ppapi/api/private/ppb_camera_capabilities_private.idl

   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
   6 /**
   7  * This file defines the PPB_CameraCapabilities_Private interface for
   8  * establishing an image capture configuration resource within the browser.
   9  */
  10
  11 [generate_thunk]
  12
  13 label Chrome {
  14   M39 = 0.1
  15 };
  16
  17 /**
  18  * The <code>PPB_CameraCapabilities_Private</code> interface contains pointers
  19  * to several functions for getting the image capture capabilities within the
  20  * browser.
  21  */
  22 [version=0.1]
  23 interface PPB_CameraCapabilities_Private {
  24   /**
  25    * Creates a PPB_CameraCapabilities_Private resource.
  26    *
  27    * @param[in] instance A <code>PP_Instance</code> identifying one instance of
  28    * a module.
  29    *
  30    * @return A <code>PP_Resource</code> corresponding to a
  31    * PPB_CameraCapabilities_Private resource if successful, 0 if failed.
  32    */
  33   PP_Resource Create([in] PP_Instance instance);
  34
  35   /**
  36    * IsCameraCapabilities() determines if the given resource is a
  37    * <code>PPB_CameraCapabilities_Private</code>.
  38    *
  39    * @param[in] resource A <code>PP_Resource</code> corresponding to an image
  40    * capture capabilities resource.
  41    *
  42    * @return A <code>PP_Bool</code> containing <code>PP_TRUE</code> if the given
  43    * resource is an <code>PP_CameraCapabilities_Private</code> resource,
  44    * otherwise <code>PP_FALSE</code>.
  45    */
  46   PP_Bool IsCameraCapabilities(
  47       [in] PP_Resource resource);
  48
  49   /**
  50    * GetSupportedPreviewSizes() returns the supported preview sizes for the
  51    * given <code>PPB_CameraCapabilities_Private</code>.
  52    *
  53    * @param[in] capabilities A <code>PP_Resource</code> corresponding to an
  54    * image capture capabilities resource.
  55    * @param[out] array_size The size of preview size array.
  56    * @param[out] preview_sizes An array of <code>PP_Size</code> corresponding
  57    * to the supported preview sizes in pixels. The ownership of the array
  58    * belongs to <code>PPB_CameraCapabilities_Private</code> and the caller
  59    * should not free it. When a PPB_CameraCapabilities_Private is deleted,
  60    * the array returning from this is no longer valid.
  61    */
  62   void GetSupportedPreviewSizes(
  63       [in] PP_Resource capabilities,
  64       [out] int32_t array_size,
  65       [out, size_is(array_size)] PP_Size[] preview_sizes);
  66
  67   /**
  68    * GetSupportedJpegSize() returns the supported JPEG sizes for the given
  69    * <code>PPB_CameraCapabilities_Private</code>.
  70    *
  71    * @param[in] capabilities A <code>PP_Resource</code> corresponding to an
  72    * image capture capabilities resource.
  73    * @param[out] array_size The size of JPEG size array. If the output of this
  74    * is 0, the camera has no support for generating JPEG images.
  75    * @param[out] jpeg_sizes An array of <code>PP_Size</code> corresponding to
  76    * the supported JPEG image sizes in pixels. The ownership of the array
  77    * belongs to <code>PPB_CameraCapabilities_Private</code> and the caller
  78    * should not free it. When a PPB_CameraCapabilities_Private is deleted, the
  79    * array returning from this is no longer valid.
  80    */
  81   void GetSupportedJpegSizes(
  82       [in] PP_Resource capabilities,
  83       [out] int32_t array_size,
  84       [out, size_is(array_size)] PP_Size[] jpeg_sizes);
  85 };