X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftags%2Fsynfig_0_61_03%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavcodec%2Fmpegvideo.h;fp=synfig-core%2Ftags%2Fsynfig_0_61_03%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavcodec%2Fmpegvideo.h;h=0000000000000000000000000000000000000000;hb=6fa8f2f38d4b0b35f8539bf94e27ae27015c7689;hp=58af196ea2fe62701c0992de3afc55ade5710600;hpb=47fce282611fbba1044921d22ca887f9b53ad91a;p=synfig.git diff --git a/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_libavcodec/libavcodec/mpegvideo.h b/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_libavcodec/libavcodec/mpegvideo.h deleted file mode 100644 index 58af196..0000000 --- a/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_libavcodec/libavcodec/mpegvideo.h +++ /dev/null @@ -1,903 +0,0 @@ -/* - * Generic DCT based hybrid video encoder - * Copyright (c) 2000, 2001, 2002 Fabrice Bellard. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/** - * @file mpegvideo.h - * mpegvideo header. - */ - -#ifndef AVCODEC_MPEGVIDEO_H -#define AVCODEC_MPEGVIDEO_H - -#include "dsputil.h" - -#define FRAME_SKIPED 100 ///< return value for header parsers if frame is not coded - -enum OutputFormat { - FMT_MPEG1, - FMT_H263, - FMT_MJPEG, - FMT_H264, -}; - -#define EDGE_WIDTH 16 - -#define MPEG_BUF_SIZE (16 * 1024) - -#define QMAT_SHIFT_MMX 16 -#define QMAT_SHIFT 22 - -#define MAX_FCODE 7 -#define MAX_MV 2048 - -#define MAX_PICTURE_COUNT 15 - -#define ME_MAP_SIZE 64 -#define ME_MAP_SHIFT 3 -#define ME_MAP_MV_BITS 11 - -/* run length table */ -#define MAX_RUN 64 -#define MAX_LEVEL 64 - -#define I_TYPE FF_I_TYPE ///< Intra -#define P_TYPE FF_P_TYPE ///< Predicted -#define B_TYPE FF_B_TYPE ///< Bi-dir predicted -#define S_TYPE FF_S_TYPE ///< S(GMC)-VOP MPEG4 -#define SI_TYPE FF_SI_TYPE ///< Switching Intra -#define SP_TYPE FF_SP_TYPE ///< Switching Predicted - -typedef struct Predictor{ - double coeff; - double count; - double decay; -} Predictor; - -typedef struct RateControlEntry{ - int pict_type; - float qscale; - int mv_bits; - int i_tex_bits; - int p_tex_bits; - int misc_bits; - uint64_t expected_bits; - int new_pict_type; - float new_qscale; - int mc_mb_var_sum; - int mb_var_sum; - int i_count; - int f_code; - int b_code; -}RateControlEntry; - -/** - * rate control context. - */ -typedef struct RateControlContext{ - FILE *stats_file; - int num_entries; ///< number of RateControlEntries - RateControlEntry *entry; - int buffer_index; ///< amount of bits in the video/audio buffer - Predictor pred[5]; - double short_term_qsum; ///< sum of recent qscales - double short_term_qcount; ///< count of recent qscales - double pass1_rc_eq_output_sum;///< sum of the output of the rc equation, this is used for normalization - double pass1_wanted_bits; ///< bits which should have been outputed by the pass1 code (including complexity init) - double last_qscale; - double last_qscale_for[5]; ///< last qscale for a specific pict type, used for max_diff & ipb factor stuff - int last_mc_mb_var_sum; - int last_mb_var_sum; - uint64_t i_cplx_sum[5]; - uint64_t p_cplx_sum[5]; - uint64_t mv_bits_sum[5]; - uint64_t qscale_sum[5]; - int frame_count[5]; - int last_non_b_pict_type; -}RateControlContext; - -/** - * Scantable. - */ -typedef struct ScanTable{ - const uint8_t *scantable; - uint8_t permutated[64]; - uint8_t raster_end[64]; -#ifdef ARCH_POWERPC - /** Used by dct_quantise_alitvec to find last-non-zero */ - uint8_t __align8 inverse[64]; -#endif -} ScanTable; - -/** - * Picture. - */ -typedef struct Picture{ - FF_COMMON_FRAME - - /** - * halfpel luma planes. - */ - uint8_t *interpolated[3]; - - int16_t (*motion_val[2])[2]; - int8_t *ref_index[2]; - uint32_t *mb_type_base; - uint32_t *mb_type; ///< mb_type_base + mb_width + 2, note: only used for decoding currently -#define MB_TYPE_INTRA4x4 0x0001 -#define MB_TYPE_INTRA16x16 0x0002 //FIXME h264 specific -#define MB_TYPE_INTRA_PCM 0x0004 //FIXME h264 