FMT_MJPEG,
};
+#define EDGE_WIDTH 16
+
#define MPEG_BUF_SIZE (16 * 1024)
#define QMAT_SHIFT_MMX 16
#define MAX_FCODE 7
#define MAX_MV 2048
-#define REORDER_BUFFER_SIZE (FF_MAX_B_FRAMES+2)
+
+#define MAX_PICTURE_COUNT 15
#define ME_MAP_SIZE 64
#define ME_MAP_SHIFT 3
#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
+
typedef struct Predictor{
double coeff;
double count;
typedef struct RateControlEntry{
int pict_type;
- int qscale;
+ float qscale;
int mv_bits;
int i_tex_bits;
int p_tex_bits;
Predictor pred[5];
double short_term_qsum; /* sum of recent qscales */
double short_term_qcount; /* count of recent qscales */
- double pass1_bits; /* bits outputted by the pass1 code (including complexity init) */
+ 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 */
- double next_non_b_qscale;
- double next_p_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 i_cplx_sum[5];
UINT64 mv_bits_sum[5];
UINT64 qscale_sum[5];
int frame_count[5];
+ int last_non_b_pict_type;
}RateControlContext;
-typedef struct ReorderBuffer{
- UINT8 *picture[3];
- int pict_type;
- int qscale;
- int force_type;
- int picture_number;
- int picture_in_gop_number;
-} ReorderBuffer;
+
+typedef struct ScanTable{
+ const UINT8 *scantable;
+ UINT8 permutated[64];
+ UINT8 raster_end[64];
+#ifdef ARCH_POWERPC
+ /* Used by dct_quantise_alitvec to find last-non-zero */
+ UINT8 __align8 inverse[64];
+#endif
+} ScanTable;
+
+typedef struct Picture{
+ FF_COMMON_FRAME
+
+ 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 */
+ int b_frame_score; /* */
+} Picture;
+
+typedef struct ParseContext{
+ UINT8 *buffer;
+ int index;
+ int last_index;
+ int buffer_size;
+ int state;
+ int frame_start_found;
+} ParseContext;
+
+struct MpegEncContext;
+
+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 pre_pass; /* = 1 for the pre pass */
+ int dia_size;
+ UINT16 (*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, uint16_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, uint16_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, uint16_t * const mv_penalty);
+}MotionEstContext;
typedef struct MpegEncContext {
struct AVCodecContext *avctx;
int max_qdiff; /* max qscale difference between frames */
int encoding; /* true if we are encoding (vs decoding) */
int flags; /* AVCodecContext.flags (HQ, MV4, ...) */
- int force_input_type;/* 0= no force, otherwise I_TYPE, P_TYPE, ... */
int max_b_frames; /* max number of b-frames for encoding */
int b_frame_strategy;
int luma_elim_threshold;
/* sequence parameters */
int context_initialized;
int input_picture_number;
- int input_picture_in_gop_number; /* 0-> first pic in gop, ... */
int picture_number;
- 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 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_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;
- ReorderBuffer coded_order[REORDER_BUFFER_SIZE];
- UINT8 *last_picture[3]; /* previous picture */
- UINT8 *last_picture_base[3]; /* real start of the picture */
- UINT8 *next_picture[3]; /* previous picture (for bidir pred) */
- UINT8 *next_picture_base[3]; /* real start of the picture */
- 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 */
+ 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*/
+ Picture last_picture; /* previous picture */
+ Picture next_picture; /* previous picture (for bidir pred) */
+ Picture new_picture; /* source picture for encoding */
+ Picture current_picture; /* buffer to store the decompressed current picture */
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 *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;
+ uint8_t *allocated_edge_emu_buffer;
+ uint8_t *edge_emu_buffer; /* points into the middle of allocated_edge_emu_buffer */
- int input_qscale; /* qscale prior to reordering of frames */
- int input_pict_type; /* pict_type prior to reordering of frames */
- int force_type; /* 0= no force, otherwise I_TYPE, P_TYPE, ... */
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 unrestricted_mv;
int h263_long_vectors; /* use horrible h263v1 long vector mode */
+ DSPContext dsp; /* pointers for accelerated dsp fucntions */
int f_code; /* forward MV resolution */
int b_code; /* backward MV resolution for B Frames (mpeg4) */
