494 lines
20 KiB
C++
494 lines
20 KiB
C++
/********************************************************************
|
|
* *
|
|
* THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. *
|
|
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
|
|
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
|
|
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
|
|
* *
|
|
* THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
|
|
* by the Xiph.Org Foundation http://www.xiph.org/ *
|
|
* *
|
|
********************************************************************
|
|
|
|
function:
|
|
last mod: $Id: encint.h 16503 2009-08-22 18:14:02Z giles $
|
|
|
|
********************************************************************/
|
|
|
|
#if !defined(_encint_H)
|
|
# define _encint_H (1)
|
|
# if defined(HAVE_CONFIG_H)
|
|
# include "config.h"
|
|
# endif
|
|
# include "theora/theoraenc.h"
|
|
# include "internal.h"
|
|
# include "ocintrin.h"
|
|
# include "mathops.h"
|
|
# include "enquant.h"
|
|
# include "huffenc.h"
|
|
/*# define OC_COLLECT_METRICS*/
|
|
|
|
|
|
|
|
typedef oc_mv oc_mv2[2];
|
|
|
|
typedef struct oc_enc_opt_vtable oc_enc_opt_vtable;
|
|
typedef struct oc_mb_enc_info oc_mb_enc_info;
|
|
typedef struct oc_mode_scheme_chooser oc_mode_scheme_chooser;
|
|
typedef struct oc_iir_filter oc_iir_filter;
|
|
typedef struct oc_frame_metrics oc_frame_metrics;
|
|
typedef struct oc_rc_state oc_rc_state;
|
|
typedef struct th_enc_ctx oc_enc_ctx;
|
|
typedef struct oc_token_checkpoint oc_token_checkpoint;
|
|
|
|
|
|
|
|
/*Constants for the packet-out state machine specific to the encoder.*/
|
|
|
|
/*Next packet to emit: Data packet, but none are ready yet.*/
|
|
#define OC_PACKET_EMPTY (0)
|
|
/*Next packet to emit: Data packet, and one is ready.*/
|
|
#define OC_PACKET_READY (1)
|
|
|
|
/*All features enabled.*/
|
|
#define OC_SP_LEVEL_SLOW (0)
|
|
/*Enable early skip.*/
|
|
#define OC_SP_LEVEL_EARLY_SKIP (1)
|
|
/*Disable motion compensation.*/
|
|
#define OC_SP_LEVEL_NOMC (2)
|
|
/*Maximum valid speed level.*/
|
|
#define OC_SP_LEVEL_MAX (2)
|
|
|
|
|
|
/*The bits used for each of the MB mode codebooks.*/
|
|
extern const unsigned char OC_MODE_BITS[2][OC_NMODES];
|
|
|
|
/*The bits used for each of the MV codebooks.*/
|
|
extern const unsigned char OC_MV_BITS[2][64];
|
|
|
|
/*The minimum value that can be stored in a SB run for each codeword.
|
|
The last entry is the upper bound on the length of a single SB run.*/
|
|
extern const ogg_uint16_t OC_SB_RUN_VAL_MIN[8];
|
|
/*The bits used for each SB run codeword.*/
|
|
extern const unsigned char OC_SB_RUN_CODE_NBITS[7];
|
|
|
|
/*The bits used for each block run length (starting with 1).*/
|
|
extern const unsigned char OC_BLOCK_RUN_CODE_NBITS[30];
|
|
|
|
|
|
|
|
/*Encoder specific functions with accelerated variants.*/
|
|
struct oc_enc_opt_vtable{
|
|
unsigned (*frag_sad)(const unsigned char *_src,
|
|
const unsigned char *_ref,int _ystride);
|
|
unsigned (*frag_sad_thresh)(const unsigned char *_src,
|
|
const unsigned char *_ref,int _ystride,unsigned _thresh);
|
|
unsigned (*frag_sad2_thresh)(const unsigned char *_src,
|
|
const unsigned char *_ref1,const unsigned char *_ref2,int _ystride,
|
|
unsigned _thresh);
|
|
unsigned (*frag_satd_thresh)(const unsigned char *_src,
|
|
const unsigned char *_ref,int _ystride,unsigned _thresh);
|
|
