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diff --git a/util/music-player.cpp b/util/music-player.cpp
index 11f73f91..f0ea9f75 100644
--- a/util/music-player.cpp
+++ b/util/music-player.cpp
@@ -1,489 +1,488 @@
#ifdef USE_ALLEGRO
#include <allegro.h>
#endif
#include "music-player.h"
#include "globals.h"
#include "util/debug.h"
#include <iostream>
#include "configuration.h"
#include "sound.h"
#include "dumb/include/dumb.h"
#include "gme/Music_Emu.h"
#include "exceptions/exception.h"
#include <sstream>
#ifdef USE_ALLEGRO5
#include <allegro5/allegro_audio.h>
#endif
#ifdef USE_ALLEGRO
#include "dumb/include/aldumb.h"
#include "ogg/logg.h"
#ifdef _WIN32
/* what do we need winalleg for?
* reason: ...
*/
#include <winalleg.h>
#endif
#endif
#ifdef HAVE_MP3_MPG123
#include <mpg123.h>
#endif
#ifdef HAVE_MP3_MAD
#include <mad.h>
#endif
#ifdef USE_SDL
#include "sdl/mixer/SDL_mixer.h"
#endif
namespace Util{
class MusicException: public Exception::Base {
public:
MusicException(const std::string & file, int line, const std::string & reason):
Exception::Base(file, line),
reason(reason){
}
MusicException(const MusicException & copy):
Exception::Base(copy),
reason(copy.reason){
}
virtual ~MusicException() throw(){
}
protected:
virtual const std::string getReason() const {
return reason;
}
virtual Exception::Base * copy() const {
return new MusicException(*this);
}
std::string reason;
};
static double scaleVolume(double start){
return start;
}
#ifdef USE_ALLEGRO5
const int DUMB_SAMPLES = 1024;
MusicRenderer::MusicRenderer(){
stream = al_create_audio_stream(2, DUMB_SAMPLES, Sound::FREQUENCY, ALLEGRO_AUDIO_DEPTH_INT16, ALLEGRO_CHANNEL_CONF_2);
if (!stream){
throw MusicException(__FILE__, __LINE__, "Could not create allegro5 audio stream");
}
queue = al_create_event_queue();
al_register_event_source(queue, al_get_audio_stream_event_source(stream));
}
void MusicRenderer::play(MusicPlayer & player){
al_attach_audio_stream_to_mixer(stream, al_get_default_mixer());
}
void MusicRenderer::pause(){
al_detach_audio_stream(stream);
}
MusicRenderer::~MusicRenderer(){
al_destroy_audio_stream(stream);
al_destroy_event_queue(queue);
}
void MusicRenderer::poll(MusicPlayer & player){
ALLEGRO_EVENT event;
while (al_get_next_event(queue, &event)){
if (event.type == ALLEGRO_EVENT_AUDIO_STREAM_FRAGMENT) {
ALLEGRO_AUDIO_STREAM * stream = (ALLEGRO_AUDIO_STREAM *) event.any.source;
void * data = al_get_audio_stream_fragment(stream);
if (data != NULL){
player.render(data, al_get_audio_stream_length(stream));
al_set_audio_stream_fragment(stream, data);
}
}
}
}
#elif USE_SDL
MusicRenderer::MusicRenderer(){
}
void MusicRenderer::mixer(void * arg, Uint8 * stream, int bytes){
MusicPlayer * player = (MusicPlayer*) arg;
player->render(stream, bytes / 4);
}
void MusicRenderer::play(MusicPlayer & player){
Mix_HookMusic(mixer, &player);
}
void MusicRenderer::pause(){
Mix_HookMusic(NULL, NULL);
}
void MusicRenderer::poll(MusicPlayer & player){
}
MusicRenderer::~MusicRenderer(){
Mix_HookMusic(NULL, NULL);
}
#elif USE_ALLEGRO
int BUFFER_SIZE = 1 << 11;
static int ALLEGRO_MONO = 0;
static int ALLEGRO_STEREO = 1;
MusicRenderer::MusicRenderer(){
stream = play_audio_stream(BUFFER_SIZE, 16, ALLEGRO_STEREO, Sound::FREQUENCY, 255, 128);
voice_set_priority(stream->voice, 255);
}
void MusicRenderer::play(MusicPlayer & player){
voice_start(stream->voice);
}
void MusicRenderer::pause(){
voice_stop(stream->voice);
}
void MusicRenderer::poll(MusicPlayer & player){
short * buffer = (short*) get_audio_stream_buffer(stream);
if (buffer){
player.render(buffer, BUFFER_SIZE);
/* allegro wants unsigned data but gme produces signed so to convert
* signed samples to unsigned samples we have to raise each value
* by half the maximum value of a short (0xffff+1)/2 = 0x8000
*/
for (int i = 0; i < BUFFER_SIZE * 2; i++){
buffer[i] += 0x8000;
}
free_audio_stream_buffer(stream);
}
}
MusicRenderer::~MusicRenderer(){
stop_audio_stream(stream);
}
#endif
MusicPlayer::MusicPlayer():
