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Reduce buffer size if sample rate is 22k or less

master
Marc Salem 2013-02-05 17:33:57 -08:00
parent 41695afd16
commit 559ef27135
1 changed files with 5 additions and 0 deletions
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5
jni/OpenAL/Alc/opensles.c
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@ -136,6 +136,7 @@ static long timespecdiff(struct timespec *starttime, struct timespec *finishtime
// Cannot be a constant because we need to tweak differently depending on OS version.
static size_t bufferCount = 8;
static size_t bufferSize = (1024*4);
static size_t defaultBufferSize = (1024*4);
#define bufferSizeMax (1024*4)
typedef enum {
@ -483,6 +484,9 @@ static ALCboolean opensles_reset_playback(ALCdevice *pDevice)
SLuint32 sampling_rate = pDevice->Frequency * 1000;
SLresult result;
LOGV("bits=%u, channels=%u, samples=%u, size=%u, freq=%u", bits, channels, samples, size, pDevice->Frequency);
if (pDevice->Frequency <= 22050) {
bufferSize = defaultBufferSize / 2;
}
devState = (opesles_data_t *) pDevice->ExtraData;
@ -657,6 +661,7 @@ static void alc_opensles_set_java_vm(JavaVM *vm)
bufferCount = 4;
}
if (strcmp(alc_opensles_get_android_model(), "Kindle Fire") == 0) {
defaultBufferSize = 1024;
bufferSize = 1024;
}
}