| /* |
| * Copyright © 2021, VideoLAN and dav1d authors |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, this |
| * list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef DAV1D_COMMON_FRAME_H |
| #define DAV1D_COMMON_FRAME_H |
| |
| /* |
| * Checks whether Dav1dFrameType == INTER || == SWITCH |
| * Both are defined as odd numbers {1, 3} and therefore have the LSB set. |
| * See also: AV1 spec 6.8.2 |
| */ |
| #define IS_INTER_OR_SWITCH(frame_header) \ |
| ((frame_header)->frame_type & 1) |
| |
| /* |
| * Checks whether Dav1dFrameType == KEY || == INTRA |
| * See also: AV1 spec 6.8.2 |
| */ |
| #define IS_KEY_OR_INTRA(frame_header) \ |
| (!IS_INTER_OR_SWITCH(frame_header)) |
| |
| #endif /* DAV1D_COMMON_FRAME_H */ |
