virtual alure::SharedPtr<alure::Decoder> createDecoder(alure::UniquePtr<std::istream> &file)
{
static const std::array<DUH*(*)(DUMBFILE*),3> init_funcs{{
dumb_read_it, dumb_read_xm, dumb_read_s3m
}};
auto dfs = alure::MakeUnique<DUMBFILE_SYSTEM>();
dfs->open = nullptr;
dfs->skip = cb_skip;
dfs->getc = cb_read_char;
dfs->getnc = cb_read;
dfs->close = nullptr;
dfs->seek = cb_seek;
dfs->get_size = cb_get_size;
DUMBFILE *dfile = dumbfile_open_ex(file.get(), dfs.get());
if(!dfile) return nullptr;
ALuint freq = alure::Context::GetCurrent()->getDevice()->getFrequency();
DUH_SIGRENDERER *renderer;
DUH *duh;
for(auto init : init_funcs)
{
if((duh=init(dfile)) != nullptr)
{
if((renderer=duh_start_sigrenderer(duh, 0, 2, 0)) != nullptr)
return alure::MakeShared<DumbDecoder>(
std::move(file), std::move(dfs), dfile, duh, renderer, freq
);
unload_duh(duh);
duh = nullptr;
}
dumbfile_seek(dfile, 0, SEEK_SET);
}
if((duh=dumb_read_mod(dfile, 1)) != nullptr)
{
if((renderer=duh_start_sigrenderer(duh, 0, 2, 0)) != nullptr)
return alure::MakeShared<DumbDecoder>(
std::move(file), std::move(dfs), dfile, duh, renderer, freq
);
unload_duh(duh);
duh = nullptr;
}
dumbfile_close(dfile);
return nullptr;
}
int dumb_source_init(audio_source *src, const char* file, int channels, int freq, int resampler) {
dumb_source *local = malloc(sizeof(dumb_source));
// Load file and initialize renderer
char *ext = strrchr(file, '.') + 1;
if(strcasecmp(ext, "psm") == 0) {
local->data = dumb_load_psm(file, 0);
} else if(strcasecmp(ext, "s3m") == 0) {
local->data = dumb_load_s3m(file);
} else if(strcasecmp(ext, "mod") == 0) {
local->data = dumb_load_mod(file, 0);
} else if(strcasecmp(ext, "it") == 0) {
local->data = dumb_load_it(file);
} else if(strcasecmp(ext, "xm") == 0) {
local->data = dumb_load_xm(file);
} else {
PERROR("Libdumb Source: No suitable module decoder found.");
goto error_0;
}
if(!local->data) {
PERROR("Libdumb Source: Error while loading module file!");
goto error_0;
}
local->renderer = duh_start_sigrenderer(local->data, 0, channels, 0);
local->vlen = duh_get_length(local->data);
local->vpos = 0;
local->sig_samples = NULL;
local->sig_samples_size = 0;
// Set resampler here
dumb_it_set_resampling_quality(duh_get_it_sigrenderer(local->renderer), resampler);
// Audio information
source_set_frequency(src, freq);
source_set_bytes(src, 2);
source_set_channels(src, channels);
source_set_resampler(src, resampler);
// Set callbacks
source_set_userdata(src, local);
source_set_update_cb(src, dumb_source_update);
source_set_close_cb(src, dumb_source_close);
// Some debug info
DEBUG("Libdumb Source: Loaded file '%s' succesfully.", file);
// All done
return 0;
error_0:
free(local);
return 1;
}
// play a module using portaudio.
void play(DUH *duh) {
// init portaudio, redirecting stderr output temporarily; a lot of junk
// gets printed otherwise. this won't work on windows, but who cares?
