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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/process_util.h" | 9 #include "base/process_util.h" |
10 #include "base/shared_memory.h" | 10 #include "base/shared_memory.h" |
11 | 11 |
12 namespace content { | 12 namespace content { |
13 | 13 |
14 AudioInputSyncWriter::AudioInputSyncWriter(base::SharedMemory* shared_memory) | 14 AudioInputSyncWriter::AudioInputSyncWriter(SharedMemoryVector* shared_memory) |
15 : shared_memory_(shared_memory) { | 15 : shared_memory_(shared_memory), |
16 current_buffer_id_(0) { | |
16 } | 17 } |
17 | 18 |
18 AudioInputSyncWriter::~AudioInputSyncWriter() {} | 19 AudioInputSyncWriter::~AudioInputSyncWriter() {} |
19 | 20 |
20 // TODO(henrika): Combine into one method (including Write). | 21 // TODO(henrika): Combine into one method (including Write). |
21 void AudioInputSyncWriter::UpdateRecordedBytes(uint32 bytes) { | 22 void AudioInputSyncWriter::UpdateRecordedBytes(uint32 bytes) { |
22 socket_->Send(&bytes, sizeof(bytes)); | 23 socket_->Send(&bytes, sizeof(bytes)); |
24 uint32 index = static_cast<uint32>(current_buffer_id_); | |
henrika (OOO until Aug 14)
2013/03/04 13:12:51
Please add a few lines of comments here which expl
wjia(left Chromium)
2013/03/05 02:40:13
Done.
| |
25 socket_->Send(&index, sizeof(index)); | |
26 if (++current_buffer_id_ >= shared_memory_->size()) | |
27 current_buffer_id_ = 0; | |
23 } | 28 } |
24 | 29 |
25 uint32 AudioInputSyncWriter::Write(const void* data, uint32 size, | 30 uint32 AudioInputSyncWriter::Write(const void* data, uint32 size, |
26 double volume) { | 31 double volume) { |
27 media::AudioInputBuffer* buffer = | 32 media::AudioInputBuffer* buffer = reinterpret_cast<media::AudioInputBuffer*>( |
28 reinterpret_cast<media::AudioInputBuffer*>(shared_memory_->memory()); | 33 (*shared_memory_)[current_buffer_id_]->memory()); |
29 buffer->params.volume = volume; | 34 buffer->params.volume = volume; |
30 buffer->params.size = size; | 35 buffer->params.size = size; |
31 memcpy(buffer->audio, data, size); | 36 memcpy(buffer->audio, data, size); |
32 | 37 |
33 return size; | 38 return size; |
34 } | 39 } |
35 | 40 |
36 void AudioInputSyncWriter::Close() { | 41 void AudioInputSyncWriter::Close() { |
37 socket_->Close(); | 42 socket_->Close(); |
38 } | 43 } |
(...skipping 22 matching lines...) Expand all Loading... | |
61 base::ProcessHandle process_handle, | 66 base::ProcessHandle process_handle, |
62 base::FileDescriptor* foreign_handle) { | 67 base::FileDescriptor* foreign_handle) { |
63 foreign_handle->fd = foreign_socket_->handle(); | 68 foreign_handle->fd = foreign_socket_->handle(); |
64 foreign_handle->auto_close = false; | 69 foreign_handle->auto_close = false; |
65 return (foreign_handle->fd != -1); | 70 return (foreign_handle->fd != -1); |
66 } | 71 } |
67 | 72 |
68 #endif | 73 #endif |
69 | 74 |
70 } // namespace content | 75 } // namespace content |
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