зеркало из https://github.com/mozilla/gecko-dev.git
83 строки
2.4 KiB
C++
83 строки
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* 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 "nsAString.h"
|
|
|
|
namespace mozilla
|
|
{
|
|
|
|
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);
|
|
|
|
#ifdef MOZ_RAW
|
|
static bool IsRawType(const nsACString& aType);
|
|
#endif
|
|
|
|
#ifdef MOZ_OGG
|
|
static bool IsOggType(const nsACString& aType);
|
|
#endif
|
|
|
|
#ifdef MOZ_WAVE
|
|
static bool IsWaveType(const nsACString& aType);
|
|
#endif
|
|
|
|
#ifdef MOZ_WEBM
|
|
static bool IsWebMType(const nsACString& aType);
|
|
#endif
|
|
|
|
#ifdef MOZ_GSTREAMER
|
|
// When enabled, use GStreamer for H.264, but not for codecs handled by our
|
|
// bundled decoders, unless the "media.prefer-gstreamer" pref is set.
|
|
static bool IsGStreamerSupportedType(const nsACString& aType);
|
|
static bool IsH264Type(const nsACString& aType);
|
|
#endif
|
|
|
|
#ifdef MOZ_WIDGET_GONK
|
|
static bool IsOmxSupportedType(const nsACString& aType);
|
|
#endif
|
|
|
|
#ifdef MOZ_MEDIA_PLUGINS
|
|
static bool IsMediaPluginsType(const nsACString& aType);
|
|
#endif
|
|
|
|
#ifdef MOZ_DASH
|
|
static bool IsDASHMPDType(const nsACString& aType);
|
|
#endif
|
|
|
|
#ifdef MOZ_WMF
|
|
static bool IsWMFSupportedType(const nsACString& aType);
|
|
#endif
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|
|
|