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+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVUTIL_BLOCK_TYPE_H
+#define AVUTIL_BLOCK_TYPE_H
+
+#include <stdint.h>
+
+
+typedef struct AVBlockType {
+ /**
+ * Block type.
+ * 1: Prediction (this can be spatial prediction or motion compensation for example)
+ * 2: Transform
+ * 3: Residual
+ * 4: Filter
+ * 5: Metadata
+ *
+ * Multiple Filter, Transform and prediction blocks are allowed, for example
+ * for bidirectional motion compensation. Multiple residuals are allowed, for
+ * example DC and AC residual.
+ */
+ uint8_t type;
+ /**
+ * Bitmask that lists which planes (for example: Y:1,Cb:2,Cr:4,Alpha:8)
+ * this block applies to.
+ */
+ uint8_t plane_mask;
+ /**
+ * The field (top:1, bottom:2) this block applies to.
+ */
+ uint8_t field_mask;
+ uint8_t name[16];
+ /**
+ * Left Top corner position. This can be outside of the vissible frame.
+ */
+ int32_t x, y;
+ /**
+ * Width and height of the block.
+ */
+ uint16_t w, h;
+ /**
+ * Number identifying the slice the Block is in.
+ */
+ uint16_t slice_num;
+ /**
+ * Location in bits where the block related information is stored. can be -1
+ */
+ uint32_t block_index, block_bits;
+
+ /**
+ * Main Direction, 0 is horizontal, 48 is vertical,
+ * values 0 to 95 follow clockwise direction.
+ * 255 means that the block has no direction.
+ * This represents the main direction of a transform, prediction or filter
+ */
+ uint8_t direction;
+
+ /**
+ * Quantization parameter, a value of 0x8000 means lossless, 0x7FFF means not applicable
+ * for MC prediction this is the precission of the motion vector.
+ */
+ int16_t qp;
+
+ /**
+ * Where the prediction comes from; negative value when it comes
+ * from the past, positive value when it comes from the future.
+ * 0 For Intra.
+ */
+ int32_t source;
+ /**
+ * Motion vector
+ * src_x = dst_x + motion_x / qp
+ * src_y = dst_y + motion_y / qp
+ */
+ int32_t motion_x, motion_y;
+
+ /**
+ * Extra flag information.
+ */
+ uint64_t flags;
+#define AV_BLOCK_TYPE_FLAG_INTERLACED 0x0000001 ///< Block is interlaced
+
+#define AV_BLOCK_TYPE_FLAG_LEAF 0x0001000 ///< Block is a leaf block, it is not further split
+#define AV_BLOCK_TYPE_FLAG_ROOT 0x0002000 ///< Block is a root block, it is not contained in a larger block
+
+#define AV_BLOCK_TYPE_FLAG_CONCEALED 0x0010000 ///< Block has been replaced by error conclealment
+#define AV_BLOCK_TYPE_FLAG_DAMAGED 0x0020000 ///< Block has been damaged
+
+} AVBlockType;
+
+#endif /* AVUTIL_BLOCK_TYPE_H */
This is based on motion_type.h Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavutil/block_type.h | 107 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 libavutil/block_type.h