/*
* 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
*/
+#ifndef AVCODEC_MPEGVIDEO_H
+#define AVCODEC_MPEGVIDEO_H
+
#define FRAME_SKIPED 100 // return value for header parsers if frame is not coded
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
+
typedef struct Predictor{
double coeff;
double count;
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;
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 */
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) */
int input_qscale; /* qscale prior to reordering of frames */
int input_pict_type; /* pict_type prior to reordering of frames */
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 */
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
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
/* 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;
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;
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;
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 */
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 */
/* decompression specific */
GetBitContext gb;
#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);
+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,
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);
/* rv10.c */
void rv10_encode_picture_header(MpegEncContext *s, int picture_number);
int msmpeg4_decode_mb(MpegEncContext *s,
DCTELEM block[6][64]);
int msmpeg4_decode_init_vlc(MpegEncContext *s);
+void ff_old_msmpeg4_dc_scale(MpegEncContext *s);
/* mjpegenc.c */
void ff_write_pass1_stats(MpegEncContext *s);
void ff_rate_control_uninit(MpegEncContext *s);
-
-
-
+#endif /* AVCODEC_MPEGVIDEO_H */
projects / ffmpeg / blobdiff