?? sampmp4.h
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int obmc_disabled; /* Overlapped Block Motion Compensation disabled or
// not */
int scalable; /* Scalable or not */
int sprite_type; /* Sprite Type */
int sadct_disabled; /* shape adaptive DCT disable or not */
int resync_disabled; /* Error resillience Resync mode disable or not */
int data_patitioned; /* Error resillience Data Partition mode enable or
// not */
int new_pred; /* NEWPRED mode enable or not */
int reduced_resolution; /* Reduced resolution VOP tool enable or not */
int complex_est_disable; /* Complexity estimation header disable or
// not */
int clock_rate; /* VOP time increment resolution */
int numbits_time_incr; /* VOP time increment */
int quater_sample; /* Quarter sample mode selected or not */
int quant_type; /* Quantisation mode */
int *qmatrix_intra; /* Pointer to Luminance/Chrominance Intra
// Quantisation Matrix */
int *qmatrix_inter; /* Pointer to Luminance/Chrominance Inter
// Quantisation Matrix */
Ipp8u qmatrix_intra_tbl[64];/* Matrix contain Luminance/Chrominance Intra
// Quantisation from stream */
Ipp8u qmatrix_inter_tbl[64];/* Matrix contain Luminance/Chrominance Inter
// Quantisation from stream */
int vop_coded; /* VOP coded or not */
int vol_display_width; /* Display width */
int vol_display_height; /* Display height */
int mb_per_row; /* Num of MacroBlock per Row in current VOP */
int mb_per_col; /* Num of MacroBlock per Col in current VOP */
sample_step_set frame_step_set;
sample_dimension frame_dimension;
sample_spacial_ptrset cur_frame; /* Pointer set of current frame */
sample_spacial_ptrset fwd_ref_frame; /* Pointer set of forward reference
// frame */
sample_spacial_ptrset rec_frame; /* Pointer set of reconstructed
// current frame */
sample_spacial_ptrset fwd_ref_rec_frame;/* Pointer set of reconstructed
/ forward reference frame */
sample_spectral_ptrset coef_buf_row; /* Row Buffer for Coefficients */
sample_spectral_ptrset coef_buf_col; /* Column Buffer for Coefficient */
IppMotionVector *mv_plane; /* Buffer for motion vector plane */
Ipp8u *mb_type_plane; /* Pointer to MacroBlock Type plane */
int hour; /* Time code Hour in Group of VOP header */
int minute; /* Time code Minute in Group of VOP header */
int second; /* Time code Second in Group of VOP header */
int closed_gov; /* Nature of prediction in B-VOP when GOV
// supported */
int broken_link; /* Broken Link */
IppMotionVector *mv_buf;/* Pointer to forward motion vector buffer */
Ipp8u *tranp_buf; /* Pointer to transparent buffer */
Ipp8u *qp_buf; /* Pointer to Luminance/Chrominance quantisation
// parameter buffer */
sample_picture *info_pic;/* Pointer to picture display information */
Ipp8u *sub_cur_buf; /* Pointer to subsampled current buffer */
Ipp8u *sub_mc_buf; /* Pointer to subsampled motion compensation
// buffer */
Ipp8u *pad_flag; /* Pointer to padding flag */
int init_quant; /* Initial quantisation parameter */
int init_rounding; /* Initial Rounding */
int intra_dc_thr; /* Intra DC VLC threshold */
int rounding; /* rounding 0 or 1 */
Ipp8u vop_quant; /* VOP Luminance/Chrominance quantisation
// parameter */
int search_range; /* Search Range in Motion Estimation */
Ipp16u *ysum_plane; /* Pointer to summation plane */
int frame_rate; /* Frame Rate */
int ivop_interval; /* Number of P-Frame between 2 nearest I-VOP */
int use_src_me; /* Raw data used in Motion Estimation directly */
int modulo_base_decd; /* module time base for decoding */
int modulo_base_disp; /* module time base for displaying */
int color_format; /* Input color format */
Ipp8u *blk_ref_buf; /* Pointer to the buffer which contains referrence
