X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fmpegvideo.h;h=ed02759ae1829fd6758cbf33270bbbf75dddacef;hb=013591c5f2a8b1425dc3508754fd384db50e4509;hp=c3e39f58c7277bd6b8b66889c22f88ec46f26caa;hpb=d50635cd247e17fe16c63219b9ae80d45a8185b1;p=ffmpeg diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h index c3e39f58c72..ed02759ae18 100644 --- a/libavcodec/mpegvideo.h +++ b/libavcodec/mpegvideo.h @@ -1,38 +1,45 @@ /* * 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 #include "dsputil.h" +#include "bitstream.h" +#include "ratecontrol.h" +#include "parser.h" -#define FRAME_SKIPED 100 ///< return value for header parsers if frame is not coded +#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, }; @@ -46,7 +53,9 @@ enum OutputFormat { #define MAX_FCODE 7 #define MAX_MV 2048 -#define MAX_PICTURE_COUNT 15 +#define MAX_THREADS 8 + +#define MAX_PICTURE_COUNT 32 #define ME_MAP_SIZE 64 #define ME_MAP_SHIFT 3 @@ -63,53 +72,9 @@ enum OutputFormat { #define SI_TYPE FF_SI_TYPE ///< Switching Intra #define SP_TYPE FF_SP_TYPE ///< Switching Predicted -typedef struct Predictor{ - double coeff; - double count; - double decay; -} Predictor; +#define MAX_MB_BYTES (30*16*16*3/8 + 120) -typedef struct RateControlEntry{ - int pict_type; - float qscale; - int mv_bits; - int i_tex_bits; - int p_tex_bits; - int misc_bits; - uint64_t 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; - -/** - * rate control context. - */ -typedef struct RateControlContext{ - FILE *stats_file; - int num_entries; ///< number of RateControlEntries - RateControlEntry *entry; - double 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_t i_cplx_sum[5]; - uint64_t p_cplx_sum[5]; - uint64_t mv_bits_sum[5]; - uint64_t qscale_sum[5]; - int frame_count[5]; - int last_non_b_pict_type; -}RateControlContext; +#define INPLACE_OFFSET 16 /** * Scantable. @@ -119,8 +84,8 @@ typedef struct ScanTable{ uint8_t permutated[64]; uint8_t raster_end[64]; #ifdef ARCH_POWERPC - /** Used by dct_quantise_alitvec to find last-non-zero */ - uint8_t __align8 inverse[64]; + /** Used by dct_quantise_alitvec to find last-non-zero */ + DECLARE_ALIGNED_8(uint8_t, inverse[64]); #endif } ScanTable; @@ -135,8 +100,8 @@ typedef struct Picture{ */ uint8_t *interpolated[3]; int16_t (*motion_val_base[2])[2]; - int8_t *ref_index[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) @@ -166,64 +131,70 @@ typedef struct Picture{ 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 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 decission FIXME remove + 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_t *buffer; - int index; - int last_index; - 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{ - 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 + 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 - uint32_t *map; ///< map to avoid duplicate evaluations - uint32_t *score_map; ///< map to store the scores - int map_generation; + 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 pre_pass; ///< = 1 for the pre pass + int flags; + int sub_flags; + int mb_flags; + int pre_pass; ///< = 1 for the pre pass int dia_size; - uint8_t (*mv_penalty)[MAX_MV*2+1]; ///< amount of bits needed to encode a MV + 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 xmin, int ymin, int xmax, int ymax, - int pred_x, int pred_y, Picture *ref_picture, - int n, int size, uint8_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, uint8_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, uint8_t * const mv_penalty); - int (*get_mb_score)(struct MpegEncContext * s, int mx, int my, int pred_x, int pred_y, Picture *ref_picture, - uint8_t * const mv_penalty); + int *mx_ptr, int *my_ptr, int dmin, + int src_index, int ref_index, + int size, int h); }MotionEstContext; /** @@ -232,27 +203,30 @@ typedef struct MotionEstContext{ 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 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 + 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_plus; ///< h263 plus headers int h263_msmpeg4; ///< generate MSMPEG4 compatible stream (deprecated, use msmpeg4_version instead) - int h263_flv; ///< use flv h263 header - - int 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 max_b_frames; ///< max number of b-frames for encoding + 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 + int codec_tag; ///< internal codec_tag upper case converted from avctx codec_tag + int stream_codec_tag; ///< internal stream_codec_tag upper case converted from avctx stream_codec_tag /* the following fields are managed internally by the encoder */ /** bit output */ @@ -260,151 +234,181 @@ typedef struct MpegEncContext { /* 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 mb_stride; ///< mb_width+1 used for some arrays to allow simple addressng of left & top MBs withoutt sig11 - int b8_stride; ///< 2*mb_width+1 used for some 8x8 block arrays to allow simple addressng - int b4_stride; ///< 4*mb_width+1 used for some 4x4 block arrays to allow simple addressng - 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; ///< main picture buffer + 