Add decoder de-initialize and reset to the Pepper CDM API.

ppapi/api/private/ppp_content_decryptor_private.idl

 /* 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.
  */
 
 /**
  * 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.
  */
@@ skipping 104 matching lines @@
   * <code>PPB_Buffer_Dev</code> resource containing codec setup data required
   * by some codecs. It should be set to 0 when the codec being initialized
   * does not require it.
   */
   void InitializeVideoDecoder(
       [in] PP_Instance instance,
       [in] PP_VideoDecoderConfig decoder_config,
       [in] PP_Resource codec_extra_data);
 
   /**
+   * De-initializes the decoder for the <code>PP_DecryptorStreamType</code>
+   * specified by <code>decoder_type</code> and sets it to an uninitialized
+   * state. The decoder can be re-initialized after de-initialization completes
+   * by calling <code>InitializeAudioDecoder</code> or
+   * <code>InitializeVideoDecoder</code>.
+   *
+   * De-initialization completion is reported to the browser using the
+   * <code>DecoderDeinitializeDone()</code> method on the
+   * <code>PPB_ContentDecryptor_Private</code> interface.
+   *
+   * @param[in] decoder_type A <code>PP_DecryptorStreamType</code> that
+   * specifies the decoder to de-initialize.
+   *
+   * @param[in] request_id A request ID that allows the browser to associate a
+   * request to de-initialize a decoder with the corresponding call to the
+   * <code>DecoderDeinitializeDone()</code> method on the
+   * <code>PPB_ContentDecryptor_Private</code> interface.
+   */
+  void DeinitializeDecoder(
+      [in] PP_Instance instance,
+      [in] PP_DecryptorStreamType decoder_type,
+      [in] uint32_t request_id);
+
+  /**
+   * Resets the decoder for the <code>PP_DecryptorStreamType</code> specified
+   * by <code>decoder_type</code> to an initialized clean state. Reset
+   * completion is reported to the browser using the
+   * <code>DecoderResetDone()</code> method on the
+   * <code>PPB_ContentDecryptor_Private</code> interface. This method can be
+   * used to signal a discontinuity in the encoded data stream, and is safe to
+   * call multiple times.
+   *
+   * @param[in] decoder_type A <code>PP_DecryptorStreamType</code> that
+   * specifies the decoder to reset.
+   *
+   * @param[in] request_id A request ID that allows the browser to associate a
+   * request to reset the decoder with a corresponding call to the
+   * <code>DecoderResetDone()</code> method on the
+   * <code>PPB_ContentDecryptor_Private</code> interface.
+   */
+  void ResetDecoder(
+      [in] PP_Instance instance,
+      [in] PP_DecryptorStreamType decoder_type,
+      [in] uint32_t request_id);
+
+  /**
    * Decrypts encrypted_video_frame, decodes it, and returns the unencrypted
    * uncompressed (decoded) video frame to the browser via the
    * <code>DeliverFrame()</code> method on the
    * <code>PPB_ContentDecryptor_Private</code> interface.
    *
    * @param[in] encrypted_video_frame A <code>PP_Resource</code> corresponding
    * to a <code>PPB_Buffer_Dev</code> resource that contains an encrypted video
    * frame.
    *
    * @param[in] encrypted_video_frame_info A
    * <code>PP_EncryptedVideoFrameInfo</code> that contains all information
    * needed to decrypt and decode <code>encrypted_video_frame</code>.
    */
   void DecryptAndDecodeFrame(
       [in] PP_Instance instance,
       [in] PP_Resource encrypted_video_frame,
       [in] PP_EncryptedVideoFrameInfo encrypted_video_frame_info);
 };