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frame.h
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上传日期：2021-12-09
资源大小：5084k
文件大小：5k
源码类别：
Audio
开发平台：
Visual C++
- /*****************************************************************************
- * frame.h: h264 encoder library
- *****************************************************************************
- * Copyright (C) 2003-2008 x264 project
- *
- * Authors: Laurent Aimar <fenrir@via.ecp.fr>
- * Loren Merritt <lorenm@u.washington.edu>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
- *****************************************************************************/
- #ifndef X264_FRAME_H
- #define X264_FRAME_H
- /* number of pixels past the edge of the frame, for motion estimation/compensation */
- #define PADH 32
- #define PADV 32
- typedef struct
- {
- /* */
- int i_poc;
- int i_type;
- int i_qpplus1;
- int64_t i_pts;
- int i_frame; /* Presentation frame number */
- int i_frame_num; /* Coded frame number */
- int b_kept_as_ref;
- float f_qp_avg_rc; /* QPs as decided by ratecontrol */
- float f_qp_avg_aq; /* QPs as decided by AQ in addition to ratecontrol */
- /* YUV buffer */
- int i_plane;
- int i_stride[3];
- int i_width[3];
- int i_lines[3];
- int i_stride_lowres;
- int i_width_lowres;
- int i_lines_lowres;
- uint8_t *plane[3];
- uint8_t *filtered[4]; /* plane[0], H, V, HV */
- uint8_t *lowres[4]; /* half-size copy of input frame: Orig, H, V, HV */
- uint16_t *integral;
- /* for unrestricted mv we allocate more data than needed
- * allocated data are stored in buffer */
- uint8_t *buffer[4];
- uint8_t *buffer_lowres[4];
- /* motion data */
- int8_t *mb_type;
- int16_t (*mv[2])[2];
- int8_t *ref[2];
- int i_ref[2];
- int ref_poc[2][16];
- int inv_ref_poc[16]; // inverse values (list0 only) to avoid divisions in MB encoding
- /* for adaptive B-frame decision.
- * contains the SATD cost of the lowres frame encoded in various modes
- * FIXME: how big an array do we need? */
- int i_cost_est[X264_BFRAME_MAX+2][X264_BFRAME_MAX+2];
- int i_satd; // the i_cost_est of the selected frametype
- int i_intra_mbs[X264_BFRAME_MAX+2];
- int *i_row_satds[X264_BFRAME_MAX+2][X264_BFRAME_MAX+2];
- int *i_row_satd;
- int *i_row_bits;
- int *i_row_qp;
- /* threading */
- int i_lines_completed; /* in pixels */
- int i_reference_count; /* number of threads using this frame (not necessarily the number of pointers) */
- x264_pthread_mutex_t mutex;
- x264_pthread_cond_t cv;
- } x264_frame_t;
- typedef void (*x264_deblock_inter_t)( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
- typedef void (*x264_deblock_intra_t)( uint8_t *pix, int stride, int alpha, int beta );
- typedef struct
- {
- x264_deblock_inter_t deblock_v_luma;
- x264_deblock_inter_t deblock_h_luma;
- x264_deblock_inter_t deblock_v_chroma;
- x264_deblock_inter_t deblock_h_chroma;
- x264_deblock_intra_t deblock_v_luma_intra;
- x264_deblock_intra_t deblock_h_luma_intra;
- x264_deblock_intra_t deblock_v_chroma_intra;
- x264_deblock_intra_t deblock_h_chroma_intra;
- } x264_deblock_function_t;
- x264_frame_t *x264_frame_new( x264_t *h );
- void x264_frame_delete( x264_frame_t *frame );
- int x264_frame_copy_picture( x264_t *h, x264_frame_t *dst, x264_picture_t *src );
- void x264_frame_expand_border( x264_t *h, x264_frame_t *frame, int mb_y, int b_end );
- void x264_frame_expand_border_filtered( x264_t *h, x264_frame_t *frame, int mb_y, int b_end );
- void x264_frame_expand_border_lowres( x264_frame_t *frame );
- void x264_frame_expand_border_mod16( x264_t *h, x264_frame_t *frame );
- void x264_frame_deblock( x264_t *h );
- void x264_frame_deblock_row( x264_t *h, int mb_y );
- void x264_frame_filter( x264_t *h, x264_frame_t *frame, int mb_y, int b_end );
- void x264_frame_init_lowres( x264_t *h, x264_frame_t *frame );
- void x264_deblock_init( int cpu, x264_deblock_function_t *pf );
- void x264_frame_cond_broadcast( x264_frame_t *frame, int i_lines_completed );
- void x264_frame_cond_wait( x264_frame_t *frame, int i_lines_completed );
- void x264_frame_push( x264_frame_t **list, x264_frame_t *frame );
- x264_frame_t *x264_frame_pop( x264_frame_t **list );
- void x264_frame_unshift( x264_frame_t **list, x264_frame_t *frame );
- x264_frame_t *x264_frame_shift( x264_frame_t **list );
- void x264_frame_push_unused( x264_t *h, x264_frame_t *frame );
- x264_frame_t *x264_frame_pop_unused( x264_t *h );
- void x264_frame_sort( x264_frame_t **list, int b_dts );
- #define x264_frame_sort_dts(list) x264_frame_sort(list, 1)
- #define x264_frame_sort_pts(list) x264_frame_sort(list, 0)
- #endif
