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/*
* V4L2 Codec decoding example application
* Kamil Debski <k.debski@samsung.com>
*
* MFC operations header file
*
* Copyright 2012 Samsung Electronics Co., Ltd.
*
* Licensed 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 INCLUDE_MFC_H
#define INCLUDE_MFC_H
#include "common.h"
/* Open the MFC device */
int mfc_open(struct instance *i);
/* Close the MFC devices */
void mfc_close(struct instance *i);
/* Setup the OUTPUT queue. The size determines the size for the stream
* buffer. This is the maximum size a single compressed frame can have.
* The count is the number of the stream buffers to allocate. */
int mfc_dec_setup_output(struct instance *i, unsigned long codec,
unsigned int size, int count);
/* Queue OUTPUT buffer */
int mfc_dec_queue_buf_out(struct instance *i, int n, int length);
/* Queue CAPTURE buffer */
int mfc_dec_queue_buf_cap(struct instance *i, int n);
/* Control MFC streaming */
int mfc_stream(struct instance *i, enum v4l2_buf_type type, int status);
/* Setup CAPTURE queue. The argument extra_buf means the number of extra
* buffers that should added to the minimum number of buffers required
* by MFC. The final number of buffers allocated is stored in the instance
* structure. */
int mfc_dec_setup_capture(struct instance *i, int extra_buf);
/* Dequeue a buffer, the structure *buf is used to return the parameters of the
* dequeued buffer. */
int mfc_dec_dequeue_buf(struct instance *i, struct v4l2_buffer *buf);
#endif /* INCLUDE_MFC_H */
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