// block */
Ipp16s *blk_coef_buf; /* Pointer to the buffer which contains current
// encoded block's spatial content */
Ipp16s *resid_buf; /* Pointer to the buffer wihich contains current
// encoded block's residue */
Ipp16s *rec_resid_buf; /* Pointer to the buffer wihich contains current
// encoded block's reconstructed residue */
} mp4_enc_state;
typedef struct _mp4_enc_params {
int vol_verid; /* VOL version identification */
int vol_width; /* VOL width */
int vol_height; /* VOL height */
int color_format; /* Color Format */
int frame_rate; /* Frame rate */
int quant_type; /* Quantisation method: MPEG-4 or H.263 */
int intra_dc_thr; /* Intra DC VLC threshold */
int vop_quant; /* Quantisation parameter */
int ivop_interval; /* Number of P-Frames between two nearest I-Frames */
int search_range; /* Search Range in motion estimation */
int use_src_me; /* raw data direct used in motion estimation */
int num_frames; /* number of frames */
} mp4_enc_params;
/* ============================ Table Declarations ========================= */
/* tables shared by decoder and encoder */
extern const int bits_mask_tbl[33];
extern unsigned char default_qmat_intra_tbl[64];
extern unsigned char default_qmat_inter_tbl[64];
extern const Ipp16u dc_switch_thresh_tbl[8];
/* decoder related tables */
extern const unsigned char classic_zigzag_tbl[64];
extern const Ipp8u cbpy4_intra_tbl[13];
extern const mp4_tree_node mcbpc_pvop_vlc_tbl[21];
extern const mp4_table_node dc_size_lum_tbl[8];
extern const mp4_table_node dc_size_chr_tbl[4];
/* encoder related tables */
extern const int bits_stuf_tbl[8];
extern const mp4_table_node vlc_mcbpc_ivop_tbl[10];
extern const mp4_table_node vlc_mcbpc_pvop_tbl[22];
extern const mp4_table_node vlc_cbpy_tbl[19];
/* ======================== API Functions Declarations ===================== */
/* API shared by decoder and encoder */
/* mp4dutil.c, mp4eutil.c */
extern sample_status lookup_uvmv_mpeg4
(IppMotionVector *mv_lum, IppMotionVector *mv_chr, int mb_type);
/* decoder related API */
/* mp4dbuff.c */
extern sample_status init_input_video_buffer
(sample_bitstream *stream_buf);
extern sample_status load_video_buffer
(sample_bitstream *stream_buf, FILE *fpin);
extern sample_status release_input_video_buffer
(sample_bitstream *stream_buf);
extern Ipp32u get_bits_mpeg4
(sample_bitstream *stream_buf, int n_bits);
extern void rewind_buffer_mpeg4
(sample_bitstream *stream_buf, int n_bits);
/* mp4dutil.c */
extern sample_status search_next_sc_mpeg4
(const sample_bitstream *stream_buf, Ipp8u **result_pos);
extern void insert_sc_mpeg4
(sample_bitstream *stream_buf);
extern sample_status copy_mb_from_ref_plane
(const Ipp8u *src_y, int src_y_step, const Ipp8u *src_cb, int src_cb_step,
const Ipp8u *src_cr, int src_cr_step, Ipp8u *dst_y, int dst_y_step,
Ipp8u *dst_cb, int dst_cb_step, Ipp8u *dst_cr, int dst_cr_step);
extern sample_status expand_frame_dec_mpeg4
(mp4_dec_state *dec_state);
extern sample_status set_ref_frame_dec_mpeg4
(mp4_dec_state *dec_state);
/* mp4dpars.c */
extern sample_status parse_mb_mpeg4
(sample_bitstream *stream_buf, mp4_dec_vop_infor *vop_infor, int vop_type);
extern sample_status parse_voandvol_header_mpeg4
(sample_bitstream *stream_buf, mp4_dec_state *dec_state);
extern sample_status parse_vop_header_mpeg4
(sample_bitstream *stream_buf, mp4_dec_state *dec_state,
mp4_dec_vop_infor *vop_infor);
extern sample_status parse_gov_mpeg4
(sample_bitstream *stream_buf, mp4_dec_state *dec_state);
/* mp4dinit.c */
extern sample_status init_vop_infor_dec_mpeg4
(mp4_dec_state *dec_state, mp4_dec_vop_infor *vop_infor);
extern sample_status decoder_init_alloc_mpeg4