specific -#define MB_TYPE_16x16 0x0008 -#define MB_TYPE_16x8 0x0010 -#define MB_TYPE_8x16 0x0020 -#define MB_TYPE_8x8 0x0040 -#define MB_TYPE_INTERLACED 0x0080 -#define MB_TYPE_DIRECT2 0x0100 //FIXME -#define MB_TYPE_ACPRED 0x0200 -#define MB_TYPE_GMC 0x0400 //FIXME mpeg4 specific -#define MB_TYPE_SKIP 0x0800 -#define MB_TYPE_P0L0 0x1000 -#define MB_TYPE_P1L0 0x2000 -#define MB_TYPE_P0L1 0x4000 -#define MB_TYPE_P1L1 0x8000 -#define MB_TYPE_L0 (MB_TYPE_P0L0 | MB_TYPE_P1L0) -#define MB_TYPE_L1 (MB_TYPE_P0L1 | MB_TYPE_P1L1) -#define MB_TYPE_L0L1 (MB_TYPE_L0 | MB_TYPE_L1) -#define MB_TYPE_QUANT 0x00010000 -//Note bits 24-31 are reserved for codec specific use (h264 ref0, mpeg1 pat, ...) - -#define IS_INTRA4x4(a) ((a)&MB_TYPE_INTRA4x4) -#define IS_INTRA16x16(a) ((a)&MB_TYPE_INTRA16x16) -#define IS_PCM(a) ((a)&MB_TYPE_INTRA_PCM) -#define IS_INTRA(a) ((a)&7) -#define IS_INTER(a) ((a)&(MB_TYPE_16x16|MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8)) -#define IS_SKIP(a) ((a)&MB_TYPE_SKIP) -#define IS_INTRA_PCM(a) ((a)&MB_TYPE_INTRA_PCM) -#define IS_INTERLACED(a) ((a)&MB_TYPE_INTERLACED) -#define IS_DIRECT(a) ((a)&MB_TYPE_DIRECT2) -#define IS_GMC(a) ((a)&MB_TYPE_GMC) -#define IS_16X16(a) ((a)&MB_TYPE_16x16) -#define IS_16X8(a) ((a)&MB_TYPE_16x8) -#define IS_8X16(a) ((a)&MB_TYPE_8x16) -#define IS_8X8(a) ((a)&MB_TYPE_8x8) -#define IS_SUB_8X8(a) ((a)&MB_TYPE_16x16) //note reused -#define IS_SUB_8X4(a) ((a)&MB_TYPE_16x8) //note reused -#define IS_SUB_4X8(a) ((a)&MB_TYPE_8x16) //note reused -#define IS_SUB_4X4(a) ((a)&MB_TYPE_8x8) //note reused -#define IS_ACPRED(a) ((a)&MB_TYPE_ACPRED) -#define IS_QUANT(a) ((a)&MB_TYPE_QUANT) -#define IS_DIR(a, part, list) ((a) & (MB_TYPE_P0L0<<((part)+2*(list)))) -#define USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0|MB_TYPE_P1L0)<<(2*(list)))) ///< does this mb use listX, note doesnt work if subMBs - - - int field_poc[2]; ///< h264 top/bottom POC - int poc; ///< h264 frame POC - int frame_num; ///< h264 frame_num - int pic_id; ///< h264 pic_num or long_term_pic_idx - int long_ref; ///< 1->long term reference 0->short term reference - - int mb_var_sum; ///< sum of MB variance for current frame - int mc_mb_var_sum; ///< motion compensated MB variance for current frame - uint16_t *mb_var; ///< Table for MB variances - uint16_t *mc_mb_var; ///< Table for motion compensated MB variances - uint8_t *mb_mean; ///< Table for MB luminance - int32_t *mb_cmp_score; ///< Table for MB cmp scores, for mb decission - int b_frame_score; /* */ -} Picture; - -typedef struct ParseContext{ - uint8_t *buffer; - int index; - int last_index; - int buffer_size; - uint32_t state; ///< contains the last few bytes in MSB order - int frame_start_found; - int overread; ///< the number of bytes which where irreversibly read from the next frame - int overread_index; ///< the index into ParseContext.buffer of the overreaded bytes -} ParseContext; - -struct MpegEncContext; - -/** - * Motion estimation context. - */ -typedef struct MotionEstContext{ - int skip; ///< set if ME is skiped for the current MB - int co_located_mv[4][2]; ///< mv from last p frame for direct mode ME - int direct_basis_mv[4][2]; - uint8_t *scratchpad; ///< data area for the me algo, so that the ME doesnt need to malloc/free - uint32_t *map; ///< map to avoid duplicate evaluations - uint32_t *score_map; ///< map to store the scores - int map_generation; - int pre_penalty_factor; - int penalty_factor; - int sub_penalty_factor; - int mb_penalty_factor; - int pre_pass; ///< = 1 for the pre pass - int dia_size; - uint8_t (*mv_penalty)[MAX_MV*2+1]; ///< amount of bits needed to encode a MV - int (*sub_motion_search)(struct MpegEncContext * s, - int *mx_ptr, int *my_ptr, int dmin, - int xmin, int ymin, int xmax, int ymax, - int pred_x, int pred_y, Picture *ref_picture, - int n, int size, uint8_t * const mv_penalty); - int (*motion_search[7])(struct MpegEncContext * s, int block, - int *mx_ptr, int *my_ptr, - int