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; - - /** + 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 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 *next_picture_ptr; ///< pointer to the next picture (for bidir pred) Picture *current_picture_ptr; ///< pointer to the current picture - int last_dc[3]; ///< last DC values for MPEG1 - int16_t *dc_val[3]; ///< used for mpeg4 DC prediction, all 3 arrays must be continuous + 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_t *y_dc_scale_table; ///< qscale -> y_dc_scale table - uint8_t *c_dc_scale_table; ///< qscale -> c_dc_scale table + 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[3])[16]; ///< used for for mpeg4 AC prediction, all 3 arrays must be continuous + 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; - uint8_t *prev_pict_types; ///< previous picture types in bitstream order, used for mb skip + uint8_t *prev_pict_types; ///< previous picture types in bitstream order, used for mb skip #define PREV_PICT_TYPES_BUFFER_SIZE 256 - int mb_skiped; ///< MUST BE SET only during DECODING - uint8_t *mbskip_table; /**< used to avoid copy if macroblock skipped (for black regions for example) + 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_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 *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 - - int qscale; ///< QP - int chroma_qscale; ///< chroma QP - int lambda; ///< lagrange multipler used in rate distortion - int lambda2; ///< (lambda*lambda) >> FF_LAMBDA_SHIFT + 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 + unsigned int lambda; ///< lagrange multipler used in rate distortion + unsigned 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; - int last_non_b_pict_type; ///< used for mpeg4 gmc b-frames & ratecontrol + 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 + int skipdct; ///< skip dct and code zero residual + /* motion compensation */ - 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 skiped (for encoding b frames for example) + 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 fucntions - int f_code; ///< forward MV resolution - int b_code; ///< backward MV resolution for B Frames (mpeg4) + 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_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_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 - int me_method; ///< ME algorithm - int scene_change_score; + 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) 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 - uint8_t *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 + MotionEstContext me; - int no_rounding; /**< apply no rounding to motion compensation (MPEG4, msmpeg4, ...) + 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_skip_run; int mb_intra; - uint8_t *mb_type; ///< Table for MB type FIXME remove and use picture->mb_type -#define MB_TYPE_INTRA 0x01 -#define MB_TYPE_INTER 0x02 -#define MB_TYPE_INTER4V 0x04 -#define MB_TYPE_SKIPED 0x08 + 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 MB_TYPE_DIRECT 0x10 -#define MB_TYPE_FORWARD 0x20 -#define MB_TYPE_BACKWARD 0x40 -#define MB_TYPE_BIDIR 0x80 +#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 + +#define CANDIDATE_MB_TYPE_DIRECT0 0x1000 int block_index[6]; ///< index to current MB in block based arrays with edges int block_wrap[6]; uint8_t *dest[3]; - + int *mb_index2xy; ///< mb_index -> mb_x + mb_y*mb_stride /** matrix transmitted in the bitstream */ @@ -413,11 +417,11 @@ typedef struct MpegEncContext { 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 + 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; @@ -426,7 +430,7 @@ typedef struct MpegEncContext { uint8_t *chroma_dc_vlc_length; #define UNI_AC_ENC_INDEX(run,level) ((run)*128 + (level)) - int coded_score[6]; + int coded_score[8]; /** precomputed matrix (combine qscale and DCT renorm) */ int (*q_intra_matrix)[64]; @@ -434,13 +438,13 @@ typedef struct MpegEncContext { /** 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[6]; ///< last non zero coefficient in block + 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 - + /* noise reduction */ int (*dct_error_sum)[64]; int dct_count[2]; @@ -449,10 +453,10 @@ typedef struct MpegEncContext { void *opaque; ///< private data for the user /* bit rate control */ - int I_frame_bits; //FIXME used in mpeg12 ... int64_t wanted_bits; int64_t total_bits; - int frame_bits; ///< bits used for the current frame + 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 */ @@ -466,11 +470,11 @@ typedef struct MpegEncContext { int skip_count; int misc_bits; ///< cbp, mb_type int last_bits; ///< temp var used for calculating the above vars - + /* error concealment / resync */ int 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 + 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 @@ -478,40 +482,40 @@ typedef struct MpegEncContext { #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 search for the next resync marker + + 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 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_index; int obmc; ///< overlapped