unsigned (*frag_satd2_thresh)(const unsigned char *_src,
|
|
const unsigned char *_ref1,const unsigned char *_ref2,int _ystride,
|
|
unsigned _thresh);
|
|
unsigned (*frag_intra_satd)(const unsigned char *_src,int _ystride);
|
|
void (*frag_sub)(ogg_int16_t _diff[64],const unsigned char *_src,
|
|
const unsigned char *_ref,int _ystride);
|
|
void (*frag_sub_128)(ogg_int16_t _diff[64],
|
|
const unsigned char *_src,int _ystride);
|
|
void (*frag_copy2)(unsigned char *_dst,
|
|
const unsigned char *_src1,const unsigned char *_src2,int _ystride);
|
|
void (*frag_recon_intra)(unsigned char *_dst,int _ystride,
|
|
const ogg_int16_t _residue[64]);
|
|
void (*frag_recon_inter)(unsigned char *_dst,
|
|
const unsigned char *_src,int _ystride,const ogg_int16_t _residue[64]);
|
|
void (*fdct8x8)(ogg_int16_t _y[64],const ogg_int16_t _x[64]);
|
|
};
|
|
|
|
|
|
void oc_enc_vtable_init(oc_enc_ctx *_enc);
|
|
|
|
|
|
|
|
/*Encoder-specific macroblock information.*/
|
|
struct oc_mb_enc_info{
|
|
/*Neighboring macro blocks that have MVs available from the current frame.*/
|
|
unsigned cneighbors[4];
|
|
/*Neighboring macro blocks to use for MVs from the previous frame.*/
|
|
unsigned pneighbors[4];
|
|
/*The number of current-frame neighbors.*/
|
|
unsigned char ncneighbors;
|
|
/*The number of previous-frame neighbors.*/
|
|
unsigned char npneighbors;
|
|
/*Flags indicating which MB modes have been refined.*/
|
|
unsigned char refined;
|
|
/*Motion vectors for a macro block for the current frame and the
|
|
previous two frames.
|
|
Each is a set of 2 vectors against OC_FRAME_GOLD and OC_FRAME_PREV, which
|
|
can be used to estimate constant velocity and constant acceleration
|
|
predictors.
|
|
Uninitialized MVs are (0,0).*/
|
|
oc_mv2 analysis_mv[3];
|
|
/*Current unrefined analysis MVs.*/
|
|
oc_mv unref_mv[2];
|
|
/*Unrefined block MVs.*/
|
|
oc_mv block_mv[4];
|
|
/*Refined block MVs.*/
|
|
oc_mv ref_mv[4];
|
|
/*Minimum motion estimation error from the analysis stage.*/
|
|
ogg_uint16_t error[2];
|
|
/*MB error for half-pel refinement for each frame type.*/
|
|
unsigned satd[2];
|
|
/*Block error for half-pel refinement.*/
|
|
unsigned block_satd[4];
|
|
};
|
|
|
|
|
|
|
|
/*State machine to estimate the opportunity cost of coding a MB mode.*/
|
|
struct oc_mode_scheme_chooser{
|
|
/*Pointers to the a list containing the index of each mode in the mode
|
|
alphabet used by each scheme.
|
|
The first entry points to the dynamic scheme0_ranks, while the remaining 7
|
|
point to the constant entries stored in OC_MODE_SCHEMES.*/
|
|
const unsigned char *mode_ranks[8];
|
|
/*The ranks for each mode when coded with scheme 0.
|
|
These are optimized so that the more frequent modes have lower ranks.*/
|
|
unsigned char scheme0_ranks[OC_NMODES];
|
|
/*The list of modes, sorted in descending order of frequency, that
|
|
corresponds to the ranks above.*/
|
|
unsigned char scheme0_list[OC_NMODES];
|
|
/*The number of times each mode has been chosen so far.*/
|
|
int mode_counts[OC_NMODES];
|
|
/*The list of mode coding schemes, sorted in ascending order of bit cost.*/
|
|
unsigned char scheme_list[8];
|
|
/*The number of bits used by each mode coding scheme.*/
|
|
ptrdiff_t scheme_bits[8];
|
|
};
|
|
|
|
|
|
void oc_mode_scheme_chooser_init(oc_mode_scheme_chooser *_chooser);
|
|
|
|
|
|
|
|
/*A 2nd order low-pass Bessel follower.