P[10][2], int pred_x, int pred_y, - int xmin, int ymin, int xmax, int ymax, Picture *ref_picture, int16_t (*last_mv)[2], - int ref_mv_scale, uint8_t * const mv_penalty); - int (*pre_motion_search)(struct MpegEncContext * s, int block, - int *mx_ptr, int *my_ptr, - int P[10][2], int pred_x, int pred_y, - int xmin, int ymin, int xmax, int ymax, Picture *ref_picture, int16_t (*last_mv)[2], - int ref_mv_scale, uint8_t * const mv_penalty); - int (*get_mb_score)(struct MpegEncContext * s, int mx, int my, int pred_x, int pred_y, Picture *ref_picture, - uint8_t * const mv_penalty); -}MotionEstContext; - -/** - * MpegEncContext. - */ -typedef struct MpegEncContext { - struct AVCodecContext *avctx; - /* the following parameters must be initialized before encoding */ - int width, height;///< picture size. must be a multiple of 16 - int gop_size; - int intra_only; ///< if true, only intra pictures are generated - int bit_rate; ///< wanted bit rate - int bit_rate_tolerance; ///< amount of +- bits (>0) - enum OutputFormat out_format; ///< output format - int h263_pred; ///< use mpeg4/h263 ac/dc predictions - -/* the following codec id fields are deprecated in favor of codec_id */ - int h263_plus; ///< h263 plus headers - int h263_rv10; ///< use RV10 variation for H263 - int h263_msmpeg4; ///< generate MSMPEG4 compatible stream (deprecated, use msmpeg4_version instead) - int h263_intel; ///< use I263 intel h263 header - int h263_flv; ///< use flv h263 header - - int codec_id; /* see CODEC_ID_xxx */ - int fixed_qscale; ///< fixed qscale if non zero - float qcompress; ///< amount of qscale change between easy & hard scenes (0.0-1.0) - float qblur; ///< amount of qscale smoothing over time (0.0-1.0) - int max_qdiff; ///< max qscale difference between frames - int encoding; ///< true if we are encoding (vs decoding) - int flags; ///< AVCodecContext.flags (HQ, MV4, ...) - int max_b_frames; ///< max number of b-frames for encoding - int b_frame_strategy; - int luma_elim_threshold; - int chroma_elim_threshold; - int strict_std_compliance; ///< strictly follow the std (MPEG4, ...) - int workaround_bugs; ///< workaround bugs in encoders which cannot be detected automatically - /* the following fields are managed internally by the encoder */ - - /** bit output */ - PutBitContext pb; - - /* sequence parameters */ - int context_initialized; - int input_picture_number; - int picture_number; - int picture_in_gop_number; ///< 0-> first pic in gop, ... - int b_frames_since_non_b; ///< used for encoding, relative to not yet reordered input - int mb_width, mb_height; ///< number of MBs horizontally & vertically - int mb_stride; ///< mb_width+1 used for some arrays to allow simple addressng of left & top MBs withoutt sig11 - int h_edge_pos, v_edge_pos;///< horizontal / vertical position of the right/bottom edge (pixel replicateion) - int mb_num; ///< number of MBs of a picture - int linesize; ///< line size, in bytes, may be different from width - int uvlinesize; ///< line size, for chroma in bytes, may be different from width - Picture picture[MAX_PICTURE_COUNT]; ///< main picture buffer - Picture *input_picture[MAX_PICTURE_COUNT]; ///< next pictures on display order for encoding - Picture *reordered_input_picture[MAX_PICTURE_COUNT]; ///< pointer to the next pictures in codedorder for encoding - - /** - * copy of the previous picture structure. - * note, linesize & data, might not match the previous picture (for field pictures) - */ - Picture last_picture; - - /** - * copy of the next picture structure. - * note, linesize & data, might not match the next picture (for field pictures) - */ - Picture next_picture; - - /** - * copy of the source picture structure for encoding. - * note, linesize & data, might not match the source picture (for field pictures) - */ - Picture new_picture; - - /** - * copy of the current picture structure. - * note, linesize & data, might not match the current picture (for field