int old_stderr = dup(2);
int new_stderr = open("/dev/null", O_WRONLY);
dup2(new_stderr, 2);
PaError err = Pa_Initialize();
close(new_stderr);
dup2(old_stderr, 2);
close(old_stderr);
if (err != paNoError)
die("could not init PortAudio: %s\n", Pa_GetErrorText(err));
atexit(&pa_terminate);
// get default device info
PaDeviceIndex index = Pa_GetDefaultOutputDevice();
if (index == paNoDevice)
die("could not get default output device\n");
callback_data cd;
const PaDeviceInfo *dev = Pa_GetDeviceInfo(index);
cd.sample_rate = dev->defaultSampleRate;
cd.delta = 65536.0f / cd.sample_rate;
// open and start output stream
PaStream *stream;
cd.sr = duh_start_sigrenderer(duh, 0, channels, 0);
err = Pa_OpenDefaultStream(&stream, 0, channels, paInt16,
dev->defaultSampleRate, paFramesPerBufferUnspecified,
callback, &cd);
if (err != paNoError) {
duh_end_sigrenderer(cd.sr);
unload_duh(duh);
die("could not open default stream: %s\n",
Pa_GetErrorText(err));
}
if ((err = Pa_StartStream(stream)) != paNoError) {
duh_end_sigrenderer(cd.sr);
unload_duh(duh);
die("could not start stream: %s\n", Pa_GetErrorText(err));
}
init_sigrenderer(cd.sr);
// play
while (Pa_IsStreamActive(stream) == 1)
Pa_Sleep(100);
// clean up
Pa_CloseStream(stream);
duh_end_sigrenderer(cd.sr);
}
void Tracker_Play(byte track, qboolean looping)
{
if(bTracker_Initialized == false)
return;
alGenSources((ALuint)1, &oss_source);
alSourcef(oss_source, AL_PITCH, 1);
alSourcef(oss_source, AL_GAIN, 1);
alSource3f(oss_source, AL_POSITION, 0, 0, 0);
alSource3f(oss_source, AL_VELOCITY, 0, 0, 0);
alSourcei(oss_source, AL_LOOPING, AL_FALSE);
alGenBuffers((ALuint)1, &oss_buffer);
dumb_register_stdfiles(); // Initialize loading files
// Attempt to load every format imaginable, TODO: better method?
sprintf (name, "%s/music/track%d.it", com_gamedir, track);
trackmod = dumb_load_it(name);
if (!trackmod) {
sprintf (name, "%s/music/track%d.xm", com_gamedir, track);
trackmod = dumb_load_xm(name);
if (!trackmod) {
sprintf (name, "%s/music/track%d.s3m", com_gamedir, track);
trackmod = dumb_load_s3m(name);
if (!trackmod) {
sprintf (name, "%s/music/track%d.mod", com_gamedir, track);
trackmod = dumb_load_mod(name);
if (!trackmod) {
fprintf(stderr, "Unable to open %s!\n", name);
return;
}
}
}
}
// Let us know which track you are playing
Con_Printf("Playing %s\n", name);
sr = duh_start_sigrenderer(trackmod, 0, n_channels, 0); // start rendering, action happens in Tracker_Update
if (!sr) { // If it doesn't want to render, stop it before it's too late
unload_duh(trackmod); // Unload the track safely
fprintf(stderr, "Unable to play file!\n");
return;
}
delta = 61536.0f / freq; // This affects the speed
bufsize = depth == 16 ? 2048 : 4096; // Buffer size, small buffer = laggy music; big buff = laggy game
bufsize /= n_channels; // Tell him we are hopefully stereo
playing = true; // Announce that we have a track playing
}
AL_DUH_PLAYER *al_start_duh(DUH *duh, int n_channels, long pos, float volume, long bufsize, int freq)
{
AL_DUH_PLAYER *dp;
/* This restriction is imposed by Allegro. */
ASSERT(n_channels > 0);
ASSERT(n_channels <= 2);
if (!duh)
return NULL;
dp = malloc(sizeof(*dp));
if (!dp)
return NULL;
dp->flags = ADP_PLAYING;
dp->bufsize = bufsize;
dp->freq = freq;
dp->stream = play_audio_stream(bufsize, 16, n_channels - 1, freq, 255, 128);
if (!dp->stream) {
free(dp);
return NULL;
}
voice_set_priority(dp->stream->voice, 255);
dp->sigrenderer = duh_start_sigrenderer(duh, 0, n_channels, pos);
if (!dp->sigrenderer) {
stop_audio_stream(dp->stream);
free(dp);
return NULL;
}
dp->volume = volume;
dp->silentcount = 0;
return dp;
}
static int
cdumb_startrenderer (DB_fileinfo_t *_info) {
dumb_info_t *info = (dumb_info_t *)_info;
