/**
* Return a new MIDI file handle for parsing an already-loaded MIDI file.
* @internal
* @param buffer Pointer to full contents of MIDI file (borrows the pointer).
* The caller must not free buffer until after the fluid_midi_file is deleted.
* @param length Size of the buffer in bytes.
* @return New MIDI file handle or NULL on error.
*/
fluid_midi_file *
new_fluid_midi_file(const char* buffer, size_t length)
{
fluid_midi_file *mf;
mf = FLUID_NEW(fluid_midi_file);
if (mf == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
FLUID_MEMSET(mf, 0, sizeof(fluid_midi_file));
mf->c = -1;
mf->running_status = -1;
mf->buffer = buffer;
mf->buf_len = length;
mf->buf_pos = 0;
mf->eof = FALSE;
if (fluid_midi_file_read_mthd(mf) != FLUID_OK) {
FLUID_FREE(mf);
return NULL;
}
return mf;
}
/**
* Open a MIDI file and return a new MIDI file handle.
* @internal
* @param filename Path of file to open.
* @return New MIDI file handle or NULL on error.
*/
fluid_midi_file* new_fluid_midi_file(char* filename)
{
fluid_midi_file* mf;
mf = FLUID_NEW(fluid_midi_file);
if (mf == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
FLUID_MEMSET(mf, 0, sizeof(fluid_midi_file));
mf->c = -1;
mf->running_status = -1;
mf->fp = FLUID_FOPEN(filename, "rb");
if (mf->fp == NULL) {
FLUID_LOG(FLUID_ERR, "Couldn't open the MIDI file");
FLUID_FREE(mf);
return NULL;
}
if (fluid_midi_file_read_mthd(mf) != FLUID_OK) {
FLUID_FREE(mf);
return NULL;
}
return mf;
}