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Bug 1055141 - use a UniquePtr for AudioStream's mCubebStream member; r=kinetik

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This commit is contained in:
Nathan Froyd 2014-08-18 13:12:08 -04:00
parent 098b729147
commit 52e2e05296
2 changed files with 29 additions and 28 deletions
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32
content/media/AudioStream.cpp
View File

@ -575,13 +575,13 @@ void AudioStream::PanOutputIfNeeded(bool aMicrophoneActive)
}
if (!strncmp(name, "MacBookPro", 10)) {
if (cubeb_stream_get_current_device(mCubebStream, &device) == CUBEB_OK) {
if (cubeb_stream_get_current_device(mCubebStream.get(), &device) == CUBEB_OK) {
// Check if we are currently outputing sound on external speakers.
if (!strcmp(device->output_name, "ispk")) {
// Pan everything to the right speaker.
if (aMicrophoneActive) {
LOG(("%p Panning audio output to the right.", this));
if (cubeb_stream_set_panning(mCubebStream, 1.0) != CUBEB_OK) {
if (cubeb_stream_set_panning(mCubebStream.get(), 1.0) != CUBEB_OK) {
NS_WARNING("Could not pan audio output to the right.");
}
} else {
@ -592,11 +592,11 @@ void AudioStream::PanOutputIfNeeded(bool aMicrophoneActive)
}
if (panCenter) {
LOG(("%p Panning audio output to the center.", this));
if (cubeb_stream_set_panning(mCubebStream, 0.0) != CUBEB_OK) {
if (cubeb_stream_set_panning(mCubebStream.get(), 0.0) != CUBEB_OK) {
NS_WARNING("Could not pan audio output to the center.");
}
}
cubeb_stream_device_destroy(mCubebStream, device);
cubeb_stream_device_destroy(mCubebStream.get(), device);
}
}
#endif
@ -609,14 +609,14 @@ void AudioStream::ResetStreamIfNeeded()
if (!mMicrophoneActive || mLatencyRequest != LowLatency) {
return;
}
if (cubeb_stream_get_current_device(mCubebStream, &device) == CUBEB_OK) {
if (cubeb_stream_get_current_device(mCubebStream.get(), &device) == CUBEB_OK) {
// This a microphone that goes through the headphone plug, reset the
// output to prevent echo building up.
if (strcmp(device->input_name, "emic") == 0) {
LOG(("Resetting audio output"));
Reset();
}
cubeb_stream_device_destroy(mCubebStream, device);
cubeb_stream_device_destroy(mCubebStream.get(), device);
}
}
@ -660,7 +660,7 @@ AudioStream::OpenCubeb(cubeb_stream_params &aParams,
latency, DataCallback_S, StateCallback_S, this) == CUBEB_OK) {
MonitorAutoLock mon(mMonitor);
MOZ_ASSERT(mState != SHUTDOWN);
mCubebStream.own(stream);
mCubebStream.reset(stream);
// We can't cubeb_stream_start() the thread from a transient thread due to
// cubeb API requirements (init can be called from another thread, but
// not start/stop/destroy/etc)
@ -672,7 +672,7 @@ AudioStream::OpenCubeb(cubeb_stream_params &aParams,
}
}
cubeb_stream_register_device_changed_callback(mCubebStream,
cubeb_stream_register_device_changed_callback(mCubebStream.get(),
AudioStream::DeviceChangedCallback_s);
mState = INITIALIZED;
@ -844,7 +844,7 @@ AudioStream::SetVolume(double aVolume)
{
NS_ABORT_IF_FALSE(aVolume >= 0.0 && aVolume <= 1.0, "Invalid volume");
if (cubeb_stream_set_volume(mCubebStream, aVolume * GetVolumeScale()) != CUBEB_OK) {
if (cubeb_stream_set_volume(mCubebStream.get(), aVolume * GetVolumeScale()) != CUBEB_OK) {
NS_WARNING("Could not change volume on cubeb stream.");
}
}
@ -902,7 +902,7 @@ AudioStream::StartUnlocked()
int r;
{
MonitorAutoUnlock mon(mMonitor);
r = cubeb_stream_start(mCubebStream);
r = cubeb_stream_start(mCubebStream.get());
PanOutputIfNeeded(mMicrophoneActive);
}
@ -924,7 +924,7 @@ AudioStream::Pause()
int r;
{
MonitorAutoUnlock mon(mMonitor);
r = cubeb_stream_stop(mCubebStream);
r = cubeb_stream_stop(mCubebStream.get());
}
if (mState != ERRORED && r == CUBEB_OK) {
mState = STOPPED;
@ -942,7 +942,7 @@ AudioStream::Resume()
int r;
{
MonitorAutoUnlock mon(mMonitor);
r = cubeb_stream_start(mCubebStream);
r = cubeb_stream_start(mCubebStream.get());
}
if (mState != ERRORED && r == CUBEB_OK) {
mState = STARTED;
@ -962,7 +962,7 @@ AudioStream::Shutdown()
if (mCubebStream) {
MonitorAutoUnlock mon(mMonitor);
// Force stop to put the cubeb stream in a stable state before deletion.
cubeb_stream_stop(mCubebStream);
cubeb_stream_stop(mCubebStream.get());
// Must not try to shut down cubeb from within the lock! wasapi may still
// call our callback after Pause()/stop()!?! Bug 996162
mCubebStream.reset();
@ -1004,7 +1004,7 @@ AudioStream::GetPositionInFramesUnlocked()
uint64_t position = 0;
{
MonitorAutoUnlock mon(mMonitor);
if (cubeb_stream_get_position(mCubebStream, &position) != CUBEB_OK) {
if (cubeb_stream_get_position(mCubebStream.get(), &position) != CUBEB_OK) {
return -1;
}
}
@ -1016,7 +1016,7 @@ int64_t
AudioStream::GetLatencyInFrames()
{
uint32_t latency;
if (cubeb_stream_get_latency(mCubebStream, &latency)) {
if (cubeb_stream_get_latency(mCubebStream.get(), &latency)) {
NS_WARNING("Could not get cubeb latency.");
return 0;
}
@ -1291,7 +1291,7 @@ AudioStream::DataCallback(void* aBuffer, long aFrames)
mState != SHUTDOWN &&
insertTime != INT64_MAX && servicedFrames > underrunFrames) {
uint32_t latency = UINT32_MAX;
if (cubeb_stream_get_latency(mCubebStream, &latency)) {
if (cubeb_stream_get_latency(mCubebStream.get(), &latency)) {
NS_WARNING("Could not get latency from cubeb.");
}
TimeStamp now = TimeStamp::Now();

