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https://gitlab.winehq.org/wine/wine-gecko.git
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c2d0a094e1
This change moves the policy of supported media types in the element nsHTMLMediaElement to the DecoderTraits class. The codec-specific code has been removed from the media element.
97 lines
2.9 KiB
C++
97 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef DecoderTraits_h_
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#define DecoderTraits_h_
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#include "nsCOMPtr.h"
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#include "nsAString.h"
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namespace mozilla
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{
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class MediaDecoder;
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class MediaDecoderOwner;
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enum CanPlayStatus {
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CANPLAY_NO,
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CANPLAY_MAYBE,
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CANPLAY_YES
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};
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class DecoderTraits {
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public:
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// Returns the CanPlayStatus indicating if we can handle this
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// MIME type. The MIME type should not include the codecs parameter.
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// That parameter should be passed in aCodecs, and will only be
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// used if whether a given MIME type being handled depends on the
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// codec that will be used. If the codecs parameter has not been
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// specified, pass false in aHaveRequestedCodecs.
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static CanPlayStatus CanHandleMediaType(const char* aMIMEType,
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bool aHaveRequestedCodecs,
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const nsAString& aRequestedCodecs);
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// Returns true if we should handle this MIME type when it appears
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// as an <object> or as a toplevel page. If, in practice, our support
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// for the type is more limited than appears in the wild, we should return
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// false here even if CanHandleMediaType would return true.
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static bool ShouldHandleMediaType(const char* aMIMEType);
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#ifdef MOZ_RAW
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static bool IsRawType(const nsACString& aType);
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#endif
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#ifdef MOZ_OGG
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static bool IsOggType(const nsACString& aType);
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#endif
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#ifdef MOZ_WAVE
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static bool IsWaveType(const nsACString& aType);
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#endif
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#ifdef MOZ_WEBM
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static bool IsWebMType(const nsACString& aType);
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#endif
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#ifdef MOZ_GSTREAMER
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// When enabled, use GStreamer for H.264, but not for codecs handled by our
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// bundled decoders, unless the "media.prefer-gstreamer" pref is set.
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static bool IsGStreamerSupportedType(const nsACString& aType);
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static bool IsH264Type(const nsACString& aType);
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#endif
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#ifdef MOZ_WIDGET_GONK
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static bool IsOmxSupportedType(const nsACString& aType);
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#endif
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#ifdef MOZ_MEDIA_PLUGINS
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static bool IsMediaPluginsType(const nsACString& aType);
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#endif
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#ifdef MOZ_DASH
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static bool IsDASHMPDType(const nsACString& aType);
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#endif
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#ifdef MOZ_WMF
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static bool IsWMFSupportedType(const nsACString& aType);
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#endif
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// Create a decoder for the given aType. Returns null if we
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// were unable to create the decoder.
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static already_AddRefed<MediaDecoder> CreateDecoder(const nsACString& aType,
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MediaDecoderOwner* aOwner);
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// Returns true if MIME type aType is supported in video documents,
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// or false otherwise. Not all platforms support all MIME types, and
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// vice versa.
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static bool IsSupportedInVideoDocument(const nsACString& aType);
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};
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}
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#endif
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