| 0,0 → 1,94 |
|---|
| /* |
| * Copyright (c) 2003 Michael Niedermayer |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file |
| * ASUS V1/V2 encoder/decoder common data |
| */ |
| |
| #include <stdint.h> |
| |
| #include "asv.h" |
| #include "avcodec.h" |
| |
| const uint8_t ff_asv_scantab[64] = { |
| 0x00,0x08,0x01,0x09,0x10,0x18,0x11,0x19, |
| 0x02,0x0A,0x03,0x0B,0x12,0x1A,0x13,0x1B, |
| 0x04,0x0C,0x05,0x0D,0x20,0x28,0x21,0x29, |
| 0x06,0x0E,0x07,0x0F,0x14,0x1C,0x15,0x1D, |
| 0x22,0x2A,0x23,0x2B,0x30,0x38,0x31,0x39, |
| 0x16,0x1E,0x17,0x1F,0x24,0x2C,0x25,0x2D, |
| 0x32,0x3A,0x33,0x3B,0x26,0x2E,0x27,0x2F, |
| 0x34,0x3C,0x35,0x3D,0x36,0x3E,0x37,0x3F, |
| }; |
| |
| const uint8_t ff_asv_ccp_tab[17][2] = { |
| {0x2,2}, {0x7,5}, {0xB,5}, {0x3,5}, |
| {0xD,5}, {0x5,5}, {0x9,5}, {0x1,5}, |
| {0xE,5}, {0x6,5}, {0xA,5}, {0x2,5}, |
| {0xC,5}, {0x4,5}, {0x8,5}, {0x3,2}, |
| {0xF,5}, //EOB |
| }; |
| |
| const uint8_t ff_asv_level_tab[7][2] = { |
| {3,4}, {3,3}, {3,2}, {0,3}, {2,2}, {2,3}, {2,4} |
| }; |
| |
| const uint8_t ff_asv_dc_ccp_tab[8][2] = { |
| {0x1,2}, {0xD,4}, {0xF,4}, {0xC,4}, |
| {0x5,3}, {0xE,4}, {0x4,3}, {0x0,2}, |
| }; |
| |
| const uint8_t ff_asv_ac_ccp_tab[16][2] = { |
| {0x00,2}, {0x3B,6}, {0x0A,4}, {0x3A,6}, |
| {0x02,3}, {0x39,6}, {0x3C,6}, {0x38,6}, |
| {0x03,3}, {0x3D,6}, {0x08,4}, {0x1F,5}, |
| {0x09,4}, {0x0B,4}, {0x0D,4}, {0x0C,4}, |
| }; |
| |
| const uint8_t ff_asv2_level_tab[63][2] = { |
| {0x3F,10},{0x2F,10},{0x37,10},{0x27,10},{0x3B,10},{0x2B,10},{0x33,10},{0x23,10}, |
| {0x3D,10},{0x2D,10},{0x35,10},{0x25,10},{0x39,10},{0x29,10},{0x31,10},{0x21,10}, |
| {0x1F, 8},{0x17, 8},{0x1B, 8},{0x13, 8},{0x1D, 8},{0x15, 8},{0x19, 8},{0x11, 8}, |
| {0x0F, 6},{0x0B, 6},{0x0D, 6},{0x09, 6}, |
| {0x07, 4},{0x05, 4}, |
| {0x03, 2}, |
| {0x00, 5}, |
| {0x02, 2}, |
| {0x04, 4},{0x06, 4}, |
| {0x08, 6},{0x0C, 6},{0x0A, 6},{0x0E, 6}, |
| {0x10, 8},{0x18, 8},{0x14, 8},{0x1C, 8},{0x12, 8},{0x1A, 8},{0x16, 8},{0x1E, 8}, |
| {0x20,10},{0x30,10},{0x28,10},{0x38,10},{0x24,10},{0x34,10},{0x2C,10},{0x3C,10}, |
| {0x22,10},{0x32,10},{0x2A,10},{0x3A,10},{0x26,10},{0x36,10},{0x2E,10},{0x3E,10}, |
| }; |
| |
| av_cold void ff_asv_common_init(AVCodecContext *avctx) { |
| ASV1Context * const a = avctx->priv_data; |
| |
| ff_dsputil_init(&a->dsp, avctx); |
| |
| a->mb_width = (avctx->width + 15) / 16; |
| a->mb_height = (avctx->height + 15) / 16; |
| a->mb_width2 = (avctx->width + 0) / 16; |
| a->mb_height2 = (avctx->height + 0) / 16; |
| |
| avctx->coded_frame= &a->picture; |
| a->avctx= avctx; |
| } |