Implementation of ppapi audio.

ppapi/c/trusted/ppb_audio_input_trusted_dev.h

+/* Copyright (c) 2011 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 trusted/ppb_audio_input_trusted_dev.idl modified Mon Nov 14 18:13:23 2011. */
+
+#ifndef PPAPI_C_TRUSTED_PPB_AUDIO_INPUT_TRUSTED_DEV_H_
+#define PPAPI_C_TRUSTED_PPB_AUDIO_INPUT_TRUSTED_DEV_H_
+
+#include "ppapi/c/pp_completion_callback.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"
+
+#define PPB_AUDIO_INPUT_TRUSTED_DEV_INTERFACE_0_1 \
+    "PPB_AudioInputTrusted(Dev);0.1"
+#define PPB_AUDIO_INPUT_TRUSTED_DEV_INTERFACE \
+    PPB_AUDIO_INPUT_TRUSTED_DEV_INTERFACE_0_1
+
+/**
+ * @file
+ * This file defines the trusted audio input interface.
+ */
+
+
+/**
+ * @addtogroup Interfaces
+ * @{
+ */
+/**
+ * This interface is to be used by proxy implementations.  All
+ * functions should be called from the main thread only.  The
+ * resource returned is an Audio input esource; most of the PPB_Audio
+ * interface is also usable on this resource.
+ */
+struct PPB_AudioInputTrusted_Dev {
+  /** Returns an audio input resource. */
+  PP_Resource (*CreateTrusted)(PP_Instance instance);
+  /**
+   * Opens a paused audio interface, used by trusted side of proxy.
+   * Returns PP_ERROR_WOULD_BLOCK on success, and invokes
+   * the |create_callback| asynchronously to complete.
+   * As this function should always be invoked from the main thread,
+   * do not use the blocking variant of PP_CompletionCallback.
+   */
+  int32_t (*Open)(PP_Resource audio_input,
+                  PP_Resource config,
+                  struct PP_CompletionCallback create_callback);
+  /**
+   * Get the sync socket.  Use once Open has completed.
+   * Returns PP_OK on success.
+   */
+  int32_t (*GetSyncSocket)(PP_Resource audio_input, int* sync_socket);
+  /**
+   * Get the shared memory interface.  Use once Open has completed.
+   * Returns PP_OK on success.
+   */
+  int32_t (*GetSharedMemory)(PP_Resource audio_input,
+                             int* shm_handle,
+                             uint32_t* shm_size);
+};
+/**
+ * @}
+ */
+
+#endif  /* PPAPI_C_TRUSTED_PPB_AUDIO_INPUT_TRUSTED_DEV_H_ */
+