INT16 (*motion_val)[2]; /* used for MV prediction (4MV per MB) */
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_bidir_back_mv_table)[2]; /* MV table (1MV per MB) bidir mode b-frame encoding */
- INT16 (*b_direct_forw_mv_table)[2];/* MV table (1MV per MB) direct mode b-frame encoding */
- INT16 (*b_direct_back_mv_table)[2];/* MV table (1MV per MB) direct 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 scene_change_score;
int mv_dir;
#define MV_DIR_BACKWARD 1
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 */
- UINT16 (*mv_penalty)[MAX_MV*2+1]; /* amount of bits needed to encode a MV, used for ME */
UINT8 *fcode_tab; /* smallest fcode needed for each MV */
+
+ MotionEstContext me;
- int has_b_frames;
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_incr;
int mb_intra;
- 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
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;
+#define UNI_AC_ENC_INDEX(run,level) ((run)*128 + (level))
+
/* precomputed matrix (combine qscale and DCT renorm) */
- int q_intra_matrix[32][64];
- int q_inter_matrix[32][64];
+ 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 __align8 q_intra_matrix16[32][64];
UINT16 __align8 q_inter_matrix16[32][64];
UINT16 __align8 q_intra_matrix16_bias[32][64];
UINT16 __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
+ UINT8 idct_permutation[64];
+ int idct_permutation_type;
+#define FF_NO_IDCT_PERM 1
+#define FF_LIBMPEG2_IDCT_PERM 2
+#define FF_SIMPLE_IDCT_PERM 3
+#define FF_TRANSPOSE_IDCT_PERM 4
void *opaque; /* private data for the user */
/* bit rate control */
int I_frame_bits; //FIXME used in mpeg12 ...
- int mb_var_sum; /* sum of MB variance for current frame */
- int mc_mb_var_sum; /* motion compensated MB variance for current frame */
INT64 wanted_bits;
INT64 total_bits;
int frame_bits; /* bits used for the current frame */
int last_bits; //temp var used for calculating the above vars
/* error concealment / resync */
+ UINT8 *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 */
- 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;
+ 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 sprite_brightness_change;
int num_sprite_warping_points;
int real_sprite_warping_points;
- int sprite_offset[2][2];
- int sprite_delta[2][2][2];
- int sprite_shift[2][2];
+ 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 aspected_height;
int sprite_warping_accuracy;
int low_latency_sprite;
- int data_partitioning;
+ 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 */
INT16 (*field_mv_table)[2][2]; /* used for interlaced b frame decoding */
INT8 (*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;
UINT8 *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];
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][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 */
+
/* MPEG2 specific - I wish I had not to support this mess. */
int progressive_sequence;
int mpeg_f_code[2][2];
int mpeg2;
int full_pel[2];
int interlaced_dct;
- int last_qscale;
int first_slice;
/* RTP specific */
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 //end marker found
+#define SLICE_NOEND -3 //no end marker or error found but mb count exceeded
+
void (*dct_unquantize_mpeg1)(struct MpegEncContext *s,
- DCTELEM *block, int n, int qscale);
+ DCTELEM *block/*align 16*/, int n, int qscale);
void (*dct_unquantize_mpeg2)(struct MpegEncContext *s,
- DCTELEM *block, int n, int qscale);
+ DCTELEM *block/*align 16*/, int n, int qscale);
void (*dct_unquantize_h263)(struct MpegEncContext *s,
- DCTELEM *block, int n, int qscale);
+ DCTELEM *block/*align 16*/, int n, int qscale);
void (*dct_unquantize)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
- DCTELEM *block, int n, int qscale);
- int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
- void (*fdct)(DCTELEM *block);
+ DCTELEM *block/*align 16*/, int n, int qscale);
+ int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow);
+ void (*fdct)(DCTELEM *block/* align 16*/);
+ void (*idct_put)(UINT8 *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
+ void (*idct_add)(UINT8 *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
+ //FIXME move above funcs into dspContext perhaps
} MpegEncContext;
+
+int DCT_common_init(MpegEncContext *s);
