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Diffstat (limited to 'v4l2-mfc-example/mfc.h')
| -rw-r--r-- | v4l2-mfc-example/mfc.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/v4l2-mfc-example/mfc.h b/v4l2-mfc-example/mfc.h new file mode 100644 index 0000000..a051f2a --- /dev/null +++ b/v4l2-mfc-example/mfc.h @@ -0,0 +1,53 @@ +/* + * 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, char *name); +/* 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 */ + |