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Diffstat (limited to 'src/libmpeg2new/include/mpeg2.h')
| -rw-r--r-- | src/libmpeg2new/include/mpeg2.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/src/libmpeg2new/include/mpeg2.h b/src/libmpeg2new/include/mpeg2.h new file mode 100644 index 000000000..ebc3056af --- /dev/null +++ b/src/libmpeg2new/include/mpeg2.h @@ -0,0 +1,166 @@ +/* + * mpeg2.h + * Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org> + * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca> + * + * This file is part of mpeg2dec, a free MPEG-2 video stream decoder. + * See http://libmpeg2.sourceforge.net/ for updates. + * + * mpeg2dec 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. + * + * mpeg2dec 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef MPEG2_H +#define MPEG2_H + +#define MPEG2_VERSION(a,b,c) (((a)<<16)|((b)<<8)|(c)) +#define MPEG2_RELEASE MPEG2_VERSION (0, 3, 2) /* 0.3.2 */ + +#define SEQ_FLAG_MPEG2 1 +#define SEQ_FLAG_CONSTRAINED_PARAMETERS 2 +#define SEQ_FLAG_PROGRESSIVE_SEQUENCE 4 +#define SEQ_FLAG_LOW_DELAY 8 +#define SEQ_FLAG_COLOUR_DESCRIPTION 16 + +#define SEQ_MASK_VIDEO_FORMAT 0xe0 +#define SEQ_VIDEO_FORMAT_COMPONENT 0 +#define SEQ_VIDEO_FORMAT_PAL 0x20 +#define SEQ_VIDEO_FORMAT_NTSC 0x40 +#define SEQ_VIDEO_FORMAT_SECAM 0x60 +#define SEQ_VIDEO_FORMAT_MAC 0x80 +#define SEQ_VIDEO_FORMAT_UNSPECIFIED 0xa0 + +typedef struct { + unsigned int width, height; + unsigned int chroma_width, chroma_height; + unsigned int byte_rate; + unsigned int vbv_buffer_size; + uint32_t flags; + + unsigned int picture_width, picture_height; + unsigned int display_width, display_height; + unsigned int pixel_width, pixel_height; + unsigned int frame_period; + + uint8_t profile_level_id; + uint8_t colour_primaries; + uint8_t transfer_characteristics; + uint8_t matrix_coefficients; +} mpeg2_sequence_t; + +#define GOP_FLAG_DROP_FRAME 1 +#define GOP_FLAG_BROKEN_LINK 2 +#define GOP_FLAG_CLOSED_GOP 4 + +typedef struct { + uint8_t hours; + uint8_t minutes; + uint8_t seconds; + uint8_t pictures; + uint32_t flags; +} mpeg2_gop_t; + +#define PIC_MASK_CODING_TYPE 7 +#define PIC_FLAG_CODING_TYPE_I 1 +#define PIC_FLAG_CODING_TYPE_P 2 +#define PIC_FLAG_CODING_TYPE_B 3 +#define PIC_FLAG_CODING_TYPE_D 4 + +#define PIC_FLAG_TOP_FIELD_FIRST 8 +#define PIC_FLAG_PROGRESSIVE_FRAME 16 +#define PIC_FLAG_COMPOSITE_DISPLAY 32 +#define PIC_FLAG_SKIP 64 +#define PIC_FLAG_PTS 128 +#define PIC_MASK_COMPOSITE_DISPLAY 0xfffff000 + +typedef struct { + unsigned int temporal_reference; + unsigned int nb_fields; + uint32_t pts; + uint32_t flags; + struct { + int x, y; + } display_offset[3]; +} mpeg2_picture_t; + +typedef struct { + uint8_t * buf[3]; + void * id; +} mpeg2_fbuf_t; + +typedef struct { + const mpeg2_sequence_t * sequence; + const mpeg2_gop_t * gop; + const mpeg2_picture_t * current_picture; + const mpeg2_picture_t * current_picture_2nd; + const mpeg2_fbuf_t * current_fbuf; + const mpeg2_picture_t * display_picture; + const mpeg2_picture_t * display_picture_2nd; + const mpeg2_fbuf_t * display_fbuf; + const mpeg2_fbuf_t * discard_fbuf; + const uint8_t * user_data; + int user_data_len; +} mpeg2_info_t; + +typedef struct mpeg2dec_s mpeg2dec_t; +typedef struct mpeg2_decoder_s mpeg2_decoder_t; + +typedef enum { + STATE_BUFFER = 0, + STATE_SEQUENCE = 1, + STATE_SEQUENCE_REPEATED = 2, + STATE_GOP = 3, + STATE_PICTURE = 4, + STATE_SLICE_1ST = 5, + STATE_PICTURE_2ND = 6, + STATE_SLICE = 7, + STATE_END = 8, + STATE_INVALID = 9 +} mpeg2_state_t; + +struct convert_init_s; +void mpeg2_convert (mpeg2dec_t * mpeg2dec, + void (* convert) (int, int, uint32_t, void *, + struct convert_init_s *), void * arg); +void mpeg2_set_buf (mpeg2dec_t * mpeg2dec, uint8_t * buf[3], void * id); +void mpeg2_custom_fbuf (mpeg2dec_t * mpeg2dec, int custom_fbuf); + +#define MPEG2_ACCEL_X86_MMX 1 +#define MPEG2_ACCEL_X86_3DNOW 2 +#define MPEG2_ACCEL_X86_MMXEXT 4 +#define MPEG2_ACCEL_PPC_ALTIVEC 1 +#define MPEG2_ACCEL_ALPHA 1 +#define MPEG2_ACCEL_ALPHA_MVI 2 +#define MPEG2_ACCEL_MLIB 0x40000000 +#define MPEG2_ACCEL_DETECT 0x80000000 + +uint32_t mpeg2_accel (uint32_t accel); +mpeg2dec_t * mpeg2_init (void); +const mpeg2_info_t * mpeg2_info (mpeg2dec_t * mpeg2dec); +void mpeg2_close (mpeg2dec_t * mpeg2dec); + +void mpeg2_buffer (mpeg2dec_t * mpeg2dec, uint8_t * start, uint8_t * end); +int mpeg2_getpos (mpeg2dec_t * mpeg2dec); +mpeg2_state_t mpeg2_parse (mpeg2dec_t * mpeg2dec); + +void mpeg2_skip (mpeg2dec_t * mpeg2dec, int skip); +void mpeg2_slice_region (mpeg2dec_t * mpeg2dec, int start, int end); + +void mpeg2_pts (mpeg2dec_t * mpeg2dec, uint32_t pts); + +void mpeg2_init_fbuf (mpeg2_decoder_t * decoder, uint8_t * current_fbuf[3], + uint8_t * forward_fbuf[3], uint8_t * backward_fbuf[3]); +void mpeg2_slice (mpeg2_decoder_t * decoder, int code, const uint8_t * buffer); + +#endif /* MPEG2_H */ |