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];
68 int inv_ref_poc[16]; // inverse values (list0 only) to avoid divisions in MB encoding
70 /* for adaptive B-frame decision.
71 * contains the SATD cost of the lowres frame encoded in various modes
72 * FIXME: how big an array do we need? */
73 int i_cost_est[X264_BFRAME_MAX+2][X264_BFRAME_MAX+2];
74 int i_satd; // the i_cost_est of the selected frametype
75 int i_intra_mbs[X264_BFRAME_MAX+2];
76 int *i_row_satds[X264_BFRAME_MAX+2][X264_BFRAME_MAX+2];
82 int i_lines_completed; /* in pixels */
83 int i_reference_count; /* number of threads using this frame (not necessarily the number of pointers) */
84 x264_pthread_mutex_t mutex;
85 x264_pthread_cond_t cv;
89 typedef void (*x264_deblock_inter_t)( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
90 typedef void (*x264_deblock_intra_t)( uint8_t *pix, int stride, int alpha, int beta );
93 x264_deblock_inter_t deblock_v_luma;
94 x264_deblock_inter_t deblock_h_luma;
95 x264_deblock_inter_t deblock_v_chroma;
96 x264_deblock_inter_t deblock_h_chroma;
97 x264_deblock_intra_t deblock_v_luma_intra;
98 x264_deblock_intra_t deblock_h_luma_intra;
99 x264_deblock_intra_t deblock_v_chroma_intra;
100 x264_deblock_intra_t deblock_h_chroma_intra;
101 } x264_deblock_function_t;
103 x264_frame_t *x264_frame_new( x264_t *h );
104 void x264_frame_delete( x264_frame_t *frame );
106 int x264_frame_copy_picture( x264_t *h, x264_frame_t *dst, x264_picture_t *src );
108 void x264_frame_expand_border( x264_t *h, x264_frame_t *frame, int mb_y, int b_end );
109 void x264_frame_expand_border_filtered( x264_t *h, x264_frame_t *frame, int mb_y, int b_end );
110 void x264_frame_expand_border_lowres( x264_frame_t *frame );
111 void x264_frame_expand_border_mod16( x264_t *h, x264_frame_t *frame );
113 void x264_frame_deblock( x264_t *h );
114 void x264_frame_deblock_row( x264_t *h, int mb_y );
116 void x264_frame_filter( x264_t *h, x264_frame_t *frame, int mb_y, int b_end );
117 void x264_frame_init_lowres( x264_t *h, x264_frame_t *frame );
119 void x264_deblock_init( int cpu, x264_deblock_function_t *pf );
121 void x264_frame_cond_broadcast( x264_frame_t *frame, int i_lines_completed );
122 void x264_frame_cond_wait( x264_frame_t *frame, int i_lines_completed );
124 void x264_frame_push( x264_frame_t **list, x264_frame_t *frame );
125 x264_frame_t *x264_frame_pop( x264_frame_t **list );
126 void x264_frame_unshift( x264_frame_t **list, x264_frame_t *frame );
127 x264_frame_t *x264_frame_shift( x264_frame_t **list );
128 void x264_frame_push_unused( x264_t *h, x264_frame_t *frame );
129 x264_frame_t *x264_frame_pop_unused( x264_t *h );
130 void x264_frame_sort( x264_frame_t **list, int b_dts );
131 #define x264_frame_sort_dts(list) x264_frame_sort(list, 1)
132 #define x264_frame_sort_pts(list) x264_frame_sort(list, 0)