blob: 643d1e19fff625f409e79d3094db39af4d188f0e [file] [log] [blame]
// 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.
#include <stdint.h>
#include "base/compiler_specific.h"
#include "base/macros.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 {
~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;
// 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