[FFmpeg-devel] [PATCH] avutil: add API for mb_types

[Michael Niedermayer]

This is based on motion_type.h

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavutil/block_type.h | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 libavutil/block_type.h

diff --git a/libavutil/block_type.h b/libavutil/block_type.h
new file mode 100644
index 0000000000..1531c7b420
--- /dev/null
+++ b/libavutil/block_type.h
@@ -0,0 +1,89 @@
+/*
+ * 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 {
+    /**
+     * Extra flag information.
+     */
+    uint64_t flags;
+#define AV_BLOCK_TYPE_FLAG_INTRA      0x0000001        ///< Block is a intra block, else inter
+
+#define AV_BLOCK_TYPE_FLAG_BIDIR      0x0000002        ///< Block uses bidirectional motion compensation
+#define AV_BLOCK_TYPE_FLAG_GMC        0x0000004        ///< Block uses global motion compensation
+#define AV_BLOCK_TYPE_FLAG_SKIP       0x0000008        ///< Block is skiped
+#define AV_BLOCK_TYPE_FLAG_CMV        0x0000010        ///< Block has concealment motion vector(s)
+#define AV_BLOCK_TYPE_FLAG_LOOP       0x0000020        ///< Block uses a loop filter
+#define AV_BLOCK_TYPE_FLAG_WEIGHT     0x0000040        ///< Block uses weighted prediction
+#define AV_BLOCK_TYPE_FLAG_OBMC       0x0000080        ///< Block uses overlapped block MC
+
+#define AV_BLOCK_TYPE_FLAG_DCPRED     0x0000100        ///< Block uses spatial DC prediction
+#define AV_BLOCK_TYPE_FLAG_ACPRED     0x0000200        ///< Block uses spatial AC prediction
+#define AV_BLOCK_TYPE_FLAG_PCM        0x0000400        ///< Block is PCM coded
+#define AV_BLOCK_TYPE_FLAG_IPRED      0x0000800        ///< Block uses interlaced prediction
+
+#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_DC_DAMAGED 0x0020000        ///< Block has damaged DC coeffs
+#define AV_BLOCK_TYPE_FLAG_AC_DAMAGED 0x0040000        ///< Block has damaged AC coeffs
+#define AV_BLOCK_TYPE_FLAG_MV_DAMAGED 0x0080000        ///< Block has damaged MV
+#define AV_BLOCK_TYPE_FLAG_CODED_DC   0x0100000        ///< Block has coded DC coefficients
+#define AV_BLOCK_TYPE_FLAG_CODED_AC   0x0200000        ///< Block has coded AC coefficients
+#define AV_BLOCK_TYPE_FLAG_CODED_MV   0x0400000        ///< Block has coded MV diff
+
+#define AV_BLOCK_TYPE_FLAG_ITRANSFORM 0x0800000        ///< Block uses interlaced transform
+
+
+    /**
+     * Left Top corner position.
+     */
+    uint16_t x, y;
+    /**
+     * Width and height of the block.
+     */
+    uint8_t w, h;
+    /**
+     * Quantization parameter, a value of -128 means lossless, 127 means not applicable
+     */
+    int8_t qp;
+    /**
+     * Direction of prediction, 0 is horizontal, 48 is vertical,
+     * values 0 to 95 follow clockwise direction.
+     * 254 means the block uses planar prediction
+     * 255 means that the block has no prediction direction.
+     */
+    uint8_t pred_direction;
+    /**
+     * Direction of transform, 0 is horizontal, 48 is vertical,
+     * values 0 to 95 follow clockwise direction.
+     * 255 means that the block has no directional transform.
+     */
+    uint8_t transform_direction;
+    /**
+     * Number identifying the slice the MB is in.
+     */
+    uint8_t slice_num;
+} AVBlockType;
+
+#endif /* AVUTIL_BLOCK_TYPE_H */
-- 
2.15.0