// reopen
if (info->renderer) {
duh_end_sigrenderer (info->renderer);
info->renderer = NULL;
}
info->renderer = duh_start_sigrenderer (info->duh, 0, 2, 0);
if (!info->renderer) {
return -1;
}
DUMB_IT_SIGRENDERER *itsr = duh_get_it_sigrenderer (info->renderer);
dumb_it_set_loop_callback (itsr, &dumb_it_callback_terminate, NULL);
int q = conf_resampling_quality;
if (q < 0) {
q = 0;
}
else if (q >= DUMB_RQ_N_LEVELS) {
q = DUMB_RQ_N_LEVELS - 1;
}
dumb_it_set_resampling_quality (itsr, q);
dumb_it_set_xm_speed_zero_callback (itsr, &dumb_it_callback_terminate, NULL);
dumb_it_set_global_volume_zero_callback (itsr, &dumb_it_callback_terminate, NULL);
int rq = conf_ramping_style;
if (rq < 0) {
rq = 0;
}
else if (rq > 2) {
rq = 2;
}
dumb_it_set_ramp_style(itsr, rq);
dumb_it_sr_set_global_volume (itsr, conf_global_volume);
return 0;
}
// -----------------------------------------------------------------------------
// Loads mod data for playback
// -----------------------------------------------------------------------------
bool ModMusic::loadFromMemory(const uint8_t* data, const uint32_t size)
{
// Init DUMB if needed
if (!init_done_)
initDumb();
// Close current module if any
close();
// Load module file
dumb_module_ = dumb_read_any(dumbfile_open_memory((const char*)data, size), 0, 0);
if (dumb_module_ != nullptr)
{
initialize(2, 44100);
dumb_player_ = duh_start_sigrenderer(dumb_module_, 0, 2, 0);
return true;
}
else
{
Log::error("Failed to load module music data");
return false;
}
}
/* ModMusic::onSeek
* Called when seeking is requested on the sound stream
*******************************************************************/
void ModMusic::onSeek(sf::Time timeOffset)
{
long pos = static_cast<long>(timeOffset.asSeconds() * 65536);
dumb_player = duh_start_sigrenderer(dumb_module, 0, 2, pos);
//dumb_it_set_loop_callback(duh_get_it_sigrenderer(dumb_player), dumb_it_callback_terminate, NULL);
}
void* Init(const char* strFile, unsigned int filecache, int* channels,
int* samplerate, int* bitspersample, int64_t* totaltime,
int* bitrate, AEDataFormat* format, const AEChannel** channelinfo)
{
void* file = XBMC->OpenFile(strFile,0);
if (!file)
return NULL;
dumbfile_mem_status memdata;
memdata.size = XBMC->GetFileLength(file);
memdata.ptr = new uint8_t[memdata.size];
XBMC->ReadFile(file, const_cast<uint8_t*>(memdata.ptr), memdata.size);
XBMC->CloseFile(file);
DUMBFILE* f = dumbfile_open_ex(&memdata, &mem_dfs);
if (!f)
return NULL;
DumbContext* result = new DumbContext;
if (memdata.size >= 4 &&
memdata.ptr[0] == 'I' && memdata.ptr[1] == 'M' &&
memdata.ptr[2] == 'P' && memdata.ptr[3] == 'M')
{
result->module = dumb_read_it(f);
}
else if (memdata.size >= 17 &&
memcmp(memdata.ptr, "Extended Module: ", 17) == 0)
{
result->module = dumb_read_xm(f);
}
else if (memdata.size >= 0x30 &&
memdata.ptr[0x2C] == 'S' && memdata.ptr[0x2D] == 'C' &&
memdata.ptr[0x2E] == 'R' && memdata.ptr[0x2F] == 'M')
{
result->module = dumb_read_s3m(f);
}
else
{
dumbfile_close(f);
delete result;
return NULL;
}
dumbfile_close(f);
result->sr = duh_start_sigrenderer(result->module, 0, 2, 0);
if (!result->sr)
{
delete result;
return NULL;
}
*channels = 2;
*samplerate = 48000;
*bitspersample = 16;
*totaltime = duh_get_length(result->module)/65536*1000;
*format = AE_FMT_S16NE;
static enum AEChannel map[3] = { AE_CH_FL, AE_CH_FR , AE_CH_NULL};
*channelinfo = map;
*bitrate = duh_sigrenderer_get_n_channels(result->sr);
return result;
}
/* DEPRECATED */
DUH_SIGRENDERER *duh_start_renderer(DUH *duh, int n_channels, long pos)
{
return duh_start_sigrenderer(duh, 0, n_channels, pos);
}
bool MODDecoder::Open(CFErrorRef *error)
{
if(IsOpen()) {
