blob: 26c657b9d3d56aef980d0ee837e33736244de01d [file] [log] [blame]
/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "api/audio_codecs/g722/audio_decoder_g722.h"
#include <memory>
#include <vector>
#include "common_types.h" // NOLINT(build/include)
#include "modules/audio_coding/codecs/g722/audio_decoder_g722.h"
#include "rtc_base/ptr_util.h"
#include "rtc_base/safe_conversions.h"
namespace webrtc {
rtc::Optional<AudioDecoderG722::Config> AudioDecoderG722::SdpToConfig(
const SdpAudioFormat& format) {
return STR_CASE_CMP(format.name.c_str(), "G722") == 0 &&
format.clockrate_hz == 8000 &&
(format.num_channels == 1 || format.num_channels == 2)
? rtc::Optional<Config>(
Config{rtc::dchecked_cast<int>(format.num_channels)})
: rtc::Optional<Config>();
}
void AudioDecoderG722::AppendSupportedDecoders(
std::vector<AudioCodecSpec>* specs) {
specs->push_back({{"G722", 8000, 1}, {16000, 1, 64000}});
}
std::unique_ptr<AudioDecoder> AudioDecoderG722::MakeAudioDecoder(
Config config) {
switch (config.num_channels) {
case 1:
return rtc::MakeUnique<AudioDecoderG722Impl>();
case 2:
return rtc::MakeUnique<AudioDecoderG722StereoImpl>();
default:
return nullptr;
}
}
} // namespace webrtc