/*
* Generic DCT based hybrid video encoder
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard.
+ * Copyright (c) 2002-2004 Michael Niedermayer
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg 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
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file mpegvideo.h
+ * mpegvideo header.
*/
#ifndef AVCODEC_MPEGVIDEO_H
#define AVCODEC_MPEGVIDEO_H
-#define FRAME_SKIPED 100 // return value for header parsers if frame is not coded
+#include "dsputil.h"
+#include "bitstream.h"
+#include "ratecontrol.h"
+
+#define FRAME_SKIPPED 100 ///< return value for header parsers if frame is not coded
enum OutputFormat {
FMT_MPEG1,
+ FMT_H261,
FMT_H263,
- FMT_MJPEG,
+ FMT_MJPEG,
+ FMT_H264,
};
#define EDGE_WIDTH 16
#define MAX_FCODE 7
#define MAX_MV 2048
-#define MAX_PICTURE_COUNT 7
+#define MAX_THREADS 8
+
+#define MAX_PICTURE_COUNT 32
#define ME_MAP_SIZE 64
#define ME_MAP_SHIFT 3
#define MAX_RUN 64
#define MAX_LEVEL 64
-typedef struct Predictor{
- double coeff;
- double count;
- double decay;
-} Predictor;
+#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 RateControlEntry{
- int pict_type;
- float qscale;
- int mv_bits;
- int i_tex_bits;
- int p_tex_bits;
- int misc_bits;
- UINT64 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;
-
-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 i_cplx_sum[5];
- UINT64 p_cplx_sum[5];
- UINT64 mv_bits_sum[5];
- UINT64 qscale_sum[5];
- int frame_count[5];
- int last_non_b_pict_type;
-}RateControlContext;
+#define MAX_MB_BYTES (30*16*16*3/8 + 120)
+#define INPLACE_OFFSET 16
+/**
+ * Scantable.
+ */
typedef struct ScanTable{
- const UINT8 *scantable;
- UINT8 permutated[64];
- UINT8 raster_end[64];
+ 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 __align8 inverse[64];
+ /** Used by dct_quantise_alitvec to find last-non-zero */
+ DECLARE_ALIGNED_8(uint8_t, inverse[64]);
#endif
} ScanTable;
+/**
+ * Picture.
+ */
typedef struct Picture{
- FF_COMMON_PICTURE
-
- 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 */
+ FF_COMMON_FRAME
+
+ /**
+ * halfpel luma planes.
+ */
+ uint8_t *interpolated[3];
+ int16_t (*motion_val_base[2])[2];
+ uint32_t *mb_type_base;
+#define MB_TYPE_INTRA MB_TYPE_INTRA4x4 //default mb_type if theres just one type
+#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
+#define HAS_CBP(a) ((a)&MB_TYPE_CBP)
+
+ 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 ref_poc[2][16]; ///< h264 POCs of the frames used as reference
+ int ref_count[2]; ///< number of entries in ref_poc
+
+ 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 decision FIXME remove
+ int b_frame_score; /* */
} Picture;
typedef struct ParseContext{
- UINT8 *buffer;
+ uint8_t *buffer;
int index;
int last_index;
- int buffer_size;
- int state;
+ unsigned 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{
+ AVCodecContext *avctx;
+ int skip; ///< set if ME is skipped 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
+ uint8_t *best_mb;
+ uint8_t *temp_mb[2];
+ uint8_t *temp;
+ int best_bits;
+ 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 flags;
+ int sub_flags;
+ int mb_flags;
+ int pre_pass; ///< = 1 for the pre pass
+ int dia_size;
+ int xmin;
+ int xmax;
+ int ymin;
+ int ymax;
+ int pred_x;
+ int pred_y;
+ uint8_t *src[4][4];
+ uint8_t *ref[4][4];
+ int stride;
+ int uvstride;
+ /* temp variables for picture complexity calculation */
+ int mc_mb_var_sum_temp;
+ int mb_var_sum_temp;
+ int scene_change_score;
+/* cmp, chroma_cmp;*/
+ op_pixels_func (*hpel_put)[4];
+ op_pixels_func (*hpel_avg)[4];
+ qpel_mc_func (*qpel_put)[16];
+ qpel_mc_func (*qpel_avg)[16];
+ uint8_t (*mv_penalty)[MAX_MV*2+1]; ///< amount of bits needed to encode a MV
+ uint8_t *current_mv_penalty;
+ int (*sub_motion_search)(struct MpegEncContext * s,
+ int *mx_ptr, int *my_ptr, int dmin,
+ int src_index, int ref_index,
+ int size, int h);
+}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 width, height;///< picture size. must be a multiple of 16
int gop_size;
- int frame_rate; /* number of frames per second */
- 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 */
+ int intra_only; ///< if true, only intra pictures are generated
+ int bit_rate; ///< wanted bit rate
+ 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 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 qmin; /* min qscale */
- int qmax; /* max qscale */
- 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 h263_plus; ///< h263 plus headers
+ int h263_msmpeg4; ///< generate MSMPEG4 compatible stream (deprecated, use msmpeg4_version instead)
+ int h263_flv; ///< use flv h263 header
+
+ enum CodecID codec_id; /* see CODEC_ID_xxx */
+ int fixed_qscale; ///< fixed qscale if non zero
+ int encoding; ///< true if we are encoding (vs decoding)
+ int flags; ///< AVCodecContext.flags (HQ, MV4, ...)