volume(1.0),
out(new MusicRenderer()){
}
MusicPlayer::~MusicPlayer(){
}
void MusicPlayer::play(){
out->play(*this);
}
void MusicPlayer::pause(){
out->pause();
}
void MusicPlayer::poll(){
out->poll(*this);
}
static const char * typeToExtension( int i ){
switch (i){
case 0 : return ".xm";
case 1 : return ".s3m";
case 2 : return ".it";
case 3 : return ".mod";
default : return "";
}
}
/* expects each sample to be 4 bytes, 2 bytes per sample * 2 channels */
DumbPlayer::DumbPlayer(const char * path){
music_file = loadDumbFile(path);
if (music_file == NULL){
std::ostringstream error;
error << "Could not load DUMB file " << path;
throw MusicException(__FILE__, __LINE__, error.str());
}
int n_channels = 2;
int position = 0;
renderer = duh_start_sigrenderer(music_file, 0, n_channels, position);
if (!renderer){
Global::debug(0) << "Could not create renderer" << std::endl;
throw Exception::Base(__FILE__, __LINE__);
}
}
void DumbPlayer::render(void * data, int samples){
double delta = 65536.0 / Sound::FREQUENCY;
/* FIXME: use global music volume to scale the output here */
int n = duh_render(renderer, 16, 0, volume, delta, samples, data);
}
void DumbPlayer::setVolume(double volume){
this->volume = volume;
}
DumbPlayer::~DumbPlayer(){
duh_end_sigrenderer(renderer);
unload_duh(music_file);
}
DUH * DumbPlayer::loadDumbFile(const char * path){
DUH * what;
for (int i = 0; i < 4; i++){
/* the order of trying xm/s3m/it/mod matters because mod could be
* confused with one of the other formats, so load it last.
*/
switch (i){
case 0 : {
what = dumb_load_xm_quick(path);
break;
}
case 1 : {
what = dumb_load_s3m_quick(path);
break;
}
case 2 : {
what = dumb_load_it_quick(path);
break;
}
case 3 : {
what = dumb_load_mod_quick(path);
break;
}
}
if (what != NULL){
Global::debug(0) << "Loaded " << path << " type " << typeToExtension(i) << "(" << i << ")" << std::endl;
return what;
}
}
return NULL;
}
GMEPlayer::GMEPlayer(const char * path):
emulator(NULL){
gme_err_t fail = gme_open_file(path, &emulator, Sound::FREQUENCY);
if (fail != NULL){
Global::debug(0) << "GME load error for " << path << ": " << fail << std::endl;
throw MusicException(__FILE__, __LINE__, "Could not load GME file");
}
emulator->start_track(0);
Global::debug(0) << "Loaded GME file " << path << std::endl;
}
void GMEPlayer::render(void * stream, int length){
/* length/2 to convert bytes to short */
emulator->play(length * 2, (short*) stream);
if (emulator->track_ended()){
gme_info_t * info;
gme_track_info(emulator, &info, 0);
int intro = info->intro_length;
emulator->start_track(0);
// Global::debug(0) << "Seeking " << intro << "ms. Track length " << info->length << "ms" << std::endl;
/* skip past the intro if there is a loop */
if (info->loop_length != 0){
emulator->seek(intro);
}
}
/* scale for volume */
for (int i = 0; i < length * 2; i++){
short & sample = ((short *) stream)[i];
sample *= volume;
}
/*
short large = 0;
short small = 0;
for (int i = 0; i < length / 2; i++){
// ((short *) stream)[i] *= 2;
short z = ((short *) stream)[i];
if (z < small){
small = z;
}
if (z > large){
large = z;
}
}
Global::debug(0) << "Largest " << large << " Smallest " << small << std::endl;
*/
}
void GMEPlayer::setVolume(double volume){
this->volume = volume;
}
GMEPlayer::~GMEPlayer(){
delete emulator;
}
#ifdef HAVE_MP3_MPG123
/* initialize the mpg123 library and open up an mp3 file for reading */
static void initializeMpg123(mpg123_handle ** mp3, const char * path){
/* Initialize */
if (mpg123_init() != MPG123_OK){
throw MusicException(__FILE__, __LINE__, "Could not initialize mpg123");
}
try{
*mp3 = mpg123_new(NULL, NULL);
if (*mp3 == NULL){
throw MusicException(__FILE__,__LINE__, "Could not allocate mpg handle");
}
mpg123_format_none(*mp3);
/* allegro wants unsigned samples but mpg123 can't actually provide unsigned
* samples even though it has an enum for it, MPG123_ENC_UNSIGNED_16. this
* was rectified in 1.13.0 or something, but for now signed samples are ok.
