback being triggered while the mixer or player are - // still being initialized. - if (strcmp(player->name, "realtime") == 0) { - // FIXME: Merge this timer code into RealtimePlayer itself - if (!g_system->getTimerManager()->installTimerProc(&_sfx_timer_callback, DELAY, NULL)) { - warning("[SFX] " __FILE__": Timer failed to initialize"); - warning("[SFX] Disabled sound support"); - delete player; - player = NULL; - } + return; + } + + if (player->init(resmgr, DELAY / 1000)) { + warning("[SFX] Song player reported error, disabled"); + delete player; + player = NULL; } } void sfx_exit(sfx_state_t *self) { - g_system->getTimerManager()->removeTimerProc(&_sfx_timer_callback); - - // The timer API guarantees no more callbacks are running or will be - // run from this point onward, so we can now safely exit the mixer and - // player. - #ifdef DEBUG_SONG_API fprintf(stderr, "[sfx-core] Uninitialising\n"); #endif - // WARNING: The mixer may hold feeds from the player, so we must - // stop the mixer BEFORE stopping the player. - // FIXME Player "new" frees its own feeds, so we only need to stop any - // remaining sfx feeds after stopping the player. - if (strcmp(player->name, "new") != 0) - g_system->getMixer()->stopAll(); - - // FIXME: change players to stop their own audio streams if (player) { - // See above: This must happen AFTER stopping the mixer player->exit(); delete player; player = 0; } - // FIXME: player is deleted here by the code above, so this will crash. - // Is that code needed? - //if (strcmp(player->name, "new") == 0) - // g_system->getMixer()->stopAll(); + g_system->getMixer()->stopAll(); song_lib_free(self->songlib); diff --git a/engines/sci/sfx/player.h b/engines/sci/sfx/player.h index 104a50db09..f6275bd820 100644 --- a/engines/sci/sfx/player.h +++ b/engines/sci/sfx/player.h @@ -37,14 +37,11 @@ namespace Sci { class SfxPlayer { public: - const char *name; - const char *version; - /** Number of voices that can play simultaneously */ - int polyphony; + int _polyphony; public: - SfxPlayer() : name(0), version(0), polyphony(0) {} + SfxPlayer() : _polyphony(0) {} virtual ~SfxPlayer() {} virtual Common::Error init(ResourceManager *resmgr, int expected_latency) = 0; @@ -96,12 +93,6 @@ public: ** Returns : (int) Common::kNoError on success, Common::kUnknownError on failure */ - virtual void maintenance() {} - /* Regularly called maintenance function - ** This function is called frequently and regularly (if present), it can be - ** used to emit sound. - */ - virtual void tell_synth(int buf_nr, byte *buf) = 0; /* Pass a raw MIDI event to the synth Parameters: (int) argc: Length of buffer holding the midi event diff --git a/engines/sci/sfx/player/new_player.cpp b/engines/sci/sfx/player/new_player.cpp index e725fc9da6..c5b158574f 100644 --- a/engines/sci/sfx/player/new_player.cpp +++ b/engines/sci/sfx/player/new_player.cpp @@ -36,37 +36,36 @@ namespace Sci { -// TODO: Turn the following static vars into member vars -static MidiPlayer *mididrv; +NewPlayer::NewPlayer() { + _mididrv = 0; -static SongIterator *play_it = NULL; -static Audio::Timestamp wakeup_time; -static Audio::Timestamp current_time; -static uint32 play_pause_diff; + _iterator = NULL; + _pauseTimeDiff = 0; -static int play_paused = 0; -static int play_it_done = 0; -static uint32 tempo; + _paused = false; + _iteratorIsDone = false; + _tempo = 0; -static