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Set buffer capacity to allow for buffering
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Browse source
This commit is contained in:
Andreas Pehrson 2024-06-27 12:04:24 +02:00
parent 2566793347
commit b7089edab3
1 changed files with 3 additions and 24 deletions
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27
src/cubeb_aaudio.cpp
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@ -1134,8 +1134,10 @@ aaudio_stream_init_impl(cubeb_stream * stm, lock_guard<mutex> & lock)
std::unique_ptr<AAudioStreamBuilder, StreamBuilderDestructor> sbPtr(sb);
WRAP(AAudioStreamBuilder_setErrorCallback)(sb, aaudio_error_cb, stm);
// Capacity should be at least twice the frames-per-callback to allow double
// buffering.
WRAP(AAudioStreamBuilder_setBufferCapacityInFrames)
(sb, static_cast<int32_t>(stm->latency_frames));
(sb, static_cast<int32_t>(3 * stm->latency_frames));
AAudioStream_dataCallback in_data_callback{};
AAudioStream_dataCallback out_data_callback{};
@ -1188,18 +1190,6 @@ aaudio_stream_init_impl(cubeb_stream * stm, lock_guard<mutex> & lock)
return res_err;
}
int32_t output_burst_size =
WRAP(AAudioStream_getFramesPerBurst)(stm->ostream);
LOG("AAudio output burst size: %d", output_burst_size);
// 3 times the burst size seems to be robust.
res = WRAP(AAudioStream_setBufferSizeInFrames)(stm->ostream,
output_burst_size * 3);
if (res < 0) {
LOG("AAudioStream_setBufferSizeInFrames error (ostream): %s",
WRAP(AAudio_convertResultToText)(res));
// Not fatal
}
int rate = WRAP(AAudioStream_getSampleRate)(stm->ostream);
LOG("AAudio output stream sharing mode: %d",
WRAP(AAudioStream_getSharingMode)(stm->ostream));
@ -1252,17 +1242,6 @@ aaudio_stream_init_impl(cubeb_stream * stm, lock_guard<mutex> & lock)
if (stm->voice_input) {
stm->input_session_id = WRAP(AAudioStream_getSessionId)(stm->istream);
}
int32_t input_burst_size =
WRAP(AAudioStream_getFramesPerBurst)(stm->istream);
LOG("AAudio input burst size: %d", input_burst_size);
// 3 times the burst size seems to be robust.
res = WRAP(AAudioStream_setBufferSizeInFrames)(stm->istream,
input_burst_size * 3);
if (res < AAUDIO_OK) {
LOG("AAudioStream_setBufferSizeInFrames error (istream): %s",
WRAP(AAudio_convertResultToText)(res));
// Not fatal
}
int bcap = WRAP(AAudioStream_getBufferCapacityInFrames)(stm->istream);
int rate = WRAP(AAudioStream_getSampleRate)(stm->istream);