static int out_standby_stream_locked(struct astream_out *out)
{
int ret = 0;
int attempts = MAX_WRITE_COMPLETION_ATTEMPTS;
if (out->standby || !out->data)
return 0;
out->standby = true;
/* wait for write completion if needed */
while (out->write_busy && attempts--) {
ret = pthread_cond_timeout_np(&out->write_cond,
&out->lock,
BUF_WRITE_COMPLETION_TIMEOUT_MS);
LOGE_IF(ret != 0, "out_standby_stream_locked() wait cond error %d", ret);
}
LOGE_IF(attempts == 0, "out_standby_stream_locked() a2dp_write() would not stop!!!");
LOGV_IF(!out->bt_enabled, "Standby skip stop: enabled %d", out->bt_enabled);
if (out->bt_enabled) {
ret = a2dp_stop(out->data);
}
release_wake_lock(A2DP_WAKE_LOCK_NAME);
return ret;
}
/* you must be inside a m_mutex lock to invoke this! */
static int32_t wait(NVEventSem* sem, pthread_mutex_t* mutex, int waitMS)
{
if(sem->m_block)
{
if( waitMS < 0 )
{
return pthread_cond_wait(&sem->m_cond, mutex);
}
else
{
return pthread_cond_timeout_np(&sem->m_cond, mutex, (unsigned)waitMS);
}
}
return 1;
}
/* you must be inside mutex lock to invoke this! */
static int32_t wait(NVEventSync * sem, pthread_mutex_t * mutex, int waitMS)
{
// TBD - spec is dodgy; do we definitely release the mutex even if
// wait fails?
if(sem->m_block)
{
if( waitMS < 0 )
return pthread_cond_wait(&sem->m_cond, mutex);
else
return pthread_cond_timeout_np(&sem->m_cond, mutex, (unsigned)waitMS);
}
else
{
// must release this, as failure assumes no lock
pthread_mutex_unlock(mutex);
return 1; // do not return 0 - we do not own the lock!
}
}
static int at_send_command_full_nolock (const char *command, ATCommandType type,
const char *responsePrefix, const char *smspdu,
long long timeoutMsec, ATResponse **pp_outResponse)
{
int err = 0;
#ifndef USE_NP
struct timespec ts;
#endif /*USE_NP*/
if(sp_response != NULL) {
err = AT_ERROR_COMMAND_PENDING;
goto error;
}
err = writeline (command);
if (err < 0) {
goto error;
}
s_type = type;
s_responsePrefix = responsePrefix;
s_smsPDU = smspdu;
sp_response = at_response_new();
#ifndef USE_NP
if (timeoutMsec != 0) {
setTimespecRelative(&ts, timeoutMsec);
}
#endif /*USE_NP*/
while (sp_response->finalResponse == NULL && s_readerClosed == 0) {
if (timeoutMsec != 0) {
#ifdef USE_NP
err = pthread_cond_timeout_np(&s_commandcond, &s_commandmutex, timeoutMsec);
#else
err = pthread_cond_timedwait(&s_commandcond, &s_commandmutex, &ts);
#endif /*USE_NP*/
} else {
err = pthread_cond_wait(&s_commandcond, &s_commandmutex);
}
if (err == ETIMEDOUT) {
err = AT_ERROR_TIMEOUT;
goto error;
}
}
if (pp_outResponse == NULL) {
at_response_free(sp_response);
} else {
/* line reader stores intermediate responses in reverse order */
reverseIntermediates(sp_response);
*pp_outResponse = sp_response;
}
sp_response = NULL;
if(s_readerClosed > 0) {
err = AT_ERROR_CHANNEL_CLOSED;
goto error;
}
err = 0;
error:
clearPendingCommand();
return err;
}
/**
* Internal send_command implementation.
* Doesn't lock or call the timeout callback.
*
* timeoutMsec == 0 means infinite timeout.
