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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "ppapi/shared_impl/media_stream_buffer_manager.h" | 5 #include "ppapi/shared_impl/media_stream_buffer_manager.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "ppapi/c/pp_errors.h" | 8 #include "ppapi/c/pp_errors.h" |
| 9 #include "ppapi/shared_impl/media_stream_buffer.h" | 9 #include "ppapi/shared_impl/media_stream_buffer.h" |
| 10 | 10 |
| 11 namespace ppapi { | 11 namespace ppapi { |
| 12 | 12 |
| 13 MediaStreamBufferManager::Delegate::~Delegate() {} | 13 MediaStreamBufferManager::Delegate::~Delegate() {} |
| 14 | 14 |
| 15 void MediaStreamBufferManager::Delegate::OnNewBufferEnqueued() { | 15 void MediaStreamBufferManager::Delegate::OnNewBufferEnqueued() {} |
| 16 } | |
| 17 | 16 |
| 18 MediaStreamBufferManager::MediaStreamBufferManager(Delegate* delegate) | 17 MediaStreamBufferManager::MediaStreamBufferManager(Delegate* delegate) |
| 19 : delegate_(delegate), | 18 : delegate_(delegate), buffer_size_(0), number_of_buffers_(0) { |
| 20 buffer_size_(0), | |
| 21 number_of_buffers_(0) { | |
| 22 DCHECK(delegate_); | 19 DCHECK(delegate_); |
| 23 } | 20 } |
| 24 | 21 |
| 25 MediaStreamBufferManager::~MediaStreamBufferManager() { | 22 MediaStreamBufferManager::~MediaStreamBufferManager() {} |
| 26 } | |
| 27 | 23 |
| 28 bool MediaStreamBufferManager::SetBuffers( | 24 bool MediaStreamBufferManager::SetBuffers(int32_t number_of_buffers, |
| 29 int32_t number_of_buffers, | 25 int32_t buffer_size, |
| 30 int32_t buffer_size, | 26 scoped_ptr<base::SharedMemory> shm, |
| 31 scoped_ptr<base::SharedMemory> shm, | 27 bool enqueue_all_buffers) { |
| 32 bool enqueue_all_buffers) { | |
| 33 DCHECK(shm); | 28 DCHECK(shm); |
| 34 DCHECK(!shm_); | 29 DCHECK(!shm_); |
| 35 DCHECK_GT(number_of_buffers, 0); | 30 DCHECK_GT(number_of_buffers, 0); |
| 36 DCHECK_GT(buffer_size, | 31 DCHECK_GT(buffer_size, |
| 37 static_cast<int32_t>(sizeof(MediaStreamBuffer::Header))); | 32 static_cast<int32_t>(sizeof(MediaStreamBuffer::Header))); |
| 38 DCHECK_EQ(buffer_size & 0x3, 0); | 33 DCHECK_EQ(buffer_size & 0x3, 0); |
| 39 | 34 |
| 40 number_of_buffers_ = number_of_buffers; | 35 number_of_buffers_ = number_of_buffers; |
| 41 buffer_size_ = buffer_size; | 36 buffer_size_ = buffer_size; |
| 42 | 37 |
| (...skipping 20 matching lines...) Expand all Loading... |
| 63 return buffer; | 58 return buffer; |
| 64 } | 59 } |
| 65 | 60 |
| 66 void MediaStreamBufferManager::EnqueueBuffer(int32_t index) { | 61 void MediaStreamBufferManager::EnqueueBuffer(int32_t index) { |
| 67 DCHECK_GE(index, 0); | 62 DCHECK_GE(index, 0); |
| 68 DCHECK_LT(index, number_of_buffers_); | 63 DCHECK_LT(index, number_of_buffers_); |
| 69 buffer_queue_.push_back(index); | 64 buffer_queue_.push_back(index); |
| 70 delegate_->OnNewBufferEnqueued(); | 65 delegate_->OnNewBufferEnqueued(); |
| 71 } | 66 } |
| 72 | 67 |
| 73 MediaStreamBuffer* MediaStreamBufferManager::GetBufferPointer( | 68 MediaStreamBuffer* MediaStreamBufferManager::GetBufferPointer(int32_t index) { |
| 74 int32_t index) { | |
| 75 DCHECK_GE(index, 0); | 69 DCHECK_GE(index, 0); |
| 76 DCHECK_LT(index, number_of_buffers_); | 70 DCHECK_LT(index, number_of_buffers_); |
| 77 return buffers_[index]; | 71 return buffers_[index]; |
| 78 } | 72 } |
| 79 | 73 |
| 80 } // namespace ppapi | 74 } // namespace ppapi |
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