mirror/RetroArch
1
0
Fork 0
mirror of https://github.com/libretro/RetroArch synced 2024-12-27 15:29:23 +00:00
Code Issues Packages Projects Releases Wiki Activity

Make latency detection more correct.

Browse Source
This commit is contained in:
Themaister 2011-01-07 20:37:30 +01:00
parent 24bbaa4857
commit 580bffc218
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
audio/sdl.c
View File

@ -81,8 +81,8 @@ static void* sdl_audio_init(const char* device, int rate, int latency)
if (!sdl)
return NULL;
// We have to buffer up some data ourselves, so we let SDL carry approx half of the latency.
int frames = find_num_frames(rate, latency / 2);
// We have to buffer up some data ourselves, so we let SDL carry approx half of the latency. SDL double buffers audio and we do as well.
int frames = find_num_frames(rate, latency / 4);
SDL_AudioSpec spec = {
.freq = rate,
@ -106,7 +106,7 @@ static void* sdl_audio_init(const char* device, int rate, int latency)
sdl->lock = SDL_CreateMutex();
sdl->cond = SDL_CreateCond();
SSNES_LOG("SDL audio: Requested %d ms latency, got %d ms\n", latency, (int)(out.samples * 3 * 1000 / g_settings.audio.out_rate));
SSNES_LOG("SDL audio: Requested %d ms latency, got %d ms\n", latency, (int)(out.samples * 4 * 1000 / g_settings.audio.out_rate));
// Create a buffer twice as big as needed and prefill the buffer.
size_t bufsize = out.samples * 4 * sizeof(int16_t);