*/
static int at_send_command_full_nolock (const char *command, ATCommandType type,
const char *responsePrefix, const char *smspdu,
long long timeoutMsec, ATResponse **pp_outResponse)
{
int err = AT_NOERROR;
struct atcontext *ac = getAtContext();
/* Default to NULL, to allow caller to free securely even if
* no response will be set below */
if (pp_outResponse != NULL)
*pp_outResponse = NULL;
/* FIXME This is to prevent future problems due to calls from other threads; should be revised. */
while (pthread_mutex_trylock(&ac->requestmutex) == EBUSY)
pthread_cond_wait(&ac->requestcond, &ac->commandmutex);
if(ac->response != NULL) {
err = AT_ERROR_COMMAND_PENDING;
goto finally;
}
ac->type = type;
ac->responsePrefix = responsePrefix;
ac->smsPDU = smspdu;
ac->response = at_response_new();
if (ac->response == NULL) {
err = AT_ERROR_MEMORY_ALLOCATION;
goto finally;
}
err = writeline (command);
if (err != AT_NOERROR)
goto finally;
while (ac->response->finalResponse == NULL && ac->readerClosed == 0) {
if (timeoutMsec != 0)
err = pthread_cond_timeout_np(&ac->commandcond, &ac->commandmutex, timeoutMsec);
else
err = pthread_cond_wait(&ac->commandcond, &ac->commandmutex);
if (err == ETIMEDOUT) {
err = AT_ERROR_TIMEOUT;
goto finally;
}
}
if (ac->response->success == 0) {
err = at_get_error(ac->response);
}
if (pp_outResponse == NULL)
at_response_free(ac->response);
else {
/* Line reader stores intermediate responses in reverse order. */
reverseIntermediates(ac->response);
*pp_outResponse = ac->response;
}
ac->response = NULL;
if(ac->readerClosed > 0) {
err = AT_ERROR_CHANNEL_CLOSED;
goto finally;
}
finally:
clearPendingCommand();
pthread_cond_broadcast(&ac->requestcond);
pthread_mutex_unlock(&ac->requestmutex);
return err;
}
void *SpeechVMRecorder::DumpVMRecordDataThread(void *arg)
{
// Adjust thread priority
prctl(PR_SET_NAME, (unsigned long)__FUNCTION__, 0, 0, 0);
setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_AUDIO);
ALOGD("%s(), pid: %d, tid: %d", __FUNCTION__, getpid(), gettid());
SpeechVMRecorder *pSpeechVMRecorder = (SpeechVMRecorder *)arg;
RingBuf &ring_buf = pSpeechVMRecorder->mRingBuf;
// open modem record function
SpeechDriverInterface *pSpeechDriver = SpeechDriverFactory::GetInstance()->GetSpeechDriver();
status_t retval = pSpeechDriver->VoiceMemoRecordOn();
if (retval != NO_ERROR)
{
ALOGE("%s(), VoiceMemoRecordOn() fail!! Return.", __FUNCTION__);
pSpeechDriver->VoiceMemoRecordOff();
pthread_exit(NULL);
return 0;
}
// open file
if (pSpeechVMRecorder->OpenFile() != NO_ERROR)
{
pSpeechDriver->VoiceMemoRecordOff();
pthread_exit(NULL);
return 0;
}
// Internal Input Buffer Initialization
pSpeechVMRecorder->mRingBuf.pBufBase = new char[kReadBufferSize];
pSpeechVMRecorder->mRingBuf.bufLen = kReadBufferSize;
pSpeechVMRecorder->mRingBuf.pRead = pSpeechVMRecorder->mRingBuf.pBufBase;
pSpeechVMRecorder->mRingBuf.pWrite = pSpeechVMRecorder->mRingBuf.pBufBase;
ASSERT(pSpeechVMRecorder->mRingBuf.pBufBase != NULL);
memset(pSpeechVMRecorder->mRingBuf.pBufBase, 0, pSpeechVMRecorder->mRingBuf.bufLen);