|
|
We use this for rate control because it has fast reaction time, but is
|
|
critically damped.*/
|
|
struct oc_iir_filter{
|
|
ogg_int32_t c[2];
|
|
ogg_int64_t g;
|
|
ogg_int32_t x[2];
|
|
ogg_int32_t y[2];
|
|
};
|
|
|
|
|
|
|
|
/*The 2-pass metrics associated with a single frame.*/
|
|
struct oc_frame_metrics{
|
|
/*The log base 2 of the scale factor for this frame in Q24 format.*/
|
|
ogg_int32_t log_scale;
|
|
/*The number of application-requested duplicates of this frame.*/
|
|
unsigned dup_count:31;
|
|
/*The frame type from pass 1.*/
|
|
unsigned frame_type:1;
|
|
};
|
|
|
|
|
|
|
|
/*Rate control state information.*/
|
|
struct oc_rc_state{
|
|
/*The target average bits per frame.*/
|
|
ogg_int64_t bits_per_frame;
|
|
/*The current buffer fullness (bits available to be used).*/
|
|
ogg_int64_t fullness;
|
|
/*The target buffer fullness.
|
|
This is where we'd like to be by the last keyframe the appears in the next
|
|
buf_delay frames.*/
|
|
ogg_int64_t target;
|
|
/*The maximum buffer fullness (total size of the buffer).*/
|
|
ogg_int64_t max;
|
|
/*The log of the number of pixels in a frame in Q57 format.*/
|
|
ogg_int64_t log_npixels;
|
|
/*The exponent used in the rate model in Q8 format.*/
|
|
unsigned exp[2];
|
|
/*The number of frames to distribute the buffer usage over.*/
|
|
int buf_delay;
|
|
/*The total drop count from the previous frame.
|
|
This includes duplicates explicitly requested via the
|
|
TH_ENCCTL_SET_DUP_COUNT API as well as frames we chose to drop ourselves.*/
|
|
ogg_uint32_t prev_drop_count;
|
|
/*The log of an estimated scale factor used to obtain the real framerate, for
|
|
VFR sources or, e.g., 12 fps content doubled to 24 fps, etc.*/
|
|
ogg_int64_t log_drop_scale;
|
|
/*The log of estimated scale factor for the rate model in Q57 format.*/
|
|
ogg_int64_t log_scale[2];
|
|
/*The log of the target quantizer level in Q57 format.*/
|
|
ogg_int64_t log_qtarget;
|
|
/*Will we drop frames to meet bitrate target?*/
|
|
unsigned char drop_frames;
|
|
/*Do we respect the maximum buffer fullness?*/
|
|
unsigned char cap_overflow;
|
|
/*Can the reservoir go negative?*/
|
|
unsigned char cap_underflow;
|
|
/*Second-order lowpass filters to track scale and VFR.*/
|
|
oc_iir_filter scalefilter[2];
|
|
int inter_count;
|
|
int inter_delay;
|
|
int inter_delay_target;
|
|
oc_iir_filter vfrfilter;
|
|
/*Two-pass mode state.
|
|
0 => 1-pass encoding.
|
|
1 => 1st pass of 2-pass encoding.
|
|
2 => 2nd pass of 2-pass encoding.*/
|
|
int twopass;
|
|
/*Buffer for current frame metrics.*/
|
|
unsigned char twopass_buffer[48];
|
|
/*The number of bytes in the frame metrics buffer.
|
|
When 2-pass encoding is enabled, this is set to 0 after each frame is
|
|
submitted, and must be non-zero before the next frame will be accepted.*/
|
|
int twopass_buffer_bytes;
|
|
int twopass_buffer_fill;
|
|
/*Whether or not to force the next frame to be a keyframe.*/
|
|
unsigned char twopass_force_kf;
|
|
/*The metrics for the previous frame.*/
|
|
oc_frame_metrics prev_metrics;
|
|
/*The metrics for the current frame.*/
|
|
oc_frame_metrics cur_metrics;
|
|
/*The buffered metrics for future frames.*/
|
|
oc_frame_metrics *frame_metrics;
|
|
int nframe_metrics;
|
|
int cframe_metrics;
|
|
/*The index of the current frame in the circular metric buffer.*/
|
|
int frame_metrics_head;
|
|
/*The frame count of each type (keyframes, delta frames, and dup frames);
|
|
32 bits limits us to 2.268 years at 60 fps.*/
|
|
ogg_uint32_t frames_total[3];
|
|
/*The number of frames of each type yet to be processed.*/
|
|
ogg_uint32_t frames_left[3];
|
|
/*The sum of the scale values for each frame type.*/
|
|
ogg_int64_t scale_sum[2];
|
|
/*The start of the window over which the current scale sums are taken.*/
|
|
int scale_window0;
|
|
/*The end of the window over which the current scale sums are taken.*/
|
|
int scale_window_end;
|
|
/*The frame count of each type in the current 2-pass window; this does not
|
|
include dup frames.*/
|
|
int nframes[3];
|
|
