appresources.h

DM642平台上的H.264源码(可实时运行)

/*
 *  Copyright 2002 by Texas Instruments Incorporated.
 *  All rights reserved. Property of Texas Instruments Incorporated.
 *  Restricted rights to use, duplicate or disclose this code are
 *  granted through contract.
 *  
 */
/*
 *  ======== appResources.h ========
 *
 */
#ifndef APPRESOURCES_
#define APPRESOURCES_

#include "appBiosObjects.h"
#include "appIO.h"

#ifdef __cplusplus
extern "C" {
#endif

#define MEMALIGN 128

#define NUMCHANNELS  1 

/*
 *  Length of one channel data frame, in samples. 
 *  NOTE: pipes' frame sizes in the configuration database must be 
 *  changed if this value is changed.
 */
#define FRAMELEN    80
#define MAX_BUFFER_NUM  8 


/* 
 *  Data type holding one sample: 16 bits in this case. FRAMELEN above
 *  is the size, in these units, of one data frame processed by one channel.
 */
typedef Short Sample;   /* Short is 16 bits on every CXX platform */

/* 
 *  Handy macros for converting size in samples to size in words and 
 *  vice versa -- pipe frame sizes are expressed in words (Ints), which 
 *  may not be the same as size in samples. (On a C5X an Int is 16bit wide,
 *  on a C6X an Int is 32bit wide, and we have samples that are 16bit wide.
 */
#define sizeInSamples( bufsizeInWords ) \
    ( (bufsizeInWords) * sizeof( Int ) / sizeof( Sample ) )
#define sizeInWords( bufsizeInSamples ) \
    ( (bufsizeInSamples) * sizeof( Sample ) / sizeof( Int ) )

#ifdef __cplusplus
}
#endif // extern "C" 

#endif // APPRESOURCES_