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Diffstat (limited to 'src/combined/ffmpeg/ff_mpeg_parser.h')
-rw-r--r-- | src/combined/ffmpeg/ff_mpeg_parser.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/combined/ffmpeg/ff_mpeg_parser.h b/src/combined/ffmpeg/ff_mpeg_parser.h new file mode 100644 index 000000000..504e746f9 --- /dev/null +++ b/src/combined/ffmpeg/ff_mpeg_parser.h @@ -0,0 +1,81 @@ +/* + * Copyright (C) 2001-2004 the xine project + * + * This file is part of xine, a free video player. + * + * xine is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * xine 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * Simple MPEG-ES parser/framer by Thibaut Mattern (tmattern@noos.fr) + * based on libmpeg2 decoder. + */ +#ifndef HAVE_MPEG_PARSER_H +#define HAVE_MPEG_PARSER_H + +#include <xine/xine_internal.h> +#include "ffmpeg_decoder.h" + +#define BUFFER_SIZE (1194 * 1024) /* libmpeg2's buffer size */ + +/* picture coding type (mpeg2 header) */ +#define I_TYPE 1 +#define P_TYPE 2 +#define B_TYPE 3 +#define D_TYPE 4 + +typedef struct mpeg_parser_s { + uint8_t *chunk_buffer; + uint8_t *chunk_ptr; + uint8_t *chunk_start; + uint32_t shift; + int buffer_size; + uint8_t code; + uint8_t picture_coding_type; + + uint8_t is_sequence_needed:1; + uint8_t is_mpeg1:1; /* public */ + uint8_t has_sequence:1; /* public */ + uint8_t in_slice:1; + + uint8_t rate_code:4; + + int aspect_ratio_info; + + /* public properties */ + uint16_t width; + uint16_t height; + int frame_duration; + double frame_aspect_ratio; + +} mpeg_parser_t; + +/* parser initialization */ +void mpeg_parser_init (mpeg_parser_t *parser); + +/* parser disposal */ +void mpeg_parser_dispose (mpeg_parser_t *parser); + +/* read a frame + * return a pointer to the first byte of the next frame + * or NULL if more bytes are needed + * *flush is set to 1 if the decoder must be flushed (needed for still menus) + */ +uint8_t *mpeg_parser_decode_data (mpeg_parser_t *parser, + uint8_t *current, uint8_t *end, + int *flush); + +/* reset the parser */ +void mpeg_parser_reset (mpeg_parser_t *parser); + +#endif /* HAVE_MPEG_PARSER_H */ |