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/*
* Generic DCT based hybrid video encoder |
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* Copyright (c) 2000, 2001, 2002 Fabrice Bellard |
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* Copyright (c) 2002-2004 Michael Niedermayer |
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* |
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* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/
|
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/** |
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* @file libavcodec/mpegvideo.h |
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* mpegvideo header.
*/ |
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|
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#ifndef AVCODEC_MPEGVIDEO_H
#define AVCODEC_MPEGVIDEO_H |
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|
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#include "dsputil.h" |
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#include "bitstream.h" |
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#include "ratecontrol.h" |
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#include "parser.h" |
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#include "mpeg12data.h" |
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#include "rl.h" |
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|
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#define FRAME_SKIPPED 100 ///< return value for header parsers if frame is not coded |
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|
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enum OutputFormat {
FMT_MPEG1, |
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FMT_H261, |
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FMT_H263, |
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FMT_MJPEG, |
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FMT_H264, |
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};
#define MPEG_BUF_SIZE (16 * 1024)
|
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#define QMAT_SHIFT_MMX 16
#define QMAT_SHIFT 22 |
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|
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#define MAX_FCODE 7
#define MAX_MV 2048 |
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|
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#define MAX_THREADS 8
|
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#define MAX_PICTURE_COUNT 32 |
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|
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#define ME_MAP_SIZE 64
#define ME_MAP_SHIFT 3
#define ME_MAP_MV_BITS 11
|
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#define MAX_MB_BYTES (30*16*16*3/8 + 120)
|
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#define INPLACE_OFFSET 16
|
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/* Start codes. */
#define SEQ_END_CODE 0x000001b7
#define SEQ_START_CODE 0x000001b3
#define GOP_START_CODE 0x000001b8
#define PICTURE_START_CODE 0x00000100
#define SLICE_MIN_START_CODE 0x00000101
#define SLICE_MAX_START_CODE 0x000001af
#define EXT_START_CODE 0x000001b5
#define USER_START_CODE 0x000001b2
|
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/**
* Picture.
*/ |
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typedef struct Picture{ |
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FF_COMMON_FRAME |
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|
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/**
* halfpel luma planes.
*/
uint8_t *interpolated[3]; |
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int16_t (*motion_val_base[2])[2]; |
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uint32_t *mb_type_base; |
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#define MB_TYPE_INTRA MB_TYPE_INTRA4x4 //default mb_type if there is just one type |
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#define IS_INTRA4x4(a) ((a)&MB_TYPE_INTRA4x4)
#define IS_INTRA16x16(a) ((a)&MB_TYPE_INTRA16x16) |
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#define IS_PCM(a) ((a)&MB_TYPE_INTRA_PCM)
#define IS_INTRA(a) ((a)&7) |
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#define IS_INTER(a) ((a)&(MB_TYPE_16x16|MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8)) |
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#define IS_SKIP(a) ((a)&MB_TYPE_SKIP) |
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#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) |
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#define IS_GMC(a) ((a)&MB_TYPE_GMC) |
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#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 |
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#define IS_ACPRED(a) ((a)&MB_TYPE_ACPRED)
#define IS_QUANT(a) ((a)&MB_TYPE_QUANT) |
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#define IS_DIR(a, part, list) ((a) & (MB_TYPE_P0L0<<((part)+2*(list)))) |
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#define USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0|MB_TYPE_P1L0)<<(2*(list)))) ///< does this mb use listX, note does not work if subMBs |
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#define HAS_CBP(a) ((a)&MB_TYPE_CBP) |
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int field_poc[2]; ///< h264 top/bottom POC
int poc; ///< h264 frame POC |
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int frame_num; ///< h264 frame_num (raw frame_num from slice header)
int pic_id; /**< h264 pic_num (short -> no wrap version of pic_num,
pic_num & max_pic_num; long -> long_pic_num) */ |
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int long_ref; ///< 1->long term reference 0->short term reference |
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int ref_poc[2][2][16]; ///< h264 POCs of the frames used as reference (FIXME need per slice)
int ref_count[2][2]; ///< number of entries in ref_poc (FIXME need per slice) |
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int mbaff; ///< h264 1 -> MBAFF frame 0-> not MBAFF |
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|
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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 |
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int32_t *mb_cmp_score; ///< Table for MB cmp scores, for mb decision FIXME remove |
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int b_frame_score; /* */ |
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} Picture;
|
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struct MpegEncContext;
|
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/**
* Motion estimation context.
