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94 lines
3.2 KiB
C
94 lines
3.2 KiB
C
/*
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* Copyright © 2018, VideoLAN and dav1d authors
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* Copyright © 2018, Two Orioles, LLC
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef DAV1D_COMMON_H
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#define DAV1D_COMMON_H
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#include <errno.h>
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#include <stddef.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef DAV1D_API
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#if defined _WIN32
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#if defined DAV1D_BUILDING_DLL
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#define DAV1D_API __declspec(dllexport)
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#else
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#define DAV1D_API
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#endif
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#else
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#if __GNUC__ >= 4
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#define DAV1D_API __attribute__ ((visibility ("default")))
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#else
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#define DAV1D_API
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#endif
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#endif
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#endif
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#if EPERM > 0
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#define DAV1D_ERR(e) (-(e)) ///< Negate POSIX error code.
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#else
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#define DAV1D_ERR(e) (e)
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#endif
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/**
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* A reference-counted object wrapper for a user-configurable pointer.
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*/
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typedef struct Dav1dUserData {
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const uint8_t *data; ///< data pointer
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struct Dav1dRef *ref; ///< allocation origin
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} Dav1dUserData;
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/**
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* Input packet metadata which are copied from the input data used to
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* decode each image into the matching structure of the output image
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* returned back to the user. Since these are metadata fields, they
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* can be used for other purposes than the documented ones, they will
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* still be passed from input data to output picture without being
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* used internally.
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*/
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typedef struct Dav1dDataProps {
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int64_t timestamp; ///< container timestamp of input data, INT64_MIN if unknown (default)
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int64_t duration; ///< container duration of input data, 0 if unknown (default)
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int64_t offset; ///< stream offset of input data, -1 if unknown (default)
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size_t size; ///< packet size, default Dav1dData.sz
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struct Dav1dUserData user_data; ///< user-configurable data, default NULL members
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} Dav1dDataProps;
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/**
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* Release reference to a Dav1dDataProps.
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*/
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DAV1D_API void dav1d_data_props_unref(Dav1dDataProps *props);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* DAV1D_COMMON_H */
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