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fvid.h
Package: DSP-C6000-DM642DEMO.rar [view]
Upload User: dahaojd
Upload Date: 2008-01-29
Package Size: 14357k
Code Size: 4k
Category:
DSP program
Development Platform:
C/C++
- /*
- * Copyright 2003 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.
- *
- */
- /* "@(#) DDK 1.10.00.23 07-02-03 (ddk-b12)" */
- /*
- *
- * ======== fvid.h ========
- */
- #ifndef FVID_
- #define FVID_
- #include <gio.h>
- #include <iom.h>
- #ifdef __cplusplus
- extern "C" {
- #endif
- /*
- * -------- command codes for IOM_Packet --------
- */
- #define FVID_BASE IOM_USER
- #define FVID_ALLOC (FVID_BASE + 0)
- #define FVID_FREE (FVID_BASE + 1)
- #define FVID_EXCHANGE (FVID_BASE + 2)
- typedef GIO_Handle FVID_Handle;
- /* defination of interlaced frame */
- typedef struct FVID_IFrame{
- Char* y1;
- Char* cb1;
- Char* cr1;
- Char* y2;
- Char* cb2;
- Char* cr2;
- }FVID_IFrame;
- /* progressive frame */
- typedef struct FVID_PFrame {
- Char* y;
- Char* cb;
- Char* cr;
- } FVID_PFrame;
- /* Raw frame. Could be RGB, monochrome or any type of data*/
- /* interleaved Y/C frame etc. */
- typedef struct FVID_RawIFrame{
- Char* buf1;
- Char* buf2;
- } FVID_RawIFrame;
- typedef struct FVID_RawPFrame{
- Char* buf;
- } FVID_RawPFrame;
- /* FVID frame buffer descriptor */
- typedef struct FVID_Frame {
- QUE_Elem queElement; /* for queuing */
- union {
- FVID_IFrame iFrm; /* y/c frame buffer */
- FVID_PFrame pFrm; /* y/c frame buffer */
- FVID_RawIFrame riFrm; /* raw frame buffer */
- FVID_RawPFrame rpFrm; /* raw frame buffer */
- } frame;
- } FVID_Frame;
- /*
- * ======== FVID_alloc ========
- * FVID_alloc() is used for device drivers that manage their own buffers.
- * FVID_alloc() returns a pointer to a device driver allocated buffer and
- * also sets the size.
- */
- #define FVID_alloc(gioChan, bufp)
- GIO_submit(gioChan, FVID_ALLOC, bufp, NULL, NULL)
- /*
- * ======== FVID_control ========
- * This is a direct call down into the mini driver.
- */
- #define FVID_control(gioChan, cmd, args)
- GIO_control(gioChan, cmd, args)
- /*
- * ======== FVID_create ========
- * FVID_create() allocates and initializes an GIO_Obj structure. FVID_create()
- * returns a non-NULL GIO_Handle object on success and NULL for failure.
- * The 'name' parameter is used to find a matching name in the device
- * table. Associated IOM_Fxns table and params structure are then used
- * to create a channel for that device. The 'attrs->nPackets' parameter
- * specifies the number of asynchronous I/O calls that can be outstanding.
- * The status field is the address where a device status is returned, ignored
- * if status is specified as NULL.
- */
- #define FVID_create(name, mode, status, optArgs, attrs)
- GIO_create(name, mode, status, optArgs, attrs)
- /*
- * ======== FVID_delete ========
- * FVID_delete() frees up channel resources.
- */
- #define FVID_delete(giochan)
- GIO_delete(gioChan)
- /*
- * ======== FVID_exchange ========
- * Exchange one driver-managed buffer for another driver-managed buffer.
- * This operation is similar to an FVID_free()/alloc() pair but has less
- * overhead since it involves only one call into the driver.
- */
- #define FVID_exchange(gioChan, bufp)
- GIO_submit(gioChan, FVID_EXCHANGE, bufp, NULL, NULL)
- /*
- * ======== FVID_free ========
- * FVID_free() returns a device-driver allocated buffer back to the driver.
- */
- #define FVID_free(gioChan, bufp)
- GIO_submit(gioChan, FVID_FREE, bufp, NULL, NULL)
- #ifdef __cplusplus
- }
- #endif /* extern "C" */
- #endif /* FVID_ */