*/ |
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typedef struct MotionEstContext{ |
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AVCodecContext *avctx; |
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int skip; ///< set if ME is skipped for the current MB |
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int co_located_mv[4][2]; ///< mv from last P-frame for direct mode ME |
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int direct_basis_mv[4][2]; |
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uint8_t *scratchpad; ///< data area for the ME algo, so that the ME does not need to malloc/free |
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uint8_t *best_mb;
uint8_t *temp_mb[2];
uint8_t *temp;
int best_bits; |
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uint32_t *map; ///< map to avoid duplicate evaluations
uint32_t *score_map; ///< map to store the scores
int map_generation; |
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int pre_penalty_factor; |
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int penalty_factor; /*!< an estimate of the bits required to
code a given mv value, e.g. (1,0) takes
more bits than (0,0). We have to
estimate whether any reduction in
residual is worth the extra bits. */ |
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int sub_penalty_factor; |
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int mb_penalty_factor; |
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int flags;
int sub_flags;
int mb_flags; |
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int pre_pass; ///< = 1 for the pre pass |
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int dia_size; |
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int xmin;
int xmax;
int ymin;
int ymax; |
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int pred_x;
int pred_y;
uint8_t *src[4][4];
uint8_t *ref[4][4];
int stride;
int uvstride; |
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/* temp variables for picture complexity calculation */
int mc_mb_var_sum_temp;
int mb_var_sum_temp;
int scene_change_score; |
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/* 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]; |
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uint8_t (*mv_penalty)[MAX_MV*2+1]; ///< amount of bits needed to encode a MV |
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uint8_t *current_mv_penalty; |
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int (*sub_motion_search)(struct MpegEncContext * s, |
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int *mx_ptr, int *my_ptr, int dmin, |
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int src_index, int ref_index,
int size, int h); |
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}MotionEstContext;
|
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/**
* MpegEncContext.
*/ |
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typedef struct MpegEncContext { |
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struct AVCodecContext *avctx; |
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/* the following parameters must be initialized before encoding */ |
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int width, height;///< picture size. must be a multiple of 16 |
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int gop_size; |
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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 |
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int pb_frame; ///< PB frame mode (0 = none, 1 = base, 2 = improved) |
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/* the following codec id fields are deprecated in favor of codec_id */ |
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int h263_plus; ///< h263 plus headers |
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int h263_msmpeg4; ///< generate MSMPEG4 compatible stream (deprecated, use msmpeg4_version instead) |
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int h263_flv; ///< use flv h263 header
|
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enum CodecID codec_id; /* see CODEC_ID_xxx */ |
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int fixed_qscale; ///< fixed qscale if non zero
int encoding; ///< true if we are encoding (vs decoding)
int flags; ///< AVCodecContext.flags (HQ, MV4, ...) |
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int flags2; ///< AVCodecContext.flags2 |
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int max_b_frames; ///< max number of b-frames for encoding |
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int luma_elim_threshold;
int chroma_elim_threshold; |
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int strict_std_compliance; ///< strictly follow the std (MPEG4, ...)
int workaround_bugs; ///< workaround bugs in encoders which cannot be detected automatically |
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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 |
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/* the following fields are managed internally by the encoder */
|
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/** bit output */ |
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PutBitContext pb;
/* sequence parameters */
int context_initialized; |
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int input_picture_number; ///< used to set pic->display_picture_number, should not be used for/by anything else
int coded_picture_number; ///< used to set pic->coded_picture_number, should not be used for/by anything else |
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int picture_number; //FIXME remove, unclear definition |
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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 |
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int64_t user_specified_pts;///< last non zero pts from AVFrame which was passed into avcodec_encode_video() |
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int mb_width, mb_height; ///< number of MBs horizontally & vertically |
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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) |
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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 |
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Picture **input_picture; ///< next pictures on display order for encoding
Picture **reordered_input_picture; ///< pointer to the next pictures in codedorder for encoding |
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|
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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]; |
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/** |
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* copy of the previous picture structure.