pictures) - */ - Picture current_picture; ///< buffer to store the decompressed current picture - - Picture *last_picture_ptr; ///< pointer to the previous picture. - Picture *next_picture_ptr; ///< pointer to the next picture (for bidir pred) - Picture *new_picture_ptr; ///< pointer to the source picture for encoding - Picture *current_picture_ptr; ///< pointer to the current picture - int last_dc[3]; ///< last DC values for MPEG1 - int16_t *dc_val[3]; ///< used for mpeg4 DC prediction, all 3 arrays must be continuous - int16_t dc_cache[4*5]; - int y_dc_scale, c_dc_scale; - uint8_t *y_dc_scale_table; ///< qscale -> y_dc_scale table - uint8_t *c_dc_scale_table; ///< qscale -> c_dc_scale table - uint8_t *coded_block; ///< used for coded block pattern prediction (msmpeg4v3, wmv1) - int16_t (*ac_val[3])[16]; ///< used for for mpeg4 AC prediction, all 3 arrays must be continuous - int ac_pred; - uint8_t *prev_pict_types; ///< previous picture types in bitstream order, used for mb skip -#define PREV_PICT_TYPES_BUFFER_SIZE 256 - int mb_skiped; ///< MUST BE SET only during DECODING - uint8_t *mbskip_table; /**< used to avoid copy if macroblock skipped (for black regions for example) - and used for b-frame encoding & decoding (contains skip table of next P Frame) */ - uint8_t *mbintra_table; ///< used to avoid setting {ac, dc, cbp}-pred stuff to zero on inter MB decoding - uint8_t *cbp_table; ///< used to store cbp, ac_pred for partitioned decoding - uint8_t *pred_dir_table; ///< used to store pred_dir for partitioned decoding - uint8_t *allocated_edge_emu_buffer; - uint8_t *edge_emu_buffer; ///< points into the middle of allocated_edge_emu_buffer - - int qscale; ///< QP - float frame_qscale; ///< qscale from the frame level rc FIXME remove - int adaptive_quant; ///< use adaptive quantization - int dquant; ///< qscale difference to prev qscale - int pict_type; ///< I_TYPE, P_TYPE, B_TYPE, ... - int last_pict_type; - int last_non_b_pict_type; ///< used for mpeg4 gmc b-frames & ratecontrol - int frame_rate_index; - /* motion compensation */ - int unrestricted_mv; ///< mv can point outside of the coded picture - int h263_long_vectors; ///< use horrible h263v1 long vector mode - int decode; ///< if 0 then decoding will be skiped (for encoding b frames for example) - - DSPContext dsp; ///< pointers for accelerated dsp fucntions - int f_code; ///< forward MV resolution - int b_code; ///< backward MV resolution for B Frames (mpeg4) - int16_t (*motion_val)[2]; - int16_t (*p_mv_table_base)[2]; - int16_t (*b_forw_mv_table_base)[2]; - int16_t (*b_back_mv_table_base)[2]; - int16_t (*b_bidir_forw_mv_table_base)[2]; - int16_t (*b_bidir_back_mv_table_base)[2]; - int16_t (*b_direct_mv_table_base)[2]; - int16_t (*p_mv_table)[2]; ///< MV table (1MV per MB) p-frame encoding - int16_t (*b_forw_mv_table)[2]; ///< MV table (1MV per MB) forward mode b-frame encoding - int16_t (*b_back_mv_table)[2]; ///< MV table (1MV per MB) backward mode b-frame encoding - int16_t (*b_bidir_forw_mv_table)[2]; ///< MV table (1MV per MB) bidir mode b-frame encoding - int16_t (*b_bidir_back_mv_table)[2]; ///< MV table (1MV per MB) bidir mode b-frame encoding - int16_t (*b_direct_mv_table)[2]; ///< MV table (1MV per MB) direct mode b-frame encoding - int me_method; ///< ME algorithm - int scene_change_score; - int mv_dir; -#define MV_DIR_BACKWARD 1 -#define MV_DIR_FORWARD 2 -#define MV_DIRECT 4 ///< bidirectional mode where the difference equals the MV of the last P/S/I-Frame (mpeg4) - int mv_type; -#define MV_TYPE_16X16 0 ///< 1 vector for the whole mb -#define MV_TYPE_8X8 1 ///< 4 vectors (h263, mpeg4 4MV) -#define MV_TYPE_16X8 2 ///< 2 vectors, one per 16x8 block -#define MV_TYPE_FIELD 3 ///< 2 vectors, one per field -#define MV_TYPE_DMV 4 ///< 2 vectors, special mpeg2 Dual Prime Vectors - /**motion vectors for a macroblock - first coordinate : 0 = forward 1 = backward - second " : depend on type - third " : 0 = x, 1 = y - */ - int