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#ifndef CONTENT_RENDERER_PEPPER_AUDIO_HELPER_H_ 6bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#define CONTENT_RENDERER_PEPPER_AUDIO_HELPER_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/scoped_ptr.h" 109ab5563a3196760eb381d102cbb2bc0f7abc6a50Ben Murdoch#include "base/memory/shared_memory.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/sync_socket.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/c/pp_completion_callback.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/shared_impl/resource.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/shared_impl/scoped_pp_resource.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/shared_impl/tracked_callback.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1758e6fbe4ee35d65e14b626c557d37565bf8ad179Ben Murdochnamespace content { 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 19558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdochclass AudioHelper { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioHelper(); 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~AudioHelper(); 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 24558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch // Called when the stream is created. 25558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch void StreamCreated(base::SharedMemoryHandle shared_memory_handle, 26558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch size_t shared_memory_size_, 27558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch base::SyncSocket::Handle socket); 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 29a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch void SetCreateCallback(scoped_refptr<ppapi::TrackedCallback> create_callback); 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(viettrungluu): This is all very poorly thought out. Refactor. 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // To be called by implementations of |PPB_Audio_API|/|PPB_AudioInput_API|. 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int32_t GetSyncSocketImpl(int* sync_socket); 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int32_t GetSharedMemoryImpl(int* shm_handle, uint32_t* shm_size); 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // To be implemented by subclasses to call their |SetStreamInfo()|. 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnSetStreamInfo(base::SharedMemoryHandle shared_memory_handle, 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t shared_memory_size, 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::SyncSocket::Handle socket_handle) = 0; 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 44ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch scoped_refptr<ppapi::TrackedCallback> create_callback_; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When a create callback is being issued, these will save the info for 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // querying from the callback. The proxy uses this to get the handles to the 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // other process instead of mapping them in the renderer. These will be 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // invalid all other times. 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<base::SharedMemory> shared_memory_for_create_callback_; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t shared_memory_size_for_create_callback_; 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<base::SyncSocket> socket_for_create_callback_; 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(AudioHelper); 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5758e6fbe4ee35d65e14b626c557d37565bf8ad179Ben Murdoch} // namespace content 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 59bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#endif // CONTENT_RENDERER_PEPPER_AUDIO_HELPER_H_ 60