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/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
* Copyright (C) 2023 Igalia S.L
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "PlatformRawAudioData.h"
#if ENABLE(WEB_CODECS)
#include "AudioEncoderActiveConfiguration.h"
#include "BitrateMode.h"
#include "WebCodecsAudioInternalData.h"
#include <span>
#include <wtf/NativePromise.h>
#include <wtf/Vector.h>
namespace WebCore {
class AudioEncoder : public ThreadSafeRefCounted<AudioEncoder> {
public:
virtual ~AudioEncoder() = default;
struct OpusConfig {
bool isOggBitStream { false };
uint64_t frameDuration { 20000 };
std::optional<size_t> complexity { };
size_t packetlossperc { 0 };
bool useinbandfec { false };
bool usedtx { false };
};
struct FlacConfig {
size_t blockSize;
size_t compressLevel;
};
struct Config {
size_t sampleRate;
size_t numberOfChannels;
uint64_t bitRate { 0 };
BitrateMode bitRateMode { BitrateMode::Variable };
std::optional<OpusConfig> opusConfig { };
std::optional<bool> isAacADTS { };
std::optional<FlacConfig> flacConfig { };
};
using ActiveConfiguration = AudioEncoderActiveConfiguration;
struct EncodedFrame {
Vector<uint8_t> data;
bool isKeyFrame { false };
int64_t timestamp { 0 };
std::optional<uint64_t> duration { };
};
struct RawFrame {
RefPtr<PlatformRawAudioData> frame;
int64_t timestamp { 0 };
std::optional<uint64_t> duration { };
};
using CreatePromise = NativePromise<Ref<AudioEncoder>, String>;
using DescriptionCallback = Function<void(ActiveConfiguration&&)>;
using OutputCallback = Function<void(EncodedFrame&&)>;
static Ref<CreatePromise> create(const String&, const Config&, DescriptionCallback&&, OutputCallback&&);
using EncodePromise = NativePromise<void, String>;
virtual Ref<EncodePromise> encode(RawFrame&&) = 0;
virtual Ref<GenericPromise> flush() = 0;
virtual void reset() = 0;
virtual void close() = 0;
};
}
#endif // ENABLE(WEB_CODECS)
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