+ int flags2; ///< AVCodecContext.flags2
+ int max_b_frames; ///< max number of b-frames for encoding
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 */
+ 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 */
+ /** 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 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*/
- 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 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 input_picture_number; ///< used to set pic->display_picture_number, shouldnt be used for/by anything else
+ int coded_picture_number; ///< used to set pic->coded_picture_number, shouldnt be used for/by anything else
+ int picture_number; //FIXME remove, unclear definition
+ 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
+ int64_t user_specified_pts;///< last non zero pts from AVFrame which was passed into avcodec_encode_video()
+ int mb_width, mb_height; ///< number of MBs horizontally & vertically
+ int mb_stride; ///< mb_width+1 used for some arrays to allow simple addressing of left & top MBs without sig11
+ int b8_stride; ///< 2*mb_width+1 used for some 8x8 block arrays to allow simple addressing
+ int b4_stride; ///< 4*mb_width+1 used for some 4x4 block arrays to allow simple addressing
+ int h_edge_pos, v_edge_pos;///< horizontal / vertical position of the right/bottom edge (pixel replication)
+ 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; ///< main picture buffer
+ Picture **input_picture; ///< next pictures on display order for encoding
+ Picture **reordered_input_picture; ///< pointer to the next pictures in codedorder for encoding
+
+ int start_mb_y; ///< start mb_y of this thread (so current thread should process start_mb_y <= row < end_mb_y)
+ int end_mb_y; ///< end mb_y of this thread (so current thread should process start_mb_y <= row < end_mb_y)
+ struct MpegEncContext *thread_context[MAX_THREADS];
+
+ /**
+ * 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 *current_picture_ptr; ///< pointer to the current picture
+ uint8_t *visualization_buffer[3]; //< temporary buffer vor MV visualization
+ int last_dc[3]; ///< last DC values for MPEG1
+ int16_t *dc_val_base;
+ 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 *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 */
+ const uint8_t *y_dc_scale_table; ///< qscale -> y_dc_scale table
+ const uint8_t *c_dc_scale_table; ///< qscale -> c_dc_scale table
+ const uint8_t *chroma_qscale_table; ///< qscale -> chroma_qscale (h263)
+ uint8_t *coded_block_base;
+ uint8_t *coded_block; ///< used for coded block pattern prediction (msmpeg4v3, wmv1)
+ int16_t (*ac_val_base)[16];
+ int16_t (*ac_val[3])[16]; ///< used for for mpeg4 AC prediction, all 3 arrays must be continuous
int ac_pred;
- int mb_skiped; /* MUST BE SET only during DECODING */
- UINT8 *mbskip_table; /* used to avoid copy if macroblock skipped (for black regions for example)
+ uint8_t *prev_pict_types; ///< previous picture types in bitstream order, used for mb skip
+#define PREV_PICT_TYPES_BUFFER_SIZE 256
+ int mb_skipped; ///< 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 *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 */
- UINT8 *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 */
+ 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
+ uint8_t *rd_scratchpad; ///< scratchpad for rate distortion mb decision
+ uint8_t *obmc_scratchpad;
+ uint8_t *b_scratchpad; ///< scratchpad used for writing into write only buffers
+
+ int qscale; ///< QP
+ int chroma_qscale; ///< chroma QP
+ int lambda; ///< lagrange multipler used in rate distortion
+ int lambda2; ///< (lambda*lambda) >> FF_LAMBDA_SHIFT
+ int *lambda_table;
+ 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; //FIXME removes
+ int last_non_b_pict_type; ///< used for mpeg4 gmc b-frames & ratecontrol
+ int dropable;
int frame_rate_index;
+ int last_lambda_for[5]; ///< last lambda for a specific pict type