pSpeechVMRecorder->mStarting = true;
while (1)
{
// lock & wait data
pthread_mutex_lock(&pSpeechVMRecorder->mMutex);
int ret = pthread_cond_timeout_np(&pSpeechVMRecorder->mExitCond, &pSpeechVMRecorder->mMutex, kCondWaitTimeoutMsec);
if (ret != 0)
{
ALOGW("%s(), pthread_cond_timeout_np return %d. ", __FUNCTION__, ret);
}
// make sure VM is still recording after conditional wait
if (pSpeechVMRecorder->mStarting == false)
{
// close file
if (pSpeechVMRecorder->mDumpFile != NULL)
{
fflush(pSpeechVMRecorder->mDumpFile);
fclose(pSpeechVMRecorder->mDumpFile);
pSpeechVMRecorder->mDumpFile = NULL;
}
// release local ring buffer
if (pSpeechVMRecorder->mRingBuf.pBufBase != NULL)
{
delete []pSpeechVMRecorder->mRingBuf.pBufBase;
pSpeechVMRecorder->mRingBuf.pBufBase = NULL;
pSpeechVMRecorder->mRingBuf.pRead = NULL;
pSpeechVMRecorder->mRingBuf.pWrite = NULL;
pSpeechVMRecorder->mRingBuf.bufLen = 0;
}
ALOGD("%s(), pid: %d, tid: %d, mStarting == false, break", __FUNCTION__, getpid(), gettid());
pthread_mutex_unlock(&pSpeechVMRecorder->mMutex);
break;
}
// write data to sd card
const uint16_t data_count = RingBuf_getDataCount(&ring_buf);
uint16_t write_bytes = 0;
if (data_count > 0)
{
const char *end = ring_buf.pBufBase + ring_buf.bufLen;
if (ring_buf.pRead <= ring_buf.pWrite)
{
write_bytes += fwrite((void *)ring_buf.pRead, sizeof(char), data_count, pSpeechVMRecorder->mDumpFile);
}
else
{
int r2e = end - ring_buf.pRead;
write_bytes += fwrite((void *)ring_buf.pRead, sizeof(char), r2e, pSpeechVMRecorder->mDumpFile);
write_bytes += fwrite((void *)ring_buf.pBufBase, sizeof(char), data_count - r2e, pSpeechVMRecorder->mDumpFile);
}
ring_buf.pRead += write_bytes;
if (ring_buf.pRead >= end) { ring_buf.pRead -= ring_buf.bufLen; }
SLOGV("data_count: %u, write_bytes: %u", data_count, write_bytes);
}
if (write_bytes != data_count)
{
ALOGE("%s(), write_bytes(%d) != data_count(%d), SD Card might be full!!", __FUNCTION__, write_bytes, data_count);
}
// unlock
pthread_mutex_unlock(&pSpeechVMRecorder->mMutex);
}
pthread_exit(NULL);
return 0;
}
static ssize_t out_write(struct audio_stream_out *stream, const void* buffer,
size_t bytes)
{
struct astream_out *out = (struct astream_out *)stream;
int ret;
size_t frames_total = bytes / sizeof(uint32_t); // always stereo 16 bit
uint32_t *buf = (uint32_t *)buffer;
size_t frames_written = 0;
pthread_mutex_lock(&out->buf_lock);
pthread_mutex_lock(&out->lock);
if (!out->bt_enabled || out->suspended) {
LOGV("a2dp write: bluetooth disabled bt_en %d, suspended %d",
out->bt_enabled, out->suspended);
ret = -1;
goto err_bt_disabled;
}
if (out->standby) {
acquire_wake_lock(PARTIAL_WAKE_LOCK, A2DP_WAKE_LOCK_NAME);
out->standby = false;
out->last_write_time = system_time();
out->buf_rd_idx = 0;
out->buf_wr_idx = 0;
out->buf_frames_ready = 0;
}
ret = _out_init_locked(out, NULL);
if (ret < 0) {
goto err_init;
}
pthread_mutex_unlock(&out->lock);
if(isToMono){
int16_t mono;
int16_t *stereoData = (int16_t *)buffer;
uint16_t i;
for(i = 0; i<bytes/4; i++) {
// to Mono
