X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fmpegvideo.h;h=b04d4f74cd1a18073371546640021ffa3869d7c9;hb=fe072fb4ee7375d9dd4c90c54cff22b12a886e88;hp=33da18ee07f74064b4b19e4b04acc121f1fa4149;hpb=bb71e31757ada3017707a61fa74e71c18b5b6586;p=ffmpeg diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h index 33da18ee07f..b04d4f74cd1 100644 --- a/libavcodec/mpegvideo.h +++ b/libavcodec/mpegvideo.h @@ -1,27 +1,24 @@ /* * Generic DCT based hybrid video encoder - * Copyright (c) 2000,2001 Gerard Lantau. + * Copyright (c) 2000, 2001, 2002 Fabrice Bellard. * - * This program 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. + * 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 program is distributed in the hope that it will be useful, + * 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 General Public License for more details. + * 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 General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * 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 */ -/* Macros for picture code type. */ -#define I_TYPE 1 -#define P_TYPE 2 -#define B_TYPE 3 -#define S_TYPE 4 //S(GMC)-VOP MPEG4 +#ifndef AVCODEC_MPEGVIDEO_H +#define AVCODEC_MPEGVIDEO_H #define FRAME_SKIPED 100 // return value for header parsers if frame is not coded @@ -40,6 +37,14 @@ enum OutputFormat { #define MAX_MV 2048 #define REORDER_BUFFER_SIZE (FF_MAX_B_FRAMES+2) +#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 + typedef struct Predictor{ double coeff; double count; @@ -53,7 +58,7 @@ typedef struct RateControlEntry{ int i_tex_bits; int p_tex_bits; int misc_bits; - uint64_t expected_bits; + UINT64 expected_bits; int new_pict_type; float new_qscale; }RateControlEntry; @@ -103,8 +108,13 @@ typedef struct MpegEncContext { int force_input_type;/* 0= no force, otherwise I_TYPE, P_TYPE, ... */ int max_b_frames; /* max number of b-frames for encoding */ float b_quant_factor;/* qscale factor between ips and b frames */ + float b_quant_offset;/* qscale offset between ips and b frames */ int rc_strategy; 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 */ @@ -122,6 +132,7 @@ typedef struct MpegEncContext { int mb_width, mb_height; /* number of MBs horizontally & vertically */ 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 */ UINT8 *new_picture[3]; /* picture to be compressed */ UINT8 *picture_buffer[REORDER_BUFFER_SIZE][3]; /* internal buffers used for reordering of input pictures */ int picture_buffer_index; @@ -133,10 +144,15 @@ typedef struct MpegEncContext { UINT8 *aux_picture[3]; /* aux picture (for B frames only) */ UINT8 *aux_picture_base[3]; /* real start of the picture */ UINT8 *current_picture[3]; /* buffer to store the decompressed current picture */ + void *last_dr_opaque; + void *next_dr_opaque; + int ip_buffer_count; /* number of buffers, currently only >2 if dr1 is used */ int num_available_buffers; /* is 0 at the start & after seeking, after the first I frame its 1 after next I/P 2 */ int last_dc[3]; /* last DC values for MPEG1 */ INT16 *dc_val[3]; /* used for mpeg4 DC prediction, all 3 arrays must be continuous */ int y_dc_scale, c_dc_scale; + UINT8 *y_dc_scale_table; /* qscale -> y_dc_scale table */ + UINT8 *c_dc_scale_table; /* qscale -> c_dc_scale table */ UINT8 *coded_block; /* used for coded block pattern prediction (msmpeg4v3, wmv1)*/ INT16 (*ac_val[3])[16]; /* used for for mpeg4 AC prediction, all 3 arrays must be continuous */ int ac_pred; @@ -144,6 +160,10 @@ typedef struct MpegEncContext { UINT8 *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 *mbintra_table; /* used to avoid setting {ac, dc, cbp}-pred stuff to zero on inter MB decoding */ + UINT8 *cbp_table; /* used to store cbp, ac_pred for partitioned decoding */ + UINT8 *pred_dir_table; /* used to store pred_dir for partitioned decoding */ + INT8 *qscale_table; /* used to store qscale for partitioned decoding (& postprocessing FIXME export) */ + UINT8 *edge_emu_buffer; int input_qscale; /* qscale prior to reordering of frames */ int input_pict_type; /* pict_type prior to reordering of frames */ @@ -161,7 +181,6 @@ typedef struct MpegEncContext { int b_code; /* backward MV resolution for B Frames (mpeg4) */ INT16 (*motion_val)[2]; /* used