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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "content/browser/renderer_host/media/audio_input_sync_writer.h" | 5 #include "content/browser/renderer_host/media/audio_input_sync_writer.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 | 8 |
| 9 #include "base/memory/shared_memory.h" | 9 #include "base/memory/shared_memory.h" |
| 10 #include "content/browser/renderer_host/media/media_stream_manager.h" | 10 #include "content/browser/renderer_host/media/media_stream_manager.h" |
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| 21 current_segment_id_(0), | 21 current_segment_id_(0), |
| 22 creation_time_(base::Time::Now()), | 22 creation_time_(base::Time::Now()), |
| 23 audio_bus_memory_size_(AudioBus::CalculateMemorySize(params)) { | 23 audio_bus_memory_size_(AudioBus::CalculateMemorySize(params)) { |
| 24 DCHECK_GT(shared_memory_segment_count, 0); | 24 DCHECK_GT(shared_memory_segment_count, 0); |
| 25 DCHECK_EQ(shared_memory->requested_size() % shared_memory_segment_count, 0u); | 25 DCHECK_EQ(shared_memory->requested_size() % shared_memory_segment_count, 0u); |
| 26 shared_memory_segment_size_ = | 26 shared_memory_segment_size_ = |
| 27 shared_memory->requested_size() / shared_memory_segment_count; | 27 shared_memory->requested_size() / shared_memory_segment_count; |
| 28 DVLOG(1) << "SharedMemory::requested_size: " | 28 DVLOG(1) << "SharedMemory::requested_size: " |
| 29 << shared_memory->requested_size(); | 29 << shared_memory->requested_size(); |
| 30 DVLOG(1) << "shared_memory_segment_count: " << shared_memory_segment_count; | 30 DVLOG(1) << "shared_memory_segment_count: " << shared_memory_segment_count; |
| 31 DVLOG(1) << "audio_bus_memory_size: " << audio_bus_memory_size_; |
| 31 | 32 |
| 32 // Create vector of audio buses by wrapping existing blocks of memory. | 33 // Create vector of audio buses by wrapping existing blocks of memory. |
| 33 uint8* ptr = static_cast<uint8*>(shared_memory_->memory()); | 34 uint8* ptr = static_cast<uint8*>(shared_memory_->memory()); |
| 34 for (int i = 0; i < shared_memory_segment_count; ++i) { | 35 for (int i = 0; i < shared_memory_segment_count; ++i) { |
| 35 media::AudioInputBuffer* buffer = | 36 media::AudioInputBuffer* buffer = |
| 36 reinterpret_cast<media::AudioInputBuffer*>(ptr); | 37 reinterpret_cast<media::AudioInputBuffer*>(ptr); |
| 37 scoped_ptr<media::AudioBus> audio_bus = | 38 scoped_ptr<media::AudioBus> audio_bus = |
| 38 media::AudioBus::WrapMemory(params, buffer->audio); | 39 media::AudioBus::WrapMemory(params, buffer->audio); |
| 39 audio_buses_.push_back(audio_bus.release()); | 40 audio_buses_.push_back(audio_bus.release()); |
| 40 ptr += shared_memory_segment_size_; | 41 ptr += shared_memory_segment_size_; |
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| 121 base::ProcessHandle process_handle, | 122 base::ProcessHandle process_handle, |
| 122 base::FileDescriptor* foreign_handle) { | 123 base::FileDescriptor* foreign_handle) { |
| 123 foreign_handle->fd = foreign_socket_->handle(); | 124 foreign_handle->fd = foreign_socket_->handle(); |
| 124 foreign_handle->auto_close = false; | 125 foreign_handle->auto_close = false; |
| 125 return (foreign_handle->fd != -1); | 126 return (foreign_handle->fd != -1); |
| 126 } | 127 } |
| 127 | 128 |
| 128 #endif | 129 #endif |
| 129 | 130 |
| 130 } // namespace content | 131 } // namespace content |
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