/*The total accumulated estimation bias.*/
|
|
ogg_int64_t rate_bias;
|
|
};
|
|
|
|
|
|
void oc_rc_state_init(oc_rc_state *_rc,oc_enc_ctx *_enc);
|
|
void oc_rc_state_clear(oc_rc_state *_rc);
|
|
|
|
void oc_enc_rc_resize(oc_enc_ctx *_enc);
|
|
int oc_enc_select_qi(oc_enc_ctx *_enc,int _qti,int _clamp);
|
|
void oc_enc_calc_lambda(oc_enc_ctx *_enc,int _frame_type);
|
|
int oc_enc_update_rc_state(oc_enc_ctx *_enc,
|
|
long _bits,int _qti,int _qi,int _trial,int _droppable);
|
|
int oc_enc_rc_2pass_out(oc_enc_ctx *_enc,unsigned char **_buf);
|
|
int oc_enc_rc_2pass_in(oc_enc_ctx *_enc,unsigned char *_buf,size_t _bytes);
|
|
|
|
|
|
|
|
/*The internal encoder state.*/
|
|
struct th_enc_ctx{
|
|
/*Shared encoder/decoder state.*/
|
|
oc_theora_state state;
|
|
/*Buffer in which to assemble packets.*/
|
|
oggpack_buffer opb;
|
|
/*Encoder-specific macroblock information.*/
|
|
oc_mb_enc_info *mb_info;
|
|
/*DC coefficients after prediction.*/
|
|
ogg_int16_t *frag_dc;
|
|
/*The list of coded macro blocks, in coded order.*/
|
|
unsigned *coded_mbis;
|
|
/*The number of coded macro blocks.*/
|
|
size_t ncoded_mbis;
|
|
/*Whether or not packets are ready to be emitted.
|
|
This takes on negative values while there are remaining header packets to
|
|
be emitted, reaches 0 when the codec is ready for input, and becomes
|
|
positive when a frame has been processed and data packets are ready.*/
|
|
int packet_state;
|
|
/*The maximum distance between keyframes.*/
|
|
ogg_uint32_t keyframe_frequency_force;
|
|
/*The number of duplicates to produce for the next frame.*/
|
|
ogg_uint32_t dup_count;
|
|
/*The number of duplicates remaining to be emitted for the current frame.*/
|
|
ogg_uint32_t nqueued_dups;
|
|
/*The number of duplicates emitted for the last frame.*/
|
|
ogg_uint32_t prev_dup_count;
|
|
/*The current speed level.*/
|
|
int sp_level;
|
|
/*Whether or not VP3 compatibility mode has been enabled.*/
|
|
unsigned char vp3_compatible;
|
|
/*Whether or not any INTER frames have been coded.*/
|
|
unsigned char coded_inter_frame;
|
|
/*Whether or not previous frame was dropped.*/
|
|
unsigned char prevframe_dropped;
|
|
/*Stores most recently chosen Huffman tables for each frame type, DC and AC
|
|
coefficients, and luma and chroma tokens.
|
|
The actual Huffman table used for a given coefficient depends not only on
|
|
the choice made here, but also its index in the zig-zag ordering.*/
|
|
unsigned char huff_idxs[2][2][2];
|
|
/*Current count of bits used by each MV coding mode.*/
|
|
size_t mv_bits[2];
|
|
/*The mode scheme chooser for estimating mode coding costs.*/
|
|
oc_mode_scheme_chooser chooser;
|
|
/*The number of vertical super blocks in an MCU.*/
|
|
int mcu_nvsbs;
|
|
/*The SSD error for skipping each fragment in the current MCU.*/
|
|
unsigned *mcu_skip_ssd;
|
|
/*The DCT token lists for each coefficient and each plane.*/
|
|
unsigned char **dct_tokens[3];
|
|
/*The extra bits associated with each DCT token.*/
|
|
ogg_uint16_t **extra_bits[3];
|
|
/*The number of DCT tokens for each coefficient for each plane.*/
|
|
ptrdiff_t ndct_tokens[3][64];
|
|
/*Pending EOB runs for each coefficient for each plane.*/
|
|
ogg_uint16_t eob_run[3][64];
|
|
/*The offset of the first DCT token for each coefficient for each plane.*/
|
|
unsigned char dct_token_offs[3][64];
|
|
/*The last DC coefficient for each plane and reference frame.*/
|
|
int dc_pred_last[3][3];
|
|
#if defined(OC_COLLECT_METRICS)
|
|
/*Fragment SATD statistics for MB mode estimation metrics.*/
|
|
unsigned *frag_satd;
|
|
/*Fragment SSD statistics for MB mode estimation metrics.*/
|
|
unsigned *frag_ssd;
|
|
#endif
|
|
/*The R-D optimization parameter.*/
|
|
int lambda;
|
|
/*The huffman tables in use.*/
|
|
th_huff_code huff_codes[TH_NHUFFMAN_TABLES][TH_NDCT_TOKENS];
|
|
/*The quantization parameters in use.*/
|
|
th_quant_info qinfo;
|
|
oc_iquant *enquant_tables[64][3][2];
|
|
oc_iquant_table enquant_table_data[64][3][2];
|
|
/*An "average" quantizer for each quantizer type (INTRA or INTER) and qi
|
|
value.
