diff options
Diffstat (limited to 'src/emu/sound/samples.h')
-rw-r--r-- | src/emu/sound/samples.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/emu/sound/samples.h b/src/emu/sound/samples.h new file mode 100644 index 00000000000..334899d09ce --- /dev/null +++ b/src/emu/sound/samples.h @@ -0,0 +1,50 @@ +#ifndef SAMPLES_H +#define SAMPLES_H + +struct loaded_sample +{ + int length; /* length in samples */ + int frequency; /* frequency of the sample */ + INT16 * data; /* 16-bit signed data */ +}; + +struct loaded_samples +{ + int total; /* number of samples */ + struct loaded_sample sample[1]; /* array of samples */ +}; + +struct Samplesinterface +{ + int channels; /* number of discrete audio channels needed */ + const char **samplenames; + void (*start)(void); +}; + + +void sample_start_n(int num,int channel,int samplenum,int loop); +void sample_start_raw_n(int num,int channel,INT16 *sampledata,int samples,int frequency,int loop); +void sample_set_freq_n(int num,int channel,int freq); +void sample_set_volume_n(int num,int channel,float volume); +void sample_set_pause_n(int num,int channel,int pause); +void sample_stop_n(int num,int channel); +int sample_get_base_freq_n(int num,int channel); +int sample_playing_n(int num,int channel); +int sample_loaded_n(int num,int samplenum); + +/* shortcuts for backwards compatibilty */ +void sample_start(int channel,int samplenum,int loop); +void sample_start_raw(int channel,INT16 *sampledata,int samples,int frequency,int loop); +void sample_set_freq(int channel,int freq); +void sample_set_volume(int channel,float volume); +void sample_set_pause(int channel,int pause); +void sample_stop(int channel); +int sample_get_base_freq(int channel); +int sample_playing(int channel); +int sample_loaded(int samplenum); + +/* helper function that reads samples from disk - this can be used by other */ +/* drivers as well (e.g. a sound chip emulator needing drum samples) */ +struct loaded_samples *readsamples(const char **samplenames, const char *name); + +#endif |