log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger("org.sbooth.AudioEngine.AudioDecoder.MOD");
LOG4CXX_WARN(logger, "Open() called on an AudioDecoder that is already open");
return true;
}
// Ensure the input source is open
if(!mInputSource->IsOpen() && !mInputSource->Open(error))
return false;
dfs.open = NULL;
dfs.skip = skip_callback;
dfs.getc = getc_callback;
dfs.getnc = getnc_callback;
dfs.close = close_callback;
df = dumbfile_open_ex(this, &dfs);
if(NULL == df) {
return false;
}
CFStringRef fileSystemPath = CFURLCopyFileSystemPath(GetURL(), kCFURLPOSIXPathStyle);
CFStringRef extension = NULL;
CFRange range;
if(CFStringFindWithOptionsAndLocale(fileSystemPath, CFSTR("."), CFRangeMake(0, CFStringGetLength(fileSystemPath)), kCFCompareBackwards, CFLocaleGetSystem(), &range)) {
extension = CFStringCreateWithSubstring(kCFAllocatorDefault, fileSystemPath, CFRangeMake(range.location + 1, CFStringGetLength(fileSystemPath) - range.location - 1));
}
CFRelease(fileSystemPath), fileSystemPath = NULL;
if(NULL == extension) {
return false;
}
// Attempt to create the appropriate decoder based on the file's extension
if(kCFCompareEqualTo == CFStringCompare(extension, CFSTR("it"), kCFCompareCaseInsensitive))
duh = dumb_read_it(df);
else if(kCFCompareEqualTo == CFStringCompare(extension, CFSTR("xm"), kCFCompareCaseInsensitive))
duh = dumb_read_xm(df);
else if(kCFCompareEqualTo == CFStringCompare(extension, CFSTR("s3m"), kCFCompareCaseInsensitive))
duh = dumb_read_s3m(df);
else if(kCFCompareEqualTo == CFStringCompare(extension, CFSTR("mod"), kCFCompareCaseInsensitive))
duh = dumb_read_mod(df);
CFRelease(extension), extension = NULL;
if(NULL == duh) {
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
32,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mInputSource->GetURL());
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid MOD file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not a MOD file"), ""));
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedRecoverySuggestionKey,
CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), ""));
CFRelease(errorString), errorString = NULL;
CFRelease(displayName), displayName = NULL;
*error = CFErrorCreate(kCFAllocatorDefault,
AudioDecoderErrorDomain,
AudioDecoderInputOutputError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
if(df)
dumbfile_close(df), df = NULL;
return false;
}
mTotalFrames = duh_get_length(duh);
dsr = duh_start_sigrenderer(duh, 0, 2, 0);
if(NULL == dsr) {
if(error) {
CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault,
32,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFStringRef displayName = CreateDisplayNameForURL(mInputSource->GetURL());
CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault,
NULL,
CFCopyLocalizedString(CFSTR("The file “%@” is not a valid MOD file."), ""),
displayName);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedDescriptionKey,
errorString);
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedFailureReasonKey,
CFCopyLocalizedString(CFSTR("Not a MOD file"), ""));
CFDictionarySetValue(errorDictionary,
kCFErrorLocalizedRecoverySuggestionKey,
CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), ""));
CFRelease(errorString), errorString = NULL;
CFRelease(displayName), displayName = NULL;
*error = CFErrorCreate(kCFAllocatorDefault,
AudioDecoderErrorDomain,
AudioDecoderInputOutputError,
errorDictionary);
CFRelease(errorDictionary), errorDictionary = NULL;
}
if(df)
dumbfile_close(df), df = NULL;
if(duh)
unload_duh(duh), duh = NULL;
return false;
}
// Generate interleaved 2 channel 44.1 16-bit output
mFormat.mFormatID = kAudioFormatLinearPCM;
mFormat.mFormatFlags = kAudioFormatFlagsNativeEndian | kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked;
