blob: b77a1124804593de7cbdb67caa91737fd8717fcf (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef PPAPI_SHARED_IMPL_PPB_AUDIO_CONFIG_SHARED_H_
#define PPAPI_SHARED_IMPL_PPB_AUDIO_CONFIG_SHARED_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "ppapi/shared_impl/resource.h"
#include "ppapi/thunk/ppb_audio_config_api.h"
namespace ppapi {
const int kBitsPerAudioInputSample = 16;
const int kAudioInputChannels = 1;
const int kBitsPerAudioOutputSample = 16;
const int kAudioOutputChannels = 2;
class PPAPI_SHARED_EXPORT PPB_AudioConfig_Shared
: public Resource,
public thunk::PPB_AudioConfig_API {
public:
virtual ~PPB_AudioConfig_Shared();
static PP_Resource Create(ResourceObjectType type,
PP_Instance instance,
PP_AudioSampleRate sample_rate,
uint32_t sample_frame_count);
static uint32_t RecommendSampleFrameCount_1_0(PP_AudioSampleRate sample_rate,
uint32_t request_sample_frame_count);
static uint32_t RecommendSampleFrameCount_1_1(PP_Instance instance,
PP_AudioSampleRate sample_rate,
uint32_t request_sample_frame_count);
static PP_AudioSampleRate RecommendSampleRate(PP_Instance);
// Resource overrides.
virtual thunk::PPB_AudioConfig_API* AsPPB_AudioConfig_API() OVERRIDE;
// PPB_AudioConfig_API implementation.
virtual PP_AudioSampleRate GetSampleRate() OVERRIDE;
virtual uint32_t GetSampleFrameCount() OVERRIDE;
private:
// You must call Init before using this object.
PPB_AudioConfig_Shared(ResourceObjectType type, PP_Instance instance);
// Returns false if the arguments are invalid, the object should not be
// used in this case.
bool Init(PP_AudioSampleRate sample_rate, uint32_t sample_frame_count);
PP_AudioSampleRate sample_rate_;
uint32_t sample_frame_count_;
DISALLOW_COPY_AND_ASSIGN(PPB_AudioConfig_Shared);
};
} // namespace ppapi
#endif // PPAPI_SHARED_IMPL_PPB_AUDIO_CONFIG_SHARED_H_
|