25
content/media/AudioStream.h
View File

@ -8,29 +8,31 @@
#include "AudioSampleFormat.h"
#include "nsAutoPtr.h"
#include "nsAutoRef.h"
#include "nsCOMPtr.h"
#include "nsThreadUtils.h"
#include "Latency.h"
#include "mozilla/dom/AudioChannelBinding.h"
#include "mozilla/StaticMutex.h"
#include "mozilla/RefPtr.h"
#include "mozilla/StaticMutex.h"
#include "mozilla/UniquePtr.h"
#include "cubeb/cubeb.h"
template <>
class nsAutoRefTraits<cubeb_stream> : public nsPointerRefTraits<cubeb_stream>
{
public:
static void Release(cubeb_stream* aStream) { cubeb_stream_destroy(aStream); }
};
namespace soundtouch {
class SoundTouch;
}
namespace mozilla {
template<>
struct DefaultDelete<cubeb_stream>
{
void operator()(cubeb_stream* aStream) const
{
cubeb_stream_destroy(aStream);
}
};
class AudioStream;
class FrameHistory;
@ -387,9 +389,8 @@ private:
// frames.
CircularByteBuffer mBuffer;
// Owning reference to a cubeb_stream. cubeb_stream_destroy is called by
// nsAutoRef's destructor.
nsAutoRef<cubeb_stream> mCubebStream;
// Owning reference to a cubeb_stream.
UniquePtr<cubeb_stream> mCubebStream;
uint32_t mBytesPerFrame;