|
|
This is used to paramterize the rate control decisions.
|
|
They are kept in the log domain to simplify later processing.
|
|
Keep in mind these are DCT domain quantizers, and so are scaled by an
|
|
additional factor of 4 from the pixel domain.*/
|
|
ogg_int64_t log_qavg[2][64];
|
|
/*The buffer state used to drive rate control.*/
|
|
oc_rc_state rc;
|
|
/*Table for encoder acceleration functions.*/
|
|
oc_enc_opt_vtable opt_vtable;
|
|
};
|
|
|
|
|
|
void oc_enc_analyze_intra(oc_enc_ctx *_enc,int _recode);
|
|
int oc_enc_analyze_inter(oc_enc_ctx *_enc,int _allow_keyframe,int _recode);
|
|
#if defined(OC_COLLECT_METRICS)
|
|
void oc_enc_mode_metrics_collect(oc_enc_ctx *_enc);
|
|
void oc_enc_mode_metrics_dump(oc_enc_ctx *_enc);
|
|
#endif
|
|
|
|
|
|
|
|
/*Perform fullpel motion search for a single MB against both reference frames.*/
|
|
void oc_mcenc_search(oc_enc_ctx *_enc,int _mbi);
|
|
/*Refine a MB MV for one frame.*/
|
|
void oc_mcenc_refine1mv(oc_enc_ctx *_enc,int _mbi,int _frame);
|
|
/*Refine the block MVs.*/
|
|
void oc_mcenc_refine4mv(oc_enc_ctx *_enc,int _mbi);
|
|
|
|
|
|
|
|
/*Used to rollback a tokenlog transaction when we retroactively decide to skip
|
|
a fragment.
|
|
A checkpoint is taken right before each token is added.*/
|
|
struct oc_token_checkpoint{
|
|
/*The color plane the token was added to.*/
|
|
unsigned char pli;
|
|
/*The zig-zag index the token was added to.*/
|
|
unsigned char zzi;
|
|
/*The outstanding EOB run count before the token was added.*/
|
|
ogg_uint16_t eob_run;
|
|
/*The token count before the token was added.*/
|
|
ptrdiff_t ndct_tokens;
|
|
};
|
|
|
|
|
|
|
|
void oc_enc_tokenize_start(oc_enc_ctx *_enc);
|
|
int oc_enc_tokenize_ac(oc_enc_ctx *_enc,int _pli,ptrdiff_t _fragi,
|
|
ogg_int16_t *_qdct,const ogg_uint16_t *_dequant,const ogg_int16_t *_dct,
|
|
int _zzi,oc_token_checkpoint **_stack,int _acmin);
|
|
void oc_enc_tokenlog_rollback(oc_enc_ctx *_enc,
|
|
const oc_token_checkpoint *_stack,int _n);
|
|
void oc_enc_pred_dc_frag_rows(oc_enc_ctx *_enc,
|
|
int _pli,int _fragy0,int _frag_yend);
|
|
void oc_enc_tokenize_dc_frag_list(oc_enc_ctx *_enc,int _pli,
|
|
const ptrdiff_t *_coded_fragis,ptrdiff_t _ncoded_fragis,
|
|
int _prev_ndct_tokens1,int _prev_eob_run1);
|
|
void oc_enc_tokenize_finish(oc_enc_ctx *_enc);
|
|
|
|
|
|
|
|
/*Utility routine to encode one of the header packets.*/
|
|
int oc_state_flushheader(oc_theora_state *_state,int *_packet_state,
|
|
oggpack_buffer *_opb,const th_quant_info *_qinfo,
|
|
const th_huff_code _codes[TH_NHUFFMAN_TABLES][TH_NDCT_TOKENS],
|
|
const char *_vendor,th_comment *_tc,ogg_packet *_op);
|
|
|
|
|
|
|
|
/*Encoder-specific accelerated functions.*/
|
|
void oc_enc_frag_sub(const oc_enc_ctx *_enc,ogg_int16_t _diff[64],
|
|
const unsigned char *_src,const unsigned char *_ref,int _ystride);
