| /* Copyright 2013 The Chromium Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| /** |
| * This file defines the API for output protection. Currently, it only supports |
| * Chrome OS. |
| */ |
| |
| [generate_thunk] |
| |
| label Chrome { |
| M31 = 0.1 |
| }; |
| |
| /** |
| * Content protection methods applied on video output link. |
| */ |
| [assert_size(4)] enum PP_OutputProtectionMethod_Private { |
| PP_OUTPUT_PROTECTION_METHOD_PRIVATE_NONE = 0, |
| PP_OUTPUT_PROTECTION_METHOD_PRIVATE_HDCP = 1 << 0 |
| }; |
| |
| /** |
| * Video output link types. |
| */ |
| [assert_size(4)] enum PP_OutputProtectionLinkType_Private { |
| PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_NONE = 0, |
| PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_UNKNOWN = 1 << 0, |
| PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_INTERNAL = 1 << 1, |
| PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_VGA = 1 << 2, |
| PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_HDMI = 1 << 3, |
| PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_DVI = 1 << 4, |
| PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_DISPLAYPORT = 1 << 5, |
| PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_NETWORK = 1 << 6 |
| }; |
| |
| /** |
| * The <code>PPB_OutputProtection_Private</code> interface allows controlling |
| * output protection. |
| * |
| * <strong>Example:</strong> |
| * |
| * @code |
| * op = output_protection->Create(instance); |
| * output_protection->QueryStatus(op, &link_mask, &protection_mask, |
| * done_callback); |
| * @endcode |
| * |
| * In this example, the plugin wants to enforce HDCP for HDMI link. |
| * @code |
| * if (link_mask & PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_HDMI) { |
| * output_protection->EnableProtection( |
| * op, PP_OUTPUT_PROTECTION_METHOD_PRIVATE_HDCP, done_callback); |
| * } |
| * @endcode |
| * |
| * After EnableProtection() completes, the plugin has to query protection |
| * status periodically to make sure the protection is enabled and remains |
| * enabled. |
| */ |
| interface PPB_OutputProtection_Private { |
| /** |
| * Create() creates a new <code>PPB_OutputProtection_Private</code> object. |
| * |
| * @pram[in] instance A <code>PP_Instance</code> identifying one instance of |
| * a module. |
| * |
| * @return A <code>PP_Resource</code> corresponding to a |
| * <code>PPB_OutputProtection_Private</code> if successful, 0 if creation |
| * failed. |
| */ |
| PP_Resource Create([in] PP_Instance instance); |
| |
| /** |
| * IsOutputProtection() determines if the provided resource is a |
| * <code>PPB_OutputProtection_Private</code>. |
| * |
| * @param[in] resource A <code>PP_Resource</code> corresponding to a |
| * <code>PPB_OutputProtection_Private</code>. |
| * |
| * @return <code>PP_TRUE</code> if the resource is a |
| * <code>PPB_OutputProtection_Private</code>, <code>PP_FALSE</code> if the |
| * resource is invalid or some type other than |
| * <code>PPB_OutputProtection_Private</code>. |
| */ |
| PP_Bool IsOutputProtection([in] PP_Resource resource); |
| |
| /** |
| * Query link status and protection status. |
| * Clients have to query status periodically in order to detect changes. |
| * |
| * @param[in] resource A <code>PP_Resource</code> corresponding to a |
| * <code>PPB_OutputProtection_Private</code>. |
| * @param[out] link_mask The type of connected output links, which is a |
| * bit-mask of the <code>PP_OutputProtectionLinkType_Private</code> values. |
| * @param[out] protection_mask Enabled protection methods, which is a |
| * bit-mask of the <code>PP_OutputProtectionMethod_Private</code> values. |
| * @param[in] callback A <code>PP_CompletionCallback</code> to run on |
| * asynchronous completion of QueryStatus(). This callback will only run if |
| * QueryStatus() returns <code>PP_OK_COMPLETIONPENDING</code>. |
| * |
| * @return An int32_t containing an error code from <code>pp_errors.h</code>. |
| */ |
| int32_t QueryStatus( |
| [in] PP_Resource resource, |
| [out] uint32_t link_mask, |
| [out] uint32_t protection_mask, |
| [in] PP_CompletionCallback callback); |
| |
| /** |
| * Set desired protection methods. |
| * |
| * When the desired protection method(s) have been applied to all applicable |
| * output links, the relevant bit(s) of the protection_mask returned by |
| * QueryStatus() will be set. Otherwise, the relevant bit(s) of |
| * protection_mask will not be set; there is no separate error code or |
| * callback. |
| * |
| * Protections will be disabled if no longer desired by all instances. |
| * |
| * @param[in] resource A <code>PP_Resource</code> corresponding to a |
| * <code>PPB_OutputProtection_Private</code>. |
| * @param[in] desired_protection_mask The desired protection methods, which |
| * is a bit-mask of the <code>PP_OutputProtectionMethod_Private</code> |
| * values. |
| * @param[in] callback A <code>PP_CompletionCallback</code> to be called with |
| * <code>PP_OK</code> when the protection request has been made. This may be |
| * before the protection have actually been applied. Call QueryStatus to get |
| * protection status. If it failed to make the protection request, the |
| * callback is called with <code>PP_ERROR_FAILED</code> and there is no need |
| * to call QueryStatus(). |
| * |
| * @return An int32_t containing an error code from <code>pp_errors.h</code>. |
| */ |
| int32_t EnableProtection( |
| [in] PP_Resource resource, |
| [in] uint32_t desired_protection_mask, |
| [in] PP_CompletionCallback callback); |
| }; |