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| 1 /* Copyright (c) 2011 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 #ifndef PPAPI_C_PPB_AUDIO_TRUSTED_H_ |
| 6 #define PPAPI_C_PPB_AUDIO_TRUSTED_H_ |
| 7 |
| 8 #include "ppapi/c/pp_completion_callback.h" |
| 9 #include "ppapi/c/pp_instance.h" |
| 10 #include "ppapi/c/pp_resource.h" |
| 11 |
| 12 #define PPB_AUDIO_TRUSTED_INTERFACE "PPB_AudioTrusted;1.0" |
| 13 |
| 14 /** |
| 15 * This interface is to be used by proxy implementations. All |
| 16 * functions should be called from the main thread only. The |
| 17 * resource returned is an Audio resource; most of the PPB_Audio |
| 18 * interface is also usable on this resource. |
| 19 */ |
| 20 struct PPB_AudioTrusted { |
| 21 /** Returns an audio resource. */ |
| 22 PP_Resource (*CreateTrusted)(PP_Instance instance); |
| 23 |
| 24 /** |
| 25 * Opens a paused audio interface, used by trusted side of proxy. |
| 26 * Returns PP_ERROR_WOULD_BLOCK on success, and invokes |
| 27 * the |create_callback| asynchronously to complete. |
| 28 * As this function should always be invoked from the main thread, |
| 29 * do not use the blocking variant of PP_CompletionCallback. |
| 30 */ |
| 31 int32_t (*Open)(PP_Resource audio, PP_Resource config, |
| 32 struct PP_CompletionCallback create_callback); |
| 33 |
| 34 /** |
| 35 * Get the sync socket. Use once Open has completed. |
| 36 * Returns PP_OK on success. |
| 37 */ |
| 38 int32_t (*GetSyncSocket)(PP_Resource audio, int* sync_socket); |
| 39 |
| 40 /** |
| 41 * Get the shared memory interface. Use once Open has completed. |
| 42 * Returns PP_OK on success. |
| 43 */ |
| 44 int32_t (*GetSharedMemory)(PP_Resource audio, |
| 45 int* shm_handle, |
| 46 uint32_t* shm_size); |
| 47 }; |
| 48 |
| 49 #endif /* PPAPI_C_PPB_AUDIO_TRUSTED_H_ */ |
| 50 |
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