| /* 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_VideoCapture_Dev</code> interface. |
| */ |
| label Chrome { |
| M15 = 0.1 |
| }; |
| |
| /** |
| * Video Capture client interface. See |PPB_VideoCapture_Dev| for general theory |
| * of operation. |
| */ |
| [macro="PPP_VIDEO_CAPTURE_DEV_INTERFACE"] |
| interface PPP_VideoCapture_Dev { |
| /** |
| * Signals the capture device information, such as resolution and frame rate, |
| * and the array of buffers that the browser will use to send pixel data. |
| * |
| * |info| is a pointer to the PP_VideoCaptureDeviceInfo_Dev structure |
| * containing resolution and frame rate. |
| * |buffer_count| is the number of buffers, and |buffers| is the array of |
| * PPB_Buffer_Dev buffers. |
| * |
| * Note: the buffers are passed without an extra reference. The plugin is |
| * expected to add its own references to the buffers. |
| */ |
| void OnDeviceInfo([in] PP_Instance instance, |
| [in] PP_Resource video_capture, |
| [in] PP_VideoCaptureDeviceInfo_Dev info, |
| [in] uint32_t buffer_count, |
| [in, size_is(buffer_count)] PP_Resource[] buffers); |
| |
| /** |
| * Signals status changes on the VideoCapture. |status| is a |
| * one of the values from PP_VideoCaptureStatus_Dev; |
| */ |
| void OnStatus([in] PP_Instance instance, |
| [in] PP_Resource video_capture, |
| [in] uint32_t status); |
| |
| /** |
| * Signals an error from the video capture system. |
| * |
| * Errors that can be generated: |
| * - PP_ERROR_NOMEMORY: not enough memory was available to allocate buffers. |
| * - PP_ERROR_FAILED: video capture could not start. |
| */ |
| void OnError([in] PP_Instance instance, |
| [in] PP_Resource video_capture, |
| [in] uint32_t error_code); |
| |
| /** |
| * Signals that a buffer is available for consumption by the plugin. |
| * |
| * |buffer| is the index of the buffer, in the array returned by OnDeviceInfo. |
| */ |
| void OnBufferReady([in] PP_Instance instance, |
| [in] PP_Resource video_capture, |
| [in] uint32_t buffer); |
| }; |