mFormat.mSampleRate = DUMB_SAMPLE_RATE;
mFormat.mChannelsPerFrame = DUMB_CHANNELS;
mFormat.mBitsPerChannel = DUMB_BIT_DEPTH;
mFormat.mBytesPerPacket = (mFormat.mBitsPerChannel / 8) * mFormat.mChannelsPerFrame;
mFormat.mFramesPerPacket = 1;
mFormat.mBytesPerFrame = mFormat.mBytesPerPacket * mFormat.mFramesPerPacket;
mFormat.mReserved = 0;
// Set up the source format
mSourceFormat.mFormatID = 'MOD ';
mSourceFormat.mSampleRate = DUMB_SAMPLE_RATE;
mSourceFormat.mChannelsPerFrame = DUMB_CHANNELS;
// Setup the channel layout
mChannelLayout = CreateChannelLayoutWithTag(kAudioChannelLayoutTag_Stereo);
mIsOpen = true;
return true;
}
int main(int argc, char *argv[]) {
int retcode = 1;
int nerrors = 0;
streamer_t streamer;
memset(&streamer, 0, sizeof(streamer_t));
// Signal handlers
signal(SIGINT, sig_fn);
signal(SIGTERM, sig_fn);
// Initialize SDL2
if (SDL_Init(SDL_INIT_AUDIO) != 0) {
fprintf(stderr, "%s\n", SDL_GetError());
return 1;
}
// Defaults
streamer.freq = 44100;
streamer.n_channels = 2;
streamer.bits = 16;
streamer.volume = 1.0f;
streamer.quality = DUMB_RQ_CUBIC;
// commandline argument parser options
struct arg_lit *arg_help =
arg_lit0("h", "help", "print this help and exits");
struct arg_dbl *arg_volume =
arg_dbl0("v", "volume", "<volume",
"sets the output volume (-8.0 to +8.0, default 1.0)");
struct arg_int *arg_samplerate = arg_int0(
"s", "samplerate", "<freq>", "sets the sampling rate (default 44100)");
struct arg_int *arg_quality = arg_int0(
"r", "quality", "<quality>", "specify the resampling quality to use");
struct arg_lit *arg_mono =
arg_lit0("m", "mono", "generate mono output instead of stereo");
struct arg_lit *arg_eight =
arg_lit0("8", "eight", "generate 8-bit instead of 16-bit");
struct arg_lit *arg_noprogress =
arg_lit0("n", "noprogress", "hide progress bar");
struct arg_file *arg_output =
arg_file0("o", "output", "<file>", "output file");
struct arg_file *arg_input =
arg_file1(NULL, NULL, "<file>", "input module file");
struct arg_end *arg_fend = arg_end(20);
void *argtable[] = {arg_help, arg_input, arg_volume,
arg_samplerate, arg_quality, arg_mono,
arg_eight, arg_noprogress, arg_fend};
const char *progname = "dumbplay";
// Make sure everything got allocated
if (arg_nullcheck(argtable) != 0) {
fprintf(stderr, "%s: insufficient memory\n", progname);
goto exit_0;
}
// Parse inputs
nerrors = arg_parse(argc, argv, argtable);
// Handle help
if (arg_help->count > 0) {
fprintf(stderr, "Usage: %s", progname);
arg_print_syntax(stderr, argtable, "\n");
fprintf(stderr, "\nArguments:\n");
arg_print_glossary(stderr, argtable, "%-25s %s\n");
goto exit_0;
}
// Handle libargtable errors
if (nerrors > 0) {
arg_print_errors(stderr, arg_fend, progname);
fprintf(stderr, "Try '%s --help' for more information.\n", progname);
goto exit_0;
}
// Handle the switch options
streamer.input = arg_input->filename[0];
if (arg_eight->count > 0) {
streamer.bits = 8;
}
if (arg_mono->count > 0) {
streamer.n_channels = 1;
}
if (arg_noprogress->count > 0) {
streamer.no_progress = true;
}
if (arg_volume->count > 0) {
streamer.volume = arg_volume->dval[0];
if (streamer.volume < -8.0f || streamer.volume > 8.0f) {
fprintf(stderr, "Volume must be between -8.0f and 8.0f.\n");
goto exit_0;
}
}
if (arg_samplerate->count > 0) {
streamer.freq = arg_samplerate->ival[0];
if (streamer.freq < 1 || streamer.freq > 96000) {
fprintf(stderr, "Sampling rate must be between 1 and 96000.\n");
goto exit_0;
}
}
if (arg_quality->count > 0) {
streamer.quality = arg_quality->ival[0];
if (streamer.quality < 0 || streamer.quality >= DUMB_RQ_N_LEVELS) {
fprintf(stderr, "Quality must be between %d and %d.\n", 0,
DUMB_RQ_N_LEVELS - 1);
goto exit_0;
}
}
// Load source file.
