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// Copyright 2014 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 "ppapi/proxy/audio_buffer_resource.h"
#include "base/logging.h"
#include "ppapi/c/pp_bool.h"
#include "ppapi/shared_impl/media_stream_buffer.h"
#include "ppapi/shared_impl/var.h"
namespace ppapi {
namespace proxy {
AudioBufferResource::AudioBufferResource(PP_Instance instance,
int32_t index,
MediaStreamBuffer* buffer)
: Resource(OBJECT_IS_PROXY, instance),
index_(index),
buffer_(buffer) {
DCHECK_EQ(buffer_->header.type, MediaStreamBuffer::TYPE_AUDIO);
}
AudioBufferResource::~AudioBufferResource() {
CHECK(!buffer_) << "An unused (or unrecycled) buffer is destroyed.";
}
thunk::PPB_AudioBuffer_API* AudioBufferResource::AsPPB_AudioBuffer_API() {
return this;
}
PP_TimeDelta AudioBufferResource::GetTimestamp() {
if (!buffer_) {
VLOG(1) << "Buffer is invalid";
return 0.0;
}
return buffer_->audio.timestamp;
}
void AudioBufferResource::SetTimestamp(PP_TimeDelta timestamp) {
if (!buffer_) {
VLOG(1) << "Buffer is invalid";
return;
}
buffer_->audio.timestamp = timestamp;
}
PP_AudioBuffer_SampleRate AudioBufferResource::GetSampleRate() {
if (!buffer_) {
VLOG(1) << "Buffer is invalid";
return PP_AUDIOBUFFER_SAMPLERATE_UNKNOWN;
}
return buffer_->audio.sample_rate;
}
PP_AudioBuffer_SampleSize AudioBufferResource::GetSampleSize() {
if (!buffer_) {
VLOG(1) << "Buffer is invalid";
return PP_AUDIOBUFFER_SAMPLESIZE_UNKNOWN;
}
return PP_AUDIOBUFFER_SAMPLESIZE_16_BITS;
}
uint32_t AudioBufferResource::GetNumberOfChannels() {
if (!buffer_) {
VLOG(1) << "Buffer is invalid";
return 0;
}
return buffer_->audio.number_of_channels;
}
uint32_t AudioBufferResource::GetNumberOfSamples() {
if (!buffer_) {
VLOG(1) << "Buffer is invalid";
return 0;
}
return buffer_->audio.number_of_samples;
}
void* AudioBufferResource::GetDataBuffer() {
if (!buffer_) {
VLOG(1) << "Buffer is invalid";
return NULL;
}
return buffer_->audio.data;
}
uint32_t AudioBufferResource::GetDataBufferSize() {
if (!buffer_) {
VLOG(1) << "Buffer is invalid";
return 0;
}
return buffer_->audio.data_size;
}
MediaStreamBuffer* AudioBufferResource::GetBuffer() {
return buffer_;
}
int32_t AudioBufferResource::GetBufferIndex() {
return index_;
}
void AudioBufferResource::Invalidate() {
DCHECK(buffer_);
DCHECK_GE(index_, 0);
buffer_ = NULL;
index_ = -1;
}
} // namespace proxy
} // namespace ppapi
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