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Allocate and share session ID for input voice streams

Browse source 
A session ID is required for audiofx, even through presets.
The latter is not clear in the documentation, but see
https://android.googlesource.com/platform/frameworks/av/+/master/services/audioflinger/AudioFlinger.cpp#1035
This commit is contained in:
Andreas Pehrson 2024-06-24 09:36:37 +02:00
parent 76ffc3e9e1
commit d896f3af2a
1 changed files with 19 additions and 7 deletions
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24
src/cubeb_aaudio.cpp
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@ -48,6 +48,7 @@ using namespace std;
X(AAudioStreamBuilder_delete) \
X(AAudioStreamBuilder_setDataCallback) \
X(AAudioStreamBuilder_setErrorCallback) \
X(AAudioStreamBuilder_setSessionId) \
X(AAudioStream_close) \
X(AAudioStream_read) \
X(AAudioStream_requestStart) \
@ -67,6 +68,7 @@ using namespace std;
X(AAudioStream_getFramesWritten) \
X(AAudioStream_getFramesPerBurst) \
X(AAudioStream_getInputPreset) \
X(AAudioStream_getSessionId) \
X(AAudioStreamBuilder_setInputPreset) \
X(AAudioStreamBuilder_setUsage) \
X(AAudioStreamBuilder_setFramesPerDataCallback)
@ -82,10 +84,8 @@ using namespace std;
// X(AAudioStream_getXRunCount) \
// X(AAudioStream_isMMapUsed) \
// X(AAudioStreamBuilder_setContentType) \
// X(AAudioStreamBuilder_setSessionId) \
// X(AAudioStream_getUsage) \
// X(AAudioStream_getContentType) \
// X(AAudioStream_getSessionId) \
// END: not needed or added later on
#define MAKE_TYPEDEF(x) static decltype(x) * cubeb_##x;
@ -179,6 +179,7 @@ struct cubeb_stream {
bool voice_input{};
bool voice_output{};
cubeb_input_processing_params input_processing_params{};
aaudio_session_id_t input_session_id{AAUDIO_SESSION_ID_NONE};
uint64_t previous_clock{};
};
@ -1225,11 +1226,19 @@ aaudio_stream_init_impl(cubeb_stream * stm, lock_guard<mutex> & lock)
// input
cubeb_stream_params in_params;
if (stm->input_stream_params) {
aaudio_input_preset_t preset =
stm->voice_input ? *input_processing_params_to_input_preset(
stm->input_processing_params)
: AAUDIO_INPUT_PRESET_CAMCORDER;
if (stm->voice_input) {
const aaudio_session_id_t session_id =
stm->input_session_id == AAUDIO_SESSION_ID_NONE
? AAUDIO_SESSION_ID_ALLOCATE
: stm->input_session_id;
WRAP(AAudioStreamBuilder_setSessionId)(sb, session_id);
const auto preset = *input_processing_params_to_input_preset(
stm->input_processing_params);
WRAP(AAudioStreamBuilder_setInputPreset)(sb, preset);
} else {
WRAP(AAudioStreamBuilder_setInputPreset)
(sb, AAUDIO_INPUT_PRESET_CAMCORDER);
}
WRAP(AAudioStreamBuilder_setDirection)(sb, AAUDIO_DIRECTION_INPUT);
WRAP(AAudioStreamBuilder_setDataCallback)(sb, in_data_callback, stm);
assert(stm->latency_frames < std::numeric_limits<int32_t>::max());
@ -1242,6 +1251,9 @@ aaudio_stream_init_impl(cubeb_stream * stm, lock_guard<mutex> & lock)
return res_err;
}
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);