15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#include "content/renderer/pepper/ppb_audio_impl.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 8558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch#include "content/renderer/pepper/pepper_platform_audio_output.h" 9558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch#include "content/renderer/pepper/pepper_plugin_instance_impl.h" 105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "content/renderer/render_frame_impl.h" 11558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch#include "content/renderer/render_view_impl.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "media/audio/audio_output_controller.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/c/pp_completion_callback.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/c/ppb_audio.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/c/ppb_audio_config.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/shared_impl/resource_tracker.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/thunk/enter.h" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/thunk/ppb_audio_config_api.h" 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/thunk/thunk.h" 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using ppapi::PpapiGlobals; 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using ppapi::thunk::EnterResourceNoLock; 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using ppapi::thunk::PPB_Audio_API; 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using ppapi::thunk::PPB_AudioConfig_API; 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using ppapi::TrackedCallback; 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2758e6fbe4ee35d65e14b626c557d37565bf8ad179Ben Murdochnamespace content { 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// PPB_Audio_Impl -------------------------------------------------------------- 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PPB_Audio_Impl::PPB_Audio_Impl(PP_Instance instance) 32a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch : Resource(ppapi::OBJECT_IS_IMPL, instance), audio_(NULL) {} 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PPB_Audio_Impl::~PPB_Audio_Impl() { 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Calling ShutDown() makes sure StreamCreated cannot be called anymore and 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // releases the audio data associated with the pointer. Note however, that 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // until ShutDown returns, StreamCreated may still be called. This will be 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // OK since we'll just immediately clean up the data it stored later in this 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // destructor. 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (audio_) { 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) audio_->ShutDown(); 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) audio_ = NULL; 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 46a02191e04bc25c4935f804f2c080ae28663d096dBen MurdochPPB_Audio_API* PPB_Audio_Impl::AsPPB_Audio_API() { return this; } 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PP_Resource PPB_Audio_Impl::GetCurrentConfig() { 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // AddRef on behalf of caller, while keeping a ref for ourselves. 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PpapiGlobals::Get()->GetResourceTracker()->AddRefResource(config_); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return config_; 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PP_Bool PPB_Audio_Impl::StartPlayback() { 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!audio_) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PP_FALSE; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (playing()) 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PP_TRUE; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetStartPlaybackState(); 60116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch return PP_FromBool(audio_->StartPlayback()); 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PP_Bool PPB_Audio_Impl::StopPlayback() { 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!audio_) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PP_FALSE; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!playing()) 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PP_TRUE; 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!audio_->StopPlayback()) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PP_FALSE; 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetStopPlaybackState(); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PP_TRUE; 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 74a02191e04bc25c4935f804f2c080ae28663d096dBen Murdochint32_t PPB_Audio_Impl::Open(PP_Resource config, 75a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch scoped_refptr<TrackedCallback> create_callback) { 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Validate the config and keep a reference to it. 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnterResourceNoLock<PPB_AudioConfig_API> enter(config, true); 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (enter.failed()) 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PP_ERROR_FAILED; 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) config_ = config; 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PepperPluginInstanceImpl* instance = static_cast<PepperPluginInstanceImpl*>( 835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PepperPluginInstance::Get(pp_instance())); 84558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch if (!instance) 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PP_ERROR_FAILED; 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When the stream is created, we'll get called back on StreamCreated(). 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!audio_); 89558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch audio_ = PepperPlatformAudioOutput::Create( 90558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch static_cast<int>(enter.object()->GetSampleRate()), 91558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch static_cast<int>(enter.object()->GetSampleFrameCount()), 92558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch instance->GetRenderView()->GetRoutingID(), 935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) instance->render_frame()->GetRoutingID(), 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) this); 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!audio_) 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PP_ERROR_FAILED; 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // At this point, we are guaranteeing ownership of the completion 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // callback. Audio promises to fire the completion callback 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // once and only once. 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetCreateCallback(create_callback); 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PP_OK_COMPLETIONPENDING; 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int32_t PPB_Audio_Impl::GetSyncSocket(int* sync_socket) { 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetSyncSocketImpl(sync_socket); 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 110a02191e04bc25c4935f804f2c080ae28663d096dBen Murdochint32_t PPB_Audio_Impl::GetSharedMemory(int* shm_handle, uint32_t* shm_size) { 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetSharedMemoryImpl(shm_handle, shm_size); 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void PPB_Audio_Impl::OnSetStreamInfo( 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::SharedMemoryHandle shared_memory_handle, 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t shared_memory_size, 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::SyncSocket::Handle socket_handle) { 11858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) EnterResourceNoLock<PPB_AudioConfig_API> enter(config_, true); 119a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch SetStreamInfo(pp_instance(), 120a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch shared_memory_handle, 121a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch shared_memory_size, 122a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch socket_handle, 123a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch enter.object()->GetSampleRate(), 12458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) enter.object()->GetSampleFrameCount()); 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12758e6fbe4ee35d65e14b626c557d37565bf8ad179Ben Murdoch} // namespace content 128