dumb_register_stdfiles();
streamer.src = dumb_load_any(streamer.input, 0, 0);
if (!streamer.src) {
fprintf(stderr, "Unable to load file %s for playback!\n",
streamer.input);
goto exit_0;
}
// Set up playback
streamer.renderer =
duh_start_sigrenderer(streamer.src, 0, streamer.n_channels, 0);
streamer.delta = 65536.0f / streamer.freq;
streamer.sbytes = (streamer.bits / 8) * streamer.n_channels;
streamer.ssize = duh_get_length(streamer.src);
// Stop producing samples on module end
DUMB_IT_SIGRENDERER *itsr = duh_get_it_sigrenderer(streamer.renderer);
dumb_it_set_loop_callback(itsr, &dumb_it_callback_terminate, NULL);
dumb_it_set_xm_speed_zero_callback(itsr, &dumb_it_callback_terminate, NULL);
dumb_it_set_resampling_quality(itsr, streamer.quality);
// Set up the SDL2 format we want for playback.
SDL_AudioSpec want;
SDL_zero(want);
want.freq = streamer.freq;
want.format = (streamer.bits == 16) ? AUDIO_S16 : AUDIO_S8;
want.channels = streamer.n_channels;
want.samples = SAMPLES;
want.callback = stream_audio;
want.userdata = &streamer;
// Find SDL2 audio device, and request the format we just set up.
// SDL2 will tell us what we got in the "have" struct.
SDL_AudioSpec have;
streamer.dev = SDL_OpenAudioDevice(NULL, 0, &want, &have, 0);
if (streamer.dev == 0) {
fprintf(stderr, "%s\n", SDL_GetError());
goto exit_1;
}
// Make sure we got the format we wanted. If not, stop here.
if (have.format != want.format) {
fprintf(stderr, "Could not get correct playback format.\n");
goto exit_2;
}
// Play file
SDL_PauseAudioDevice(streamer.dev, 0);
// Show initial state of the progress bar (if it is enabled)
int time_start = SDL_GetTicks();
float seek = 0.0f;
int ms_played = 0;
if (!streamer.no_progress) {
show_progress(PROGRESSBAR_LENGTH, seek, ms_played);
}
// Loop while dumb is still giving data. Update progressbar if enabled.
while (!stop_signal && !streamer.ended) {
if (!streamer.no_progress) {
seek = ((float)streamer.spos) / ((float)streamer.ssize);
ms_played = SDL_GetTicks() - time_start;
show_progress(PROGRESSBAR_LENGTH, seek, ms_played);
}
SDL_Delay(100);
}
// We made it this far without crashing, so let's just exit with no error :)
retcode = 0;
// Free up resources and exit.