Common::Mutex *mutex; -static int volume = 15; + _mutex = 0; + _volume = 15; +} -static void play_song(SongIterator *it) { - while (play_it && wakeup_time.msecsDiff(current_time) <= 0) { +void NewPlayer::play_song(SongIterator *it) { + while (_iterator && _wakeupTime.msecsDiff(_currentTime) <= 0) { int delay; byte buf[8]; int result; - switch ((delay = songit_next(&(play_it), + switch ((delay = songit_next(&(_iterator), buf, &result, IT_READER_MASK_ALL | IT_READER_MAY_FREE | IT_READER_MAY_CLEAN))) { case SI_FINISHED: - delete play_it; - play_it = NULL; - play_it_done = 1; + delete _iterator; + _iterator = NULL; + _iteratorIsDone = true; return; case SI_IGNORE: @@ -76,16 +75,16 @@ static void play_song(SongIterator *it) { break; case SI_PCM: - sfx_play_iterator_pcm(play_it, 0); + sfx_play_iterator_pcm(_iterator, 0); break; case 0: - static_cast<MidiDriver *>(mididrv)->send(buf[0], buf[1], buf[2]); + static_cast<MidiDriver *>(_mididrv)->send(buf[0], buf[1], buf[2]); break; default: - wakeup_time = wakeup_time.addFrames(delay); + _wakeupTime = _wakeupTime.addFrames(delay); } } } @@ -94,17 +93,19 @@ void NewPlayer::tell_synth(int buf_nr, byte *buf) { byte op1 = (buf_nr < 2 ? 0 : buf[1]); byte op2 = (buf_nr < 3 ? 0 : buf[2]); - static_cast<MidiDriver *>(mididrv)->send(buf[0], op1, op2); + static_cast<MidiDriver *>(_mididrv)->send(buf[0], op1, op2); } -static void player_timer_callback(void *refCon) { - Common::StackLock lock(*mutex); +void NewPlayer::player_timer_callback(void *refCon) { + NewPlayer *player = (NewPlayer *)refCon; + assert(refCon); + Common::StackLock lock(*player->_mutex); - if (play_it && !play_it_done && !play_paused) { - play_song(play_it); + if (player->_iterator && !player->_iteratorIsDone && !player->_paused) { + player->play_song(player->_iterator); } - current_time = current_time.addFrames(1); + player->_currentTime = player->_currentTime.addFrames(1); } /* API implementation */ @@ -114,111 +115,104 @@ Common::Error NewPlayer::init(ResourceManager *resmgr, int expected_latency) { switch(musicDriver) { case MD_ADLIB: - mididrv = new MidiPlayer_Adlib(); + _mididrv = new MidiPlayer_Adlib(); break; case MD_PCJR: - mididrv = new MidiPlayer_PCJr(); + _mididrv = new MidiPlayer_PCJr(); break; case MD_PCSPK: - mididrv = new MidiPlayer_PCSpeaker(); + _mididrv = new MidiPlayer_PCSpeaker(); break; default: break; } - assert(mididrv); + assert(_mididrv); - this->polyphony = mididrv->getPolyphony(); + _polyphony = _mididrv->getPolyphony(); - tempo = mididrv->getBaseTempo(); + _tempo = _mididrv->getBaseTempo(); uint32 time = g_system->getMillis(); - current_time = Audio::Timestamp(time, 1000000 / tempo); - wakeup_time = Audio::Timestamp(time, SFX_TICKS_PER_SEC); + _currentTime = Audio::Timestamp(time, 1000000 / _tempo); + _wakeupTime = Audio::Timestamp(time, SFX_TICKS_PER_SEC); - mutex = new Common::Mutex(); + _mutex = new Common::Mutex(); - mididrv->setTimerCallback(NULL, player_timer_callback); - mididrv->open(resmgr); - mididrv->setVolume(volume); + _mididrv->setTimerCallback(this, player_timer_callback); + _mididrv->open(resmgr); + _mididrv->setVolume(_volume); return Common::kNoError; } Common::Error NewPlayer::add_iterator(SongIterator *it, uint32 start_time) { - mutex->lock(); - SIMSG_SEND(it, SIMSG_SET_PLAYMASK(mididrv->getPlayMask())); - SIMSG_SEND(it, SIMSG_SET_RHYTHM(mididrv->hasRhythmChannel())); + Common::StackLock