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/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
*
* 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 "VideoDecoder.h"
#if USE(LIBWEBRTC) && PLATFORM(COCOA)
#include "LibWebRTCVPXVideoDecoder.h"
#include "WebRTCProvider.h"
#endif
#if USE(GSTREAMER)
#include "VideoDecoderGStreamer.h"
#endif
#include <wtf/UniqueRef.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
VideoDecoder::CreatorFunction VideoDecoder::s_customCreator = nullptr;
void VideoDecoder::setCreatorCallback(CreatorFunction&& function)
{
s_customCreator = WTFMove(function);
}
bool VideoDecoder::isVPXSupported()
{
#if USE(LIBWEBRTC) && PLATFORM(COCOA)
return WebRTCProvider::webRTCAvailable();
#elif USE(GSTREAMER)
return true;
#else
return false;
#endif
}
Ref<VideoDecoder::CreatePromise> VideoDecoder::create(const String& codecName, const Config& config, OutputCallback&& outputCallback)
{
CreatePromise::Producer producer;
Ref promise = producer.promise();
CreateCallback callback = [producer = WTFMove(producer)] (auto&& result) mutable {
producer.settle(WTFMove(result));
};
if (s_customCreator) {
s_customCreator(codecName, config, WTFMove(callback), WTFMove(outputCallback));
return promise;
}
createLocalDecoder(codecName, config, WTFMove(callback), WTFMove(outputCallback));
return promise;
}
#define LE_CHR(a, b, c, d) (((a)<<24) | ((b)<<16) | ((c)<<8) | (d))
String VideoDecoder::fourCCToCodecString(uint32_t fourCC)
{
switch (fourCC) {
case LE_CHR('v', 'p', '0', '8'): return "vp8"_s;
case LE_CHR('v', 'p', '0', '9'): return "vp09.00"_s;
case LE_CHR('a', 'v', '0', '1'): return "av01."_s;
default:
return nullString();
}
}
void VideoDecoder::createLocalDecoder(const String& codecName, const Config& config, CreateCallback&& callback, OutputCallback&& outputCallback)
{
#if USE(LIBWEBRTC) && PLATFORM(COCOA)
if (codecName == "vp8"_s) {
LibWebRTCVPXVideoDecoder::create(LibWebRTCVPXVideoDecoder::Type::VP8, config, WTFMove(callback), WTFMove(outputCallback));
return;
}
if (codecName.startsWith("vp09.00"_s)) {
LibWebRTCVPXVideoDecoder::create(LibWebRTCVPXVideoDecoder::Type::VP9, config, WTFMove(callback), WTFMove(outputCallback));
return;
}
if (codecName.startsWith("vp09.02"_s)) {
LibWebRTCVPXVideoDecoder::create(LibWebRTCVPXVideoDecoder::Type::VP9_P2, config, WTFMove(callback), WTFMove(outputCallback));
return;
}
#if ENABLE(AV1)
if (codecName.startsWith("av01."_s)) {
LibWebRTCVPXVideoDecoder::create(LibWebRTCVPXVideoDecoder::Type::AV1, config, WTFMove(callback), WTFMove(outputCallback));
return;
}
#endif
#elif USE(GSTREAMER)
GStreamerVideoDecoder::create(codecName, config, WTFMove(callback), WTFMove(outputCallback));
return;
#else
UNUSED_PARAM(codecName);
UNUSED_PARAM(config);
UNUSED_PARAM(outputCallback);
#endif
callback(makeUnexpected("Not supported"_s));
}
VideoDecoder::VideoDecoder() = default;
VideoDecoder::~VideoDecoder() = default;
}
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