45 lines
1.8 KiB
C
45 lines
1.8 KiB
C
/*
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* Copyright © 2021, VideoLAN and dav1d authors
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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_FRAME_H
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#define DAV1D_COMMON_FRAME_H
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/*
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* Checks whether Dav1dFrameType == INTER || == SWITCH
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* Both are defined as odd numbers {1, 3} and therefore have the LSB set.
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* See also: AV1 spec 6.8.2
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*/
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#define IS_INTER_OR_SWITCH(frame_header) \
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((frame_header)->frame_type & 1)
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/*
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* Checks whether Dav1dFrameType == KEY || == INTRA
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* See also: AV1 spec 6.8.2
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*/
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#define IS_KEY_OR_INTRA(frame_header) \
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(!IS_INTER_OR_SWITCH(frame_header))
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#endif /* DAV1D_COMMON_FRAME_H */
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