5d4cffb35f
This commit adds a pick_sb_mode() function which selects the best 32x32 superblock coding mode. Then it selects the best per-MB modes, compares the two and encodes that in the bitstream. The bitstream coding is rather simplistic right now. At the SB level, we code a bit to indicate whether this block uses SB-coding (32x32 prediction) or MB-coding (anything else), and then we follow with the actual modes. This could and should be modified in the future, but is omitted from this commit because it will likely involve reorganizing much more code rather than just adding SB coding, so it's better to let that be judged on its own merits. Gains on derf: about even, YT/HD: +0.75%, STD/HD: +1.5%. Change-Id: Iae313a7cbd8f75b3c66d04a68b991cb096eaaba6
44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef __INC_RDOPT_H
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#define __INC_RDOPT_H
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#define RDCOST(RM,DM,R,D) ( ((128+((int64_t)R)*(RM)) >> 8) + ((int64_t)DM)*(D) )
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#define RDCOST_8x8(RM,DM,R,D) ( ((128+((int64_t)R)*(RM)) >> 8) + ((int64_t)DM)*(D) )
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extern void vp8_initialize_rd_consts(VP8_COMP *cpi, int Qvalue);
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extern void vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int recon_uvoffset,
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int *returnrate, int *returndistortion, int64_t *returnintra);
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extern void vp8_rd_pick_intra_mode(VP8_COMP *cpi, MACROBLOCK *x, int *r, int *d);
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extern void vp8_rd_pick_intra_mode_sb(VP8_COMP *cpi, MACROBLOCK *x, int *r, int *d);
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extern void vp8_mv_pred
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(
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VP8_COMP *cpi,
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MACROBLOCKD *xd,
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const MODE_INFO *here,
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int_mv *mvp,
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int refframe,
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int *ref_frame_sign_bias,
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int *sr,
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int near_sadidx[]
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);
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extern void vp8_cal_sad(VP8_COMP *cpi, MACROBLOCKD *xd, MACROBLOCK *x, int recon_yoffset, int near_sadidx[]);
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extern void vp8_init_me_luts();
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extern void vp8_set_mbmode_and_mvs(MACROBLOCK *x, MB_PREDICTION_MODE mb, int_mv *mv);
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extern void rd_update_mvcount(VP8_COMP *cpi,
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MACROBLOCK *x,
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int_mv *best_ref_mv,
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int_mv *second_best_ref_mv);
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#endif
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