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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.
*/
#include "config.h"
#include "AudioDecoder.h"
#if ENABLE(WEB_CODECS)
#if USE(AVFOUNDATION)
#include "AudioDecoderCocoa.h"
#endif
#if USE(GSTREAMER)
#include "AudioDecoderGStreamer.h"
#include "GStreamerRegistryScanner.h"
#endif
#include <wtf/UniqueRef.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
bool AudioDecoder::isCodecSupported(const StringView& codec)
{
bool isMPEG4AAC = codec == "mp4a.40.2"_s || codec == "mp4a.40.02"_s || codec == "mp4a.40.5"_s
|| codec == "mp4a.40.05"_s || codec == "mp4a.40.29"_s || codec == "mp4a.40.42"_s;
bool isCodecAllowed = isMPEG4AAC || codec == "mp3"_s || codec == "opus"_s
|| codec == "alaw"_s || codec == "ulaw"_s || codec == "flac"_s
|| codec == "vorbis"_s || codec.startsWith("pcm-"_s);
if (!isCodecAllowed)
return false;
bool result = false;
#if USE(GSTREAMER)
auto& scanner = GStreamerRegistryScanner::singleton();
result = scanner.isCodecSupported(GStreamerRegistryScanner::Configuration::Decoding, codec.toString());
#elif USE(AVFOUNDATION)
result = !!AudioDecoderCocoa::isCodecSupported(codec);
#endif
return result;
}
Ref<AudioDecoder::CreatePromise> AudioDecoder::create(const String& codecName, const Config& config, OutputCallback&& outputCallback)
{
#if USE(GSTREAMER)
CreatePromise::Producer producer;
Ref promise = producer.promise();
CreateCallback callback = [producer = WTFMove(producer)] (auto&& result) mutable {
producer.settle(WTFMove(result));
};
GStreamerAudioDecoder::create(codecName, config, WTFMove(callback), WTFMove(outputCallback));
return promise;
#elif USE(AVFOUNDATION)
return AudioDecoderCocoa::create(codecName, config, WTFMove(outputCallback));
#else
UNUSED_PARAM(codecName);
UNUSED_PARAM(config);
UNUSED_PARAM(outputCallback);
return CreatePromise::createAndReject("Not supported"_s));
#endif
}
AudioDecoder::AudioDecoder() = default;
AudioDecoder::~AudioDecoder() = default;
}
#endif // ENABLE(WEB_CODECS)
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