1 /*****************************************************************************
2 * frame.h: h264 encoder library
3 *****************************************************************************
4 * Copyright (C) 2003-2008 x264 project
6 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
7 * Loren Merritt <lorenm@u.washington.edu>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
22 *****************************************************************************/
27 /* number of pixels past the edge of the frame, for motion estimation/compensation */
38 int i_frame; /* Presentation frame number */
39 int i_frame_num; /* Coded frame number */
41 float f_qp_avg_rc; /* QPs as decided by ratecontrol */
42 float f_qp_avg_aq; /* QPs as decided by AQ in addition to ratecontrol */
53 uint8_t *filtered[4]; /* plane[0], H, V, HV */
54 uint8_t *lowres[4]; /* half-size copy of input frame: Orig, H, V, HV */
57 /* for unrestricted mv we allocate more data than needed
58 * allocated data are stored in buffer */
60 uint8_t *buffer_lowres[4];
65 int16_t (*lowres_mvs[2][X264_BFRAME_MAX+1])[2];
66 int *lowres_mv_costs[2][X264_BFRAME_MAX+1];
70 int inv_ref_poc[16]; // inverse values (list0 only) to avoid divisions in MB encoding
72 /* for adaptive B-frame decision.
73 * contains the SATD cost of the lowres frame encoded in various modes
74 * FIXME: how big an array do we need? */
75 int i_cost_est[X264_BFRAME_MAX+2][X264_BFRAME_MAX+2];
76 int i_cost_est_aq[X264_BFRAME_MAX+2][X264_BFRAME_MAX+2];
77 int i_satd; // the i_cost_est of the selected frametype
78 int i_intra_mbs[X264_BFRAME_MAX+2];
79 int *i_row_satds[X264_BFRAME_MAX+2][X264_BFRAME_MAX+2];
84 int b_intra_calculated;
85 uint16_t *i_intra_cost;
86 uint16_t *i_inv_qscale_factor;
89 int i_lines_completed; /* in pixels */
90 int i_reference_count; /* number of threads using this frame (not necessarily the number of pointers) */
91 x264_pthread_mutex_t mutex;
92 x264_pthread_cond_t cv;
96 typedef void (*x264_deblock_inter_t)( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
97 typedef void (*x264_deblock_intra_t)( uint8_t *pix, int stride, int alpha, int beta );
100 x264_deblock_inter_t deblock_v_luma;
101 x264_deblock_inter_t deblock_h_luma;
102 x264_deblock_inter_t deblock_v_chroma;
103 x264_deblock_inter_t deblock_h_chroma;
104 x264_deblock_intra_t deblock_v_luma_intra;
105 x264_deblock_intra_t deblock_h_luma_intra;
106 x264_deblock_intra_t deblock_v_chroma_intra;
107 x264_deblock_intra_t deblock_h_chroma_intra;
108 } x264_deblock_function_t;
110 x264_frame_t *x264_frame_new( x264_t *h );
111 void x264_frame_delete( x264_frame_t *frame );
113 int x264_frame_copy_picture( x264_t *h, x264_frame_t *dst, x264_picture_t *src );
115 void x264_frame_expand_border( x264_t *h, x264_frame_t *frame, int mb_y, int b_end );
116 void x264_frame_expand_border_filtered( x264_t *h, x264_frame_t *frame, int mb_y, int b_end );
117 void x264_frame_expand_border_lowres( x264_frame_t *frame );
118 void x264_frame_expand_border_mod16( x264_t *h, x264_frame_t *frame );
120 void x264_frame_deblock( x264_t *h );
121 void x264_frame_deblock_row( x264_t *h, int mb_y );
123 void x264_frame_filter( x264_t *h, x264_frame_t *frame, int mb_y, int b_end );
124 void x264_frame_init_lowres( x264_t *h, x264_frame_t *frame );
126 void x264_deblock_init( int cpu, x264_deblock_function_t *pf );
128 void x264_frame_cond_broadcast( x264_frame_t *frame, int i_lines_completed );
129 void x264_frame_cond_wait( x264_frame_t *frame, int i_lines_completed );
131 void x264_frame_push( x264_frame_t **list, x264_frame_t *frame );
132 x264_frame_t *x264_frame_pop( x264_frame_t **list );
133 void x264_frame_unshift( x264_frame_t **list, x264_frame_t *frame );
134 x264_frame_t *x264_frame_shift( x264_frame_t **list );
135 void x264_frame_push_unused( x264_t *h, x264_frame_t *frame );
136 x264_frame_t *x264_frame_pop_unused( x264_t *h );
137 void x264_frame_sort( x264_frame_t **list, int b_dts );
138 #define x264_frame_sort_dts(list) x264_frame_sort(list, 1)
139 #define x264_frame_sort_pts(list) x264_frame_sort(list, 0)