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      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/pp_video_dev.idl modified Tue Apr 30 14:58:38 2013. */
      7 
      8 #ifndef PPAPI_C_DEV_PP_VIDEO_DEV_H_
      9 #define PPAPI_C_DEV_PP_VIDEO_DEV_H_
     10 
     11 #include "ppapi/c/pp_macros.h"
     12 #include "ppapi/c/pp_resource.h"
     13 #include "ppapi/c/pp_size.h"
     14 #include "ppapi/c/pp_stdint.h"
     15 
     16 /**
     17  * @file
     18  * NOTE: these must be kept in sync with the versions in media/!
     19  */
     20 
     21 
     22 /**
     23  * @addtogroup Enums
     24  * @{
     25  */
     26 /**
     27  * Video format.
     28  *
     29  * Keep the values in this enum unique, as they imply format (h.264 vs. VP8,
     30  * for example), and keep the values for a particular format grouped together
     31  * for clarity.
     32  * Note: Keep these in sync with media::VideoCodecProfile.
     33  */
     34 typedef enum {
     35   PP_VIDEODECODER_PROFILE_UNKNOWN = -1,
     36   PP_VIDEODECODER_H264PROFILE_NONE = 0,
     37   PP_VIDEODECODER_H264PROFILE_BASELINE = 1,
     38   PP_VIDEODECODER_H264PROFILE_MAIN = 2,
     39   PP_VIDEODECODER_H264PROFILE_EXTENDED = 3,
     40   PP_VIDEODECODER_H264PROFILE_HIGH = 4,
     41   PP_VIDEODECODER_H264PROFILE_HIGH10PROFILE = 5,
     42   PP_VIDEODECODER_H264PROFILE_HIGH422PROFILE = 6,
     43   PP_VIDEODECODER_H264PROFILE_HIGH444PREDICTIVEPROFILE = 7,
     44   PP_VIDEODECODER_H264PROFILE_SCALABLEBASELINE = 8,
     45   PP_VIDEODECODER_H264PROFILE_SCALABLEHIGH = 9,
     46   PP_VIDEODECODER_H264PROFILE_STEREOHIGH = 10,
     47   PP_VIDEODECODER_H264PROFILE_MULTIVIEWHIGH = 11,
     48   PP_VIDEODECODER_VP8PROFILE_MAIN = 12
     49 } PP_VideoDecoder_Profile;
     50 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_VideoDecoder_Profile, 4);
     51 /**
     52  * @}
     53  */
     54 
     55 /**
     56  * @addtogroup Structs
     57  * @{
     58  */
     59 /**
     60  * The data structure for video bitstream buffer.
     61  */
     62 struct PP_VideoBitstreamBuffer_Dev {
     63   /**
     64    * Client-specified identifier for the bitstream buffer. Valid values are
     65    * non-negative.
     66    */
     67   int32_t id;
     68   /**
     69    * Buffer to hold the bitstream data. Should be allocated using the
     70    * PPB_Buffer interface for consistent interprocess behaviour.
     71    */
     72   PP_Resource data;
     73   /**
     74    * Size of the bitstream contained in buffer (in bytes).
     75    */
     76   uint32_t size;
     77 };
     78 PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_VideoBitstreamBuffer_Dev, 12);
     79 
     80 /**
     81  * Struct for specifying texture-backed picture data.
     82  */
     83 struct PP_PictureBuffer_Dev {
     84   /**
     85    * Client-specified id for the picture buffer. By using this value client can
     86    * keep track of the buffers it has assigned to the video decoder and how they
     87    * are passed back to it. Valid values are non-negative.
     88    */
     89   int32_t id;
     90   /**
     91    * Dimensions of the buffer.
     92    */
     93   struct PP_Size size;
     94   /**
     95    * Texture ID in the given context where picture is stored.
     96    */
     97   uint32_t texture_id;
     98 };
     99 PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_PictureBuffer_Dev, 16);
    100 
    101 /**
    102  * Structure to describe a decoded output frame.
    103  */
    104 struct PP_Picture_Dev {
    105   /**
    106    * ID of the picture buffer where the picture is stored.
    107    */
    108   int32_t picture_buffer_id;
    109   /**
    110    * ID of the bitstream from which this data was decoded.
    111    */
    112   int32_t bitstream_buffer_id;
    113 };
    114 PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_Picture_Dev, 8);
    115 /**
    116  * @}
    117  */
    118 
    119 /**
    120  * @addtogroup Enums
    121  * @{
    122  */
    123 /**
    124  * Decoder error codes reported to the plugin. A reasonable naive
    125  * error handling policy is for the plugin to Destroy() the decoder on error.
    126  */
    127 typedef enum {
    128   /**
    129    * An operation was attempted during an incompatible decoder state.
    130    */
    131   PP_VIDEODECODERERROR_ILLEGAL_STATE = 1,
    132   /**
    133    * Invalid argument was passed to an API method.
    134    */
    135   PP_VIDEODECODERERROR_INVALID_ARGUMENT = 2,
    136   /**
    137    * Encoded input is unreadable.
    138    */
    139   PP_VIDEODECODERERROR_UNREADABLE_INPUT = 3,
    140   /**
    141    * A failure occurred at the browser layer or lower.  Examples of such
    142    * failures include GPU hardware failures, GPU driver failures, GPU library
    143    * failures, browser programming errors, and so on.
    144    */
    145   PP_VIDEODECODERERROR_PLATFORM_FAILURE = 4
    146 } PP_VideoDecodeError_Dev;
    147 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_VideoDecodeError_Dev, 4);
    148 /**
    149  * @}
    150  */
    151 
    152 #endif  /* PPAPI_C_DEV_PP_VIDEO_DEV_H_ */
    153 
    154