mv[2][4][2]; - int field_select[2][2]; - int last_mv[2][2][2]; ///< last MV, used for MV prediction in MPEG1 & B-frame MPEG4 - uint8_t *fcode_tab; ///< smallest fcode needed for each MV - - MotionEstContext me; - - int no_rounding; /**< apply no rounding to motion compensation (MPEG4, msmpeg4, ...) - for b-frames rounding mode is allways 0 */ - - int hurry_up; /**< when set to 1 during decoding, b frames will be skiped - when set to 2 idct/dequant will be skipped too */ - - /* macroblock layer */ - int mb_x, mb_y; - int mb_skip_run; - int mb_intra; - uint8_t *mb_type; ///< Table for MB type FIXME remove and use picture->mb_type -#define MB_TYPE_INTRA 0x01 -#define MB_TYPE_INTER 0x02 -#define MB_TYPE_INTER4V 0x04 -#define MB_TYPE_SKIPED 0x08 -//#define MB_TYPE_GMC 0x10 - -#define MB_TYPE_DIRECT 0x10 -#define MB_TYPE_FORWARD 0x20 -#define MB_TYPE_BACKWARD 0x40 -#define MB_TYPE_BIDIR 0x80 - - int block_index[6]; ///< index to current MB in block based arrays with edges - int block_wrap[6]; - uint8_t *dest[3]; - - int *mb_index2xy; ///< mb_index -> mb_x + mb_y*mb_stride - - /** matrix transmitted in the bitstream */ - uint16_t intra_matrix[64]; - uint16_t chroma_intra_matrix[64]; - uint16_t inter_matrix[64]; - uint16_t chroma_inter_matrix[64]; -#define QUANT_BIAS_SHIFT 8 - int intra_quant_bias; ///< bias for the quantizer - int inter_quant_bias; ///< bias for the quantizer - int min_qcoeff; ///< minimum encodable coefficient - int max_qcoeff; ///< maximum encodable coefficient - int ac_esc_length; ///< num of bits needed to encode the longest esc - uint8_t *intra_ac_vlc_length; - uint8_t *intra_ac_vlc_last_length; - uint8_t *inter_ac_vlc_length; - uint8_t *inter_ac_vlc_last_length; - uint8_t *luma_dc_vlc_length; - uint8_t *chroma_dc_vlc_length; -#define UNI_AC_ENC_INDEX(run,level) ((run)*128 + (level)) - - /** precomputed matrix (combine qscale and DCT renorm) */ - int __align8 q_intra_matrix[32][64]; - int __align8 q_inter_matrix[32][64]; - /** identical to the above but for MMX & these are not permutated */ - uint16_t __align8 q_intra_matrix16[32][64]; - uint16_t __align8 q_inter_matrix16[32][64]; - uint16_t __align8 q_intra_matrix16_bias[32][64]; - uint16_t __align8 q_inter_matrix16_bias[32][64]; - int block_last_index[6]; ///< last non zero coefficient in block - /* scantables */ - ScanTable __align8 intra_scantable; - ScanTable intra_h_scantable; - ScanTable intra_v_scantable; - ScanTable inter_scantable; ///< if inter == intra then intra should be used to reduce tha cache usage - - void *opaque; ///< private data for the user - - /* bit rate control */ - int I_frame_bits; //FIXME used in mpeg12 ... - int64_t wanted_bits; - int64_t total_bits; - int frame_bits; ///< bits used for the current frame - RateControlContext rc_context; ///< contains stuff only accessed in ratecontrol.c - - /* statistics, used for 2-pass encoding */ - int mv_bits; - int header_bits; - int i_tex_bits; - int p_tex_bits; - int i_count; - int f_count; - int b_count; - int skip_count; - int misc_bits; ///< cbp, mb_type - int last_bits; ///< temp var used for calculating the above vars - - /* error concealment / resync */ - int error_count; - uint8_t *error_status_table; ///< table of the error status of each MB -#define VP_START 1 ///< current MB is the first after a resync marker -#define AC_ERROR 2 -#define DC_ERROR 4 -#define MV_ERROR 8 -#define AC_END 16 -#define DC_END 32 -#define MV_END 64 -//FIXME some prefix? - - int resync_mb_x; ///< x position of last resync marker - int resync_mb_y; ///< y position of last resync marker - GetBitContext last_resync_gb; ///< used to search for the next resync marker - int mb_num_left; ///< number of MBs left in this video packet (for partitioned Slices only) - int next_p_frame_damaged; ///< set if the next p frame is damaged, to avoid showing trashed b frames - int error_resilience; - - ParseContext parse_context; - - /* H.263 specific */ - int gob_number; - int