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/*
* Copyright (C) 2019 Igalia S.L
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* aint with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#if USE(GSTREAMER)
#include "GStreamerCommon.h"
#include "MediaConfiguration.h"
#include "MediaPlayerEnums.h"
#include "RTCRtpCapabilities.h"
#include <wtf/Forward.h>
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/Noncopyable.h>
#include <wtf/OptionSet.h>
#include <wtf/text/AtomString.h>
#include <wtf/text/AtomStringHash.h>
#include <wtf/text/StringHash.h>
#if USE(GSTREAMER_WEBRTC)
#include <gst/rtp/rtp.h>
#endif
namespace WebCore {
class ContentType;
void teardownGStreamerRegistryScanner();
class GStreamerRegistryScanner {
WTF_MAKE_NONCOPYABLE(GStreamerRegistryScanner)
public:
static bool singletonWasInitialized();
static GStreamerRegistryScanner& singleton();
static void getSupportedDecodingTypes(HashSet<String>&);
explicit GStreamerRegistryScanner(bool isMediaSource = false);
~GStreamerRegistryScanner() = default;
void refresh();
void teardown();
enum Configuration {
Decoding = 0,
Encoding
};
const HashSet<String>& mimeTypeSet(Configuration) const;
bool isContainerTypeSupported(Configuration, const String& containerType) const;
struct RegistryLookupResult {
bool isSupported { false };
bool isUsingHardware { false };
GRefPtr<GstElementFactory> factory;
operator bool() const { return isSupported; }
static RegistryLookupResult merge(const RegistryLookupResult& a, const RegistryLookupResult& b)
{
return RegistryLookupResult {
a.isSupported && b.isSupported,
a.isSupported && b.isSupported && a.isUsingHardware && b.isUsingHardware,
nullptr
};
}
friend bool operator==(const RegistryLookupResult& lhs, const RegistryLookupResult& rhs)
{
return lhs.isSupported == rhs.isSupported && lhs.isUsingHardware == rhs.isUsingHardware;
}
};
RegistryLookupResult isDecodingSupported(MediaConfiguration& mediaConfiguration) const { return isConfigurationSupported(Configuration::Decoding, mediaConfiguration); };
RegistryLookupResult isEncodingSupported(MediaConfiguration& mediaConfiguration) const { return isConfigurationSupported(Configuration::Encoding, mediaConfiguration); }
struct CodecLookupResult {
CodecLookupResult() = default;
CodecLookupResult(bool isSupported, const GRefPtr<GstElementFactory>& factory)
: isSupported(isSupported)
, factory(factory)
{
}
operator bool() const { return isSupported; }
bool isSupported { false };
GRefPtr<GstElementFactory> factory;
};
enum class CaseSensitiveCodecName : bool { No, Yes };
CodecLookupResult isCodecSupported(Configuration, const String& codec, bool usingHardware = false, CaseSensitiveCodecName = CaseSensitiveCodecName::Yes) const;
MediaPlayerEnums::SupportsType isContentTypeSupported(Configuration, const ContentType&, const Vector<ContentType>& contentTypesRequiringHardwareSupport, CaseSensitiveCodecName = CaseSensitiveCodecName::Yes) const;
bool areAllCodecsSupported(Configuration, const Vector<String>& codecs, bool shouldCheckForHardwareUse = false) const;
CodecLookupResult areCapsSupported(Configuration, const GRefPtr<GstCaps>&, bool shouldCheckForHardwareUse) const;
#if USE(GSTREAMER_WEBRTC)
RTCRtpCapabilities audioRtpCapabilities(Configuration);
RTCRtpCapabilities videoRtpCapabilities(Configuration);
Vector<RTCRtpCapabilities::HeaderExtensionCapability> audioRtpExtensions();
Vector<RTCRtpCapabilities::HeaderExtensionCapability> videoRtpExtensions();
RegistryLookupResult isRtpPacketizerSupported(const String& encoding);
#endif
protected:
struct ElementFactories {
enum class Type {
AudioParser = 1 << 0,