for MV prediction (4MV per MB) */ INT16 (*p_mv_table)[2]; /* MV table (1MV per MB) p-frame encoding */ - INT16 (*last_p_mv_table)[2]; /* MV table (1MV per MB) p-frame encoding */ INT16 (*b_forw_mv_table)[2]; /* MV table (1MV per MB) forward mode b-frame encoding */ INT16 (*b_back_mv_table)[2]; /* MV table (1MV per MB) backward mode b-frame encoding */ INT16 (*b_bidir_forw_mv_table)[2]; /* MV table (1MV per MB) bidir mode b-frame encoding */ @@ -171,6 +190,10 @@ typedef struct MpegEncContext { INT16 (*b_direct_mv_table)[2]; /* MV table (1MV per MB) direct mode b-frame encoding */ int me_method; /* ME algorithm */ uint8_t *me_scratchpad; /* data area for the me algo, so that the ME doesnt need to malloc/free */ + uint32_t *me_map; /* map to avoid duplicate evaluations */ + uint16_t *me_score_map; /* map to store the SADs */ + int me_map_generation; + int skip_me; /* set if ME is skiped for the current MB */ int mv_dir; #define MV_DIR_BACKWARD 1 #define MV_DIR_FORWARD 2 @@ -203,12 +226,15 @@ typedef struct MpegEncContext { int mb_x, mb_y; int mb_incr; int mb_intra; - UINT16 *mb_var; /* Table for MB variances */ - UINT8 *mb_type; /* Table for MB type */ + UINT16 *mb_var; /* Table for MB variances */ + UINT16 *mc_mb_var; /* Table for motion compensated MB variances */ + UINT8 *mb_type; /* Table for 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 @@ -241,8 +267,8 @@ typedef struct MpegEncContext { /* bit rate control */ int I_frame_bits; //FIXME used in mpeg12 ... - int avg_mb_var; /* average MB variance for current frame */ - int mc_mb_var; /* motion compensated MB variance for current frame */ + int mb_var_sum; /* sum of MB variance for current frame */ + int mc_mb_var_sum; /* motion compensated MB variance for current frame */ int last_non_b_mc_mb_var;/* motion compensated MB variance for last non b frame */ INT64 wanted_bits; INT64 total_bits; @@ -266,11 +292,24 @@ typedef struct MpegEncContext { int skip_count; int misc_bits; // cbp, mb_type int last_bits; //temp var used for calculating the above vars + + /* error concealment / resync */ + int resync_mb_x; /* x position of last resync marker */ + int resync_mb_y; /* y position of last resync marker */ + int mb_num_left; /* number of MBs left in this video packet */ + GetBitContext next_resync_gb; /* starts at the next resync marker */ + int next_resync_qscale; /* qscale of next resync marker */ + int next_resync_pos; /* bitstream position of next resync marker */ +#define DECODING_AC_LOST -1 +#define DECODING_ACDC_LOST -2 +#define DECODING_DESYNC -3 + int decoding_error; + int next_p_frame_damaged; /* set if the next p frame is damaged, to avoid showing trashed b frames */ + int error_resilience; /* H.263 specific */ int gob_number; int gob_index; - int first_gob_line; /* H.263+ specific */ int umvplus; @@ -283,10 +322,10 @@ typedef struct MpegEncContext { 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 bp_time; /* time distance between the last b and p,s,i frame */ + INT64 time; /* time of current frame */ + INT64 last_non_b_time; + UINT16 pp_time; /* time distance between the last 2 p,s,i frames */ + UINT16 bp_time; /* time distance between the last b and p,s,i frame */ int shape; int vol_sprite_usage; int sprite_width; @@ -303,22 +342,30 @@ typedef struct MpegEncContext { 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; int sprite_warping_accuracy; int low_latency_sprite; - int data_partioning; - int resync_marker; - int resync_x_pos; + int data_partitioning; + 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; /* divx specific, used to workaround (many) bugs in divx5 */ int divx_version; int divx_build; #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 + UINT8 *bitstream_buffer; //Divx 5.01 puts several frames in a single one, this is used to reorder them int bitstream_buffer_size; /* RV10 specific */ @@ -331,6 +378,7 @@ typedef struct MpegEncContext { 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; @@ -341,8 +389,19 @@ typedef struct MpegEncContext { int slice_height; /* in macroblocks */ int first_slice_line; /* used in mpeg4 too to handle resync markers */ int flipflop_rounding; - int bitrate; - int msmpeg4_version; /* 