Added timidity for use in openttd
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pelya
192
project/jni/timidity/src/timidity_internal.h
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192
project/jni/timidity/src/timidity_internal.h
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#ifndef TIMIDITY_INTERNAL_H
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#define TIMIDITY_INTERNAL_H
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#include "timidity.h"
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#if defined(__i386__) || defined(__ia64__) || defined(WIN32) || \
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(defined(__alpha__) || defined(__alpha)) || \
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defined(__arm__) || \
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(defined(__mips__) && defined(__MIPSEL__)) || \
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defined(__SYMBIAN32__) || \
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defined(__x86_64__) || \
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defined(__LITTLE_ENDIAN__)
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#ifndef LITTLE_ENDIAN
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#define LITTLE_ENDIAN
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#endif
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#undef BIG_ENDIAN
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#else
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#ifndef BIG_ENDIAN
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#define BIG_ENDIAN
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#endif
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#undef LITTLE_ENDIAN
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#endif
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/* Instrument files are little-endian, MIDI files big-endian, so we
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need to do some conversions. */
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#define XCHG_SHORT(x) ((((x)&0xFF)<<8) | (((x)>>8)&0xFF))
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#ifdef __i486__
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# define XCHG_LONG(x) \
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({ sint32 __value; \
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asm ("bswap %1; movl %1,%0" : "=g" (__value) : "r" (x)); \
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__value; })
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#else
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# define XCHG_LONG(x) ((((x)&0xFF)<<24) | \
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(((x)&0xFF00)<<8) | \
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(((x)&0xFF0000)>>8) | \
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(((x)>>24)&0xFF))
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#endif
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#ifdef LITTLE_ENDIAN
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#define SWAPLE16(x) x
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#define SWAPLE32(x) x
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#define SWAPBE16(x) XCHG_SHORT(x)
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#define SWAPBE32(x) XCHG_LONG(x)
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#else
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#define SWAPBE16(x) x
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#define SWAPBE32(x) x
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#define SWAPLE16(x) XCHG_SHORT(x)
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#define SWAPLE32(x) XCHG_LONG(x)
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#endif
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#ifdef DEBUG
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#define DEBUG_MSG(...) fprintf(stderr, __VA_ARGS__)
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#else
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#define DEBUG_MSG(...)
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#endif
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#define MID_VIBRATO_SAMPLE_INCREMENTS 32
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/* Maximum polyphony. */
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#define MID_MAX_VOICES 48
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typedef sint16 sample_t;
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typedef sint32 final_volume_t;
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typedef struct _MidSample MidSample;
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struct _MidSample
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{
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sint32
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loop_start, loop_end, data_length,
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sample_rate, low_vel, high_vel, low_freq, high_freq, root_freq;
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sint32 envelope_rate[6], envelope_offset[6];
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float volume;
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sample_t *data;
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sint32
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tremolo_sweep_increment, tremolo_phase_increment,
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vibrato_sweep_increment, vibrato_control_ratio;
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uint8 tremolo_depth, vibrato_depth, modes;
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sint8 panning, note_to_use;
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};
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typedef struct _MidChannel MidChannel;
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struct _MidChannel
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{
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int bank, program, volume, sustain, panning, pitchbend, expression;
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int mono; /* one note only on this channel -- not implemented yet */
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int pitchsens;
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/* chorus, reverb... Coming soon to a 300-MHz, eight-way superscalar
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processor near you */
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float pitchfactor; /* precomputed pitch bend factor to save some fdiv's */
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};
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typedef struct _MidVoice MidVoice;
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struct _MidVoice
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{
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uint8 status, channel, note, velocity;
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MidSample *sample;
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sint32
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orig_frequency, frequency,
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sample_offset, sample_increment,
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envelope_volume, envelope_target, envelope_increment,
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tremolo_sweep, tremolo_sweep_position,
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tremolo_phase, tremolo_phase_increment,
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vibrato_sweep, vibrato_sweep_position;
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final_volume_t left_mix, right_mix;
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float left_amp, right_amp, tremolo_volume;
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sint32 vibrato_sample_increment[MID_VIBRATO_SAMPLE_INCREMENTS];
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int
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vibrato_phase, vibrato_control_ratio, vibrato_control_counter,
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envelope_stage, control_counter, panning, panned;
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};
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typedef struct _MidInstrument MidInstrument;
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struct _MidInstrument
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{
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int samples;
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MidSample *sample;
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};
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typedef struct _MidToneBankElement MidToneBankElement;
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struct _MidToneBankElement
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{
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char *name;
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int note, amp, pan, strip_loop, strip_envelope, strip_tail;
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};
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typedef struct _MidToneBank MidToneBank;
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struct _MidToneBank
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{
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MidToneBankElement *tone;
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MidInstrument *instrument[128];
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};
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typedef struct _MidEvent MidEvent;
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struct _MidEvent
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{
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sint32 time;
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uint8 channel, type, a, b;
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};
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typedef struct _MidEventList MidEventList;
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struct _MidEventList
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{
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MidEvent event;
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void *next;
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};
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struct _MidSong
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{
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int playing;
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sint32 rate;
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sint32 encoding;
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int bytes_per_sample;
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float master_volume;
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sint32 amplification;
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MidDLSPatches *patches;
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MidToneBank *tonebank[128];
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MidToneBank *drumset[128];
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MidInstrument *default_instrument;
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int default_program;
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void (*write) (void *dp, sint32 * lp, sint32 c);
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int buffer_size;
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sample_t *resample_buffer;
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sint32 *common_buffer;
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/* These would both fit into 32 bits, but they are often added in
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large multiples, so it's simpler to have two roomy ints */
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/* samples per MIDI delta-t */
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sint32 sample_increment;
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sint32 sample_correction;
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MidChannel channel[16];
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MidVoice voice[MID_MAX_VOICES];
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int voices;
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sint32 drumchannels;
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sint32 control_ratio;
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sint32 lost_notes;
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sint32 cut_notes;
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sint32 samples;
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MidEvent *events;
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MidEvent *current_event;
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MidEventList *evlist;
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sint32 current_sample;
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sint32 event_count;
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sint32 at;
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sint32 groomed_event_count;
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char *meta_data[8];
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};
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#endif /* TIMIDITY_INTERNAL_H */
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