lock(*_mutex); + SIMSG_SEND(it, SIMSG_SET_PLAYMASK(_mididrv->getPlayMask())); + SIMSG_SEND(it, SIMSG_SET_RHYTHM(_mididrv->hasRhythmChannel())); - if (play_it == NULL) { + if (_iterator == NULL) { // Resync with clock - current_time = Audio::Timestamp(g_system->getMillis(), 1000000 / tempo); - wakeup_time = Audio::Timestamp(start_time, SFX_TICKS_PER_SEC); + _currentTime = Audio::Timestamp(g_system->getMillis(), 1000000 / _tempo); + _wakeupTime = Audio::Timestamp(start_time, SFX_TICKS_PER_SEC); } - play_it = sfx_iterator_combine(play_it, it); - play_it_done = 0; - mutex->unlock(); + _iterator = sfx_iterator_combine(_iterator, it); + _iteratorIsDone = false; return Common::kNoError; } Common::Error NewPlayer::stop(void) { - debug(3, "Player: Stopping song iterator %p", (void *)play_it); - mutex->lock(); - delete play_it; - play_it = NULL; + debug(3, "Player: Stopping song iterator %p", (void *)_iterator); + Common::StackLock lock(*_mutex); + delete _iterator; + _iterator = NULL; for (int i = 0; i < MIDI_CHANNELS; i++) - static_cast<MidiDriver *>(mididrv)->send(0xb0 + i, SCI_MIDI_CHANNEL_NOTES_OFF, 0); - mutex->unlock(); + static_cast<MidiDriver *>(_mididrv)->send(0xb0 + i, SCI_MIDI_CHANNEL_NOTES_OFF, 0); return Common::kNoError; } Common::Error NewPlayer::iterator_message(const SongIterator::Message &msg) { - Common::StackLock lock(*mutex); - if (!play_it) { + Common::StackLock lock(*_mutex); + if (!_iterator) { return Common::kUnknownError; } - songit_handle_message(&play_it, msg); + songit_handle_message(&_iterator, msg); return Common::kNoError; } Common::Error NewPlayer::pause(void) { - Common::StackLock lock(*mutex); + Common::StackLock lock(*_mutex); - play_paused = 1; - play_pause_diff = wakeup_time.msecsDiff(current_time); + _paused = true; + _pauseTimeDiff = _wakeupTime.msecsDiff(_currentTime); - mididrv->playSwitch(false); + _mididrv->playSwitch(false); return Common::kNoError; } Common::Error NewPlayer::resume(void) { - Common::StackLock lock(*mutex); + Common::StackLock lock(*_mutex); - wakeup_time = Audio::Timestamp(current_time.msecs() + play_pause_diff, SFX_TICKS_PER_SEC); - mididrv->playSwitch(true); - play_paused = 0; + _wakeupTime = Audio::Timestamp(_currentTime.msecs() + _pauseTimeDiff, SFX_TICKS_PER_SEC); + _mididrv->playSwitch(true); + _paused = false; return Common::kNoError; } Common::Error NewPlayer::exit(void) { - mididrv->close(); - delete mididrv; - delete mutex; - delete play_it; - play_it = NULL; + _mididrv->close(); + delete _mididrv; + delete _mutex; + delete _iterator; + _iterator = NULL; return Common::kNoError; } -NewPlayer::NewPlayer() { - name = "new"; - version = "0.1"; -} - } // End of namespace Sci diff --git a/engines/sci/sfx/player/new_player.h b/engines/sci/sfx/player/new_player.h index 63f9888bc2..38150af0da 100644 --- a/engines/sci/sfx/player/new_player.h +++ b/engines/sci/sfx/player/new_player.h @@ -30,7 +30,28 @@ namespace Sci { +class MidiPlayer; +class SongIterator; + class NewPlayer : public SfxPlayer { +protected: + MidiPlayer *_mididrv; + + SongIterator *_iterator; + Audio::Timestamp _wakeupTime; + Audio::Timestamp _currentTime; + uint32 _pauseTimeDiff; + + bool _paused; + bool _iteratorIsDone; + uint32 _tempo; + + Common::Mutex *_mutex; + int _volume; + + void play_song(SongIterator *it); + static void player_timer_callback(void *refCon); + public: NewPlayer(); |