* apps/system/nxcodec/nxcodec_context.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __APP_SYSTEM_NXCODEC_NXCODEC_CONTEXT_H
#define __APP_SYSTEM_NXCODEC_NXCODEC_CONTEXT_H
* Included Files
****************************************************************************/
#include <sys/videoio.h>
* Public Types
****************************************************************************/
typedef struct nxcodec_context_buf_s
{
FAR void *addr;
size_t length;
struct v4l2_buffer buf;
bool free;
} nxcodec_context_buf_t;
typedef struct nxcodec_context_s
{
char filename[PATH_MAX];
int fd;
enum v4l2_buf_type type;
struct v4l2_format format;
FAR nxcodec_context_buf_t *buf;
int nbuffers;
} nxcodec_context_t;
* Public Function Prototypes
****************************************************************************/
int nxcodec_context_init(FAR nxcodec_context_t *ctx);
int nxcodec_context_set_status(FAR nxcodec_context_t *ctx, uint32_t cmd);
int nxcodec_context_enqueue_frame(FAR nxcodec_context_t *ctx);
int nxcodec_context_dequeue_frame(FAR nxcodec_context_t *ctx);
int nxcodec_context_get_format(FAR nxcodec_context_t *ctx);
int nxcodec_context_set_format(FAR nxcodec_context_t *ctx);
void nxcodec_context_uninit(FAR nxcodec_context_t *ctx);
#endif