gob_index; - - /* H.263+ specific */ - int umvplus; ///< == H263+ && unrestricted_mv - int h263_aic; ///< Advanded INTRA Coding (AIC) - int h263_aic_dir; ///< AIC direction: 0 = left, 1 = top - - /* mpeg4 specific */ - int time_increment_resolution; - int time_increment_bits; ///< number of bits to represent the fractional part of time - int last_time_base; - int time_base; ///< time in seconds of last I,P,S Frame - int64_t time; ///< time of current frame - int64_t last_non_b_time; - uint16_t pp_time; ///< time distance between the last 2 p,s,i frames - uint16_t pb_time; ///< time distance between the last b and p,s,i frame - uint16_t pp_field_time; - uint16_t pb_field_time; ///< like above, just for interlaced - int shape; - int vol_sprite_usage; - int sprite_width; - int sprite_height; - int sprite_left; - int sprite_top; - int sprite_brightness_change; - int num_sprite_warping_points; - int real_sprite_warping_points; - int sprite_offset[2][2]; ///< sprite offset[isChroma][isMVY] - int sprite_delta[2][2]; ///< sprite_delta [isY][isMVY] - int sprite_shift[2]; ///< sprite shift [isChroma] - int mcsel; - int quant_precision; - int quarter_sample; ///< 1->qpel, 0->half pel ME/MC - int scalability; - int hierachy_type; - int enhancement_type; - int new_pred; - int reduced_res_vop; - int aspect_ratio_info; //FIXME remove - int aspected_width; //FIXME remove - int aspected_height; //FIXME remove - int sprite_warping_accuracy; - int low_latency_sprite; - int data_partitioning; ///< data partitioning flag from header - int partitioned_frame; ///< is current frame partitioned - int rvlc; ///< reversible vlc - int resync_marker; ///< could this stream contain resync markers - int low_delay; ///< no reordering needed / has no b-frames - int vo_type; - int vol_control_parameters; ///< does the stream contain the low_delay flag, used to workaround buggy encoders - PutBitContext tex_pb; ///< used for data partitioned VOPs - PutBitContext pb2; ///< used for data partitioned VOPs -#define PB_BUFFER_SIZE 1024*256 - uint8_t *tex_pb_buffer; - uint8_t *pb2_buffer; - int mpeg_quant; - int16_t (*field_mv_table)[2][2]; ///< used for interlaced b frame decoding - int8_t (*field_select_table)[2]; ///< wtf, no really another table for interlaced b frames - int t_frame; ///< time distance of first I -> B, used for interlaced b frames - int padding_bug_score; ///< used to detect the VERY common padding bug in MPEG4 - - /* divx specific, used to workaround (many) bugs in divx5 */ - int divx_version; - int divx_build; - int divx_packed; -#define BITSTREAM_BUFFER_SIZE 1024*256 - uint8_t *bitstream_buffer; //Divx 5.01 puts several frames in a single one, this is used to reorder them - int bitstream_buffer_size; - - int xvid_build; - - /* lavc specific stuff, used to workaround bugs in libavcodec */ - int ffmpeg_version; - int lavc_build; - - /* RV10 specific */ - int rv10_version; ///< RV10 version: 0 or 3 - int rv10_first_dc_coded[3]; - - /* MJPEG specific */ - struct MJpegContext *mjpeg_ctx; - int mjpeg_vsample[3]; ///< vertical sampling factors, default = {2, 1, 1} - int mjpeg_hsample[3]; ///< horizontal sampling factors, default = {2, 1, 1} - int mjpeg_write_tables; ///< do we want to have quantisation- and huffmantables in the jpeg file ? - int mjpeg_data_only_frames; ///< frames only with SOI, SOS and EOI markers - - /* MSMPEG4 specific */ - int mv_table_index; - int rl_table_index; - int rl_chroma_table_index; - int dc_table_index; - int use_skip_mb_code; - int slice_height; ///< in macroblocks - int first_slice_line; ///< used in mpeg4 too to handle resync markers - int flipflop_rounding; - int msmpeg4_version; ///< 0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8 - int per_mb_rl_table; - int esc3_level_length; - int esc3_run_length; - /** [mb_intra][isChroma][level][run][last] */ - int (*ac_stats)[2][MAX_LEVEL+1][MAX_RUN+1][2]; - int inter_intra_pred; - int mspel; - - /* decompression specific */ - GetBitContext gb; - - /* Mpeg1 specific */ - int fake_picture_number; ///< picture number at the bitstream frame rate - int gop_picture_number; ///< index of the first picture of a GOP based on fake_pic_num & mpeg1 specific - int last_mv_dir; ///< last mv_dir, used for b frame encoding - int broken_link; ///< no_output_of_prior_pics_flag - - /* MPEG2 specific - I wish I had not to support this mess. */ - int progressive_sequence; - int mpeg_f_code[2][2]; - int picture_structure; -/* picture type */ -#define PICT_TOP_FIELD 1 -#define PICT_BOTTOM_FIELD 2 -#define PICT_FRAME 3 - - int intra_dc_precision; - int frame_pred_frame_dct; - int top_field_first; - int concealment_motion_vectors; - int q_scale_type; - int intra_vlc_format; - int alternate_scan; - int repeat_first_field; - int chroma_420_type; - int progressive_frame; - int full_pel[2]; - int interlaced_dct; - int first_slice; - int first_field; ///< is 1 for the first field of a field picture 0 otherwise - - /* RTP specific */ - /* These are explained on avcodec.h */ - int rtp_mode; - int rtp_payload_size; - void (*rtp_callback)(void *data, int size, int packet_number); - uint8_t *ptr_lastgob; - - DCTELEM (*block)[64]; ///< points to one of the following blocks - DCTELEM blocks[2][6][64] __align8; // for HQ mode we need to keep the best block - int (*decode_mb)(struct MpegEncContext *s, DCTELEM block[6][64]); // used by some codecs to avoid a switch() -#define SLICE_OK 0 -#define SLICE_ERROR -1 -#define SLICE_END -2 ///block_index[0]+=2; - s->block_index[1]+=2; - s->block_index[2]+=2; - s->block_index[3]+=2; - s->block_index[4]++; - s->block_index[5]++; - s->dest[0]+= 16; - s->dest[1]+= 8; - s->dest[2]+= 8; -} - -static inline int get_bits_diff(MpegEncContext *s){ - const int bits= get_bit_count(&s->pb); - const int last= s->last_bits; - - s->last_bits = bits; - - return bits - last; -} - -/* motion_est.c */ -void ff_estimate_p_frame_motion(MpegEncContext * s, - int mb_x, int mb_y); -void ff_estimate_b_frame_motion(MpegEncContext * s, - int mb_x, int mb_y); -int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type); -void ff_fix_long_p_mvs(MpegEncContext * s); -void ff_fix_long_b_mvs(MpegEncContext * s, int16_t (*mv_table)[2], int f_code, int type); -void ff_init_me(MpegEncContext *s); -int ff_pre_estimate_p_frame_motion(MpegEncContext * s, int mb_x, int mb_y); - - -/* mpeg12.c */ -extern const int16_t ff_mpeg1_default_intra_matrix[64]; -extern const int16_t ff_mpeg1_default_non_intra_matrix[64]; -extern uint8_t ff_mpeg1_dc_scale_table[128]; - -void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number); -void mpeg1_encode_mb(MpegEncContext *s, - DCTELEM block[6][64], - int motion_x, int motion_y); -void ff_mpeg1_encode_init(MpegEncContext *s); -void ff_mpeg1_encode_slice_header(MpegEncContext *s); -void ff_mpeg1_clean_buffers(MpegEncContext *s); - - -/** RLTable. */ -typedef struct RLTable { - int n; ///< number of entries of table_vlc minus 1 - int last; ///< number of values for last = 0 - const uint16_t (*table_vlc)[2]; - const int8_t *table_run; - const int8_t *table_level; - uint8_t *index_run[2]; ///< encoding only - int8_t *max_level[2]; ///< encoding & decoding - int8_t *max_run[2]; ///< encoding & decoding - VLC vlc; ///< decoding only deprected FIXME remove - RL_VLC_ELEM *rl_vlc[32]; ///< decoding only -} RLTable; - -void init_rl(RLTable *rl); -void init_vlc_rl(RLTable *rl); - -static inline int get_rl_index(const RLTable *rl, int last, int run, int level) -{ - int index; - index = rl->index_run[last][run]; - if (index >= rl->n) - return rl->n; - if (level > rl->max_level[last][run]) - return rl->n; - return index + level - 1; -} - -extern uint8_t ff_mpeg4_y_dc_scale_table[32]; -extern uint8_t ff_mpeg4_c_dc_scale_table[32]; -extern const int16_t ff_mpeg4_default_intra_matrix[64]; -extern const int16_t ff_mpeg4_default_non_intra_matrix[64]; -int ff_h263_decode_init(AVCodecContext *avctx); -int