+
/* motion compensation */
- 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 (*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_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 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 skipped (for encoding b frames for example)
+
+ DSPContext dsp; ///< pointers for accelerated dsp functions
+ int f_code; ///< forward MV resolution
+ int b_code; ///< backward MV resolution for B Frames (mpeg4)
+ 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_field_mv_table_base[2][2])[2];
+ int16_t (*b_field_mv_table_base[2][2][2])[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
+ int16_t (*p_field_mv_table[2][2])[2]; ///< MV table (2MV per MB) interlaced p-frame encoding
+ int16_t (*b_field_mv_table[2][2][2])[2];///< MV table (4MV per MB) interlaced b-frame encoding
+ uint8_t (*p_field_select_table[2]);
+ uint8_t (*b_field_select_table[2][2]);
+ int me_method; ///< ME algorithm
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)
+#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
+#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 */
- 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 */
+ 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
+ int16_t direct_scale_mv[2][64]; ///< precomputed to avoid divisions in ff_mpeg4_set_direct_mv
- int has_b_frames;
- int no_rounding; /* apply no rounding to motion compensation (MPEG4, msmpeg4, ...)
+ 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
+ int hurry_up; /**< when set to 1 during decoding, b frames will be skipped
when set to 2 idct/dequant will be skipped too */
-
+
/* macroblock layer */
int mb_x, mb_y;
- int mb_incr;
+ int mb_skip_run;
int mb_intra;
- 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
-#define MB_TYPE_BIDIR 0x80
-
- int block_index[6]; /* index to current MB in block based arrays with edges*/
+ uint16_t *mb_type; ///< Table for candidate MB types for encoding
+#define CANDIDATE_MB_TYPE_INTRA 0x01
+#define CANDIDATE_MB_TYPE_INTER 0x02
+#define CANDIDATE_MB_TYPE_INTER4V 0x04
+#define CANDIDATE_MB_TYPE_SKIPPED 0x08
+//#define MB_TYPE_GMC 0x10
+
+#define CANDIDATE_MB_TYPE_DIRECT 0x10
+#define CANDIDATE_MB_TYPE_FORWARD 0x20
+#define CANDIDATE_MB_TYPE_BACKWARD 0x40
+#define CANDIDATE_MB_TYPE_BIDIR 0x80
+
+#define CANDIDATE_MB_TYPE_INTER_I 0x100
+#define CANDIDATE_MB_TYPE_FORWARD_I 0x200
+#define CANDIDATE_MB_TYPE_BACKWARD_I 0x400
+#define CANDIDATE_MB_TYPE_BIDIR_I 0x800
+
+ int block_index[6]; ///< index to current MB in block based arrays with edges
int block_wrap[6];
-
- /* matrix transmitted in the bitstream */
- UINT16 intra_matrix[64];
- UINT16 chroma_intra_matrix[64];
- UINT16 inter_matrix[64];
- UINT16 chroma_inter_matrix[64];
-#define QUANT_BIAS_SHIFT 4
- 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 */
- /* 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 __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 */
+ 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))
+
+ int coded_score[8];
+
+ /** precomputed matrix (combine qscale and DCT renorm) */
+ int (*q_intra_matrix)[64];
+ int (*q_inter_matrix)[64];
+ /** identical to the above but for MMX & these are not permutated, second 64 entries are bias*/
+ uint16_t (*q_intra_matrix16)[2][64];
+ uint16_t (*q_inter_matrix16)[2][64];
+ int block_last_index[12]; ///< last non zero coefficient in block
/* scantables */
- ScanTable __align8 intra_scantable;
+ DECLARE_ALIGNED_8(ScanTable, 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
+ ScanTable inter_scantable; ///< if inter == intra then intra should be used to reduce tha cache usage
- void *opaque; /* private data for the user */
+ /* noise reduction */
+ int (*dct_error_sum)[64];
+ int dct_count[2];
+ uint16_t (*dct_offset)[64];
+
+ void *opaque; ///< private data for the user
/* bit rate control */
- int I_frame_bits; //FIXME used in mpeg12 ...