block motion compensation - + /* H.263+ specific */ - int umvplus; ///< == H263+ && unrestricted_mv - int h263_aic; ///< Advanded INTRA Coding (AIC) + 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 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_t time; ///< time of current frame + 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_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 + uint16_t pb_field_time; ///< like above, just for interlaced int shape; int vol_sprite_usage; int sprite_width; @@ -521,12 +525,12 @@ typedef struct MpegEncContext { 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; @@ -535,49 +539,44 @@ typedef struct MpegEncContext { 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 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 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 - int intra_dc_threshold; ///< QP above whch the ac VLC should be used for intra dc - 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; - int16_t (*field_mv_table)[2][2]; ///< used for interlaced b frame decoding - int8_t (*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; int divx_packed; -#define BITSTREAM_BUFFER_SIZE 1024*256 uint8_t *bitstream_buffer; //Divx 5.01 puts several frames in a single one, this is used to reorder them 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; @@ -585,8 +584,8 @@ typedef struct MpegEncContext { 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 per_mb_rl_table; @@ -601,11 +600,11 @@ typedef struct MpegEncContext { 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 last_mv_dir; ///< last mv_dir, used for b frame encoding + 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]; @@ -624,6 +623,13 @@ typedef struct MpegEncContext { 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 full_pel[2]; int interlaced_dct; @@ -632,30 +638,34 @@ typedef struct MpegEncContext { /* RTP specific */ int rtp_mode; - + 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)[6][64]; // for HQ mode we need to keep the best block + + 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 ///>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]+= 16; - s->dest[1]+= 8; - s->dest[2]+= 8; + 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= get_bit_count(&s->pb); + const int bits= put_bits_count(&s->pb); const int last= s->last_bits; s->last_bits = bits; @@ -745,15 +759,20 @@ void ff_estimate_b_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_t ff_mpeg1_default_intra_matrix[64]; -extern const int16_t ff_mpeg1_default_non_intra_matrix[64]; -extern uint8_t 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, @@ -766,20 +785,20 @@ void ff_mpeg1_clean_buffers(MpegEncContext *s); /** RLTable. */ typedef struct RLTable { - int n; ///< number of entries of table_vlc minus 1 - int last; ///< number of values for last = 0 + 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 + 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 + 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) { @@ -792,36 +811,51 @@ static inline int get_rl_index(const RLTable *rl, int last, int run, int level) return index + level - 1; } -extern uint8_t ff_mpeg4_y_dc_scale_table[32]; -extern uint8_t ff_mpeg4_c_dc_scale_table[32]; -extern uint8_t ff_aic_dc_scale_table[32]; +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 ff_h261_encode_picture_header(MpegEncContext * s, int picture_number); +void ff_h261_encode_init(MpegEncContext *s); +int ff_h261_get_picture_format(int width, int height); + +/* h263.c, h263dec.c */ int ff_h263_decode_init(AVCodecContext *avctx); -int ff_h263_decode_frame(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, +void h263_encode_mb(MpegEncContext *s, DCTELEM block[6][64], int motion_x, int motion_y); -void mpeg4_encode_mb(MpegEncContext *s, +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); 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, +int16_t *h263_pred_motion(MpegEncContext * s, int block, int dir, int *px, int *py); -void mpeg4_pred_ac(MpegEncContext * s, DCTELEM *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); @@ -850,19 +884,22 @@ 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_init_direct_mv(MpegEncContext *s); int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my); -inline int ff_h263_round_chroma(int x); +int ff_h263_round_chroma(int x); +void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code); /* 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); @@ -877,29 +914,18 @@ void ff_mspel_motion(MpegEncContext *s, 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, +void ff_wmv2_encode_mb(MpegEncContext * s, DCTELEM block[6][64], int motion_x, int motion_y); /* 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); - - -/* 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, const char **const_name, - double (**func1)(void *, double), const char **func1_name, - double (**func2)(void *, double, double), char **func2_name, - void *opaque); -int ff_vbv_update(MpegEncContext *s, int frame_size); - +void ff_mjpeg_stuffing(PutBitContext * pbc); #endif /* AVCODEC_MPEGVIDEO_H */ +