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Diffstat (limited to 'include/dav1d/picture.h')
-rw-r--r-- | include/dav1d/picture.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/include/dav1d/picture.h b/include/dav1d/picture.h new file mode 100644 index 0000000..1b3da29 --- /dev/null +++ b/include/dav1d/picture.h @@ -0,0 +1,145 @@ +/* + * Copyright © 2018, VideoLAN and dav1d authors + * Copyright © 2018, Two Orioles, LLC + * 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_PICTURE_H__ +#define __DAV1D_PICTURE_H__ + +#include <stddef.h> +#include <stdint.h> + +#include "common.h" + +enum Dav1dPixelLayout { + DAV1D_PIXEL_LAYOUT_I400, ///< monochrome + DAV1D_PIXEL_LAYOUT_I420, ///< 4:2:0 planar + DAV1D_PIXEL_LAYOUT_I422, ///< 4:2:2 planar + DAV1D_PIXEL_LAYOUT_I444, ///< 4:4:4 planar +}; + +enum Dav1dColorPrimaries { + DAV1D_COLOR_PRI_BT709 = 1, + DAV1D_COLOR_PRI_UNKNOWN = 2, + DAV1D_COLOR_PRI_BT470M = 4, + DAV1D_COLOR_PRI_BT470BG = 5, + DAV1D_COLOR_PRI_BT601 = 6, + DAV1D_COLOR_PRI_SMPTE240 = 7, + DAV1D_COLOR_PRI_FILM = 8, + DAV1D_COLOR_PRI_BT2020 = 9, + DAV1D_COLOR_PRI_XYZ = 10, + DAV1D_COLOR_PRI_SMPTE431 = 11, + DAV1D_COLOR_PRI_SMPTE432 = 12, + DAV1D_COLOR_PRI_EBU3213 = 22, +}; + +enum Dav1dTransferCharacteristics { + DAV1D_TRC_BT709 = 1, + DAV1D_TRC_UNKNOWN = 2, + DAV1D_TRC_BT470M = 4, + DAV1D_TRC_BT470BG = 5, + DAV1D_TRC_BT601 = 6, + DAV1D_TRC_SMPTE240 = 7, + DAV1D_TRC_LINEAR = 8, + DAV1D_TRC_LOG100 = 9, ///< logarithmic (100:1 range) + DAV1D_TRC_LOG100_SQRT10 = 10, ///< lograithmic (100*sqrt(10):1 range) + DAV1D_TRC_IEC61966 = 11, + DAV1D_TRC_BT1361 = 12, + DAV1D_TRC_SRGB = 13, + DAV1D_TRC_BT2020_10BIT = 14, + DAV1D_TRC_BT2020_12BIT = 15, + DAV1D_TRC_SMPTE2084 = 16, ///< PQ + DAV1D_TRC_SMPTE428 = 17, + DAV1D_TRC_HLG = 18, ///< hybrid log/gamma (BT.2100 / ARIB STD-B67) +}; + +enum Dav1dMatrixCoefficients { + DAV1D_MC_IDENTITY = 0, + DAV1D_MC_BT709 = 1, + DAV1D_MC_UNKNOWN = 2, + DAV1D_MC_FCC = 4, + DAV1D_MC_BT470BG = 5, + DAV1D_MC_BT601 = 6, + DAV1D_MC_SMPTE240 = 7, + DAV1D_MC_SMPTE_YCGCO = 8, + DAV1D_MC_BT2020_NCL = 9, + DAV1D_MC_BT2020_CL = 10, + DAV1D_MC_SMPTE2085 = 11, + DAV1D_MC_CHROMAT_NCL = 12, ///< Chromaticity-derived + DAV1D_MC_CHROMAT_CL = 13, + DAV1D_MC_ICTCP = 14, +}; + +enum Dav1dChromaSamplePosition { + DAV1D_CHR_UNKNOWN = 0, + DAV1D_CHR_VERTICAL = 1, ///< Horizontally co-located with luma(0, 0) + ///< sample, between two vertical samples + DAV1D_CHR_COLOCATED = 2, ///< Co-located with luma(0, 0) sample +}; + +typedef struct Dav1dPictureParameters { + int w; ///< width (in pixels) + int h; ///< height (in pixels) + enum Dav1dPixelLayout layout; ///< format of the picture + int bpc; ///< bits per pixel component (8 or 10) + + enum Dav1dColorPrimaries pri; ///< color primaries (av1) + enum Dav1dTransferCharacteristics trc; ///< transfer characteristics (av1) + enum Dav1dMatrixCoefficients mtrx; ///< matrix coefficients (av1) + enum Dav1dChromaSamplePosition chr; ///< chroma sample position (av1) + /** + * Pixel data uses JPEG pixel range ([0,255] for 8bits) instead of + * MPEG pixel range ([16,235] for 8bits luma, [16,240] for 8bits chroma). + */ + int fullrange; +} Dav1dPictureParameters; + +typedef struct Dav1dPicture { + /** + * Pointers to planar image data (Y is [0], U is [1], V is [2]). The data + * should be bytes (for 8 bpc) or words (for 10 bpc). In case of words + * containing 10 bpc image data, the pixels should be located in the LSB + * bits, so that values range between [0, 1023]; the upper bits should be + * zero'ed out. + */ + void *data[3]; + struct Dav1dRef *ref; ///< allocation origin + + /** + * Number of bytes between 2 lines in data[] for luma [0] or chroma [1]. + */ + ptrdiff_t stride[2]; + + Dav1dPictureParameters p; + + int poc; ///< frame number +} Dav1dPicture; + +/** + * Release reference to a picture. + */ +DAV1D_API void dav1d_picture_unref(Dav1dPicture *p); + +#endif /* __DAV1D_PICTURE_H__ */ |