(sample_bitstream *stream_buf, mp4_dec_state *dec_state);
extern sample_status decoder_free_mpeg4
(mp4_dec_state *dec_state);
/* mp4dvops.c */
extern sample_status decode_mpeg4
(sample_bitstream *stream_buf, sample_picture *picture,
mp4_dec_state *dec_state);
/* mp4dmblk.c */
extern sample_status decode_mb_pvop_mpeg4
(sample_bitstream *stream_buf, const mp4_dec_state *dec_state,
mp4_dec_vop_infor *vop_infor, int mbx_indx, int mby_indx);
extern sample_status decode_mb_ivop_mpeg4
(sample_bitstream *stream_buf, const mp4_dec_state *dec_state,
mp4_dec_vop_infor *vop_infor);
/* mp4dblck.c */
extern sample_status decode_block_inter_mpeg4
(sample_bitstream *stream_buf, Ipp16s *dst_rsd, int quant_para,
const Ipp8u *quant_matrix);
extern sample_status decode_block_intradcac_mpeg4
(sample_bitstream *stream_buf, Ipp8u *dst_val, int step, Ipp16s *coef_bufrow,
Ipp16s *coef_bufcol, Ipp8u quant_para, Ipp8u *quant_buf,
const Ipp8u *quant_matrix, int blk_indx, int intra_dcvlc_flag,
int ac_pred_flag);
extern sample_status decode_block_intradc_mpeg4
(sample_bitstream *stream_buf, Ipp8u *dst_val, int step, Ipp16s *coef_bufrow,
Ipp16s *coef_bufcol, Ipp8u quant_para, Ipp8u *quant_buf,
const Ipp8u *quant_matrix, int blk_indx, int intra_dcvlc_flag,
int ac_pred_flag);
/* encoder related API */
/* mp4ebuff.c */
extern sample_status init_output_video_buffer
(sample_bitstream *stream_buf, int size);
extern sample_status dump_video_buffer
(sample_bitstream *stream_buf, FILE *fpout);
extern sample_status release_output_video_buffer
(sample_bitstream *stream_buf);
extern void put_bits_mpeg4
(sample_bitstream *stream_buf, Ipp32u data, int n_bits);
extern void load_extend_picture
(FILE *fpin, sample_picture *pic);
/* mp4eutil.c */
extern void set_ref_frame_enc_mpeg4
(mp4_enc_state *enc_state);
extern void expand_frame_enc_mpeg4
(mp4_enc_state *enc_state);
/* mp4synt.c */
extern sample_status create_voandvol_header_mpeg4
(sample_bitstream *stream_buf, mp4_enc_state *enc_state);
extern sample_status create_vop_header_mpeg4
(sample_bitstream *stream_buf, mp4_enc_state *enc_state,
mp4_enc_vop_infor *vop_infor);
extern sample_status create_mb_mpeg4
(sample_bitstream *stream_buf, mp4_enc_state *enc_state,
mp4_enc_vop_infor *vop_infor);
/* mp4einit.c */
extern sample_status encoder_init_alloc_mpeg4
(mp4_enc_params *enc_config, mp4_enc_state *enc_state);
extern sample_status encoder_free_mpeg4
(mp4_enc_state *enc_state);
extern sample_status init_vop_infor_enc_mpeg4
(mp4_enc_state *enc_state, mp4_enc_vop_infor *vop_infor);
/* mp4evops.c */
extern sample_status encode_mpeg4
(sample_bitstream *stream_buf, mp4_enc_state *enc_state);
/* mp4emblk.c */
extern sample_status encode_intra_mb_mpeg4
(sample_bitstream *stream_buf, mp4_enc_state *enc_state,
mp4_enc_vop_infor *vop_infor);
extern sample_status encode_inter_mb_mpeg4
(sample_bitstream *stream_buf, mp4_enc_state *enc_state,
mp4_enc_vop_infor *vop_infor, IppMotionVector *pMVCurMB, Ipp8u *pTranspCurMB);
/* mp4eblck.c */
extern sample_status encode_block_intra_mpeg4
(Ipp8u *src_block, Ipp8u *rec_block, Ipp16s *dst_coeff, int blk_indx,
Ipp8u cur_qp, int step, const int *q_matrix);
extern sample_status acdc_prediction_intra_mb_mpeg4
(Ipp16s *src_dst_coeff, Ipp16s *coef_bufrow_y, Ipp16s *coef_bufcol_y,
Ipp16s *coef_bufrow_cb, Ipp16s *coef_bufcol_cb, Ipp16s *coef_bufrow_cr,
Ipp16s *coef_bufcol_cr, Ipp8u cur_qp, Ipp8u *qp_buf, int *ac_pred_flag,
Ipp8u *pred_dir_buf);
extern sample_status encode_block_inter_mpeg4
(Ipp16s *src_block, Ipp16s *rec_block, Ipp16s *dst_coeff, Ipp8u cur_qp,
const int *q_matrix);
#ifdef __cplusplus
}
#endif
#endif
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