mono = (int16_t)(((int32_t)*(stereoData+2*i) + (int32_t)*(stereoData+2*i+1)) >> 1);
// to Stereo again
*(stereoData+2*i) = *(stereoData+2*i+1) = mono;
}
}
while (frames_written < frames_total) {
size_t frames = _out_frames_available_locked(out);
if (frames == 0) {
int ret = pthread_cond_timeout_np(&out->buf_cond,
&out->buf_lock,
BUF_WRITE_AVAILABILITY_TIMEOUT_MS);
if (ret != 0) {
pthread_mutex_lock(&out->lock);
goto err_write;
}
frames = _out_frames_available_locked(out);
}
if (frames > frames_total - frames_written) {
frames = frames_total - frames_written;
}
memcpy(out->buf + out->buf_wr_idx, buf + frames_written, frames * sizeof(uint32_t));
frames_written += frames;
_out_inc_wr_idx_locked(out, frames);
pthread_mutex_lock(&out->lock);
if (out->standby) {
goto err_write;
}
pthread_mutex_unlock(&out->lock);
}
pthread_mutex_unlock(&out->buf_lock);
return bytes;
/* out->lock must be locked and out->buf_lock unlocked when jumping here */
err_write:
err_init:
err_bt_disabled:
pthread_mutex_unlock(&out->buf_lock);
LOGV("!!!! write error");
out_standby_stream_locked(out);
pthread_mutex_unlock(&out->lock);
/* XXX: simulate audio output timing in case of error?!?! */
usleep(out->buffer_duration_us);
return ret;
}
static int at_send_command_full_nolock (const char *command, ATCommandType type,
const char *responsePrefix, const char *smspdu,
long long timeoutMsec, ATResponse **pp_outResponse)
{
int err = 0;
#ifndef USE_NP
struct timespec ts;
#endif /*USE_NP*/
if(sp_response != NULL) {
err = AT_ERROR_COMMAND_PENDING;
goto error;
}
if (!strncmp(command, "ATD", 3))
s_last_cme_error = CME_NO_ERROR;
err = writeline (command);
if (err < 0) {
goto error;
}
s_type = type;
s_responsePrefix = responsePrefix;
s_smsPDU = smspdu;
sp_response = at_response_new();
#ifndef USE_NP
if (timeoutMsec != 0) {
setTimespecRelative(&ts, timeoutMsec);
}
#endif /*USE_NP*/
while (sp_response->finalResponse == NULL && s_readerClosed == 0) {
if (timeoutMsec != 0) {
#ifdef USE_NP
err = pthread_cond_timeout_np(&s_commandcond, &s_commandmutex, timeoutMsec);
#else
err = pthread_cond_timedwait(&s_commandcond, &s_commandmutex, &ts);
#endif /*USE_NP*/
} else {
err = pthread_cond_wait(&s_commandcond, &s_commandmutex);
}
if (err == ETIMEDOUT) {
err = AT_ERROR_TIMEOUT;
goto error;
}
}
if (pp_outResponse == NULL) {
at_response_free(sp_response);
} else {
/* line reader stores intermediate responses in reverse order */
reverseIntermediates(sp_response);
*pp_outResponse = sp_response;
}
sp_response = NULL;
if(s_readerClosed > 0) {
err = AT_ERROR_CHANNEL_CLOSED;
goto error;
}
err = 0;
error:
clearPendingCommand();
/* Have to save the error message right away */
if (pp_outResponse && !(*pp_outResponse)->success && !err && !strncmp(command, "ATD", 3)) {
ATResponse *err_resp;
err = at_send_command_full_nolock("AT+CEER", SINGLELINE, "+CEER:", NULL,
timeoutMsec, &err_resp);
if (!err) {
if (err_resp->p_intermediates != NULL) {
free(s_last_errmsg);
s_last_errmsg = strdup(err_resp->p_intermediates->line);
}
at_response_free(err_resp);
}
}
return err;
}