|
|
void oc_enc_frag_sub_128(const oc_enc_ctx *_enc,ogg_int16_t _diff[64],
|
|
const unsigned char *_src,int _ystride);
|
|
unsigned oc_enc_frag_sad(const oc_enc_ctx *_enc,const unsigned char *_src,
|
|
const unsigned char *_ref,int _ystride);
|
|
unsigned oc_enc_frag_sad_thresh(const oc_enc_ctx *_enc,
|
|
const unsigned char *_src,const unsigned char *_ref,int _ystride,
|
|
unsigned _thresh);
|
|
unsigned oc_enc_frag_sad2_thresh(const oc_enc_ctx *_enc,
|
|
const unsigned char *_src,const unsigned char *_ref1,
|
|
const unsigned char *_ref2,int _ystride,unsigned _thresh);
|
|
unsigned oc_enc_frag_satd_thresh(const oc_enc_ctx *_enc,
|
|
const unsigned char *_src,const unsigned char *_ref,int _ystride,
|
|
unsigned _thresh);
|
|
unsigned oc_enc_frag_satd2_thresh(const oc_enc_ctx *_enc,
|
|
const unsigned char *_src,const unsigned char *_ref1,
|
|
const unsigned char *_ref2,int _ystride,unsigned _thresh);
|
|
unsigned oc_enc_frag_intra_satd(const oc_enc_ctx *_enc,
|
|
const unsigned char *_src,int _ystride);
|
|
void oc_enc_frag_copy2(const oc_enc_ctx *_enc,unsigned char *_dst,
|
|
const unsigned char *_src1,const unsigned char *_src2,int _ystride);
|
|
void oc_enc_frag_recon_intra(const oc_enc_ctx *_enc,
|
|
unsigned char *_dst,int _ystride,const ogg_int16_t _residue[64]);
|
|
void oc_enc_frag_recon_inter(const oc_enc_ctx *_enc,unsigned char *_dst,
|
|
const unsigned char *_src,int _ystride,const ogg_int16_t _residue[64]);
|
|
void oc_enc_fdct8x8(const oc_enc_ctx *_enc,ogg_int16_t _y[64],
|
|
const ogg_int16_t _x[64]);
|
|
|
|
/*Default pure-C implementations.*/
|
|
void oc_enc_vtable_init_c(oc_enc_ctx *_enc);
|
|
|
|
void oc_enc_frag_sub_c(ogg_int16_t _diff[64],
|
|
const unsigned char *_src,const unsigned char *_ref,int _ystride);
|
|
void oc_enc_frag_sub_128_c(ogg_int16_t _diff[64],
|
|
const unsigned char *_src,int _ystride);
|
|
void oc_enc_frag_copy2_c(unsigned char *_dst,
|
|
const unsigned char *_src1,const unsigned char *_src2,int _ystride);
|
|
unsigned oc_enc_frag_sad_c(const unsigned char *_src,
|
|
const unsigned char *_ref,int _ystride);
|
|
unsigned oc_enc_frag_sad_thresh_c(const unsigned char *_src,
|
|
const unsigned char *_ref,int _ystride,unsigned _thresh);
|
|
unsigned oc_enc_frag_sad2_thresh_c(const unsigned char *_src,
|
|
const unsigned char *_ref1,const unsigned char *_ref2,int _ystride,
|
|
unsigned _thresh);
|
|
unsigned oc_enc_frag_satd_thresh_c(const unsigned char *_src,
|
|
const unsigned char *_ref,int _ystride,unsigned _thresh);
|
|
unsigned oc_enc_frag_satd2_thresh_c(const unsigned char *_src,
|
|
const unsigned char *_ref1,const unsigned char *_ref2,int _ystride,
|
|
unsigned _thresh);
|
|
unsigned oc_enc_frag_intra_satd_c(const unsigned char *_src,int _ystride);
|
|
void oc_enc_fdct8x8_c(ogg_int16_t _y[64],const ogg_int16_t _x[64]);
|
|
|
|
#endif
|