int prepare(VideoState **ps) {
VideoState *is = *ps;
if (is->prepare_sync) {
return -EALREADY;
}
is->prepare_sync = 1;
int ret = prepareAsync_l(ps);
if (ret != NO_ERROR) {
return ret;
}
if (is->prepare_sync) {
while (!is->prepared) {
sleep(1);
}
is->prepare_sync = 0;
}
return is->prepare_sync;
}
// TODO: In case of error, prepareAsync provides the caller with 2 error codes,
// one defined in the Android framework and one provided by the implementation
// that generated the error. The sync version of prepare returns only 1 error
// code.
status_t MediaPlayer::prepare()
{
ALOGV("prepare");
Mutex::Autolock _l(mLock);
mLockThreadId = getThreadId();
if (mPrepareSync) {
mLockThreadId = 0;
return -EALREADY;
}
mPrepareSync = true;
status_t ret = prepareAsync_l();
if (ret != NO_ERROR) {
mLockThreadId = 0;
return ret;
}
if (mPrepareSync) {
mSignal.wait(mLock); // wait for prepare done
mPrepareSync = false;
}
ALOGV("prepare complete - status=%d", mPrepareStatus);
mLockThreadId = 0;
return mPrepareStatus;
}
status_t MediaPlayer::prepareAsync()
{
ALOGV("prepareAsync");
Mutex::Autolock _l(mLock);
return prepareAsync_l();
}
int prepareAsync(VideoState **ps) {
return prepareAsync_l(ps);
}
