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PDF SH7269 Data sheet ( Hoja de datos )
| Número de pieza | SH7269 | |
| Descripción | Digital Video Decoder Driver Users Manual | |
| Fabricantes | Renesas | |
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APPLICATION NOTE
SH7268/SH7269 Group
Digital Video Decoder Driver User's Manual
R01AN0779EJ0100
Rev.1.00
Apr 18, 2013
Introduction
This document explains the usage of SH7268/SH7269 Digital Video Decoder (hereafter referred to as ‘VDEC’) Driver.
Target Device
SH7268/SH7269
Contents
1. Overview ........................................................................................................................................... 2
2. API..................................................................................................................................................... 5
3. User-defined Functions ................................................................................................................... 44
4. Example Usage ............................................................................................................................... 45
R01AN0779EJ0100 Rev.1.00
Apr 18, 2013
Page 1 of 58
http://www.Datasheet4U.com
1 page  
SH7268/SH7269 Group
Digital Video Decoder Driver User's Manual
2. API
2.1 Common Definition
2.1.1 Typedef
In this driver, data types in Table 5 are used. These declarations are defined in typedefine.h (see 1.3 File Configuration).
Table 5 Typedef Declarations
Typedef T
_SBYTE
_UBYTE
_SWORD
_UWORD
_SINT
_UINT
_SDWORD
_UDWORD
_SQWORD
_UQWORD
ype
signed char
unsigned char
signed short
unsigned short
signed int
unsigned int
signed long
unsigned long
signed long long
unsigned long long
2.1.2 Definition of Enumeration Constants
The vdec_OnOff enumeration defines ON and OFF.
typedef enum {
VDEC_OFF = 0,
VDEC_ON = 1
} vdec_OnOff ;
Enum Value
VDEC_OFF
VDEC_ON
Description
0 OFF
1 ON
2.2 Error
API function calls returns an error code. The error codes are shown in Table 6.
Table 6 Error Code List
Error Value
VDEC_ERR_NONE
VDEC_ERR_PARAM_RANGE
VDEC_ERR_PARAM_UNDEF
VDEC_ERR_PARAM_INVALID
VDEC_ERR_OTHERS
0
1
2
3
4
Description
Normal end.
Parameter error. Specified value was out of range.
Parameter error. Null should not be specified.
Parameter error. Invalid parameter was specified.
Error. Others.
R01AN0779EJ0100 Rev.1.00
Apr 18, 2013
Page 5 of 58
5 Page 
SH7268/SH7269 Group
Digital Video Decoder Driver User's Manual
2.3.3
Syntax
VDEC_Input
#include "vdec_api.h"
vdec_ErrorCode VDEC_Input( const vdec_InputSelection *Input ) ;
Parameters
Return
Values
• [in]const vdec_InputSelection *Input
• vdec_E rrorCode
VDEC_ERR_NONE
VDEC_ERR_PARAM_UNDEF
VDEC_ERR_PARAM_RANGE
Input selection parameter
Error code
Normal end.
Parameter error. Undefined.
Parameter error. Out of range.
Description
In this function, the operations are performed as below.
• The specified parameters for active image period are set.
The active image period parameters set up in this function are applied only to the Digital Video Decoder module. These
parameters do not correspond to the display size of the input video. To set the display size of the input video, Video
Display Controller 4 module should be used.
Before the settings are reflected, it will take a period of time equal to 1 Vsync period time at the most.
R01AN0779EJ0100 Rev.1.00
Apr 18, 2013
Page 11 of 58
11 Page | ||
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