webrtc/api/audio_codecs/g711/audio_decoder_g711.h
Karl Wiberg 17668ec4a5 Audio codec implementations: Take optional codec ID argument
None of the built-in codecs do anything with the ID, but callers will
soon require them to accept it.

Bug: webrtc:8941
Change-Id: I0eb77db82d72c7d34cff639fecb67c1e6ec421bf
Reviewed-on: https://webrtc-review.googlesource.com/58089
Commit-Queue: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Oskar Sundbom <ossu@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22259}
2018-03-01 19:28:38 +00:00

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1.5 KiB
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/*
* 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.
*/
#ifndef API_AUDIO_CODECS_G711_AUDIO_DECODER_G711_H_
#define API_AUDIO_CODECS_G711_AUDIO_DECODER_G711_H_
#include <memory>
#include <vector>
#include "api/audio_codecs/audio_codec_pair_id.h"
#include "api/audio_codecs/audio_decoder.h"
#include "api/audio_codecs/audio_format.h"
#include "api/optional.h"
namespace webrtc {
// G711 decoder API for use as a template parameter to
// CreateAudioDecoderFactory<...>().
//
// NOTE: This struct is still under development and may change without notice.
struct AudioDecoderG711 {
struct Config {
enum class Type { kPcmU, kPcmA };
bool IsOk() const {
return (type == Type::kPcmU || type == Type::kPcmA) && num_channels >= 1;
}
Type type;
int num_channels;
};
static rtc::Optional<Config> SdpToConfig(const SdpAudioFormat& audio_format);
static void AppendSupportedDecoders(std::vector<AudioCodecSpec>* specs);
static std::unique_ptr<AudioDecoder> MakeAudioDecoder(
const Config& config,
rtc::Optional<AudioCodecPairId> codec_pair_id = rtc::nullopt);
};
} // namespace webrtc
#endif // API_AUDIO_CODECS_G711_AUDIO_DECODER_G711_H_