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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 "chromecast/media/cma/ipc_streamer/audio_decoder_config_marshaller.h"
#include <stddef.h>
#include <stdint.h>
#include <vector>
#include "base/logging.h"
#include "chromecast/media/cma/ipc/media_message.h"
#include "media/base/audio_decoder_config.h"
namespace chromecast {
namespace media {
namespace {
const size_t kMaxExtraDataSize = 16 * 1024;
}
// static
void AudioDecoderConfigMarshaller::Write(
const ::media::AudioDecoderConfig& config, MediaMessage* msg) {
CHECK(msg->WritePod(config.codec()));
CHECK(msg->WritePod(config.channel_layout()));
CHECK(msg->WritePod(config.samples_per_second()));
CHECK(msg->WritePod(config.sample_format()));
CHECK(msg->WritePod(config.is_encrypted()));
CHECK(msg->WritePod(config.extra_data().size()));
if (!config.extra_data().empty())
CHECK(msg->WriteBuffer(&config.extra_data()[0],
config.extra_data().size()));
}
// static
::media::AudioDecoderConfig AudioDecoderConfigMarshaller::Read(
MediaMessage* msg) {
::media::AudioCodec codec;
::media::SampleFormat sample_format;
::media::ChannelLayout channel_layout;
int samples_per_second;
bool is_encrypted;
size_t extra_data_size;
std::vector<uint8_t> extra_data;
CHECK(msg->ReadPod(&codec));
CHECK(msg->ReadPod(&channel_layout));
CHECK(msg->ReadPod(&samples_per_second));
CHECK(msg->ReadPod(&sample_format));
CHECK(msg->ReadPod(&is_encrypted));
CHECK(msg->ReadPod(&extra_data_size));
CHECK_GE(codec, ::media::kUnknownAudioCodec);
CHECK_LE(codec, ::media::kAudioCodecMax);
CHECK_GE(channel_layout, ::media::CHANNEL_LAYOUT_NONE);
CHECK_LE(channel_layout, ::media::CHANNEL_LAYOUT_MAX);
CHECK_GE(sample_format, ::media::kUnknownSampleFormat);
CHECK_LE(sample_format, ::media::kSampleFormatMax);
CHECK_LT(extra_data_size, kMaxExtraDataSize);
if (extra_data_size > 0) {
extra_data.resize(extra_data_size);
CHECK(msg->ReadBuffer(&extra_data[0], extra_data.size()));
}
return ::media::AudioDecoderConfig(
codec, sample_format,
channel_layout, samples_per_second,
extra_data, is_encrypted);
}
} // namespace media
} // namespace chromecast
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