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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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/audio_config_impl.h" | 5 #include "ppapi/shared_impl/audio_config_impl.h" |
| 6 | 6 |
| 7 namespace ppapi { | 7 namespace ppapi { |
| 8 | 8 |
| 9 AudioConfigImpl::AudioConfigImpl() | 9 AudioConfigImpl::AudioConfigImpl(PP_Instance instance) |
| 10 : sample_rate_(PP_AUDIOSAMPLERATE_NONE), | 10 : Resource(instance), |
| 11 sample_rate_(PP_AUDIOSAMPLERATE_NONE), |
| 12 sample_frame_count_(0) { |
| 13 } |
| 14 |
| 15 AudioConfigImpl::AudioConfigImpl(const HostResource& host_resource) |
| 16 : Resource(host_resource), |
| 17 sample_rate_(PP_AUDIOSAMPLERATE_NONE), |
| 11 sample_frame_count_(0) { | 18 sample_frame_count_(0) { |
| 12 } | 19 } |
| 13 | 20 |
| 14 AudioConfigImpl::~AudioConfigImpl() { | 21 AudioConfigImpl::~AudioConfigImpl() { |
| 15 } | 22 } |
| 16 | 23 |
| 24 // static |
| 25 PP_Resource AudioConfigImpl::CreateAsImpl(PP_Instance instance, |
| 26 PP_AudioSampleRate sample_rate, |
| 27 uint32_t sample_frame_count) { |
| 28 scoped_refptr<AudioConfigImpl> object(new AudioConfigImpl(instance)); |
| 29 if (!object->Init(sample_rate, sample_frame_count)) |
| 30 return 0; |
| 31 return object->GetReference(); |
| 32 } |
| 33 |
| 34 // static |
| 35 PP_Resource AudioConfigImpl::CreateAsProxy(PP_Instance instance, |
| 36 PP_AudioSampleRate sample_rate, |
| 37 uint32_t sample_frame_count) { |
| 38 scoped_refptr<AudioConfigImpl> object(new AudioConfigImpl( |
| 39 HostResource::MakeInstanceOnly(instance))); |
| 40 if (!object->Init(sample_rate, sample_frame_count)) |
| 41 return 0; |
| 42 return object->GetReference(); |
| 43 } |
| 44 |
| 45 thunk::PPB_AudioConfig_API* AudioConfigImpl::AsPPB_AudioConfig_API() { |
| 46 return this; |
| 47 } |
| 48 |
| 49 PP_AudioSampleRate AudioConfigImpl::GetSampleRate() { |
| 50 return sample_rate_; |
| 51 } |
| 52 |
| 53 uint32_t AudioConfigImpl::GetSampleFrameCount() { |
| 54 return sample_frame_count_; |
| 55 } |
| 56 |
| 17 bool AudioConfigImpl::Init(PP_AudioSampleRate sample_rate, | 57 bool AudioConfigImpl::Init(PP_AudioSampleRate sample_rate, |
| 18 uint32_t sample_frame_count) { | 58 uint32_t sample_frame_count) { |
| 19 // TODO(brettw): Currently we don't actually check what the hardware | 59 // TODO(brettw): Currently we don't actually check what the hardware |
| 20 // supports, so just allow sample rates of the "guaranteed working" ones. | 60 // supports, so just allow sample rates of the "guaranteed working" ones. |
| 21 if (sample_rate != PP_AUDIOSAMPLERATE_44100 && | 61 if (sample_rate != PP_AUDIOSAMPLERATE_44100 && |
| 22 sample_rate != PP_AUDIOSAMPLERATE_48000) | 62 sample_rate != PP_AUDIOSAMPLERATE_48000) |
| 23 return false; | 63 return false; |
| 24 | 64 |
| 25 // TODO(brettw): Currently we don't actually query to get a value from the | 65 // TODO(brettw): Currently we don't actually query to get a value from the |
| 26 // hardware, so just validate the range. | 66 // hardware, so just validate the range. |
| 27 if (sample_frame_count > PP_AUDIOMAXSAMPLEFRAMECOUNT || | 67 if (sample_frame_count > PP_AUDIOMAXSAMPLEFRAMECOUNT || |
| 28 sample_frame_count < PP_AUDIOMINSAMPLEFRAMECOUNT) | 68 sample_frame_count < PP_AUDIOMINSAMPLEFRAMECOUNT) |
| 29 return false; | 69 return false; |
| 30 | 70 |
| 31 sample_rate_ = sample_rate; | 71 sample_rate_ = sample_rate; |
| 32 sample_frame_count_ = sample_frame_count; | 72 sample_frame_count_ = sample_frame_count; |
| 33 return true; | 73 return true; |
| 34 } | 74 } |
| 35 | 75 |
| 36 PP_AudioSampleRate AudioConfigImpl::GetSampleRate() { | |
| 37 return sample_rate_; | |
| 38 } | |
| 39 | |
| 40 uint32_t AudioConfigImpl::GetSampleFrameCount() { | |
| 41 return sample_frame_count_; | |
| 42 } | |
| 43 | |
| 44 } // namespace ppapi | 76 } // namespace ppapi |
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