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, AVCodecContext *avctx);
+int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx);
void MPV_frame_end(MpegEncContext *s);
+int MPV_encode_init(AVCodecContext *avctx);
+int MPV_encode_end(AVCodecContext *avctx);
+int MPV_encode_picture(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data);
#ifdef HAVE_MMX
void MPV_common_init_mmx(MpegEncContext *s);
#endif
#ifdef HAVE_MLIB
void MPV_common_init_mlib(MpegEncContext *s);
#endif
+#ifdef HAVE_MMI
+void MPV_common_init_mmi(MpegEncContext *s);
+#endif
+#ifdef ARCH_ARMV4L
+void MPV_common_init_armv4l(MpegEncContext *s);
+#endif
+#ifdef ARCH_POWERPC
+void MPV_common_init_ppc(MpegEncContext *s);
+#endif
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);
+void ff_init_scantable(MpegEncContext *s, ScanTable *st, const UINT8 *src_scantable);
+void ff_error_resilience(MpegEncContext *s);
+void ff_draw_horiz_band(MpegEncContext *s);
+void ff_emulated_edge_mc(MpegEncContext *s, UINT8 *src, int linesize, int block_w, int block_h,
+ int src_x, int src_y, int w, int h);
+char ff_get_pict_type_char(int pict_type);
+
+extern enum PixelFormat ff_yuv420p_list[2];
extern int ff_bit_exact;
+static inline void ff_init_block_index(MpegEncContext *s){
+ s->block_index[0]= s->block_wrap[0]*(s->mb_y*2 + 1) - 1 + s->mb_x*2;
+ s->block_index[1]= s->block_wrap[0]*(s->mb_y*2 + 1) + s->mb_x*2;
+ s->block_index[2]= s->block_wrap[0]*(s->mb_y*2 + 2) - 1 + s->mb_x*2;
+ s->block_index[3]= s->block_wrap[0]*(s->mb_y*2 + 2) + s->mb_x*2;
+ s->block_index[4]= s->block_wrap[4]*(s->mb_y + 1) + s->block_wrap[0]*(s->mb_height*2 + 2) + s->mb_x;
+ s->block_index[5]= s->block_wrap[4]*(s->mb_y + 1 + s->mb_height + 2) + s->block_wrap[0]*(s->mb_height*2 + 2) + s->mb_x;
+}
+
+static inline void ff_update_block_index(MpegEncContext *s){
+ s->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]++;
+}
+
+
/* motion_est.c */
void ff_estimate_p_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 INT16 ff_mpeg1_default_intra_matrix[64];
-extern INT16 ff_mpeg1_default_non_intra_matrix[64];
+extern const INT16 ff_mpeg1_default_intra_matrix[64];
+extern const 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);
int motion_x, int motion_y);
void ff_mpeg1_encode_init(MpegEncContext *s);
+
/* h263enc.c */
typedef struct RLTable {
int n; /* number of entries of table_vlc minus 1 */
extern UINT8 ff_mpeg4_y_dc_scale_table[32];
extern UINT8 ff_mpeg4_c_dc_scale_table[32];
-extern INT16 ff_mpeg4_default_intra_matrix[64];
-extern INT16 ff_mpeg4_default_non_intra_matrix[64];
-
+extern const INT16 ff_mpeg4_default_intra_matrix[64];
+extern const INT16 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 *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 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 h263_decode_gob_header(MpegEncContext *s);
-int mpeg4_decode_picture_header(MpegEncContext * s);
+int ff_h263_decode_gob_header(MpegEncContext *s);
+int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb);
+
+
int intel_h263_decode_picture_header(MpegEncContext *s);
-int h263_decode_mb(MpegEncContext *s,
- DCTELEM block[6][64]);
+int ff_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);
+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);
+void ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my);
+
/* 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);
int motion_x, int motion_y);
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 ff_msmpeg4_decode_init(MpegEncContext *s);
void ff_msmpeg4_encode_init(MpegEncContext *s);
+int ff_wmv2_decode_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 *dest_y, UINT8 *dest_cb, UINT8 *dest_cr,
+ UINT8 **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);
/* mjpegenc.c */
-
int mjpeg_init(MpegEncContext *s);
void mjpeg_close(MpegEncContext *s);
void mjpeg_encode_mb(MpegEncContext *s,
void mjpeg_picture_header(MpegEncContext *s);
void mjpeg_picture_trailer(MpegEncContext *s);
+
/* rate control */
int ff_rate_control_init(MpegEncContext *s);
-int ff_rate_estimate_qscale(MpegEncContext *s);
-int ff_rate_estimate_qscale_pass2(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, char **const_name,
projects / ffmpeg / blobdiff