0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 */ + 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; + UINT8 *inter_scantable; + UINT8 *intra_scantable; + UINT8 *intra_v_scantable; + UINT8 *intra_h_scantable; + /* [mb_intra][isChroma][level][run][last] */ + int ac_stats[2][2][MAX_LEVEL+1][MAX_RUN+1][2]; + int inter_intra_pred; + + /* decompression specific */ GetBitContext gb; @@ -395,13 +454,19 @@ typedef struct MpegEncContext { int MPV_common_init(MpegEncContext *s); void MPV_common_end(MpegEncContext *s); void MPV_decode_mb(MpegEncContext *s, DCTELEM block[6][64]); -void MPV_frame_start(MpegEncContext *s); +void MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx); void MPV_frame_end(MpegEncContext *s); #ifdef HAVE_MMX void MPV_common_init_mmx(MpegEncContext *s); #endif -int (*dct_quantize)(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow); -void (*draw_edges)(UINT8 *buf, int wrap, int width, int height, int w); +#ifdef ARCH_ALPHA +void MPV_common_init_axp(MpegEncContext *s); +#endif +extern int (*dct_quantize)(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow); +extern void (*draw_edges)(UINT8 *buf, int wrap, int width, int height, int w); +void ff_conceal_past_errors(MpegEncContext *s, int conceal_all); +void ff_copy_bits(PutBitContext *pb, UINT8 *src, int length); +void ff_clean_intra_table_entries(MpegEncContext *s); /* motion_est.c */ void ff_estimate_p_frame_motion(MpegEncContext * s, @@ -413,21 +478,17 @@ 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); /* mpeg12.c */ -extern INT16 default_intra_matrix[64]; -extern INT16 default_non_intra_matrix[64]; +extern INT16 ff_mpeg1_default_intra_matrix[64]; +extern INT16 ff_mpeg1_default_non_intra_matrix[64]; +extern UINT8 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 mpeg1_encode_init(MpegEncContext *s); +void ff_mpeg1_encode_init(MpegEncContext *s); /* h263enc.c */ - -/* run length table */ -#define MAX_RUN 64 -#define MAX_LEVEL 64 - typedef struct RLTable { int n; /* number of entries of table_vlc minus 1 */ int last; /* number of values for last = 0 */ @@ -437,7 +498,8 @@ typedef struct RLTable { UINT8 *index_run[2]; /* encoding only */ INT8 *max_level[2]; /* encoding & decoding */ INT8 *max_run[2]; /* encoding & decoding */ - VLC vlc; /* decoding only */ + VLC vlc; /* decoding only deprected FIXME remove*/ + RL_VLC_ELEM *rl_vlc[32]; /* decoding only */ } RLTable; void init_rl(RLTable *rl); @@ -454,6 +516,8 @@ static inline int get_rl_index(const RLTable *rl, int last, int run, int level) return index + level - 1; } +extern UINT8 ff_mpeg4_y_dc_scale_table[32]; +extern UINT8 ff_mpeg4_c_dc_scale_table[32]; void h263_encode_mb(MpegEncContext *s, DCTELEM block[6][64], int motion_x, int motion_y); @@ -462,7 +526,6 @@ void mpeg4_encode_mb(MpegEncContext *s, int motion_x, int motion_y); void h263_encode_picture_header(MpegEncContext *s, int picture_number); int h263_encode_gob_header(MpegEncContext * s, int mb_line); -void h263_dc_scale(MpegEncContext *s); INT16 *h263_pred_motion(MpegEncContext * s, int block, int *px, int *py); void mpeg4_pred_ac(MpegEncContext * s, INT16 *block, int n, @@ -479,6 +542,14 @@ int intel_h263_decode_picture_header(MpegEncContext *s); int h263_decode_mb(MpegEncContext *s, DCTELEM block[6][64]); int h263_get_picture_format(int width, int height); +int ff_mpeg4_decode_video_packet_header(MpegEncContext *s); +int ff_mpeg4_resync(MpegEncContext *s); +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); +extern inline int ff_mpeg4_pred_dc(MpegEncContext * s, int n, UINT16 **dc_val_ptr, int *dir_ptr); /* rv10.c */ void rv10_encode_picture_header(MpegEncContext *s, int picture_number); @@ -494,7 +565,8 @@ int msmpeg4_decode_picture_header(MpegEncContext * s); int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size); int msmpeg4_decode_mb(MpegEncContext *s, DCTELEM block[6][64]); -int msmpeg4_decode_init_vlc(MpegEncContext *s); +int ff_msmpeg4_decode_init(MpegEncContext *s); +void ff_msmpeg4_encode_init(MpegEncContext *s); /* mjpegenc.c */ @@ -512,6 +584,4 @@ int ff_rate_estimate_qscale_pass2(MpegEncContext *s); void ff_write_pass1_stats(MpegEncContext *s); void ff_rate_control_uninit(MpegEncContext *s); - - - +#endif /* AVCODEC_MPEGVIDEO_H */