/usr/include/thunderbird/DecoderTraits.h is in thunderbird-dev 1:38.6.0+build1-0ubuntu1.
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef DecoderTraits_h_
#define DecoderTraits_h_
#include "nsCOMPtr.h"
class nsAString;
class nsACString;
namespace mozilla {
class AbstractMediaDecoder;
class MediaDecoder;
class MediaDecoderOwner;
class MediaDecoderReader;
enum CanPlayStatus {
CANPLAY_NO,
CANPLAY_MAYBE,
CANPLAY_YES
};
class DecoderTraits {
public:
// Returns the CanPlayStatus indicating if we can handle this
// MIME type. The MIME type should not include the codecs parameter.
// That parameter should be passed in aCodecs, and will only be
// used if whether a given MIME type being handled depends on the
// codec that will be used. If the codecs parameter has not been
// specified, pass false in aHaveRequestedCodecs.
static CanPlayStatus CanHandleMediaType(const char* aMIMEType,
bool aHaveRequestedCodecs,
const nsAString& aRequestedCodecs);
// Returns true if we should handle this MIME type when it appears
// as an <object> or as a toplevel page. If, in practice, our support
// for the type is more limited than appears in the wild, we should return
// false here even if CanHandleMediaType would return true.
static bool ShouldHandleMediaType(const char* aMIMEType);
// Create a decoder for the given aType. Returns null if we
// were unable to create the decoder.
static already_AddRefed<MediaDecoder> CreateDecoder(const nsACString& aType,
MediaDecoderOwner* aOwner);
// Create a reader for thew given MIME type aType. Returns null
// if we were unable to create the reader.
static MediaDecoderReader* CreateReader(const nsACString& aType,
AbstractMediaDecoder* aDecoder);
// Returns true if MIME type aType is supported in video documents,
// or false otherwise. Not all platforms support all MIME types, and
// vice versa.
static bool IsSupportedInVideoDocument(const nsACString& aType);
// Returns true if we should not start decoder until we receive
// OnConnected signal. (currently RTSP only)
static bool DecoderWaitsForOnConnected(const nsACString& aType);
};
}
#endif
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