if (streamer.sig_samples) {
destroy_sample_buffer(streamer.sig_samples);
}
exit_2:
SDL_CloseAudioDevice(streamer.dev);
exit_1:
if (streamer.renderer) {
duh_end_sigrenderer(streamer.renderer);
}
if (streamer.src) {
unload_duh(streamer.src);
}
exit_0:
arg_freetable(argtable, sizeof(argtable) / sizeof(argtable[0]));
SDL_Quit();
return retcode;
}
bool SFB::Audio::MODDecoder::_Open(CFErrorRef *error)
{
dfs.open = nullptr;
dfs.skip = skip_callback;
dfs.getc = getc_callback;
dfs.getnc = getnc_callback;
dfs.close = close_callback;
df = unique_DUMBFILE_ptr(dumbfile_open_ex(this, &dfs), dumbfile_close);
if(!df) {
return false;
}
SFB::CFString pathExtension = CFURLCopyPathExtension(GetURL());
if(nullptr == pathExtension)
return false;
// Attempt to create the appropriate decoder based on the file's extension
if(kCFCompareEqualTo == CFStringCompare(pathExtension, CFSTR("it"), kCFCompareCaseInsensitive))
duh = unique_DUH_ptr(dumb_read_it(df.get()), unload_duh);
else if(kCFCompareEqualTo == CFStringCompare(pathExtension, CFSTR("xm"), kCFCompareCaseInsensitive))
duh = unique_DUH_ptr(dumb_read_xm(df.get()), unload_duh);
else if(kCFCompareEqualTo == CFStringCompare(pathExtension, CFSTR("s3m"), kCFCompareCaseInsensitive))
duh = unique_DUH_ptr(dumb_read_s3m(df.get()), unload_duh);
else if(kCFCompareEqualTo == CFStringCompare(pathExtension, CFSTR("mod"), kCFCompareCaseInsensitive))
duh = unique_DUH_ptr(dumb_read_mod(df.get()), unload_duh);
if(!duh) {
if(error) {
SFB::CFString description = CFCopyLocalizedString(CFSTR("The file “%@” is not a valid MOD file."), "");
SFB::CFString failureReason = CFCopyLocalizedString(CFSTR("Not a MOD file"), "");
SFB::CFString recoverySuggestion = CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), "");
*error = CreateErrorForURL(Decoder::ErrorDomain, Decoder::InputOutputError, description, mInputSource->GetURL(), failureReason, recoverySuggestion);
}
return false;
}
// NB: This must change if the sample rate changes because it is based on 65536 Hz
mTotalFrames = duh_get_length(duh.get());
dsr = unique_DUH_SIGRENDERER_ptr(duh_start_sigrenderer(duh.get(), 0, 2, 0), duh_end_sigrenderer);
if(!dsr) {
if(error) {
SFB::CFString description = CFCopyLocalizedString(CFSTR("The file “%@” is not a valid MOD file."), "");
SFB::CFString failureReason = CFCopyLocalizedString(CFSTR("Not a MOD file"), "");
SFB::CFString recoverySuggestion = CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), "");
*error = CreateErrorForURL(Decoder::ErrorDomain, Decoder::InputOutputError, description, mInputSource->GetURL(), failureReason, recoverySuggestion);
}
return false;
}
// Generate interleaved 2 channel 44.1 16-bit output
mFormat.mFormatID = kAudioFormatLinearPCM;
mFormat.mFormatFlags = kAudioFormatFlagsNativeEndian | kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked;
mFormat.mSampleRate = DUMB_SAMPLE_RATE;
mFormat.mChannelsPerFrame = DUMB_CHANNELS;
mFormat.mBitsPerChannel = DUMB_BIT_DEPTH;
mFormat.mBytesPerPacket = (mFormat.mBitsPerChannel / 8) * mFormat.mChannelsPerFrame;
mFormat.mFramesPerPacket = 1;
mFormat.mBytesPerFrame = mFormat.mBytesPerPacket * mFormat.mFramesPerPacket;
mFormat.mReserved = 0;
// Set up the source format
mSourceFormat.mFormatID = 'MOD ';
mSourceFormat.mSampleRate = DUMB_SAMPLE_RATE;
mSourceFormat.mChannelsPerFrame = DUMB_CHANNELS;
// Setup the channel layout
mChannelLayout = ChannelLayout::ChannelLayoutWithTag(kAudioChannelLayoutTag_Stereo);
return true;
}