- INT64 wanted_bits;
- INT64 total_bits;
- int frame_bits; /* bits used for the current frame */
- RateControlContext rc_context; // contains stuff only accessed in ratecontrol.c
+ int64_t wanted_bits;
+ int64_t total_bits;
+ int frame_bits; ///< bits used for the current frame
+ int next_lambda; ///< next lambda used for retrying to encode a frame
+ RateControlContext rc_context; ///< contains stuff only accessed in ratecontrol.c
/* statistics, used for 2-pass encoding */
int mv_bits;
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
-
+ int misc_bits; ///< cbp, mb_type
+ 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 */
+ 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 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 serach 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 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;
-
+ int obmc; ///< overlapped block motion compensation
+
/* H.263+ specific */
- int umvplus;
- int umvplus_dec;
- int h263_aic; /* Advanded INTRA Coding (AIC) */
- int h263_aic_dir; /* AIC direction: 0 = left, 1 = top */
-
+ int umvplus; ///< == H263+ && unrestricted_mv
+ int h263_aic; ///< Advanded INTRA Coding (AIC)
+ int h263_aic_dir; ///< AIC direction: 0 = left, 1 = top
+ int h263_slice_structured;
+ int alt_inter_vlc; ///< alternative inter vlc
+ int modified_quant;
+ int loop_filter;
+ int custom_pcf;
+
/* mpeg4 specific */
- int time_increment_resolution;
- int time_increment_bits; /* number of bits to represent the fractional part of time */
+ 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 time; /* time of current frame */
- INT64 last_non_b_time;
- UINT16 pp_time; /* time distance between the last 2 p,s,i frames */
- UINT16 pb_time; /* time distance between the last b and p,s,i frame */
- UINT16 pp_field_time;
- UINT16 pb_field_time; /* like above, just for interlaced */
+ 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_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 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 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 aspected_width;
- int aspected_height;
+ int aspect_ratio_info; //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 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 vol_control_parameters; ///< does the stream contain the low_delay flag, used to workaround buggy encoders
+ int intra_dc_threshold; ///< QP above whch the ac VLC should be used for intra dc
+ int use_intra_dc_vlc;
+ PutBitContext tex_pb; ///< used for data partitioned VOPs
+ PutBitContext pb2; ///< used for data partitioned VOPs
int mpeg_quant;
-#define CO_LOCATED_TYPE_4MV 1
-#define CO_LOCATED_TYPE_FIELDMV 2
- INT8 *co_located_type_table; /* 4mv & field_mv info for next b frame */
- 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 */
+ 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;
-#define BITSTREAM_BUFFER_SIZE 1024*256
- UINT8 *bitstream_buffer; //Divx 5.01 puts several frames in a single one, this is used to reorder them
+ int divx_packed;
+ uint8_t *bitstream_buffer; //Divx 5.01 puts several frames in a single one, this is used to reorder them
int bitstream_buffer_size;
-
+ unsigned int allocated_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_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 */
+ 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_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 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 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] */
+ /** [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 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
+ uint8_t *vbv_delay_ptr; ///< pointer to vbv_delay in the bitstream
+
/* MPEG2 specific - I wish I had not to support this mess. */
int progressive_sequence;
int mpeg_f_code[2][2];
int alternate_scan;
int repeat_first_field;
int chroma_420_type;
+ int chroma_format;
+#define CHROMA_420 1
+#define CHROMA_422 2
+#define CHROMA_444 3
+ int chroma_x_shift;//depend on pix_format, that depend on chroma_format
+ int chroma_y_shift;
+
int progressive_frame;
- int mpeg2;
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 *ptr_lastgob;
- UINT8 *ptr_last_mb_line;
- UINT32 mb_line_avgsize;
-
- 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
+
+ uint8_t *ptr_lastgob;
+ int swap_uv;//vcr2 codec is mpeg2 varint with UV swaped
