LCOV - code coverage report
Current view: top level - src/libavcodec - asv.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 9 9 100.0 %
Date: 2017-01-24 04:42:20 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * Copyright (c) 2003 Michael Niedermayer
       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             : /**
      22             :  * @file
      23             :  * ASUS V1/V2 encoder/decoder common data
      24             :  */
      25             : 
      26             : #include <stdint.h>
      27             : 
      28             : #include "asv.h"
      29             : #include "avcodec.h"
      30             : #include "bswapdsp.h"
      31             : 
      32             : const uint8_t ff_asv_scantab[64] = {
      33             :     0x00, 0x08, 0x01, 0x09, 0x10, 0x18, 0x11, 0x19,
      34             :     0x02, 0x0A, 0x03, 0x0B, 0x12, 0x1A, 0x13, 0x1B,
      35             :     0x04, 0x0C, 0x05, 0x0D, 0x20, 0x28, 0x21, 0x29,
      36             :     0x06, 0x0E, 0x07, 0x0F, 0x14, 0x1C, 0x15, 0x1D,
      37             :     0x22, 0x2A, 0x23, 0x2B, 0x30, 0x38, 0x31, 0x39,
      38             :     0x16, 0x1E, 0x17, 0x1F, 0x24, 0x2C, 0x25, 0x2D,
      39             :     0x32, 0x3A, 0x33, 0x3B, 0x26, 0x2E, 0x27, 0x2F,
      40             :     0x34, 0x3C, 0x35, 0x3D, 0x36, 0x3E, 0x37, 0x3F,
      41             : };
      42             : 
      43             : const uint8_t ff_asv_ccp_tab[17][2] = {
      44             :     { 0x2, 2 }, { 0x7, 5 }, { 0xB, 5 }, { 0x3, 5 },
      45             :     { 0xD, 5 }, { 0x5, 5 }, { 0x9, 5 }, { 0x1, 5 },
      46             :     { 0xE, 5 }, { 0x6, 5 }, { 0xA, 5 }, { 0x2, 5 },
      47             :     { 0xC, 5 }, { 0x4, 5 }, { 0x8, 5 }, { 0x3, 2 },
      48             :     { 0xF, 5 }, // EOB
      49             : };
      50             : 
      51             : const uint8_t ff_asv_level_tab[7][2] = {
      52             :     { 3, 4 }, { 3, 3 }, { 3, 2 }, { 0, 3 }, { 2, 2 }, { 2, 3 }, { 2, 4 }
      53             : };
      54             : 
      55             : const uint8_t ff_asv_dc_ccp_tab[8][2] = {
      56             :     { 0x1, 2 }, { 0xD, 4 }, { 0xF, 4 }, { 0xC, 4 },
      57             :     { 0x5, 3 }, { 0xE, 4 }, { 0x4, 3 }, { 0x0, 2 },
      58             : };
      59             : 
      60             : const uint8_t ff_asv_ac_ccp_tab[16][2] = {
      61             :     { 0x00, 2 }, { 0x3B, 6 }, { 0x0A, 4 }, { 0x3A, 6 },
      62             :     { 0x02, 3 }, { 0x39, 6 }, { 0x3C, 6 }, { 0x38, 6 },
      63             :     { 0x03, 3 }, { 0x3D, 6 }, { 0x08, 4 }, { 0x1F, 5 },
      64             :     { 0x09, 4 }, { 0x0B, 4 }, { 0x0D, 4 }, { 0x0C, 4 },
      65             : };
      66             : 
      67             : const uint8_t ff_asv2_level_tab[63][2] = {
      68             :     { 0x3F, 10 }, { 0x2F, 10 }, { 0x37, 10 }, { 0x27, 10 }, { 0x3B, 10 }, { 0x2B, 10 }, { 0x33, 10 }, { 0x23, 10 },
      69             :     { 0x3D, 10 }, { 0x2D, 10 }, { 0x35, 10 }, { 0x25, 10 }, { 0x39, 10 }, { 0x29, 10 }, { 0x31, 10 }, { 0x21, 10 },
      70             :     { 0x1F,  8 }, { 0x17,  8 }, { 0x1B,  8 }, { 0x13,  8 }, { 0x1D,  8 }, { 0x15,  8 }, { 0x19,  8 }, { 0x11,  8 },
      71             :     { 0x0F,  6 }, { 0x0B,  6 }, { 0x0D,  6 }, { 0x09,  6 },
      72             :     { 0x07,  4 }, { 0x05,  4 },
      73             :     { 0x03,  2 },
      74             :     { 0x00,  5 },
      75             :     { 0x02,  2 },
      76             :     { 0x04,  4 }, { 0x06,  4 },
      77             :     { 0x08,  6 }, { 0x0C,  6 }, { 0x0A,  6 }, { 0x0E,  6 },
      78             :     { 0x10,  8 }, { 0x18,  8 }, { 0x14,  8 }, { 0x1C,  8 }, { 0x12,  8 }, { 0x1A,  8 }, { 0x16,  8 }, { 0x1E,  8 },
      79             :     { 0x20, 10 }, { 0x30, 10 }, { 0x28, 10 }, { 0x38, 10 }, { 0x24, 10 }, { 0x34, 10 }, { 0x2C, 10 }, { 0x3C, 10 },
      80             :     { 0x22, 10 }, { 0x32, 10 }, { 0x2A, 10 }, { 0x3A, 10 }, { 0x26, 10 }, { 0x36, 10 }, { 0x2E, 10 }, { 0x3E, 10 },
      81             : };
      82             : 
      83          26 : av_cold void ff_asv_common_init(AVCodecContext *avctx)
      84             : {
      85          26 :     ASV1Context *const a = avctx->priv_data;
      86             : 
      87          26 :     ff_bswapdsp_init(&a->bbdsp);
      88             : 
      89          26 :     a->mb_width   = (avctx->width  + 15) / 16;
      90          26 :     a->mb_height  = (avctx->height + 15) / 16;
      91          26 :     a->mb_width2  = (avctx->width  +  0) / 16;
      92          26 :     a->mb_height2 = (avctx->height +  0) / 16;
      93             : 
      94          26 :     a->avctx = avctx;
      95          26 : }

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