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// Copyright 2015 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 "content/browser/renderer_host/media/audio_input_debug_writer.h"
#include "content/public/browser/browser_thread.h"
#include "media/base/audio_bus.h"
namespace content {
AudioInputDebugWriter::AudioInputDebugWriter(base::File file)
: file_(file.Pass()),
interleaved_data_size_(0),
weak_factory_(this) {
}
AudioInputDebugWriter::~AudioInputDebugWriter() {
DCHECK_CURRENTLY_ON(BrowserThread::FILE);
}
void AudioInputDebugWriter::Write(scoped_ptr<media::AudioBus> data) {
BrowserThread::PostTask(
BrowserThread::FILE,
FROM_HERE,
base::Bind(&AudioInputDebugWriter::DoWrite,
weak_factory_.GetWeakPtr(),
base::Passed(&data)));
}
void AudioInputDebugWriter::DoWrite(scoped_ptr<media::AudioBus> data) {
DCHECK_CURRENTLY_ON(BrowserThread::FILE);
// Convert to 16 bit audio and write to file.
int data_size = data->frames() * data->channels();
if (!interleaved_data_ || interleaved_data_size_ < data_size) {
interleaved_data_.reset(new int16_t[data_size]);
interleaved_data_size_ = data_size;
}
data->ToInterleaved(data->frames(), sizeof(interleaved_data_[0]),
interleaved_data_.get());
file_.WriteAtCurrentPos(reinterpret_cast<char*>(interleaved_data_.get()),
data_size * sizeof(interleaved_data_[0]));
}
} // namspace content
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