ppapi/c/ppb_video_frame.h

   1 /* Copyright 2014 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 ppb_video_frame.idl modified Tue Mar 25 18:28:57 2014. */
   7
   8 #ifndef PPAPI_C_PPB_VIDEO_FRAME_H_
   9 #define PPAPI_C_PPB_VIDEO_FRAME_H_
  10
  11 #include "ppapi/c/pp_bool.h"
  12 #include "ppapi/c/pp_macros.h"
  13 #include "ppapi/c/pp_resource.h"
  14 #include "ppapi/c/pp_size.h"
  15 #include "ppapi/c/pp_stdint.h"
  16 #include "ppapi/c/pp_time.h"
  17
  18 #define PPB_VIDEOFRAME_INTERFACE_0_1 "PPB_VideoFrame;0.1"
  19 #define PPB_VIDEOFRAME_INTERFACE PPB_VIDEOFRAME_INTERFACE_0_1
  20
  21 /**
  22  * @file
  23  * Defines the <code>PPB_VideoFrame</code> interface.
  24  */
  25
  26
  27 /**
  28  * @addtogroup Enums
  29  * @{
  30  */
  31 typedef enum {
  32   /**
  33    * Unknown format value.
  34    */
  35   PP_VIDEOFRAME_FORMAT_UNKNOWN = 0,
  36   /**
  37    * 12bpp YVU planar 1x1 Y, 2x2 VU samples.
  38    */
  39   PP_VIDEOFRAME_FORMAT_YV12 = 1,
  40   /**
  41    * 12bpp YUV planar 1x1 Y, 2x2 UV samples.
  42    */
  43   PP_VIDEOFRAME_FORMAT_I420 = 2,
  44   /**
  45    * 32bpp BGRA.
  46    */
  47   PP_VIDEOFRAME_FORMAT_BGRA = 3,
  48   /**
  49    * The last format.
  50    */
  51   PP_VIDEOFRAME_FORMAT_LAST = PP_VIDEOFRAME_FORMAT_BGRA
  52 } PP_VideoFrame_Format;
  53 /**
  54  * @}
  55  */
  56
  57 /**
  58  * @addtogroup Interfaces
  59  * @{
  60  */
  61 struct PPB_VideoFrame_0_1 {
  62   /**
  63    * Determines if a resource is a VideoFrame resource.
  64    *
  65    * @param[in] resource The <code>PP_Resource</code> to test.
  66    *
  67    * @return A <code>PP_Bool</code> with <code>PP_TRUE</code> if the given
  68    * resource is a VideoFrame resource or <code>PP_FALSE</code> otherwise.
  69    */
  70   PP_Bool (*IsVideoFrame)(PP_Resource resource);
  71   /**
  72    * Gets the timestamp of the video frame.
  73    *
  74    * @param[in] frame A <code>PP_Resource</code> corresponding to a video frame
  75    * resource.
  76    *
  77    * @return A <code>PP_TimeDelta</code> containing the timestamp of the video
  78    * frame. Given in seconds since the start of the containing video stream.
  79    */
  80   PP_TimeDelta (*GetTimestamp)(PP_Resource frame);
  81   /**
  82    * Sets the timestamp of the video frame. Given in seconds since the
  83    * start of the containing video stream.
  84    *
  85    * @param[in] frame A <code>PP_Resource</code> corresponding to a video frame
  86    * resource.
  87    * @param[in] timestamp A <code>PP_TimeDelta</code> containing the timestamp
  88    * of the video frame. Given in seconds since the start of the containing
  89    * video stream.
  90    */
  91   void (*SetTimestamp)(PP_Resource frame, PP_TimeDelta timestamp);
  92   /**
  93    * Gets the format of the video frame.
  94    *
  95    * @param[in] frame A <code>PP_Resource</code> corresponding to a video frame
  96    * resource.
  97    *
  98    * @return A <code>PP_VideoFrame_Format</code> containing the format of the
  99    * video frame.
 100    */
 101   PP_VideoFrame_Format (*GetFormat)(PP_Resource frame);
 102   /**
 103    * Gets the size of the video frame.
 104    *
 105    * @param[in] frame A <code>PP_Resource</code> corresponding to a video frame
 106    * resource.
 107    * @param[out] size A <code>PP_Size</code>.
 108    *
 109    * @return A <code>PP_Bool</code> with <code>PP_TRUE</code> on success or
 110    * <code>PP_FALSE</code> on failure.
 111    */
 112   PP_Bool (*GetSize)(PP_Resource frame, struct PP_Size* size);
 113   /**
 114    * Gets the data buffer for video frame pixels.
 115    *
 116    * @param[in] frame A <code>PP_Resource</code> corresponding to a video frame
 117    * resource.
 118    *
 119    * @return A pointer to the beginning of the data buffer.
 120    */
 121   void* (*GetDataBuffer)(PP_Resource frame);
 122   /**
 123    * Gets the size of data buffer.
 124    *
 125    * @param[in] frame A <code>PP_Resource</code> corresponding to a video frame
 126    * resource.
 127    *
 128    * @return The size of the data buffer.
 129    */
 130   uint32_t (*GetDataBufferSize)(PP_Resource frame);
 131 };
 132
 133 typedef struct PPB_VideoFrame_0_1 PPB_VideoFrame;
 134 /**
 135  * @}
 136  */
 137
 138 #endif  /* PPAPI_C_PPB_VIDEO_FRAME_H_ */
 139