AudioDecoder = 1 << 1,
VideoParser = 1 << 2,
VideoDecoder = 1 << 3,
Demuxer = 1 << 4,
AudioEncoder = 1 << 5,
VideoEncoder = 1 << 6,
Muxer = 1 << 7,
RtpPayloader = 1 << 8,
RtpDepayloader = 1 << 9,
Decryptor = 1 << 10,
All = (1 << 10) - 1
};
explicit ElementFactories(OptionSet<Type>);
~ElementFactories();
static const char* elementFactoryTypeToString(Type);
GList* factory(Type) const;
enum class CheckHardwareClassifier : bool { No, Yes };
RegistryLookupResult hasElementForMediaType(Type, const ASCIILiteral& capsString, CheckHardwareClassifier = CheckHardwareClassifier::No, std::optional<Vector<String>> disallowedList = std::nullopt) const;
RegistryLookupResult hasElementForCaps(Type, const GRefPtr<GstCaps>&, CheckHardwareClassifier = CheckHardwareClassifier::No, std::optional<Vector<String>> disallowedList = std::nullopt) const;
GList* audioDecoderFactories { nullptr };
GList* audioParserFactories { nullptr };
GList* videoDecoderFactories { nullptr };
GList* videoParserFactories { nullptr };
GList* demuxerFactories { nullptr };
GList* audioEncoderFactories { nullptr };
GList* videoEncoderFactories { nullptr };
GList* muxerFactories { nullptr };
GList* rtpPayloaderFactories { nullptr };
GList* rtpDepayloaderFactories { nullptr };
GList* decryptorFactories { nullptr };
};
void initializeDecoders(const ElementFactories&);
void initializeEncoders(const ElementFactories&);
RegistryLookupResult isConfigurationSupported(Configuration, const MediaConfiguration&) const;
struct GstCapsWebKitMapping {
ElementFactories::Type elementType;
ASCIILiteral capsString;
Vector<ASCIILiteral> webkitMIMETypes;
Vector<ASCIILiteral> webkitCodecPatterns;
};
void fillMimeTypeSetFromCapsMapping(const ElementFactories&, const Vector<GstCapsWebKitMapping>&);
private:
CodecLookupResult isAVC1CodecSupported(Configuration, const String& codec, bool shouldCheckForHardwareUse) const;
CodecLookupResult isHEVCCodecSupported(Configuration, const String& codec, bool shouldCheckForHardwareUse) const;
ASCIILiteral configurationNameForLogging(Configuration) const;
bool supportsFeatures(const String& features) const;
#if USE(GSTREAMER_WEBRTC)
void fillAudioRtpCapabilities(Configuration, RTCRtpCapabilities&);
void fillVideoRtpCapabilities(Configuration, RTCRtpCapabilities&);
#define WEBRTC_EXPERIMENTS_HDREXT "http://www.webrtc.org/experiments/rtp-hdrext/"
Vector<ASCIILiteral> m_commonRtpExtensions {
"http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01"_s,
WEBRTC_EXPERIMENTS_HDREXT "abs-send-time"_s,
GST_RTP_HDREXT_BASE "sdes:mid"_s,
GST_RTP_HDREXT_BASE "sdes:repaired-rtp-stream-id"_s,
GST_RTP_HDREXT_BASE "sdes:rtp-stream-id"_s,
GST_RTP_HDREXT_BASE "toffset"_s
};
Vector<ASCIILiteral> m_allAudioRtpExtensions {
GST_RTP_HDREXT_BASE "ssrc-audio-level"_s
};
Vector<ASCIILiteral> m_allVideoRtpExtensions {
WEBRTC_EXPERIMENTS_HDREXT "color-space"_s,
WEBRTC_EXPERIMENTS_HDREXT "playout-delay"_s,
WEBRTC_EXPERIMENTS_HDREXT "video-content-type"_s,
WEBRTC_EXPERIMENTS_HDREXT "video-timing"_s,
"urn:3gpp:video-orientation"_s
};
#undef WEBRTC_EXPERIMENTS_HDREXT
std::optional<Vector<RTCRtpCapabilities::HeaderExtensionCapability>> m_audioRtpExtensions;
std::optional<Vector<RTCRtpCapabilities::HeaderExtensionCapability>> m_videoRtpExtensions;
#endif
bool m_isMediaSource { false };
HashSet<String> m_decoderMimeTypeSet;
UncheckedKeyHashMap<String, RegistryLookupResult> m_decoderCodecMap;
HashSet<String> m_encoderMimeTypeSet;
UncheckedKeyHashMap<String, RegistryLookupResult> m_encoderCodecMap;
};
} // namespace WebCore
#endif // USE(GSTREAMER)
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