void
nsDOMCameraControl::StartRecording(JSContext* aCx,
JS::Handle<JS::Value> aOptions,
nsDOMDeviceStorage& storageArea,
const nsAString& filename,
nsICameraStartRecordingCallback* onSuccess,
const Optional<nsICameraErrorCallback*>& onError,
ErrorResult& aRv)
{
MOZ_ASSERT(onSuccess, "no onSuccess handler passed");
mozilla::idl::CameraStartRecordingOptions options;
// Default values, until the dictionary parser can handle them.
options.rotation = 0;
options.maxFileSizeBytes = 0;
options.maxVideoLengthMs = 0;
aRv = options.Init(aCx, aOptions.address());
if (aRv.Failed()) {
return;
}
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
if (!obs) {
NS_WARNING("Could not get the Observer service for CameraControl::StartRecording.");
aRv.Throw(NS_ERROR_FAILURE);
return;
}
obs->NotifyObservers(nullptr,
"recording-device-events",
NS_LITERAL_STRING("starting").get());
// Forward recording events to parent process.
// The events are gathered in chrome process and used for recording indicator
if (XRE_GetProcessType() != GeckoProcessType_Default) {
unused << ContentChild::GetSingleton()->SendRecordingDeviceEvents(NS_LITERAL_STRING("starting"));
}
#ifdef MOZ_B2G
if (!mAudioChannelAgent) {
mAudioChannelAgent = do_CreateInstance("@mozilla.org/audiochannelagent;1");
if (mAudioChannelAgent) {
// Camera app will stop recording when it falls to the background, so no callback is necessary.
mAudioChannelAgent->Init(AUDIO_CHANNEL_CONTENT, nullptr);
// Video recording doesn't output any sound, so it's not necessary to check canPlay.
bool canPlay;
mAudioChannelAgent->StartPlaying(&canPlay);
}
}
#endif
nsCOMPtr<nsIFile> folder;
aRv = storageArea.GetRootDirectoryForFile(filename, getter_AddRefs(folder));
if (aRv.Failed()) {
return;
}
aRv = mCameraControl->StartRecording(&options, folder, filename, onSuccess,
onError.WasPassed() ? onError.Value() : nullptr);
}
void
nsDOMCameraControl::SetThumbnailSize(JSContext* cx, JS::Handle<JS::Value> aSize, ErrorResult& aRv)
{
CameraSize size;
aRv = size.Init(cx, aSize.address());
if (aRv.Failed()) {
return;
}
aRv = mCameraControl->Set(CAMERA_PARAM_THUMBNAILSIZE, size);
}
void
nsDOMCameraControl::GetPreviewStreamVideoMode(JSContext* aCx,
JS::Handle<JS::Value> aOptions,
nsICameraPreviewStreamCallback* onSuccess,
const Optional<nsICameraErrorCallback*>& onError,
ErrorResult& aRv)
{
mozilla::idl::CameraRecorderOptions options;
aRv = options.Init(aCx, aOptions.address());
if (aRv.Failed()) {
return;
}
aRv = mCameraControl->GetPreviewStreamVideoMode(&options, onSuccess,
onError.WasPassed()
? onError.Value() : nullptr);
}
void
nsDOMCameraControl::StartRecording(JSContext* aCx,
JS::Handle<JS::Value> aOptions,
nsDOMDeviceStorage& storageArea,
const nsAString& filename,
nsICameraStartRecordingCallback* onSuccess,
const Optional<nsICameraErrorCallback*>& onError,
ErrorResult& aRv)
{
MOZ_ASSERT(onSuccess, "no onSuccess handler passed");
mozilla::idl::CameraStartRecordingOptions options;
// Default values, until the dictionary parser can handle them.
options.rotation = 0;
options.maxFileSizeBytes = 0;
options.maxVideoLengthMs = 0;
aRv = options.Init(aCx, aOptions.address());
if (aRv.Failed()) {
return;
}
aRv = NotifyRecordingStatusChange(NS_LITERAL_STRING("starting"));
#ifdef MOZ_B2G
if (!mAudioChannelAgent) {
mAudioChannelAgent = do_CreateInstance("@mozilla.org/audiochannelagent;1");
if (mAudioChannelAgent) {
// Camera app will stop recording when it falls to the background, so no callback is necessary.
mAudioChannelAgent->Init(AUDIO_CHANNEL_CONTENT, nullptr);
// Video recording doesn't output any sound, so it's not necessary to check canPlay.
int32_t canPlay;
mAudioChannelAgent->StartPlaying(&canPlay);
}
}
#endif
nsCOMPtr<nsIFile> folder;
aRv = storageArea.GetRootDirectoryForFile(filename, getter_AddRefs(folder));
if (aRv.Failed()) {
return;
}
aRv = mCameraControl->StartRecording(&options, folder, filename, onSuccess,
onError.WasPassed() ? onError.Value() : nullptr);
}