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Diffstat (limited to 'third_party/dav1d/include/common/frame.h')
| -rw-r--r-- | third_party/dav1d/include/common/frame.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/third_party/dav1d/include/common/frame.h b/third_party/dav1d/include/common/frame.h new file mode 100644 index 0000000000..767f7fd06a --- /dev/null +++ b/third_party/dav1d/include/common/frame.h @@ -0,0 +1,45 @@ +/* + * 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 */ |