* note, linesize & data, might not match the previous picture (for field pictures)
*/ |
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Picture last_picture;
/** |
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* copy of the next picture structure.
* note, linesize & data, might not match the next picture (for field pictures)
*/
Picture next_picture; |
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/** |
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* copy of the source picture structure for encoding.
* note, linesize & data, might not match the source picture (for field pictures)
*/
Picture new_picture; |
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/** |
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* copy of the current picture structure.
* note, linesize & data, might not match the current picture (for field pictures)
*/ |
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Picture current_picture; ///< buffer to store the decompressed current picture
|
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Picture *last_picture_ptr; ///< pointer to the previous picture. |
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Picture *next_picture_ptr; ///< pointer to the next picture (for bidir pred) |
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Picture *current_picture_ptr; ///< pointer to the current picture |
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uint8_t *visualization_buffer[3]; //< temporary buffer vor MV visualization |
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int last_dc[3]; ///< last DC values for MPEG1 |
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int16_t *dc_val_base;
int16_t *dc_val[3]; ///< used for mpeg4 DC prediction, all 3 arrays must be continuous |
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int16_t dc_cache[4*5]; |
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int y_dc_scale, c_dc_scale; |
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const uint8_t *y_dc_scale_table; ///< qscale -> y_dc_scale table
const uint8_t *c_dc_scale_table; ///< qscale -> c_dc_scale table |
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const uint8_t *chroma_qscale_table; ///< qscale -> chroma_qscale (h263) |
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uint8_t *coded_block_base; |
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uint8_t *coded_block; ///< used for coded block pattern prediction (msmpeg4v3, wmv1) |
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int16_t (*ac_val_base)[16]; |
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int16_t (*ac_val[3])[16]; ///< used for for mpeg4 AC prediction, all 3 arrays must be continuous |
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int ac_pred; |
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uint8_t *prev_pict_types; ///< previous picture types in bitstream order, used for mb skip |
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#define PREV_PICT_TYPES_BUFFER_SIZE 256 |
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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) |
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and used for b-frame encoding & decoding (contains skip table of next P Frame) */ |
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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 |
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uint8_t *allocated_edge_emu_buffer; |
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uint8_t *edge_emu_buffer; ///< points into the middle of allocated_edge_emu_buffer |
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uint8_t *rd_scratchpad; ///< scratchpad for rate distortion mb decision |
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uint8_t *obmc_scratchpad;
uint8_t *b_scratchpad; ///< scratchpad used for writing into write only buffers |
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|
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int qscale; ///< QP
int chroma_qscale; ///< chroma QP |
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unsigned int lambda; ///< lagrange multipler used in rate distortion
unsigned int lambda2; ///< (lambda*lambda) >> FF_LAMBDA_SHIFT |
