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// Copyright 2012 The Chromium Authors
// 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 <stdint.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;
// TODO(dalecurtis, yzshen): PPAPI shouldn't hard code these values for all
// clients.
const int kBitsPerAudioOutputSample = 16;
const int kAudioOutputChannels = 2;
class PPAPI_SHARED_EXPORT PPB_AudioConfig_Shared
: public Resource,
public thunk::PPB_AudioConfig_API {
public:
PPB_AudioConfig_Shared(const PPB_AudioConfig_Shared&) = delete;
PPB_AudioConfig_Shared& operator=(const PPB_AudioConfig_Shared&) = delete;
~PPB_AudioConfig_Shared() override;
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.
thunk::PPB_AudioConfig_API* AsPPB_AudioConfig_API() override;
// PPB_AudioConfig_API implementation.
PP_AudioSampleRate GetSampleRate() override;
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_;
};
} // namespace ppapi
#endif // PPAPI_SHARED_IMPL_PPB_AUDIO_CONFIG_SHARED_H_
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