Hook up CDM calls in CdmWrapper.

ppapi/c/private/ppp_content_decryptor_private.h

 /* Copyright (c) 2012 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.
  */
 
 /* From private/ppp_content_decryptor_private.idl,
- *   modified Fri Aug 17 09:07:21 2012.
+ *   modified Tue Aug 21 18:37:34 2012.
  */
 
 #ifndef PPAPI_C_PRIVATE_PPP_CONTENT_DECRYPTOR_PRIVATE_H_
 #define PPAPI_C_PRIVATE_PPP_CONTENT_DECRYPTOR_PRIVATE_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_stdint.h"
 #include "ppapi/c/pp_var.h"
 #include "ppapi/c/private/pp_content_decryptor.h"
 
 #define PPP_CONTENTDECRYPTOR_PRIVATE_INTERFACE_0_1 \
     "PPP_ContentDecryptor_Private;0.1"
 #define PPP_CONTENTDECRYPTOR_PRIVATE_INTERFACE \
     PPP_CONTENTDECRYPTOR_PRIVATE_INTERFACE_0_1
 
 /**
  * @file
  * This file defines the <code>PPP_ContentDecryptor_Private</code>
  * interface. Note: This is a special interface, only to be used for Content
- * Decryption Modules, not normal plugins.
+ * Decryption Modules (CDM), not normal plugins.
  */
 
 
 /**
  * @addtogroup Interfaces
  * @{
  */
 /**
  * <code>PPP_ContentDecryptor_Private</code> structure contains the function
  * pointers the decryption plugin must implement to provide services needed by
@@ skipping 11 matching lines @@
    * other methods on this interface. The session ID must be provided to the
    * browser by the CDM via <code>KeyMessage()</code> on the
    * <code>PPB_ContentDecryptor_Private</code> interface.
    *
    * @param[in] key_system A <code>PP_Var</code> of type
    * <code>PP_VARTYPE_STRING</code> containing the name of the key system.
    *
    * @param[in] init_data A <code>PP_Var</code> of type
    * <code>PP_VARTYPE_ARRAYBUFFER</code> containing container specific
    * initialization data.
+   *
+   * @return <code>PP_TRUE</code> if this call can be forwarded to the CDM
+   * successfully. <code>PP_TRUE</code> otherwise. Once the call reaches the
+   * CDM, the call result/stuatus can always be reported asynchronously through
+   * the <code>PPB_ContentDecryptor_Private</code> interface.
    */
   PP_Bool (*GenerateKeyRequest)(PP_Instance instance,
                                 struct PP_Var key_system,
                                 struct PP_Var init_data);
   /**
    * Provides a key or license to the decryptor for decrypting media data.
    *
    * When the CDM needs more information to complete addition of the key it
    * will call <code>KeyMessage()</code> on the
    * <code>PPB_ContentDecryptor_Private</code> interface, which the browser
    * passes to the application. When the key is ready to use, the CDM
    * must call call <code>KeyAdded()</code> on the
    * <code>PPB_ContentDecryptor_Private</code> interface, and the browser
    * must notify the web application.
    *
    * @param[in] session_id A <code>PP_Var</code> of type
    * <code>PP_VARTYPE_STRING</code> containing the session ID.
    *
    * @param[in] key A <code>PP_Var</code> of type
    * <code>PP_VARTYPE_ARRAYBUFFER</code> containing the decryption key, license,
    * or other message for the given session ID.
    *
    * @param[in] init_data A <code>PP_Var</code> of type
    * <code>PP_VARTYPE_ARRAYBUFFER</code> containing container specific
    * initialization data.
+   *
+   * @return <code>PP_TRUE</code> if this call can be forwarded to the CDM
+   * successfully. <code>PP_TRUE</code> otherwise. Once the call reaches the
+   * CDM, the call result/stuatus can always be reported asynchronously through
+   * the <code>PPB_ContentDecryptor_Private</code> interface.
    */
   PP_Bool (*AddKey)(PP_Instance instance,
                     struct PP_Var session_id,
                     struct PP_Var key,
                     struct PP_Var init_data);
   /**
    * Cancels a pending key request for the specified session ID.
    *
    * @param[in] session_id A <code>PP_Var</code> of type
    * <code>PP_VARTYPE_STRING</code> containing the session ID.
+   *
+   * @return <code>PP_TRUE</code> if this call can be forwarded to the CDM
+   * successfully. <code>PP_TRUE</code> otherwise. Once the call reaches the
+   * CDM, the call result/stuatus can always be reported asynchronously through
+   * the <code>PPB_ContentDecryptor_Private</code> interface.
    */
   PP_Bool (*CancelKeyRequest)(PP_Instance instance, struct PP_Var session_id);
   /**
    * Decrypts the block and returns the unencrypted block via
    * <code>DeliverBlock()</code> on the
    * <code>PPB_ContentDecryptor_Private</code> interface. The returned block
    * contains encoded data.
    *
    * @param[in] resource A <code>PP_Resource</code> corresponding to a
    * <code>PPB_Buffer_Dev</code> resource that contains an encrypted data
    * block.
    *
    * @param[in] encrypted_block_info A <code>PP_EncryptedBlockInfo</code> that
    * contains all auxiliary information needed for decryption of the
    * <code>encrypted_block</code>.
+   *
+   * @return <code>PP_TRUE</code> if this call can be forwarded to the CDM
+   * successfully. <code>PP_TRUE</code> otherwise. Once the call reaches the
+   * CDM, the call result/stuatus can always be reported asynchronously through
+   * the <code>PPB_ContentDecryptor_Private</code> interface.
    */
   PP_Bool (*Decrypt)(
       PP_Instance instance,
       PP_Resource encrypted_block,
       const struct PP_EncryptedBlockInfo* encrypted_block_info);
   /**
    * Decrypts the block, decodes it, and returns the unencrypted uncompressed
    * (decoded) media to the browser via the
    * <code>PPB_ContentDecryptor_Private</code> interface.
    *
    * Decrypted and decoded video frames are sent to <code>DeliverFrame()</code>,
    * and decrypted and decoded audio samples are sent to
    * <code>DeliverSamples()</code>.
    *
    * @param[in] resource A <code>PP_Resource</code> corresponding to a
    * <code>PPB_Buffer_Dev</code> resource that contains an encrypted data
    * block.
    *
    * @param[in] encrypted_block_info A <code>PP_EncryptedBlockInfo</code> that
    * contains all auxiliary information needed for decryption of the
    * <code>encrypted_block</code>.
+   *
+   * @return <code>PP_TRUE</code> if this call can be forwarded to the CDM
+   * successfully. <code>PP_TRUE</code> otherwise. Once the call reaches the
+   * CDM, the call result/stuatus can always be reported asynchronously through
+   * the <code>PPB_ContentDecryptor_Private</code> interface.
    */
   PP_Bool (*DecryptAndDecode)(
       PP_Instance instance,
       PP_Resource encrypted_block,
       const struct PP_EncryptedBlockInfo* encrypted_block_info);
 };
 
 typedef struct PPP_ContentDecryptor_Private_0_1 PPP_ContentDecryptor_Private;
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_PRIVATE_PPP_CONTENT_DECRYPTOR_PRIVATE_H_ */