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int *lambda_table; |
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int adaptive_quant; ///< use adaptive quantization
int dquant; ///< qscale difference to prev qscale |
9701840b |
int pict_type; ///< FF_I_TYPE, FF_P_TYPE, FF_B_TYPE, ... |
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int last_pict_type; //FIXME removes |
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int last_non_b_pict_type; ///< used for mpeg4 gmc b-frames & ratecontrol |
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int dropable; |
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int frame_rate_index; |
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int last_lambda_for[5]; ///< last lambda for a specific pict type |
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int skipdct; ///< skip dct and code zero residual |
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|
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/* motion compensation */ |
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int unrestricted_mv; ///< mv can point outside of the coded picture
int h263_long_vectors; ///< use horrible h263v1 long vector mode |
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int decode; ///< if 0 then decoding will be skipped (for encoding b frames for example) |
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|
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DSPContext dsp; ///< pointers for accelerated dsp functions |
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int f_code; ///< forward MV resolution
int b_code; ///< backward MV resolution for B Frames (mpeg4) |
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int16_t (*p_mv_table_base)[2];
int16_t (*b_forw_mv_table_base)[2];
int16_t (*b_back_mv_table_base)[2]; |
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int16_t (*b_bidir_forw_mv_table_base)[2];
int16_t (*b_bidir_back_mv_table_base)[2]; |
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int16_t (*b_direct_mv_table_base)[2]; |
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int16_t (*p_field_mv_table_base[2][2])[2];
int16_t (*b_field_mv_table_base[2][2][2])[2]; |
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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 |
bb198e19 |
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]); |
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int me_method; ///< ME algorithm |
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int mv_dir; |
653f7387 |
#define MV_DIR_FORWARD 1
#define MV_DIR_BACKWARD 2 |
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#define MV_DIRECT 4 ///< bidirectional mode where the difference equals the MV of the last P/S/I-Frame (mpeg4) |
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int mv_type; |
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#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 |
de6d9b64 |
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]; |
115329f1 |
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 |
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int16_t direct_scale_mv[2][64]; ///< precomputed to avoid divisions in ff_mpeg4_set_direct_mv |
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|
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MotionEstContext me; |
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|
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int no_rounding; /**< apply no rounding to motion compensation (MPEG4, msmpeg4, ...) |
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for b-frames rounding mode is always 0 */ |
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|
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int hurry_up; /**< when set to 1 during decoding, b frames will be skipped |
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when set to 2 idct/dequant will be skipped too */ |
115329f1 |
|
de6d9b64 |
/* macroblock layer */
int mb_x, mb_y; |
9b8709d1 |
int mb_skip_run; |
de6d9b64 |
int mb_intra; |
bb198e19 |
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 |
160d679c |
#define CANDIDATE_MB_TYPE_SKIPPED 0x08 |