ff_h263_decode_frame(AVCodecContext *avctx, - void *data, int *data_size, - uint8_t *buf, int buf_size); -int ff_h263_decode_end(AVCodecContext *avctx); -void h263_encode_mb(MpegEncContext *s, - DCTELEM block[6][64], - int motion_x, int motion_y); -void mpeg4_encode_mb(MpegEncContext *s, - DCTELEM block[6][64], - int motion_x, int motion_y); -void h263_encode_picture_header(MpegEncContext *s, int picture_number); -void ff_flv_encode_picture_header(MpegEncContext *s, int picture_number); -int h263_encode_gob_header(MpegEncContext * s, int mb_line); -int16_t *h263_pred_motion(MpegEncContext * s, int block, - int *px, int *py); -void mpeg4_pred_ac(MpegEncContext * s, DCTELEM *block, int n, - int dir); -void ff_set_mpeg4_time(MpegEncContext * s, int picture_number); -void mpeg4_encode_picture_header(MpegEncContext *s, int picture_number); -void h263_encode_init(MpegEncContext *s); -void h263_decode_init_vlc(MpegEncContext *s); -int h263_decode_picture_header(MpegEncContext *s); -int ff_h263_decode_gob_header(MpegEncContext *s); -int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb); -void ff_h263_update_motion_val(MpegEncContext * s); - - -int intel_h263_decode_picture_header(MpegEncContext *s); -int flv_h263_decode_picture_header(MpegEncContext *s); -int ff_h263_decode_mb(MpegEncContext *s, - DCTELEM block[6][64]); -int h263_get_picture_format(int width, int height); -void ff_mpeg4_encode_video_packet_header(MpegEncContext *s); -void ff_mpeg4_clean_buffers(MpegEncContext *s); -void ff_mpeg4_stuffing(PutBitContext * pbc); -void ff_mpeg4_init_partitions(MpegEncContext *s); -void ff_mpeg4_merge_partitions(MpegEncContext *s); -void ff_clean_mpeg4_qscales(MpegEncContext *s); -void ff_clean_h263_qscales(MpegEncContext *s); -int ff_mpeg4_decode_partitions(MpegEncContext *s); -int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s); -int ff_h263_resync(MpegEncContext *s); -int ff_h263_get_gob_height(MpegEncContext *s); -int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my); -inline int ff_h263_round_chroma(int x); - - -/* rv10.c */ -void rv10_encode_picture_header(MpegEncContext *s, int picture_number); -int rv_decode_dc(MpegEncContext *s, int n); - - -/* msmpeg4.c */ -void msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number); -void msmpeg4_encode_ext_header(MpegEncContext * s); -void msmpeg4_encode_mb(MpegEncContext * s, - DCTELEM block[6][64], - int motion_x, int motion_y); -int msmpeg4_decode_picture_header(MpegEncContext * s); -int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size); -int ff_msmpeg4_decode_init(MpegEncContext *s); -void ff_msmpeg4_encode_init(MpegEncContext *s); -int ff_wmv2_decode_picture_header(MpegEncContext * s); -int ff_wmv2_decode_secondary_picture_header(MpegEncContext * s); -void ff_wmv2_add_mb(MpegEncContext *s, DCTELEM block[6][64], uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr); -void ff_mspel_motion(MpegEncContext *s, - uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, - uint8_t **ref_picture, op_pixels_func (*pix_op)[4], - int motion_x, int motion_y, int h); -int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number); -void ff_wmv2_encode_mb(MpegEncContext * s, - DCTELEM block[6][64], - int motion_x, int motion_y); - -/* mjpeg.c */ -int mjpeg_init(MpegEncContext *s); -void mjpeg_close(MpegEncContext *s); -void mjpeg_encode_mb(MpegEncContext *s, - DCTELEM block[6][64]); -void mjpeg_picture_header(MpegEncContext *s); -void mjpeg_picture_trailer(MpegEncContext *s); - - -/* rate control */ -int ff_rate_control_init(MpegEncContext *s); -float ff_rate_estimate_qscale(MpegEncContext *s); -void ff_write_pass1_stats(MpegEncContext *s); -void ff_rate_control_uninit(MpegEncContext *s); -double ff_eval(char *s, double *const_value, const char **const_name, - double (**func1)(void *, double), const char **func1_name, - double (**func2)(void *, double, double), char **func2_name, - void *opaque); - - -#endif /* AVCODEC_MPEGVIDEO_H */