diff options
Diffstat (limited to 'arch/sandbox')
| -rw-r--r-- | arch/sandbox/cpu/sdl.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/sandbox/cpu/sdl.c b/arch/sandbox/cpu/sdl.c index 36f1bf0..c940a47 100644 --- a/arch/sandbox/cpu/sdl.c +++ b/arch/sandbox/cpu/sdl.c @@ -9,6 +9,10 @@ #include <sound.h> #include <asm/state.h> +enum { + SAMPLE_RATE = 22050, +}; + static struct sdl_info { SDL_Surface *screen; int width; @@ -18,6 +22,7 @@ static struct sdl_info { uint frequency; uint audio_pos; uint audio_size; + uint sample_rate; uint8_t *audio_data; bool audio_active; bool inited; @@ -283,7 +288,7 @@ int sandbox_sdl_sound_init(void) return 0; /* Set the audio format */ - wanted.freq = 22050; + wanted.freq = SAMPLE_RATE; wanted.format = AUDIO_S16; wanted.channels = 1; /* 1 = mono, 2 = stereo */ wanted.samples = 1024; /* Good low-latency value for callback */ @@ -309,6 +314,7 @@ int sandbox_sdl_sound_init(void) goto err; } sdl.audio_active = true; + sdl.sample_rate = wanted.freq; return 0; @@ -322,7 +328,8 @@ int sandbox_sdl_sound_start(uint frequency) if (!sdl.audio_active) return -1; sdl.frequency = frequency; - sound_create_square_wave(22050, (unsigned short *)sdl.audio_data, + sound_create_square_wave(sdl.sample_rate, + (unsigned short *)sdl.audio_data, sdl.audio_size, frequency); sdl.audio_pos = 0; SDL_PauseAudio(0); |