LCOV - code coverage report
Current view: top level - libavcodec - wmv2.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 2 2 100.0 %
Date: 2017-12-18 20:14:19 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * Copyright (c) 2002 The FFmpeg Project
       3             :  *
       4             :  * This file is part of FFmpeg.
       5             :  *
       6             :  * FFmpeg is free software; you can redistribute it and/or
       7             :  * modify it under the terms of the GNU Lesser General Public
       8             :  * License as published by the Free Software Foundation; either
       9             :  * version 2.1 of the License, or (at your option) any later version.
      10             :  *
      11             :  * FFmpeg is distributed in the hope that it will be useful,
      12             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14             :  * Lesser General Public License for more details.
      15             :  *
      16             :  * You should have received a copy of the GNU Lesser General Public
      17             :  * License along with FFmpeg; if not, write to the Free Software
      18             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      19             :  */
      20             : 
      21             : #ifndef AVCODEC_WMV2_H
      22             : #define AVCODEC_WMV2_H
      23             : 
      24             : #include "avcodec.h"
      25             : #include "intrax8.h"
      26             : #include "mpegvideo.h"
      27             : #include "wmv2dsp.h"
      28             : 
      29             : #define SKIP_TYPE_NONE 0
      30             : #define SKIP_TYPE_MPEG 1
      31             : #define SKIP_TYPE_ROW  2
      32             : #define SKIP_TYPE_COL  3
      33             : 
      34             : 
      35             : typedef struct Wmv2Context {
      36             :     MpegEncContext s;
      37             :     IntraX8Context x8;
      38             :     WMV2DSPContext wdsp;
      39             :     int j_type_bit;
      40             :     int j_type;
      41             :     int abt_flag;
      42             :     int abt_type;
      43             :     int abt_type_table[6];
      44             :     int per_mb_abt;
      45             :     int per_block_abt;
      46             :     int mspel_bit;
      47             :     int cbp_table_index;
      48             :     int top_left_mv_flag;
      49             :     int per_mb_rl_bit;
      50             :     int skip_type;
      51             :     int hshift;
      52             : 
      53             :     ScanTable abt_scantable[2];
      54             :     DECLARE_ALIGNED(32, int16_t, abt_block2)[6][64];
      55             : } Wmv2Context;
      56             : 
      57             : void ff_wmv2_common_init(Wmv2Context *w);
      58             : 
      59             : int ff_wmv2_decode_mb(MpegEncContext *s, int16_t block[6][64]);
      60             : int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number);
      61             : void ff_wmv2_encode_mb(MpegEncContext * s, int16_t block[6][64],
      62             :                        int motion_x, int motion_y);
      63             : int ff_wmv2_decode_picture_header(MpegEncContext * s);
      64             : int ff_wmv2_decode_secondary_picture_header(MpegEncContext * s);
      65             : void ff_wmv2_add_mb(MpegEncContext *s, int16_t block[6][64],
      66             :                     uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr);
      67             : 
      68             : void ff_mspel_motion(MpegEncContext *s,
      69             :                      uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
      70             :                      uint8_t **ref_picture, op_pixels_func (*pix_op)[4],
      71             :                      int motion_x, int motion_y, int h);
      72             : 
      73             : 
      74         825 : static av_always_inline int wmv2_get_cbp_table_index(MpegEncContext *s, int cbp_index)
      75             : {
      76             :     static const uint8_t map[3][3] = {
      77             :         { 0, 2, 1 },
      78             :         { 1, 0, 2 },
      79             :         { 2, 1, 0 },
      80             :     };
      81             : 
      82         825 :     return map[(s->qscale > 10) + (s->qscale > 20)][cbp_index];
      83             : }
      84             : 
      85             : #endif /* AVCODEC_WMV2_H */

Generated by: LCOV version 1.13