7bc9090a |
//#define MB_TYPE_GMC 0x10 |
7f2fe444 |
|
bb198e19 |
#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 |
4278e7a6 |
|
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#define CANDIDATE_MB_TYPE_DIRECT0 0x1000
|
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int block_index[6]; ///< index to current MB in block based arrays with edges |
4278e7a6 |
int block_wrap[6]; |
7d1c3fc1 |
uint8_t *dest[3]; |
115329f1 |
|
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int *mb_index2xy; ///< mb_index -> mb_x + mb_y*mb_stride |
4278e7a6 |
|
277f4827 |
/** matrix transmitted in the bitstream */ |
0c1a9eda |
uint16_t intra_matrix[64];
uint16_t chroma_intra_matrix[64];
uint16_t inter_matrix[64];
uint16_t chroma_inter_matrix[64]; |
1984f635 |
#define QUANT_BIAS_SHIFT 8 |
115329f1 |
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 |
477ab036 |
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; |
67725183 |
uint8_t *luma_dc_vlc_length;
uint8_t *chroma_dc_vlc_length; |
c442d75c |
#define UNI_AC_ENC_INDEX(run,level) ((run)*128 + (level)) |
477ab036 |
|
2d974017 |
int coded_score[8]; |
f2f6134b |
|
277f4827 |
/** precomputed matrix (combine qscale and DCT renorm) */ |
7e4995c3 |
int (*q_intra_matrix)[64];
int (*q_inter_matrix)[64]; |
642ccefb |
/** 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]; |
5e5c247a |
int block_last_index[12]; ///< last non zero coefficient in block |
2ad1516a |
/* scantables */ |
68b51e58 |
DECLARE_ALIGNED_8(ScanTable, intra_scantable); |
2ad1516a |
ScanTable intra_h_scantable;
ScanTable intra_v_scantable; |
277f4827 |
ScanTable inter_scantable; ///< if inter == intra then intra should be used to reduce tha cache usage |
115329f1 |
|
821cb11f |
/* noise reduction */
int (*dct_error_sum)[64];
int dct_count[2];
uint16_t (*dct_offset)[64]; |
de6d9b64 |
|
277f4827 |
void *opaque; ///< private data for the user |
de6d9b64 |
/* bit rate control */ |
0c1a9eda |
int64_t wanted_bits;
int64_t total_bits; |
115329f1 |
int frame_bits; ///< bits used for the current frame |
07506002 |
int next_lambda; ///< next lambda used for retrying to encode a frame |
277f4827 |
RateControlContext rc_context; ///< contains stuff only accessed in ratecontrol.c |
9cdd6a24 |
|
098eefe1 |
/* statistics, used for 2-pass encoding */
int mv_bits;
int header_bits;
int i_tex_bits;
int p_tex_bits;
int i_count; |
66370d3f |
int f_count;
int b_count; |
098eefe1 |
int skip_count; |
277f4827 |
int misc_bits; ///< cbp, mb_type
int last_bits; ///< temp var used for calculating the above vars |
115329f1 |
|
7f2fe444 |
/* error concealment / resync */ |
7bc9090a |
int error_count; |
115329f1 |
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 |
4d2858de |
#define AC_ERROR 2
#define DC_ERROR 4
#define MV_ERROR 8
#define AC_END 16
#define DC_END 32
#define MV_END 64
//FIXME some prefix? |
115329f1 |
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 |
277f4827 |
int mb_num_left; ///< number of MBs left in this video packet (for partitioned Slices only) |
115329f1 |
int next_p_frame_damaged; ///< set if the next p frame is damaged, to avoid showing trashed b frames |
047599a4 |
int error_recognition; |
115329f1 |
|
d7425f59 |
ParseContext parse_context; |
098eefe1 |
|
102d3908 |
/* H.263 specific */ |
644d98a4 |
int gob_index; |
dba019da |
int obmc; ///< overlapped block motion compensation |
9f0a705d |
int showed_packed_warning; ///< flag for having shown the warning about divxs invalid b frames |
115329f1 |
|
544286b3 |
/* H.263+ specific */ |
115329f1 |
int umvplus; ///< == H263+ && unrestricted_mv
int h263_aic; ///< Advanded INTRA Coding (AIC) |
ba58dabc |
int h263_aic_dir; ///< AIC direction: 0 = left, 1 = top
int h263_slice_structured; |
dba019da |
int alt_inter_vlc; ///< alternative inter vlc |
68b94c35 |
int modified_quant; |
115329f1 |
int loop_filter; |
b056e73c |
int custom_pcf; |
115329f1 |
|
de6d9b64 |
/* mpeg4 specific */ |
115329f1 |
int time_increment_bits; ///< number of bits to represent the fractional part of time |
9dbcbd92 |
int last_time_base; |
115329f1 |
int time_base; ///< time in seconds of last I,P,S Frame
int64_t time; ///< time of current frame |
0c1a9eda |
int64_t last_non_b_time; |
