00001 /***************************************************************************** 00002 * spudec.h : sub picture unit decoder thread interface 00003 ***************************************************************************** 00004 * Copyright (C) 1999, 2000 the VideoLAN team 00005 * $Id: spudec.h 11664 2005-07-09 06:17:09Z courmisch $ 00006 * 00007 * Authors: Samuel Hocevar <[email protected]> 00008 * 00009 * This program is free software; you can redistribute it and/or modify 00010 * it under the terms of the GNU General Public License as published by 00011 * the Free Software Foundation; either version 2 of the License, or 00012 * (at your option) any later version. 00013 * 00014 * This program is distributed in the hope that it will be useful, 00015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00017 * GNU General Public License for more details. 00018 * 00019 * You should have received a copy of the GNU General Public License 00020 * along with this program; if not, write to the Free Software 00021 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. 00022 *****************************************************************************/ 00023 00024 struct decoder_sys_t 00025 { 00026 int b_packetizer; 00027 00028 mtime_t i_pts; 00029 int i_spu_size; 00030 int i_rle_size; 00031 int i_spu; 00032 00033 block_t *p_block; 00034 00035 /* We will never overflow more than 11 bytes if I'm right */ 00036 uint8_t buffer[65536 + 20 ]; 00037 }; 00038 00039 typedef struct subpicture_data_t 00040 { 00041 mtime_t i_pts; /* presentation timestamp */ 00042 00043 int pi_offset[2]; /* byte offsets to data */ 00044 void *p_data; 00045 00046 /* Color information */ 00047 vlc_bool_t b_palette; 00048 uint8_t pi_alpha[4]; 00049 uint8_t pi_yuv[4][3]; 00050 00051 /* Auto crop fullscreen subtitles */ 00052 vlc_bool_t b_auto_crop; 00053 int i_y_top_offset; 00054 int i_y_bottom_offset; 00055 00056 } subpicture_data_t; 00057 00058 /***************************************************************************** 00059 * Amount of bytes we GetChunk() in one go 00060 *****************************************************************************/ 00061 #define SPU_CHUNK_SIZE 0x200 00062 00063 /***************************************************************************** 00064 * SPU commands 00065 *****************************************************************************/ 00066 #define SPU_CMD_FORCE_DISPLAY 0x00 00067 #define SPU_CMD_START_DISPLAY 0x01 00068 #define SPU_CMD_STOP_DISPLAY 0x02 00069 #define SPU_CMD_SET_PALETTE 0x03 00070 #define SPU_CMD_SET_ALPHACHANNEL 0x04 00071 #define SPU_CMD_SET_COORDINATES 0x05 00072 #define SPU_CMD_SET_OFFSETS 0x06 00073 #define SPU_CMD_END 0xff 00074 00075 /***************************************************************************** 00076 * Prototypes 00077 *****************************************************************************/ 00078 subpicture_t * E_(ParsePacket)( decoder_t * );