* H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * @file h264pred.h
+ * @file
* H.264 / AVC / MPEG4 prediction functions.
* @author Michael Niedermayer <michaelni@gmx.at>
*/
#ifndef AVCODEC_H264PRED_H
#define AVCODEC_H264PRED_H
-#include "libavutil/common.h"
+#include <stddef.h>
+#include <stdint.h>
/**
* Prediction types
*/
//@{
-#define VERT_PRED 0
-#define HOR_PRED 1
-#define DC_PRED 2
-#define DIAG_DOWN_LEFT_PRED 3
-#define DIAG_DOWN_RIGHT_PRED 4
-#define VERT_RIGHT_PRED 5
-#define HOR_DOWN_PRED 6
-#define VERT_LEFT_PRED 7
-#define HOR_UP_PRED 8
+#define VERT_PRED 0
+#define HOR_PRED 1
+#define DC_PRED 2
+#define DIAG_DOWN_LEFT_PRED 3
+#define DIAG_DOWN_RIGHT_PRED 4
+#define VERT_RIGHT_PRED 5
+#define HOR_DOWN_PRED 6
+#define VERT_LEFT_PRED 7
+#define HOR_UP_PRED 8
-#define LEFT_DC_PRED 9
+// DC edge (not for VP8)
+#define LEFT_DC_PRED 9
#define TOP_DC_PRED 10
#define DC_128_PRED 11
+// RV40 specific
#define DIAG_DOWN_LEFT_PRED_RV40_NODOWN 12
#define HOR_UP_PRED_RV40_NODOWN 13
#define VERT_LEFT_PRED_RV40_NODOWN 14
-#define DC_PRED8x8 0
-#define HOR_PRED8x8 1
-#define VERT_PRED8x8 2
-#define PLANE_PRED8x8 3
+// VP8 specific
+#define TM_VP8_PRED 9 ///< "True Motion", used instead of plane
+#define VERT_VP8_PRED 10 ///< for VP8, #VERT_PRED is the average of
+ ///< (left col+cur col x2+right col) / 4;
+ ///< this is the "unaveraged" one
+#define HOR_VP8_PRED 14 ///< unaveraged version of #HOR_PRED, see
+ ///< #VERT_VP8_PRED for details
+#define DC_127_PRED 12
+#define DC_129_PRED 13
-#define LEFT_DC_PRED8x8 4
-#define TOP_DC_PRED8x8 5
-#define DC_128_PRED8x8 6
+#define DC_PRED8x8 0
+#define HOR_PRED8x8 1
+#define VERT_PRED8x8 2
+#define PLANE_PRED8x8 3
-#define ALZHEIMER_DC_L0T_PRED8x8 7
-#define ALZHEIMER_DC_0LT_PRED8x8 8
-#define ALZHEIMER_DC_L00_PRED8x8 9
+// DC edge
+#define LEFT_DC_PRED8x8 4
+#define TOP_DC_PRED8x8 5
+#define DC_128_PRED8x8 6
+
+// H264/SVQ3 (8x8) specific
+#define ALZHEIMER_DC_L0T_PRED8x8 7
+#define ALZHEIMER_DC_0LT_PRED8x8 8
+#define ALZHEIMER_DC_L00_PRED8x8 9
#define ALZHEIMER_DC_0L0_PRED8x8 10
+
+// VP8 specific
+#define DC_127_PRED8x8 7
+#define DC_129_PRED8x8 8
//@}
/**
* Context for storing H.264 prediction functions
*/
-typedef struct H264PredContext{
- void (*pred4x4 [9+3+3])(uint8_t *src, uint8_t *topright, int stride);//FIXME move to dsp?
- void (*pred8x8l [9+3])(uint8_t *src, int topleft, int topright, int stride);
- void (*pred8x8 [4+3+4])(uint8_t *src, int stride);
- void (*pred16x16[4+3])(uint8_t *src, int stride);
-}H264PredContext;
+typedef struct H264PredContext {
+ void(*pred4x4[9 + 3 + 3])(uint8_t *src, const uint8_t *topright,
+ ptrdiff_t stride);
+ void(*pred8x8l[9 + 3])(uint8_t *src, int topleft, int topright,
+ ptrdiff_t stride);
+ void(*pred8x8[4 + 3 + 4])(uint8_t *src, ptrdiff_t stride);
+ void(*pred16x16[4 + 3 + 2])(uint8_t *src, ptrdiff_t stride);
+
+ void(*pred4x4_add[2])(uint8_t *pix /*align 4*/,
+ int16_t *block /*align 16*/, ptrdiff_t stride);
+ void(*pred8x8l_add[2])(uint8_t *pix /*align 8*/,
+ int16_t *block /*align 16*/, ptrdiff_t stride);
+ void(*pred8x8_add[3])(uint8_t *pix /*align 8*/,
+ const int *block_offset,
+ int16_t *block /*align 16*/, ptrdiff_t stride);
+ void(*pred16x16_add[3])(uint8_t *pix /*align 16*/,
+ const int *block_offset,
+ int16_t *block /*align 16*/, ptrdiff_t stride);
+} H264PredContext;
-void ff_h264_pred_init(H264PredContext *h, int codec_id);
+void ff_h264_pred_init(H264PredContext *h, int codec_id,
+ const int bit_depth, const int chroma_format_idc);
+void ff_h264_pred_init_aarch64(H264PredContext *h, int codec_id,
+ const int bit_depth,
+ const int chroma_format_idc);
+void ff_h264_pred_init_arm(H264PredContext *h, int codec_id,
+ const int bit_depth, const int chroma_format_idc);
+void ff_h264_pred_init_x86(H264PredContext *h, int codec_id,
+ const int bit_depth, const int chroma_format_idc);
#endif /* AVCODEC_H264PRED_H */
projects / ffmpeg / blobdiff