115329f1 |
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 |
0c1a9eda |
uint16_t pp_field_time; |
115329f1 |
uint16_t pb_field_time; ///< like above, just for interlaced |
1a565432 |
int shape;
int vol_sprite_usage; |
cc9ba006 |
int sprite_width;
int sprite_height;
int sprite_left;
int sprite_top;
int sprite_brightness_change; |
73c8e514 |
int num_sprite_warping_points; |
44eb4951 |
int real_sprite_warping_points; |
115329f1 |
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] |
73c8e514 |
int mcsel; |
1a565432 |
int quant_precision; |
115329f1 |
int quarter_sample; ///< 1->qpel, 0->half pel ME/MC |
cc9ba006 |
int scalability; |
0fd90455 |
int hierachy_type;
int enhancement_type; |
cc9ba006 |
int new_pred;
int reduced_res_vop; |
0da71265 |
int aspect_ratio_info; //FIXME remove |
cc9ba006 |
int sprite_warping_accuracy;
int low_latency_sprite; |
115329f1 |
int data_partitioning; ///< data partitioning flag from header
int partitioned_frame; ///< is current frame partitioned
int rvlc; ///< reversible vlc |
277f4827 |
int resync_marker; ///< could this stream contain resync markers |
115329f1 |
int low_delay; ///< no reordering needed / has no b-frames |
1ff662cc |
int vo_type; |
115329f1 |
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 |
7f12a978 |
int use_intra_dc_vlc; |
115329f1 |
PutBitContext tex_pb; ///< used for data partitioned VOPs
PutBitContext pb2; ///< used for data partitioned VOPs |
d930ef19 |
int mpeg_quant; |
115329f1 |
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 |
289e8fd0 |
int cplx_estimation_trash_i;
int cplx_estimation_trash_p;
int cplx_estimation_trash_b; |
44eb4951 |
/* divx specific, used to workaround (many) bugs in divx5 */
int divx_version;
int divx_build; |
d5a21172 |
int divx_packed; |
0c1a9eda |
uint8_t *bitstream_buffer; //Divx 5.01 puts several frames in a single one, this is used to reorder them |
eec1c6b9 |
int bitstream_buffer_size; |
f038fe8b |
unsigned int allocated_bitstream_buffer_size; |
115329f1 |
|
7da71a5c |
int xvid_build; |
115329f1 |
|
4d2858de |
/* lavc specific stuff, used to workaround bugs in libavcodec */
int lavc_build; |
115329f1 |
|
de6d9b64 |
/* RV10 specific */ |
115329f1 |
int rv10_version; ///< RV10 version: 0 or 3 |
de6d9b64 |
int rv10_first_dc_coded[3]; |
115329f1 |
|
de6d9b64 |
/* MJPEG specific */
struct MJpegContext *mjpeg_ctx; |
115329f1 |
int mjpeg_vsample[3]; ///< vertical sampling factors, default = {2, 1, 1}
int mjpeg_hsample[3]; ///< horizontal sampling factors, default = {2, 1, 1} |
de6d9b64 |
/* MSMPEG4 specific */
int mv_table_index;
int rl_table_index;
int rl_chroma_table_index;
int dc_table_index;
int use_skip_mb_code; |
115329f1 |
int slice_height; ///< in macroblocks
int first_slice_line; ///< used in mpeg4 too to handle resync markers |
ae40484c |
int flipflop_rounding; |
277f4827 |
int msmpeg4_version; ///< 0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8 |
0151a6f5 |
int per_mb_rl_table;
int esc3_level_length;
int esc3_run_length; |
277f4827 |
/** [mb_intra][isChroma][level][run][last] */ |
6b460aa3 |
int (*ac_stats)[2][MAX_LEVEL+1][MAX_RUN+1][2]; |
de0f2f4c |
int inter_intra_pred; |
1457ab52 |
int mspel; |
0151a6f5 |
|
de6d9b64 |
/* decompression specific */
GetBitContext gb;
|
1e491e29 |
/* Mpeg1 specific */ |
115329f1 |
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 |
0da71265 |
int broken_link; ///< no_output_of_prior_pics_flag |
115329f1 |
uint8_t *vbv_delay_ptr; ///< pointer to vbv_delay in the bitstream
|
7eb2d654 |
/* MPEG-2-specific - I wished not to have to support this mess. */ |
de6d9b64 |
int progressive_sequence;
int mpeg_f_code[2][2];
int picture_structure;
/* picture type */
#define PICT_TOP_FIELD 1
#define PICT_BOTTOM_FIELD 2
#define PICT_FRAME 3
int intra_dc_precision;
int frame_pred_frame_dct;
int top_field_first;
int concealment_motion_vectors;
int q_scale_type;
int intra_vlc_format;
int alternate_scan;
int repeat_first_field;
int chroma_420_type; |
5e5c247a |
int chroma_format;
#define CHROMA_420 1
#define CHROMA_422 2
#define CHROMA_444 3 |
ffdff4d7 |
int chroma_x_shift;//depend on pix_format, that depend on chroma_format
int chroma_y_shift; |
5e5c247a |
|
de6d9b64 |
int progressive_frame;
int full_pel[2];
