Diffstat (limited to 'core/multimedia/opieplayer/libmpeg3/video/mpeg3video.h') (more/less context) (ignore whitespace changes)
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1 files changed, 180 insertions, 0 deletions
diff --git a/core/multimedia/opieplayer/libmpeg3/video/mpeg3video.h b/core/multimedia/opieplayer/libmpeg3/video/mpeg3video.h new file mode 100644 index 0000000..2db62b0 --- a/dev/null +++ b/core/multimedia/opieplayer/libmpeg3/video/mpeg3video.h @@ -0,0 +1,180 @@ +/********************************************************************** +** Copyright (C) 2000 Trolltech AS. All rights reserved. +** +** This file is part of Qtopia Environment. +** +** This file may be distributed and/or modified under the terms of the +** GNU General Public License version 2 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +** See http://www.trolltech.com/gpl/ for GPL licensing information. +** +** Contact info@trolltech.com if any conditions of this licensing are +** not clear to you. +** +**********************************************************************/ +#ifndef MPEGVIDEO_H +#define MPEGVIDEO_H + +#include "../bitstream.h" +#include "../mpeg3private.inc" +#include "idct.h" +#include "slice.h" +#include "../timecode.h" + +/* zig-zag scan */ +extern unsigned char mpeg3_zig_zag_scan_nommx[64]; +extern unsigned char mpeg3_zig_zag_scan_mmx[64]; + +/* alternate scan */ +extern unsigned char mpeg3_alternate_scan_nommx[64]; +extern unsigned char mpeg3_alternate_scan_mmx[64]; + +/* default intra quantization matrix */ +extern unsigned char mpeg3_default_intra_quantizer_matrix[64]; + +/* Frame rate table must agree with the one in the encoder */ +extern double mpeg3_frame_rate_table[16]; + +/* non-linear quantization coefficient table */ +extern unsigned char mpeg3_non_linear_mquant_table[32]; + +#define CHROMA420 1 /* chroma_format */ +#define CHROMA422 2 +#define CHROMA444 3 + +#define TOP_FIELD 1 /* picture structure */ +#define BOTTOM_FIELD 2 +#define FRAME_PICTURE 3 + +#define SEQ_ID 1 /* extension start code IDs */ +#define DISP_ID 2 +#define QUANT_ID 3 +#define SEQSCAL_ID 5 +#define PANSCAN_ID 7 +#define CODING_ID 8 +#define SPATSCAL_ID 9 +#define TEMPSCAL_ID 10 + +#define ERROR (-1) + +#define SC_NONE 0 /* scalable_mode */ +#define SC_DP 1 +#define SC_SPAT 2 +#define SC_SNR 3 +#define SC_TEMP 4 + +#define I_TYPE 1 /* picture coding type */ +#define P_TYPE 2 +#define B_TYPE 3 +#define D_TYPE 4 + +#define MB_INTRA 1 /* macroblock type */ +#define MB_PATTERN 2 +#define MB_BACKWARD 4 +#define MB_FORWARD 8 +#define MB_QUANT 16 +#define MB_WEIGHT 32 +#define MB_CLASS4 64 + +#define MC_FIELD 1 /* motion_type */ +#define MC_FRAME 2 +#define MC_16X8 2 +#define MC_DMV 3 + +#define MV_FIELD 0 /* mv_format */ +#define MV_FRAME 1 + +#define CLIP(x) ((x) >= 0 ? ((x) < 255 ? (x) : 255) : 0) + +/* Statically allocate as little as possible so a fake video struct */ +/* can be used for reading the GOP headers. */ + +struct mpeg3video_rec +{ + struct mpeg3_rec* file; + struct mpeg3_vtrack_rec* track; + +/* ================================= Seeking variables ========================= */ + mpeg3_bits_t *vstream; + int decoder_initted; + unsigned char **output_rows; /* Output frame buffer supplied by user */ + int in_x, in_y, in_w, in_h, out_w, out_h; /* Output dimensions */ + int *x_table, *y_table; /* Location of every output pixel in the