nsMediaSniffer.h - mozsearch

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim:set ts=2 sw=2 sts=2 tw=80 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 nsMediaSniffer_h

#define nsMediaSniffer_h

#include "nsIContentSniffer.h"

#include "mozilla/Attributes.h"

// ed905ba3-c656-480e-934e-6bc35bd36aff

#define NS_MEDIA_SNIFFER_CID                         \

  {                                                  \

    0x3fdd6c28, 0x5b87, 0x4e3e, {                    \

      0x8b, 0x57, 0x8e, 0x83, 0xc2, 0x3c, 0x1a, 0x6d \

    }                                                \

#define NS_MEDIA_SNIFFER_CONTRACTID "@mozilla.org/media/sniffer;1"

#define PATTERN_ENTRY(mask, pattern, contentType) \

  {(const uint8_t*)mask, (const uint8_t*)pattern, sizeof(mask) - 1, contentType}

struct nsMediaSnifferEntry {

  const uint8_t* mMask;

  const uint8_t* mPattern;

  const uint32_t mLength;

  const char* mContentType;

};

bool MatchesMP4(const uint8_t* aData, const uint32_t aLength,

                nsACString& aSniffedType);

class nsMediaSniffer final : public nsIContentSniffer {

 public:

  NS_DECL_ISUPPORTS

  NS_DECL_NSICONTENTSNIFFER

 private:

  ~nsMediaSniffer() = default;

  static nsMediaSnifferEntry sSnifferEntries[];

};

#endif