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 3 * found in the LICENSE file. 4 */ 5 6 /* From dev/ppp_video_capture_dev.idl modified Mon Oct 01 14:26:07 2012. */ 7 8 #ifndef PPAPI_C_DEV_PPP_VIDEO_CAPTURE_DEV_H_ 9 #define PPAPI_C_DEV_PPP_VIDEO_CAPTURE_DEV_H_ 10 11 #include "ppapi/c/dev/pp_video_capture_dev.h" 12 #include "ppapi/c/pp_instance.h" 13 #include "ppapi/c/pp_macros.h" 14 #include "ppapi/c/pp_resource.h" 15 #include "ppapi/c/pp_stdint.h" 16 17 #define PPP_VIDEO_CAPTURE_DEV_INTERFACE_0_1 "PPP_VideoCapture(Dev);0.1" 18 #define PPP_VIDEO_CAPTURE_DEV_INTERFACE PPP_VIDEO_CAPTURE_DEV_INTERFACE_0_1 19 20 /** 21 * @file 22 * This file defines the <code>PPP_VideoCapture_Dev</code> interface. 23 */ 24 25 26 /** 27 * @addtogroup Interfaces 28 * @{ 29 */ 30 /** 31 * Video Capture client interface. See |PPB_VideoCapture_Dev| for general theory 32 * of operation. 33 */ 34 struct PPP_VideoCapture_Dev_0_1 { 35 /** 36 * Signals the capture device information, such as resolution and frame rate, 37 * and the array of buffers that the browser will use to send pixel data. 38 * 39 * |info| is a pointer to the PP_VideoCaptureDeviceInfo_Dev structure 40 * containing resolution and frame rate. 41 * |buffer_count| is the number of buffers, and |buffers| is the array of 42 * PPB_Buffer_Dev buffers. 43 * 44 * Note: the buffers are passed without an extra reference. The plugin is 45 * expected to add its own references to the buffers. 46 */ 47 void (*OnDeviceInfo)(PP_Instance instance, 48 PP_Resource video_capture, 49 const struct PP_VideoCaptureDeviceInfo_Dev* info, 50 uint32_t buffer_count, 51 const PP_Resource buffers[]); 52 /** 53 * Signals status changes on the VideoCapture. |status| is a 54 * one of the values from PP_VideoCaptureStatus_Dev; 55 */ 56 void (*OnStatus)(PP_Instance instance, 57 PP_Resource video_capture, 58 uint32_t status); 59 /** 60 * Signals an error from the video capture system. 61 * 62 * Errors that can be generated: 63 * - PP_ERROR_NOMEMORY: not enough memory was available to allocate buffers. 64 * - PP_ERROR_FAILED: video capture could not start. 65 */ 66 void (*OnError)(PP_Instance instance, 67 PP_Resource video_capture, 68 uint32_t error_code); 69 /** 70 * Signals that a buffer is available for consumption by the plugin. 71 * 72 * |buffer| is the index of the buffer, in the array returned by OnDeviceInfo. 73 */ 74 void (*OnBufferReady)(PP_Instance instance, 75 PP_Resource video_capture, 76 uint32_t buffer); 77 }; 78 79 typedef struct PPP_VideoCapture_Dev_0_1 PPP_VideoCapture_Dev; 80 /** 81 * @} 82 */ 83 84 #endif /* PPAPI_C_DEV_PPP_VIDEO_CAPTURE_DEV_H_ */ 85 86