12 AVSampleBufferAudioRenderer *m_audioRenderer;
20 if (self = [super
init]) {
23 m_audioRenderer = [[AVSampleBufferAudioRenderer alloc] init];
24 [m_audioBufferSynchronizer addRenderer:m_audioRenderer];
30- (
void)captureOutput:(AVCaptureOutput *)captureOutput
31 didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
32 fromConnection:(AVCaptureConnection *)connection
37 if (!CMSampleBufferDataIsReady(sampleBuffer)) {
42 CFRetain(sampleBuffer);
45 [
self renderAudioSampleBuffer:sampleBuffer];
46 CFRelease(sampleBuffer);
50- (
void)renderAudioSampleBuffer:(CMSampleBufferRef)sampleBuffer
56 [m_audioRenderer enqueueSampleBuffer:sampleBuffer];
58 [m_audioBufferSynchronizer setRate:1 time:CMSampleBufferGetPresentationTimeStamp(sampleBuffer)];
64 [m_session->audioOutput() setSampleBufferDelegate:self queue:m_audioPreviewQueue];
68 audioOutputDevice: (NSString*)deviceId
73 [m_session->audioOutput() setSampleBufferDelegate:self queue:m_audioPreviewQueue];
75 m_audioRenderer.audioOutputDeviceUniqueID = deviceId;
79- (
void)setVolume: (
float)volume
81 m_audioRenderer.volume = volume;
84- (
void)setMuted: (
bool)muted
86 m_audioRenderer.muted = muted;
91 [m_audioRenderer release];
92 [m_audioBufferSynchronizer release];
AVSampleBufferRenderSynchronizer * m_audioBufferSynchronizer
dispatch_queue_t m_audioPreviewQueue
AVFCameraSession * m_session
void resetAudioPreviewDelegate()
DBusConnection const char DBusError DBusBusType DBusError return DBusConnection DBusHandleMessageFunction void DBusFreeFunction return DBusConnection return DBusConnection return const char DBusError return DBusConnection DBusMessage dbus_uint32_t return DBusConnection dbus_bool_t DBusConnection DBusAddWatchFunction DBusRemoveWatchFunction DBusWatchToggledFunction void DBusFreeFunction return DBusConnection DBusDispatchStatusFunction void DBusFreeFunction DBusTimeout return DBusTimeout return DBusWatch return DBusWatch unsigned int return DBusError const DBusError return const DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessageIter int const void return DBusMessageIter DBusMessageIter return DBusMessageIter void DBusMessageIter void int return DBusMessage DBusMessageIter return DBusMessageIter return DBusMessageIter DBusMessageIter const char const char const char const char return DBusMessage return DBusMessage const char return DBusMessage dbus_bool_t return DBusMessage dbus_uint32_t return DBusMessage void
DBusConnection * connection
static QT_BEGIN_NAMESPACE void init(QTextBoundaryFinder::BoundaryType type, QStringView str, QCharAttributes *attributes)