mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-13 22:00:47 +01:00
10542f21c8
Mechanically generated by running this command: tools_webrtc/do-renames.sh update all-renames.txt && git cl format Then manually updating: tools_webrtc/sanitizers/tsan_suppressions_webrtc.cc Bug: webrtc:10159 No-Presubmit: true No-Tree-Checks: true No-Try: true Change-Id: I54824cd91dada8fc3ee3d098f971bc319d477833 Reviewed-on: https://webrtc-review.googlesource.com/c/115653 Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#26226}
60 lines
2.4 KiB
C++
60 lines
2.4 KiB
C++
/*
|
|
* 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_AUDIO_ENCODER_FACTORY_H_
|
|
#define API_AUDIO_CODECS_AUDIO_ENCODER_FACTORY_H_
|
|
|
|
#include <memory>
|
|
#include <vector>
|
|
|
|
#include "absl/types/optional.h"
|
|
#include "api/audio_codecs/audio_codec_pair_id.h"
|
|
#include "api/audio_codecs/audio_encoder.h"
|
|
#include "api/audio_codecs/audio_format.h"
|
|
#include "rtc_base/ref_count.h"
|
|
|
|
namespace webrtc {
|
|
|
|
// A factory that creates AudioEncoders.
|
|
class AudioEncoderFactory : public rtc::RefCountInterface {
|
|
public:
|
|
// Returns a prioritized list of audio codecs, to use for signaling etc.
|
|
virtual std::vector<AudioCodecSpec> GetSupportedEncoders() = 0;
|
|
|
|
// Returns information about how this format would be encoded, provided it's
|
|
// supported. More format and format variations may be supported than those
|
|
// returned by GetSupportedEncoders().
|
|
virtual absl::optional<AudioCodecInfo> QueryAudioEncoder(
|
|
const SdpAudioFormat& format) = 0;
|
|
|
|
// Creates an AudioEncoder for the specified format. The encoder will tags its
|
|
// payloads with the specified payload type. The `codec_pair_id` argument is
|
|
// used to link encoders and decoders that talk to the same remote entity: if
|
|
// a AudioEncoderFactory::MakeAudioEncoder() and a
|
|
// AudioDecoderFactory::MakeAudioDecoder() call receive non-null IDs that
|
|
// compare equal, the factory implementations may assume that the encoder and
|
|
// decoder form a pair. (The intended use case for this is to set up
|
|
// communication between the AudioEncoder and AudioDecoder instances, which is
|
|
// needed for some codecs with built-in bandwidth adaptation.)
|
|
//
|
|
// Note: Implementations need to be robust against combinations other than
|
|
// one encoder, one decoder getting the same ID; such encoders must still
|
|
// work.
|
|
//
|
|
// TODO(ossu): Try to avoid audio encoders having to know their payload type.
|
|
virtual std::unique_ptr<AudioEncoder> MakeAudioEncoder(
|
|
int payload_type,
|
|
const SdpAudioFormat& format,
|
|
absl::optional<AudioCodecPairId> codec_pair_id) = 0;
|
|
};
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // API_AUDIO_CODECS_AUDIO_ENCODER_FACTORY_H_
|