diff options
Diffstat (limited to 'ppapi/cpp/dev/audio_input_dev.cc')
-rw-r--r-- | ppapi/cpp/dev/audio_input_dev.cc | 212 |
1 files changed, 201 insertions, 11 deletions
diff --git a/ppapi/cpp/dev/audio_input_dev.cc b/ppapi/cpp/dev/audio_input_dev.cc index 386345b..2429259 100644 --- a/ppapi/cpp/dev/audio_input_dev.cc +++ b/ppapi/cpp/dev/audio_input_dev.cc @@ -1,11 +1,15 @@ -// Copyright (c) 2011 The Chromium Authors. All rights reserved. +// Copyright (c) 2012 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "ppapi/cpp/dev/audio_input_dev.h" #include "ppapi/c/dev/ppb_audio_input_dev.h" +#include "ppapi/c/pp_bool.h" #include "ppapi/c/pp_errors.h" +#include "ppapi/cpp/completion_callback.h" +#include "ppapi/cpp/dev/device_ref_dev.h" +#include "ppapi/cpp/dev/resource_array_dev.h" #include "ppapi/cpp/instance_handle.h" #include "ppapi/cpp/module.h" #include "ppapi/cpp/module_impl.h" @@ -14,36 +18,222 @@ namespace pp { namespace { -template <> const char* interface_name<PPB_AudioInput_Dev>() { - return PPB_AUDIO_INPUT_DEV_INTERFACE; +template <> const char* interface_name<PPB_AudioInput_Dev_0_2>() { + return PPB_AUDIO_INPUT_DEV_INTERFACE_0_2; +} + +template <> const char* interface_name<PPB_AudioInput_Dev_0_1>() { + return PPB_AUDIO_INPUT_DEV_INTERFACE_0_1; } } // namespace +struct AudioInput_Dev::EnumerateDevicesState { + EnumerateDevicesState(std::vector<DeviceRef_Dev>* in_devices, + const CompletionCallback& in_callback, + AudioInput_Dev* in_audio_input) + : devices_resource(0), + devices(in_devices), + callback(in_callback), + audio_input(in_audio_input) { + } + + PP_Resource devices_resource; + // This is owned by the user of AudioInput_Dev::EnumerateDevices(). + std::vector<DeviceRef_Dev>* devices; + CompletionCallback callback; + AudioInput_Dev* audio_input; +}; + +AudioInput_Dev::AudioInput_Dev() : enum_state_(NULL), + audio_input_callback_(NULL), + user_data_(NULL) { +} + AudioInput_Dev::AudioInput_Dev(const InstanceHandle& instance, const AudioConfig& config, PPB_AudioInput_Callback callback, void* user_data) - : config_(config) { - if (has_interface<PPB_AudioInput_Dev>()) { - PassRefFromConstructor(get_interface<PPB_AudioInput_Dev>()->Create( + : config_(config), + enum_state_(NULL), + audio_input_callback_(callback), + user_data_(user_data) { + if (has_interface<PPB_AudioInput_Dev_0_2>()) { + PassRefFromConstructor(get_interface<PPB_AudioInput_Dev_0_2>()->Create( + instance.pp_instance())); + } else if (has_interface<PPB_AudioInput_Dev_0_1>()) { + PassRefFromConstructor(get_interface<PPB_AudioInput_Dev_0_1>()->Create( instance.pp_instance(), config.pp_resource(), callback, user_data)); } } +AudioInput_Dev::AudioInput_Dev(const InstanceHandle& instance) + : enum_state_(NULL), + audio_input_callback_(NULL), + user_data_(NULL) { + if (has_interface<PPB_AudioInput_Dev_0_2>()) { + PassRefFromConstructor(get_interface<PPB_AudioInput_Dev_0_2>()->Create( + instance.pp_instance())); + } +} + +AudioInput_Dev::AudioInput_Dev(const AudioInput_Dev& other) + : Resource(other), + config_(other.config_), + enum_state_(NULL), + audio_input_callback_(other.audio_input_callback_), + user_data_(other.user_data_) { +} + +AudioInput_Dev::~AudioInput_Dev() { + AbortEnumerateDevices(); +} + +AudioInput_Dev& AudioInput_Dev::operator=(const AudioInput_Dev& other) { + AbortEnumerateDevices(); + + Resource::operator=(other); + config_ = other.config_; + audio_input_callback_ = other.audio_input_callback_; + user_data_ = other.user_data_; + return *this; +} + // static bool AudioInput_Dev::IsAvailable() { - return has_interface<PPB_AudioInput_Dev>(); + return has_interface<PPB_AudioInput_Dev_0_2>() || + has_interface<PPB_AudioInput_Dev_0_1>(); +} + +int32_t AudioInput_Dev::EnumerateDevices(std::vector<DeviceRef_Dev>* devices, + const CompletionCallback& callback) { + if (!has_interface<PPB_AudioInput_Dev_0_2>()) + return callback.MayForce(PP_ERROR_NOINTERFACE); + if (!devices) + return callback.MayForce(PP_ERROR_BADARGUMENT); + if (!callback.pp_completion_callback().func) + return callback.MayForce(PP_ERROR_BLOCKS_MAIN_THREAD); + if (enum_state_) + return callback.MayForce(PP_ERROR_INPROGRESS); + + // It will be deleted in OnEnumerateDevicesComplete(). + enum_state_ = new EnumerateDevicesState(devices, callback, this); + return get_interface<PPB_AudioInput_Dev_0_2>()->EnumerateDevices( + pp_resource(), &enum_state_->devices_resource, + PP_MakeCompletionCallback(&AudioInput_Dev::OnEnumerateDevicesComplete, + enum_state_)); +} + +int32_t AudioInput_Dev::Open(const DeviceRef_Dev& device_ref, + const CompletionCallback& callback) { + if (has_interface<PPB_AudioInput_Dev_0_2>()) { + return get_interface<PPB_AudioInput_Dev_0_2>()->Open( + pp_resource(), device_ref.pp_resource(), config_.pp_resource(), + audio_input_callback_, user_data_, callback.pp_completion_callback()); + } + + if (has_interface<PPB_AudioInput_Dev_0_1>()) { + if (is_null()) + return callback.MayForce(PP_ERROR_FAILED); + + // If the v0.1 interface is being used and there is a valid resource handle, + // then the default device has been successfully opened during resource + // creation. + if (device_ref.is_null()) + return callback.MayForce(PP_OK); + + // The v0.1 interface doesn't support devices other than the default one. + return callback.MayForce(PP_ERROR_NOTSUPPORTED); + } + + return callback.MayForce(PP_ERROR_NOINTERFACE); +} + +int32_t AudioInput_Dev::Open(const DeviceRef_Dev& device_ref, + const AudioConfig& config, + PPB_AudioInput_Callback audio_input_callback, + void* user_data, + const CompletionCallback& callback) { + if (has_interface<PPB_AudioInput_Dev_0_2>()) { + return get_interface<PPB_AudioInput_Dev_0_2>()->Open( + pp_resource(), device_ref.pp_resource(), config.pp_resource(), + audio_input_callback, user_data, callback.pp_completion_callback()); + } + + return callback.MayForce(PP_ERROR_NOINTERFACE); } bool AudioInput_Dev::StartCapture() { - return has_interface<PPB_AudioInput_Dev>() && - get_interface<PPB_AudioInput_Dev>()->StartCapture(pp_resource()); + if (has_interface<PPB_AudioInput_Dev_0_2>()) { + return PP_ToBool(get_interface<PPB_AudioInput_Dev_0_2>()->StartCapture( + pp_resource())); + } + + if (has_interface<PPB_AudioInput_Dev_0_1>()) { + return PP_ToBool(get_interface<PPB_AudioInput_Dev_0_1>()->StartCapture( + pp_resource())); + } + + return false; } bool AudioInput_Dev::StopCapture() { - return has_interface<PPB_AudioInput_Dev>() && - get_interface<PPB_AudioInput_Dev>()->StopCapture(pp_resource()); + if (has_interface<PPB_AudioInput_Dev_0_2>()) { + return PP_ToBool(get_interface<PPB_AudioInput_Dev_0_2>()->StopCapture( + pp_resource())); + } + + if (has_interface<PPB_AudioInput_Dev_0_1>()) { + return PP_ToBool(get_interface<PPB_AudioInput_Dev_0_1>()->StopCapture( + pp_resource())); + } + + return false; +} + +void AudioInput_Dev::Close() { + if (has_interface<PPB_AudioInput_Dev_0_2>()) + get_interface<PPB_AudioInput_Dev_0_2>()->Close(pp_resource()); +} + +void AudioInput_Dev::AbortEnumerateDevices() { + if (enum_state_) { + enum_state_->devices = NULL; + Module::Get()->core()->CallOnMainThread(0, enum_state_->callback, + PP_ERROR_ABORTED); + enum_state_->audio_input = NULL; + enum_state_ = NULL; + } +} + +// static +void AudioInput_Dev::OnEnumerateDevicesComplete(void* user_data, + int32_t result) { + EnumerateDevicesState* enum_state = + static_cast<EnumerateDevicesState*>(user_data); + + bool need_to_callback = !!enum_state->audio_input; + + if (result == PP_OK) { + // It will take care of releasing the reference. + ResourceArray_Dev resources(pp::PASS_REF, + enum_state->devices_resource); + + if (need_to_callback) { + enum_state->devices->clear(); + for (uint32_t index = 0; index < resources.size(); ++index) { + DeviceRef_Dev device(resources[index]); + enum_state->devices->push_back(device); + } + } + } + + if (need_to_callback) { + enum_state->audio_input->enum_state_ = NULL; + enum_state->callback.Run(result); + } + + delete enum_state; } } // namespace pp |