+ short * pblocks[12];
+
+ DCTELEM (*block)[64]; ///< points to one of the following blocks
+ DCTELEM (*blocks)[8][64]; // 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);
- void (*dct_unquantize_mpeg2)(struct MpegEncContext *s,
- DCTELEM *block, int n, int qscale);
- void (*dct_unquantize_h263)(struct MpegEncContext *s,
- DCTELEM *block, 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/* 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*/);
+#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_intra)(struct MpegEncContext *s,
+ DCTELEM *block/*align 16*/, int n, int qscale);
+ void (*dct_unquantize_mpeg1_inter)(struct MpegEncContext *s,
+ DCTELEM *block/*align 16*/, int n, int qscale);
+ void (*dct_unquantize_mpeg2_intra)(struct MpegEncContext *s,
+ DCTELEM *block/*align 16*/, int n, int qscale);
+ void (*dct_unquantize_mpeg2_inter)(struct MpegEncContext *s,
+ DCTELEM *block/*align 16*/, int n, int qscale);
+ void (*dct_unquantize_h263_intra)(struct MpegEncContext *s,
+ DCTELEM *block/*align 16*/, int n, int qscale);
+ void (*dct_unquantize_h263_inter)(struct MpegEncContext *s,
+ DCTELEM *block/*align 16*/, int n, int qscale);
+ void (*dct_unquantize_h261_intra)(struct MpegEncContext *s,
+ DCTELEM *block/*align 16*/, int n, int qscale);
+ void (*dct_unquantize_h261_inter)(struct MpegEncContext *s,
+ DCTELEM *block/*align 16*/, int n, int qscale);
+ void (*dct_unquantize_intra)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
+ DCTELEM *block/*align 16*/, int n, int qscale);
+ void (*dct_unquantize_inter)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
+ DCTELEM *block/*align 16*/, int n, int qscale);
+ int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow);
+ int (*fast_dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow);
+ void (*denoise_dct)(struct MpegEncContext *s, DCTELEM *block);
} MpegEncContext;
int DCT_common_init(MpegEncContext *s);
+void MPV_decode_defaults(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_decode_mb(MpegEncContext *s, DCTELEM block[12][64]);
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 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);
+extern void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w);
+void ff_copy_bits(PutBitContext *pb, uint8_t *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);
-
-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;
-}
+void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
+void ff_draw_horiz_band(MpegEncContext *s, int y, int h);
+void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize, int block_w, int block_h,
+ int src_x, int src_y, int w, int h);
+#define END_NOT_FOUND -100
+int ff_combine_frame(ParseContext *pc, int next, uint8_t **buf, int *buf_size);
+void ff_parse_close(AVCodecParserContext *s);
+void ff_mpeg_flush(AVCodecContext *avctx);
+void ff_print_debug_info(MpegEncContext *s, AVFrame *pict);
+void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix);
+int ff_find_unused_picture(MpegEncContext *s, int shared);
+void ff_denoise_dct(MpegEncContext *s, DCTELEM *block);
+void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src);
+const uint8_t *ff_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state);
+
+void ff_er_frame_start(MpegEncContext *s);
+void ff_er_frame_end(MpegEncContext *s);
+void ff_er_add_slice(MpegEncContext *s, int startx, int starty, int endx, int endy, int status);
+
+
+extern enum PixelFormat ff_yuv420p_list[2];
+
+void ff_init_block_index(MpegEncContext *s);
static inline void ff_update_block_index(MpegEncContext *s){
+ const int block_size= 8>>s->avctx->lowres;
+
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]++;
+ s->dest[0]+= 2*block_size;
+ s->dest[1]+= block_size;
+ s->dest[2]+= block_size;
}
+static inline int get_bits_diff(MpegEncContext *s){
+ const int bits= put_bits_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);
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_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select,
+ int16_t (*mv_table)[2], int f_code, int type, int truncate);
+void ff_init_me(MpegEncContext *s);
+int ff_pre_estimate_p_frame_motion(MpegEncContext * s, int mb_x, int mb_y);
+inline int ff_epzs_motion_search(MpegEncContext * s, int *mx_ptr, int *my_ptr,
+ int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2],
+ int ref_mv_scale, int size, int h);
