diff options
Diffstat (limited to 'sound.h')
| -rw-r--r-- | sound.h | 111 |
1 files changed, 59 insertions, 52 deletions
@@ -25,79 +25,79 @@ #define GBA_XTAL 16777216.0f #define GBA_60HZ_RATE 16853760.0f /* 228*(272+960)*60 */ -#if !defined(PSP_BUILD) - // run GBA at 60Hz (~0.5% faster) to better match host display - #define GBC_BASE_RATE GBA_60HZ_RATE +#if !defined(PSP_BUILD) && !defined(__LIBRETRO__) +// run GBA at 60Hz (~0.5% faster) to better match host display +#define GBC_BASE_RATE GBA_60HZ_RATE #else - #define GBC_BASE_RATE GBA_XTAL +#define GBC_BASE_RATE GBA_XTAL #endif typedef enum { - DIRECT_SOUND_INACTIVE, - DIRECT_SOUND_RIGHT, - DIRECT_SOUND_LEFT, - DIRECT_SOUND_LEFTRIGHT + DIRECT_SOUND_INACTIVE, + DIRECT_SOUND_RIGHT, + DIRECT_SOUND_LEFT, + DIRECT_SOUND_LEFTRIGHT } direct_sound_status_type; typedef enum { - DIRECT_SOUND_VOLUME_50, - DIRECT_SOUND_VOLUME_100 + DIRECT_SOUND_VOLUME_50, + DIRECT_SOUND_VOLUME_100 } direct_sound_volume_type; typedef struct { - s8 fifo[32]; - u32 fifo_base; - u32 fifo_top; - fixed8_24 fifo_fractional; - // The + 1 is to give some extra room for linear interpolation - // when wrapping around. - u32 buffer_index; - direct_sound_status_type status; - direct_sound_volume_type volume; - u32 last_cpu_ticks; + s8 fifo[32]; + u32 fifo_base; + u32 fifo_top; + fixed8_24 fifo_fractional; + // The + 1 is to give some extra room for linear interpolation + // when wrapping around. + u32 buffer_index; + direct_sound_status_type status; + direct_sound_volume_type volume; + u32 last_cpu_ticks; } direct_sound_struct; typedef enum { - GBC_SOUND_INACTIVE, - GBC_SOUND_RIGHT, - GBC_SOUND_LEFT, - GBC_SOUND_LEFTRIGHT + GBC_SOUND_INACTIVE, + GBC_SOUND_RIGHT, + GBC_SOUND_LEFT, + GBC_SOUND_LEFTRIGHT } gbc_sound_status_type; typedef struct { - u32 rate; - fixed16_16 frequency_step; - fixed16_16 sample_index; - fixed16_16 tick_counter; - u32 total_volume; - u32 envelope_initial_volume; - u32 envelope_volume; - u32 envelope_direction; - u32 envelope_status; - u32 envelope_step; - u32 envelope_ticks; - u32 envelope_initial_ticks; - u32 sweep_status; - u32 sweep_direction; - u32 sweep_ticks; - u32 sweep_initial_ticks; - u32 sweep_shift; - u32 length_status; - u32 length_ticks; - u32 noise_type; - u32 wave_type; - u32 wave_bank; - u32 wave_volume; - gbc_sound_status_type status; - u32 active_flag; - u32 master_enable; - s8 *sample_data; + u32 rate; + fixed16_16 frequency_step; + fixed16_16 sample_index; + fixed16_16 tick_counter; + u32 total_volume; + u32 envelope_initial_volume; + u32 envelope_volume; + u32 envelope_direction; + u32 envelope_status; + u32 envelope_step; + u32 envelope_ticks; + u32 envelope_initial_ticks; + u32 sweep_status; + u32 sweep_direction; + u32 sweep_ticks; + u32 sweep_initial_ticks; + u32 sweep_shift; + u32 length_status; + u32 length_ticks; + u32 noise_type; + u32 wave_type; + u32 wave_bank; + u32 wave_volume; + gbc_sound_status_type status; + u32 active_flag; + u32 master_enable; + s8* sample_data; } gbc_sound_struct; extern direct_sound_struct direct_sound_channel[2]; @@ -116,7 +116,9 @@ extern u32 global_enable_audio; extern u32 enable_low_pass_filter; extern u32 audio_buffer_size_number; -extern SDL_mutex *sound_mutex; +#ifndef __LIBRETRO__ +extern SDL_mutex* sound_mutex; +#endif void sound_timer_queue8(u32 channel, u8 value); void sound_timer_queue16(u32 channel, u16 value); @@ -128,6 +130,11 @@ void init_sound(int need_reset); void sound_write_mem_savestate(file_tag_type savestate_file); void sound_read_savestate(file_tag_type savestate_file); +#ifdef __LIBRETRO__ +void render_audio(void); +#endif + + #ifdef IN_MEMORY_C #define gbc_sound_tone_control_low(channel, address) \ |