*/
int error = mpg123_format(*mp3, Sound::FREQUENCY, MPG123_STEREO, MPG123_ENC_SIGNED_16);
if (error != MPG123_OK){
Global::debug(0) << "Could not set format for mpg123 handle" << std::endl;
}
/* FIXME workaround for libmpg issues with "generic" decoder frequency not being set */
error = mpg123_open(*mp3, (char*) path);
if (error == -1){
std::ostringstream error;
error << "Could not open mpg123 file " << path << " error code " << error;
throw MusicException(__FILE__,__LINE__, error.str());
}
/* reading a frame is the only surefire way to get mpg123 to set the
* sampling_frequency which it needs to set the decoder a few lines below
*/
size_t dont_care;
unsigned char tempBuffer[4096];
error = mpg123_read(*mp3, tempBuffer, sizeof(tempBuffer), &dont_care);
if (!(error == MPG123_OK || error == MPG123_NEW_FORMAT)){
std::ostringstream error;
error << "Could not read mpg123 file " << path << " error code " << error;
throw MusicException(__FILE__,__LINE__, error.str());
}
mpg123_close(*mp3);
/* stream has progressed a little bit so reset it by opening it again */
error = mpg123_open(*mp3, (char*) path);
if (error == -1){
std::ostringstream error;
error << "Could not open mpg123 file " << path << " error code " << error;
throw MusicException(__FILE__,__LINE__, error.str());
}
/* FIXME end */
/* some of the native decoders aren't stable in older versions of mpg123
* so just use generic for now. 1.13.1 should work better
*/
error = mpg123_decoder(*mp3, "generic");
if (error != MPG123_OK){
std::ostringstream error;
error << "Could not use 'generic' mpg123 decoder for " << path << " error code " << error;
throw MusicException(__FILE__,__LINE__, error.str());
}
// Global::debug(0) << "mpg support " << mpg123_format_support(mp3, Sound::FREQUENCY, MPG123_ENC_SIGNED_16) << std::endl;
/*
double base, really, rva;
mpg123_getvolume(*mp3, &base, &really, &rva);
// Global::debug(0) << "mpg volume base " << base << " really " << really << " rva " << rva << std::endl;
base_volume = base;
long rate;
int channels, encoding;
mpg123_getformat(*mp3, &rate, &channels, &encoding);
// Global::debug(0) << path << " rate " << rate << " channels " << channels << " encoding " << encoding << std::endl;
*/
} catch (const MusicException & fail){
if (*mp3 != NULL){
mpg123_close(*mp3);
mpg123_delete(*mp3);
*mp3 = NULL;
}
mpg123_exit();
throw;
}
}
static const int MPG123_BUFFER_SIZE = 1 << 11;
Mp3Player::Mp3Player(const char * path):
mp3(NULL){
initializeMpg123(&mp3, path);
long rate = 0;
int channels = 0, encoding = 0;
mpg123_getformat(mp3, &rate, &channels, &encoding);
}
void Mp3Player::render(void * data, int samples){
/* buffer * 4 for 16 bits per sample * 2 samples for stereo */
size_t out = 0;
mpg123_read(mp3, (unsigned char *) data, samples * 4, &out);
/*
long rate;
int channels, encoding;
mpg123_getformat(mp3, &rate, &channels, &encoding);
Global::debug(0) << "rate " << rate << " channels " << channels << " encoding " << encoding << std::endl;
*/
}
void Mp3Player::setVolume(double volume){
mpg123_volume(mp3, volume);
/*
this->volume = volume;
// mpg123_volume(mp3, volume * base_volume / 5000);
mpg123_volume(mp3, 0.0001);
*/
// mpg123_volume(mp3, volume);
}
Mp3Player::~Mp3Player(){
mpg123_close(mp3);
mpg123_exit();
}
#endif /* MP3_MPG123 */
#ifdef HAVE_OGG
OggPlayer::OggPlayer(const char * path){
}
void OggPlayer::render(void * data, int length){
}
void OggPlayer::setVolume(double volume){
this->volume = volume;
// Mix_VolumeMusic(volume * MIX_MAX_VOLUME);
}
OggPlayer::~OggPlayer(){
}
#endif /* OGG */
#ifdef HAVE_MP3_MAD
/* TODO */
-Mp3Player::Mp3Player(const char * path):
-stream(NULL){
+Mp3Player::Mp3Player(const char * path){
/* TODO */
}
void Mp3Player::setVolume(double volume){
/* TODO */
}
Mp3Player::~Mp3Player(){
/* TODO */
}
#endif /* MP3_MAD */
}

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