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| 1 /* Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 /* Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 * Use of this source code is governed by a BSD-style license that can be | 2 * Use of this source code is governed by a BSD-style license that can be |
| 3 * found in the LICENSE file. | 3 * found in the LICENSE file. |
| 4 */ | 4 */ |
| 5 | 5 |
| 6 /** | 6 /** |
| 7 * This file defines the <code>PPB_ContentDecryptor_Private</code> | 7 * This file defines the <code>PPB_ContentDecryptor_Private</code> |
| 8 * interface. Note: This is a special interface, only to be used for Content | 8 * interface. Note: This is a special interface, only to be used for Content |
| 9 * Decryption Modules, not normal plugins. | 9 * Decryption Modules, not normal plugins. |
| 10 */ | 10 */ |
| 11 | 11 |
| 12 [generate_thunk] | 12 [generate_thunk] |
| 13 | 13 |
| 14 label Chrome { | 14 label Chrome { |
| 15 M24 = 0.6 | 15 M31 = 0.7 |
| 16 }; | 16 }; |
| 17 | 17 |
| 18 /** | 18 /** |
| 19 * <code>PPB_ContentDecryptor_Private</code> structure contains the function | 19 * <code>PPB_ContentDecryptor_Private</code> structure contains the function |
| 20 * pointers the browser must implement to support plugins implementing the | 20 * pointers the browser must implement to support plugins implementing the |
| 21 * <code>PPP_ContentDecryptor_Private</code> interface. This interface provides | 21 * <code>PPP_ContentDecryptor_Private</code> interface. This interface provides |
| 22 * browser side support for the Content Decryption Module (CDM) for v0.1 of the | 22 * browser side support for the Content Decryption Module (CDM) for v0.1 of the |
| 23 * proposed Encrypted Media Extensions: http://goo.gl/rbdnR | 23 * proposed Encrypted Media Extensions: http://goo.gl/rbdnR |
| 24 */ | 24 */ |
| 25 interface PPB_ContentDecryptor_Private { | 25 interface PPB_ContentDecryptor_Private { |
| 26 /** | 26 /** |
| 27 * The decryptor requires a key that has not been provided. | |
| 28 * | |
| 29 * Sent when the decryptor encounters encrypted content, but it does not have | |
| 30 * the key required to decrypt the data. The plugin will call this method in | |
| 31 * response to a call to the <code>Decrypt()</code> method on the | |
| 32 * <code>PPP_ContentDecryptor_Private<code> interface. | |
| 33 * | |
| 34 * The browser must notify the application that a key is needed, and, in | |
| 35 * response, the web application must direct the browser to call | |
| 36 * <code>AddKey()</code> on the <code>PPP_ContentDecryptor_Private</code> | |
| 37 * interface. | |
| 38 * | |
| 39 * @param[in] key_system A <code>PP_Var</code> of type | |
| 40 * <code>PP_VARTYPE_STRING</code> containing the name of the key system. | |
| 41 * | |
| 42 * @param[in] session_id A <code>PP_Var</code> of type | |
| 43 * <code>PP_VARTYPE_STRING</code> containing the session ID. | |
| 44 * | |
| 45 * @param[in] init_data A <code>PP_Var</code> of type | |
| 46 * <code>PP_VARTYPE_ARRAY_BUFFER</code> containing container-specific | |
| 47 * initialization data. | |
| 48 */ | |
| 49 void NeedKey( | |
| 50 [in] PP_Instance instance, | |
| 51 [in] PP_Var key_system, | |
| 52 [in] PP_Var session_id, | |
| 53 [in] PP_Var init_data); | |
| 54 | |
| 55 /** | |
| 56 * A key has been added as the result of a call to the <code>AddKey()</code> | 27 * A key has been added as the result of a call to the <code>AddKey()</code> |
| 57 * method on the <code>PPP_ContentDecryptor_Private</code> interface. | 28 * method on the <code>PPP_ContentDecryptor_Private</code> interface. |
| 58 * | 29 * |
| 59 * Note: The above describes the most simple case. Depending on the key | 30 * Note: The above describes the most simple case. Depending on the key |
| 60 * system, a series of <code>KeyMessage()</code> calls from the CDM will be | 31 * system, a series of <code>KeyMessage()</code> calls from the CDM will be |
| 61 * sent to the browser, and then on to the web application. The web | 32 * sent to the browser, and then on to the web application. The web |
| 62 * application must then provide more data to the CDM by directing the browser | 33 * application must then provide more data to the CDM by directing the browser |
| 63 * to pass the data to the CDM via calls to <code>AddKey()</code> on the | 34 * to pass the data to the CDM via calls to <code>AddKey()</code> on the |
| 64 * <code>PPP_ContentDecryptor_Private</code> interface. | 35 * <code>PPP_ContentDecryptor_Private</code> interface. |
| 65 * The CDM must call <code>KeyAdded()</code> when the sequence is completed, | 36 * The CDM must call <code>KeyAdded()</code> when the sequence is completed, |
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| 259 * | 230 * |
| 260 * @param[in] decrypted_block_info A <code>PP_DecryptedBlockInfo</code> that | 231 * @param[in] decrypted_block_info A <code>PP_DecryptedBlockInfo</code> that |
| 261 * contains the tracking info and result code associated with the | 232 * contains the tracking info and result code associated with the |
| 262 * <code>decrypted_block</code>. | 233 * <code>decrypted_block</code>. |
| 263 */ | 234 */ |
| 264 void DeliverSamples( | 235 void DeliverSamples( |
| 265 [in] PP_Instance instance, | 236 [in] PP_Instance instance, |
| 266 [in] PP_Resource audio_frames, | 237 [in] PP_Resource audio_frames, |
| 267 [in] PP_DecryptedBlockInfo decrypted_block_info); | 238 [in] PP_DecryptedBlockInfo decrypted_block_info); |
| 268 }; | 239 }; |
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