input */ + int color_model; + int want_yvu; /* Want to return a YUV frame */ + char *y_output, *u_output, *v_output; /* Output pointers for a YUV frame */ + + mpeg3_slice_t slice_decoders[MPEG3_MAX_CPUS]; /* One slice decoder for every CPU */ + int total_slice_decoders; /* Total slice decoders in use */ + mpeg3_slice_buffer_t slice_buffers[MPEG3_MAX_CPUS]; /* Buffers for holding the slice data */ + int total_slice_buffers; /* Total buffers in the array to be decompressed */ + int slice_buffers_initialized; /* Total buffers initialized in the array */ + pthread_mutex_t slice_lock; /* Lock slice array while getting the next buffer */ + pthread_mutex_t test_lock; + + int blockreadsize; + long maxframe; /* Max value of frame num to read */ + double percentage_seek; /* Perform a percentage seek before the next frame is read */ + int frame_seek; /* Perform a frame seek before the next frame is read */ + long framenum; /* Number of the next frame to be decoded */ + long last_number; /* Last framenum rendered */ + int found_seqhdr; + long bitrate; + mpeg3_timecode_t gop_timecode; /* Timecode for the last GOP header read. */ + +/* These are only available from elementary streams. */ + long frames_per_gop; /* Frames per GOP after the first GOP. */ + long first_gop_frames; /* Frames in the first GOP. */ + long first_frame; /* Number of first frame stored in timecode */ + long last_frame; /* Last frame in file */ + +/* ================================= Compression variables ===================== */ +/* Malloced frame buffers. 2 refframes are swapped in and out. */ +/* while only 1 auxframe is used. */ + unsigned char *yuv_buffer[5]; /* Make YVU buffers contiguous for all frames */ + unsigned char *oldrefframe[3], *refframe[3], *auxframe[3]; + unsigned char *llframe0[3], *llframe1[3]; + unsigned char *mpeg3_zigzag_scan_table; + unsigned char *mpeg3_alternate_scan_table; +// Source for the next frame presentation + unsigned char **output_src; +/* Pointers to frame buffers. */ + unsigned char *newframe[3]; + int horizontal_size, vertical_size, mb_width, mb_height; + int coded_picture_width, coded_picture_height; + int chroma_format, chrom_width, chrom_height, blk_cnt; + int pict_type; + int forw_r_size, back_r_size, full_forw, full_back; + int prog_seq, prog_frame; + int h_forw_r_size, v_forw_r_size, h_back_r_size, v_back_r_size; + int dc_prec, pict_struct, topfirst, frame_pred_dct, conceal_mv; + int intravlc; + int repeatfirst; + int repeat_count; /* Number of times to repeat the current frame * 100 since floating point is impossible in MMX */ + int current_repeat; /* Number of times the current frame has been repeated * 100 */ + int secondfield; + int skip_bframes; + int stwc_table_index, llw, llh, hm, hn, vm, vn; + int lltempref, llx0, lly0, llprog_frame, llfieldsel; + int matrix_coefficients; + int framerate_code; + float frame_rate; + long *cr_to_r, *cr_to_g, *cb_to_g, *cb_to_b; + long *cr_to_r_ptr, *cr_to_g_ptr, *cb_to_g_ptr, *cb_to_b_ptr; + int have_mmx; + int intra_quantizer_matrix[64], non_intra_quantizer_matrix[64]; + int chroma_intra_quantizer_matrix[64], chroma_non_intra_quantizer_matrix[64]; + int mpeg2; + int qscale_type, altscan; /* picture coding extension */ + int pict_scal; /* picture spatial scalable extension */ + int scalable_mode; /* sequence scalable extension */ +}; + +typedef struct mpeg3video_rec mpeg3video_t; + +#endif |