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Location: cpp/openttd-patchpack/source/src/music/libtimidity.cpp
r7553:1f8dacb4cfbd
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(svn r11078) -Add: added 32bpp-optimized, which is almost twice as fast as 32bpp-simple (based on the work of frosch)
-Add: let 32bpp-anim use 32bpp-optimizeds, so he profits from the speed-up too
-Add: let 32bpp-anim use 32bpp-optimizeds, so he profits from the speed-up too
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | /* $Id$ */
#include "../stdafx.h"
#include "../openttd.h"
#include "../sound.h"
#include "../string.h"
#include "../variables.h"
#include "../debug.h"
#include "libtimidity.h"
#include <fcntl.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <signal.h>
#include <sys/stat.h>
#include <errno.h>
#include <timidity.h>
#if defined(PSP)
#include <pspaudiolib.h>
#endif /* PSP */
enum MidiState {
MIDI_STOPPED = 0,
MIDI_PLAYING = 1,
};
static struct {
MidIStream *stream;
MidSongOptions options;
MidSong *song;
MidiState status;
uint32 song_length;
uint32 song_position;
} _midi;
#if defined(PSP)
static void AudioOutCallback(void *buf, unsigned int _reqn, void *userdata)
{
memset(buf, 0, _reqn * PSP_NUM_AUDIO_CHANNELS);
if (_midi.status == MIDI_PLAYING) {
mid_song_read_wave(_midi.song, buf, _reqn * PSP_NUM_AUDIO_CHANNELS);
}
}
#endif /* PSP */
static FMusicDriver_LibTimidity iFMusicDriver_LibTimidity;
const char *MusicDriver_LibTimidity::Start(const char *const *param)
{
_midi.status = MIDI_STOPPED;
if (mid_init(param == NULL ? NULL : (char *)param[0]) < 0) {
/* If init fails, it can be because no configuration was found.
* If it was not forced via param, try to load it without a
* configuration. Who knows that works. */
if (param != NULL || mid_init_no_config() < 0) {
return "error initializing timidity";
}
}
DEBUG(driver, 1, "successfully initialised timidity");
_midi.options.rate = 44100;
_midi.options.format = MID_AUDIO_S16LSB;
_midi.options.channels = 2;
#if defined(PSP)
_midi.options.buffer_size = PSP_NUM_AUDIO_SAMPLES;
#else
_midi.options.buffer_size = _midi.options.rate;
#endif
#if defined(PSP)
pspAudioInit();
pspAudioSetChannelCallback(_midi.options.channels, &AudioOutCallback, NULL);
pspAudioSetVolume(_midi.options.channels, PSP_VOLUME_MAX, PSP_VOLUME_MAX);
#endif /* PSP */
return NULL;
}
void MusicDriver_LibTimidity::Stop()
{
if (_midi.status == MIDI_PLAYING) {
_midi.status = MIDI_STOPPED;
mid_song_free(_midi.song);
}
mid_exit();
}
void MusicDriver_LibTimidity::PlaySong(const char *filename)
{
_midi.stream = mid_istream_open_file(filename);
if (_midi.stream == NULL) {
DEBUG(driver, 0, "Could not open music file");
return;
}
_midi.song = mid_song_load(_midi.stream, &_midi.options);
mid_istream_close(_midi.stream);
_midi.song_length = mid_song_get_total_time(_midi.song);
if (_midi.song == NULL) {
DEBUG(driver, 1, "Invalid MIDI file");
return;
}
mid_song_start(_midi.song);
_midi.status = MIDI_PLAYING;
}
void MusicDriver_LibTimidity::StopSong()
{
_midi.status = MIDI_STOPPED;
mid_song_free(_midi.song);
}
bool MusicDriver_LibTimidity::IsSongPlaying()
{
if (_midi.status == MIDI_PLAYING) {
_midi.song_position = mid_song_get_time(_midi.song);
if (_midi.song_position >= _midi.song_length) {
_midi.status = MIDI_STOPPED;
_midi.song_position = 0;
}
}
return (_midi.status == MIDI_PLAYING);
}
void MusicDriver_LibTimidity::SetVolume(byte vol)
{
if (_midi.song != NULL)
mid_song_set_volume(_midi.song, vol);
}
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