ppapi/c/pp_codecs.h

   1 /* Copyright (c) 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 pp_codecs.idl modified Wed Feb  4 05:24:21 2015. */
   7
   8 #ifndef PPAPI_C_PP_CODECS_H_
   9 #define PPAPI_C_PP_CODECS_H_
  10
  11 #include "ppapi/c/pp_bool.h"
  12 #include "ppapi/c/pp_macros.h"
  13 #include "ppapi/c/pp_point.h"
  14 #include "ppapi/c/pp_rect.h"
  15 #include "ppapi/c/pp_size.h"
  16 #include "ppapi/c/pp_stdint.h"
  17
  18 /**
  19  * @file
  20  * Video profiles.
  21  */
  22
  23
  24 /**
  25  * @addtogroup Enums
  26  * @{
  27  */
  28 typedef enum {
  29   PP_VIDEOPROFILE_H264BASELINE = 0,
  30   PP_VIDEOPROFILE_H264MAIN = 1,
  31   PP_VIDEOPROFILE_H264EXTENDED = 2,
  32   PP_VIDEOPROFILE_H264HIGH = 3,
  33   PP_VIDEOPROFILE_H264HIGH10PROFILE = 4,
  34   PP_VIDEOPROFILE_H264HIGH422PROFILE = 5,
  35   PP_VIDEOPROFILE_H264HIGH444PREDICTIVEPROFILE = 6,
  36   PP_VIDEOPROFILE_H264SCALABLEBASELINE = 7,
  37   PP_VIDEOPROFILE_H264SCALABLEHIGH = 8,
  38   PP_VIDEOPROFILE_H264STEREOHIGH = 9,
  39   PP_VIDEOPROFILE_H264MULTIVIEWHIGH = 10,
  40   PP_VIDEOPROFILE_VP8_ANY = 11,
  41   PP_VIDEOPROFILE_VP9_ANY = 12,
  42   PP_VIDEOPROFILE_MAX = PP_VIDEOPROFILE_VP9_ANY
  43 } PP_VideoProfile;
  44
  45 /**
  46  * Hardware acceleration options.
  47  */
  48 typedef enum {
  49   /** Create a hardware accelerated resource only. */
  50   PP_HARDWAREACCELERATION_ONLY = 0,
  51   /**
  52    * Create a hardware accelerated resource if possible. Otherwise, fall back
  53    * to the software implementation.
  54    */
  55   PP_HARDWAREACCELERATION_WITHFALLBACK = 1,
  56   /** Create the software implementation only. */
  57   PP_HARDWAREACCELERATION_NONE = 2,
  58   PP_HARDWAREACCELERATION_LAST = PP_HARDWAREACCELERATION_NONE
  59 } PP_HardwareAcceleration;
  60 /**
  61  * @}
  62  */
  63
  64 /**
  65  * @addtogroup Structs
  66  * @{
  67  */
  68 /**
  69  * Struct describing a decoded video picture. The decoded picture data is stored
  70  * in the GL texture corresponding to |texture_id|. The plugin can determine
  71  * which Decode call generated the picture using |decode_id|.
  72  */
  73 struct PP_VideoPicture {
  74   /**
  75    * |decode_id| parameter of the Decode call which generated this picture.
  76    * See the PPB_VideoDecoder function Decode() for more details.
  77    */
  78   uint32_t decode_id;
  79   /**
  80    * Texture ID in the plugin's GL context. The plugin can use this to render
  81    * the decoded picture.
  82    */
  83   uint32_t texture_id;
  84   /**
  85    * The GL texture target for the decoded picture. Possible values are:
  86    *   GL_TEXTURE_2D
  87    *   GL_TEXTURE_RECTANGLE_ARB
  88    *   GL_TEXTURE_EXTERNAL_OES
  89    *
  90    * The pixel format of the texture is GL_RGBA.
  91    */
  92   uint32_t texture_target;
  93   /**
  94    * Dimensions of the texture holding the decoded picture.
  95    */
  96   struct PP_Size texture_size;
  97   /**
  98    * The visible subrectangle of the picture. The plugin should display only
  99    * this part of the picture.
 100    */
 101   struct PP_Rect visible_rect;
 102 };
 103
 104 /**
 105  * Struct describing a decoded video picture. The decoded picture data is stored
 106  * in the GL texture corresponding to |texture_id|. The plugin can determine
 107  * which Decode call generated the picture using |decode_id|.
 108  */
 109 struct PP_VideoPicture_0_1 {
 110   /**
 111    * |decode_id| parameter of the Decode call which generated this picture.
 112    * See the PPB_VideoDecoder function Decode() for more details.
 113    */
 114   uint32_t decode_id;
 115   /**
 116    * Texture ID in the plugin's GL context. The plugin can use this to render
 117    * the decoded picture.
 118    */
 119   uint32_t texture_id;
 120   /**
 121    * The GL texture target for the decoded picture. Possible values are:
 122    *   GL_TEXTURE_2D
 123    *   GL_TEXTURE_RECTANGLE_ARB
 124    *   GL_TEXTURE_EXTERNAL_OES
 125    *
 126    * The pixel format of the texture is GL_RGBA.
 127    */
 128   uint32_t texture_target;
 129   /**
 130    * Dimensions of the texture holding the decoded picture.
 131    */
 132   struct PP_Size texture_size;
 133 };
 134
 135 /**
 136  * Supported video profile information. See the PPB_VideoEncoder function
 137  * GetSupportedProfiles() for more details.
 138  */
 139 struct PP_VideoProfileDescription {
 140   /**
 141    * The codec profile.
 142    */
 143   PP_VideoProfile profile;
 144   /**
 145    * Dimensions of the maximum resolution of video frames, in pixels.
 146    */
 147   struct PP_Size max_resolution;
 148   /**
 149    * The numerator of the maximum frame rate.
 150    */
 151   uint32_t max_framerate_numerator;
 152   /**
 153    * The denominator of the maximum frame rate.
 154    */
 155   uint32_t max_framerate_denominator;
 156   /**
 157    * A value indicating if the profile is available in hardware, software, or
 158    * both.
 159    */
 160   PP_HardwareAcceleration acceleration;
 161 };
 162
 163 /**
 164  * Struct describing a bitstream buffer.
 165  */
 166 struct PP_BitstreamBuffer {
 167   /**
 168    * The size, in bytes, of the bitstream data.
 169    */
 170   uint32_t size;
 171   /**
 172    * The base address of the bitstream data.
 173    */
 174   void* buffer;
 175   /**
 176    * Whether the buffer represents a key frame.
 177    */
 178   PP_Bool key_frame;
 179 };
 180 /**
 181  * @}
 182  */
 183
 184 #endif  /* PPAPI_C_PP_CODECS_H_ */
 185