media/base/android/media_url_interceptor.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MEDIA_BASE_ANDROID_MEDIA_URL_INTERCEPTOR_H_
   6 #define MEDIA_BASE_ANDROID_MEDIA_URL_INTERCEPTOR_H_
   7
   8 #include <string>
   9
  10 #include "base/android/jni_android.h"
  11 #include "media/base/media_export.h"
  12
  13 namespace media {
  14
  15 // Interceptor for content embedders to handle custom media urls
  16 // and translate them into files containing media.
  17 class MEDIA_EXPORT MediaUrlInterceptor {
  18  public:
  19   virtual ~MediaUrlInterceptor() {};
  20
  21   // Returns true if the embedder has intercepted the url and
  22   // false otherwise.
  23   // Output arguments (only when the url has been intercepted):
  24   // - |fd|: file descriptor to the file containing the media element.
  25   // - |offset|: offset in bytes from the start of the file to the
  26   //             media element.
  27   // - |size|: size in bytes of the media element.
  28   virtual bool Intercept(const std::string& url,
  29                          int* fd,
  30                          int64* offset,
  31                          int64* size) const = 0;
  32 };
  33
  34 }  // namespace media
  35
  36 #endif  // MEDIA_BASE_ANDROID_MEDIA_URL_INTERCEPTOR_H_