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80 lines
2.7 KiB
80 lines
2.7 KiB
/*****************************************************************************
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* spudec.h : sub picture unit decoder thread interface
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*****************************************************************************
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* Copyright (C) 1999, 2000, 2006 the VideoLAN team
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* $Id$
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*
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* Authors: Sam Hocevar <sam@zoy.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/* #define DEBUG_SPUDEC 1 */
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struct decoder_sys_t
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{
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int b_packetizer;
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mtime_t i_pts;
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unsigned int i_spu_size;
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unsigned int i_rle_size;
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unsigned int i_spu;
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block_t *p_block;
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/* We will never overflow */
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uint8_t buffer[65536];
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};
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typedef struct subpicture_data_t
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{
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mtime_t i_pts; /* presentation timestamp */
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int pi_offset[2]; /* byte offsets to data */
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void *p_data;
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/* Color information */
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bool b_palette;
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uint8_t pi_alpha[4];
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uint8_t pi_yuv[4][3];
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/* Auto crop fullscreen subtitles */
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bool b_auto_crop;
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int i_y_top_offset;
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int i_y_bottom_offset;
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} subpicture_data_t;
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/*****************************************************************************
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* Amount of bytes we GetChunk() in one go
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*****************************************************************************/
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#define SPU_CHUNK_SIZE 0x200
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/*****************************************************************************
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* SPU commands
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*****************************************************************************/
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#define SPU_CMD_FORCE_DISPLAY 0x00
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#define SPU_CMD_START_DISPLAY 0x01
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#define SPU_CMD_STOP_DISPLAY 0x02
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#define SPU_CMD_SET_PALETTE 0x03
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#define SPU_CMD_SET_ALPHACHANNEL 0x04
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#define SPU_CMD_SET_COORDINATES 0x05
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#define SPU_CMD_SET_OFFSETS 0x06
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#define SPU_CMD_END 0xff
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/*****************************************************************************
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* Prototypes
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*****************************************************************************/
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subpicture_t * ParsePacket( decoder_t * );
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