int DM_Music_PlayFile(const char *filename, int looped)
{
if(!filename) return false;
if(!fluid_is_midifile(filename))
{
// It doesn't look like MIDI.
App_Log(DE2_LOG_VERBOSE, "[FluidSynth] Cannot play \"%s\": not a MIDI file", filename);
return false;
}
if(sfontId < 0)
{
App_Log(DE2_LOG_VERBOSE, "[FluidSynth] Cannot play \"%s\" without an SF2 soundfont", filename);
return false;
}
// If we are playing something, make sure it's stopped.
stopPlayer();
DENG_ASSERT(fsPlayer == NULL);
// Create a new player.
fsPlayer = new_fluid_player(DMFluid_Synth());
fluid_player_add(fsPlayer, filename);
fluid_player_set_loop(fsPlayer, looped? -1 /*infinite times*/ : 1);
fluid_player_play(fsPlayer);
startPlayer();
DSFLUIDSYNTH_TRACE("PlayFile: playing '" << filename << "' using player "
<< fsPlayer << " looped:" << looped << " sfont:" << sfontId);
return true;
}
void midiStreamCallback(void* userData, u32 requestedChunkSize, u8* chunkData)
{
LOCK();
s32 soundSize = 0;
s32 totalSize = 0;
while (totalSize < (s32)requestedChunkSize)
{
if (s_midiFormat == MFMT_GUS_PATCH)
{
soundSize = WildMidi_GetOutput(s_song, (char*)&chunkData[totalSize], requestedChunkSize-totalSize);
}
else if (s_midiFormat == MFMT_SOUND_FONT)
{
if (!s_fluidPlaying)
{
fluid_player_play( s_fluidPlayer );
fluid_player_set_loop(s_fluidPlayer, -1);
s_fluidPlaying = true;
}
soundSize = fillFluidBuffer(requestedChunkSize, chunkData, s_sampleRate, s_fluidSynth, s_fluidPlayer);
}
//we've finished the loop, start the song all over again.
if (soundSize == 0)
{
if (s_midiFormat == MFMT_GUS_PATCH)
{
unsigned long beginning = 0;
WildMidi_FastSeek(s_song, &beginning);
soundSize = WildMidi_GetOutput(s_song, (char*)&chunkData[totalSize], requestedChunkSize-totalSize);
}
else if (s_midiFormat == MFMT_SOUND_FONT)
{
LOG( LOG_ERROR, "midi synthesizer should handle looping." );
}
}
totalSize += soundSize;
};
UNLOCK();
}
