145 строки
4.1 KiB
C
145 строки
4.1 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 VP8_ENCODER_RDOPT_H_
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#define VP8_ENCODER_RDOPT_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define RDCOST(RM,DM,R,D) ( ((128+(R)*(RM)) >> 8) + (DM)*(D) )
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static void insertsortmv(int arr[], int len)
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{
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int i, j, k;
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for ( i = 1 ; i <= len-1 ; i++ )
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{
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for ( j = 0 ; j < i ; j++ )
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{
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if ( arr[j] > arr[i] )
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{
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int temp;
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temp = arr[i];
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for ( k = i; k >j; k--)
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arr[k] = arr[k - 1] ;
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arr[j] = temp ;
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}
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}
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}
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}
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static void insertsortsad(int arr[],int idx[], int len)
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{
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int i, j, k;
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for ( i = 1 ; i <= len-1 ; i++ )
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{
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for ( j = 0 ; j < i ; j++ )
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{
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if ( arr[j] > arr[i] )
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{
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int temp, tempi;
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temp = arr[i];
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tempi = idx[i];
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for ( k = i; k >j; k--)
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{
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arr[k] = arr[k - 1] ;
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idx[k] = idx[k - 1];
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}
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arr[j] = temp ;
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idx[j] = tempi;
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}
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}
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}
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}
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extern void vp8_initialize_rd_consts(VP8_COMP *cpi, MACROBLOCK *x, int Qvalue);
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extern void vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x,
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int recon_yoffset, int recon_uvoffset,
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int *returnrate, int *returndistortion,
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int *returnintra, int mb_row, int mb_col);
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extern void vp8_rd_pick_intra_mode(MACROBLOCK *x, int *rate);
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static void get_plane_pointers(const YV12_BUFFER_CONFIG *fb,
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unsigned char *plane[3],
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unsigned int recon_yoffset,
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unsigned int recon_uvoffset)
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{
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plane[0] = fb->y_buffer + recon_yoffset;
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plane[1] = fb->u_buffer + recon_uvoffset;
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plane[2] = fb->v_buffer + recon_uvoffset;
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}
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static void get_predictor_pointers(const VP8_COMP *cpi,
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unsigned char *plane[4][3],
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unsigned int recon_yoffset,
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unsigned int recon_uvoffset)
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{
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if (cpi->ref_frame_flags & VP8_LAST_FRAME)
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get_plane_pointers(&cpi->common.yv12_fb[cpi->common.lst_fb_idx],
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plane[LAST_FRAME], recon_yoffset, recon_uvoffset);
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if (cpi->ref_frame_flags & VP8_GOLD_FRAME)
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get_plane_pointers(&cpi->common.yv12_fb[cpi->common.gld_fb_idx],
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plane[GOLDEN_FRAME], recon_yoffset, recon_uvoffset);
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if (cpi->ref_frame_flags & VP8_ALTR_FRAME)
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get_plane_pointers(&cpi->common.yv12_fb[cpi->common.alt_fb_idx],
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plane[ALTREF_FRAME], recon_yoffset, recon_uvoffset);
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}
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static void get_reference_search_order(const VP8_COMP *cpi,
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int ref_frame_map[4])
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{
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int i=0;
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ref_frame_map[i++] = INTRA_FRAME;
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if (cpi->ref_frame_flags & VP8_LAST_FRAME)
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ref_frame_map[i++] = LAST_FRAME;
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if (cpi->ref_frame_flags & VP8_GOLD_FRAME)
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ref_frame_map[i++] = GOLDEN_FRAME;
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if (cpi->ref_frame_flags & VP8_ALTR_FRAME)
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ref_frame_map[i++] = ALTREF_FRAME;
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for(; i<4; i++)
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ref_frame_map[i] = -1;
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}
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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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void vp8_cal_sad(VP8_COMP *cpi, MACROBLOCKD *xd, MACROBLOCK *x, int recon_yoffset, int near_sadidx[]);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP8_ENCODER_RDOPT_H_
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