+inline int ff_get_mb_score(MpegEncContext * s, int mx, int my, int src_index,
+ int ref_index, int size, int h, int add_rate);
/* mpeg12.c */
-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];
+extern const uint16_t ff_mpeg1_default_intra_matrix[64];
+extern const uint16_t ff_mpeg1_default_non_intra_matrix[64];
+extern const 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);
+int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size);
-/* h263enc.c */
+/** RLTable. */
typedef struct RLTable {
- int n; /* number of entries of table_vlc minus 1 */
- int last; /* number of values for last = 0 */
- const UINT16 (*table_vlc)[2];
- const INT8 *table_run;
- const INT8 *table_level;
- UINT8 *index_run[2]; /* encoding only */
- INT8 *max_level[2]; /* encoding & decoding */
- INT8 *max_run[2]; /* encoding & decoding */
- VLC vlc; /* decoding only deprected FIXME remove*/
- RL_VLC_ELEM *rl_vlc[32]; /* decoding only */
+ 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);
+void init_rl(RLTable *rl, int use_static);
+void init_vlc_rl(RLTable *rl, int use_static);
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];
-extern const INT16 ff_mpeg4_default_intra_matrix[64];
-extern const INT16 ff_mpeg4_default_non_intra_matrix[64];
-void h263_encode_mb(MpegEncContext *s,
+extern const uint8_t ff_mpeg4_y_dc_scale_table[32];
+extern const uint8_t ff_mpeg4_c_dc_scale_table[32];
+extern const uint8_t ff_aic_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];
+extern const uint8_t ff_h263_chroma_qscale_table[32];
+extern const uint8_t ff_h263_loop_filter_strength[32];
+
+/* h261.c */
+void ff_h261_loop_filter(MpegEncContext *s);
+void ff_h261_reorder_mb_index(MpegEncContext* s);
+void ff_h261_encode_mb(MpegEncContext *s,
DCTELEM block[6][64],
int motion_x, int motion_y);
-void mpeg4_encode_mb(MpegEncContext *s,
+void ff_h261_encode_picture_header(MpegEncContext * s, int picture_number);
+void ff_h261_encode_init(MpegEncContext *s);
+
+
+/* h263.c, h263dec.c */
+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);
-int h263_encode_gob_header(MpegEncContext * s, int mb_line);
-INT16 *h263_pred_motion(MpegEncContext * s, int block,
+void ff_flv_encode_picture_header(MpegEncContext *s, int picture_number);
+void h263_encode_gob_header(MpegEncContext * s, int mb_line);
+int16_t *h263_pred_motion(MpegEncContext * s, int block, int dir,
int *px, int *py);
-void mpeg4_pred_ac(MpegEncContext * s, INT16 *block, int n,
+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);
+#ifdef CONFIG_ENCODERS
void h263_encode_init(MpegEncContext *s);
+#else
+static void h263_encode_init(MpegEncContext *s) {assert(0);}
+#endif
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);
+void ff_h263_loop_filter(MpegEncContext * s);
+void ff_set_qscale(MpegEncContext * s, int qscale);
+int ff_h263_decode_mba(MpegEncContext *s);
+void ff_h263_encode_mba(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 ff_mpeg4_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);
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_init_direct_mv(MpegEncContext *s);
+int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my);
+int ff_h263_round_chroma(int x);
+void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code);
+int ff_mpeg4_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size);
/* rv10.c */
void rv10_encode_picture_header(MpegEncContext *s, int picture_number);
int rv_decode_dc(MpegEncContext *s, int n);
+void rv20_encode_picture_header(MpegEncContext *s, int picture_number);
/* 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,
+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);
-
-/* mjpegenc.c */
+/* mjpeg.c */
int mjpeg_init(MpegEncContext *s);
void mjpeg_close(MpegEncContext *s);
-void mjpeg_encode_mb(MpegEncContext *s,
+void mjpeg_encode_mb(MpegEncContext *s,
DCTELEM block[6][64]);
void mjpeg_picture_header(MpegEncContext *s);
void mjpeg_picture_trailer(MpegEncContext *s);
+void ff_mjpeg_stuffing(PutBitContext * pbc);
-
-/* 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, char **const_name,
- double (**func1)(void *, double), char **func1_name,
- double (**func2)(void *, double, double), char **func2_name,
- void *opaque);
-
+/* cavs.c */
+int ff_cavs_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size);
#endif /* AVCODEC_MPEGVIDEO_H */
+
projects / ffmpeg / blobdiff