int interlaced_dct;
int first_slice; |
c3bf0288 |
int first_field; ///< is 1 for the first field of a field picture 0 otherwise |
ba58dabc |
|
644d98a4 |
/* RTP specific */ |
e4eadb4b |
int rtp_mode; |
115329f1 |
|
0c1a9eda |
uint8_t *ptr_lastgob; |
7eb2d654 |
int swap_uv; //vcr2 codec is an MPEG-2 variant with U and V swapped |
21effaa4 |
DCTELEM (*pblocks[12])[64]; |
115329f1 |
DCTELEM (*block)[64]; ///< points to one of the following blocks |
702497f8 |
DCTELEM (*blocks)[8][64]; // for HQ mode we need to keep the best block |
4d2858de |
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 |
c3bf0288 |
#define SLICE_END -2 ///<end marker found
#define SLICE_NOEND -3 ///<no end marker or error found but mb count exceeded |
115329f1 |
void (*dct_unquantize_mpeg1_intra)(struct MpegEncContext *s, |
67309e49 |
DCTELEM *block/*align 16*/, int n, int qscale); |
115329f1 |
void (*dct_unquantize_mpeg1_inter)(struct MpegEncContext *s, |
67309e49 |
DCTELEM *block/*align 16*/, int n, int qscale); |
115329f1 |
void (*dct_unquantize_mpeg2_intra)(struct MpegEncContext *s, |
67309e49 |
DCTELEM *block/*align 16*/, int n, int qscale); |
115329f1 |
void (*dct_unquantize_mpeg2_inter)(struct MpegEncContext *s, |
d50635cd |
DCTELEM *block/*align 16*/, int n, int qscale); |
115329f1 |
void (*dct_unquantize_h263_intra)(struct MpegEncContext *s, |
d50635cd |
DCTELEM *block/*align 16*/, int n, int qscale); |
115329f1 |
void (*dct_unquantize_h263_inter)(struct MpegEncContext *s, |
d50635cd |
DCTELEM *block/*align 16*/, int n, int qscale); |
115329f1 |
void (*dct_unquantize_h261_intra)(struct MpegEncContext *s, |
c6148de2 |
DCTELEM *block/*align 16*/, int n, int qscale); |
115329f1 |
void (*dct_unquantize_h261_inter)(struct MpegEncContext *s, |
c6148de2 |
DCTELEM *block/*align 16*/, int n, int qscale); |
d50635cd |
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) |
67309e49 |
DCTELEM *block/*align 16*/, int n, int qscale);
int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow); |
3a87ac94 |
int (*fast_dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow); |
783df5f3 |
void (*denoise_dct)(struct MpegEncContext *s, DCTELEM *block); |
de6d9b64 |
} MpegEncContext;
|
4d2858de |
|
3edcacde |
void MPV_decode_defaults(MpegEncContext *s); |
de6d9b64 |
int MPV_common_init(MpegEncContext *s);
void MPV_common_end(MpegEncContext *s); |
ffdff4d7 |
void MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64]); |
d6db1c9c |
int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx); |
de6d9b64 |
void MPV_frame_end(MpegEncContext *s); |
1457ab52 |
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); |
21af69f7 |
void MPV_common_init_mmx(MpegEncContext *s); |
e0580f8c |
void MPV_common_init_axp(MpegEncContext *s); |
c7e07931 |
void MPV_common_init_mlib(MpegEncContext *s); |
5917d17c |
void MPV_common_init_mmi(MpegEncContext *s); |
a2fc0f6a |
void MPV_common_init_arm(MpegEncContext *s); |
30c23dc0 |
void MPV_common_init_altivec(MpegEncContext *s); |
7f2fe444 |
void ff_clean_intra_table_entries(MpegEncContext *s); |
640950c7 |
void ff_draw_horiz_band(MpegEncContext *s, int y, int h); |
7a06ff14 |
void ff_mpeg_flush(AVCodecContext *avctx); |
0c9bbaec |
void ff_print_debug_info(MpegEncContext *s, AVFrame *pict); |
191e8ca7 |
void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix); |
5f194811 |
int ff_find_unused_picture(MpegEncContext *s, int shared); |
821cb11f |
void ff_denoise_dct(MpegEncContext *s, DCTELEM *block); |
c62c07d3 |
void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src); |
82fcbc14 |
const uint8_t *ff_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state); |
59b571c1 |
|
46b4feec |
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);
|
6180ade7 |
int ff_dct_common_init(MpegEncContext *s); |
69cea75f |
void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra); |
46b4feec |
|
7d1c3fc1 |
void ff_init_block_index(MpegEncContext *s); |
8d2fc163 |
void ff_copy_picture(Picture *dst, Picture *src); |
4d2858de |
|
09a9b45e |
extern const enum PixelFormat ff_pixfmt_list_420[]; |
044f0296 |
extern const enum PixelFormat ff_hwaccel_pixfmt_list_420[]; |
09a9b45e |
|
4d2858de |
static inline void ff_update_block_index(MpegEncContext *s){ |
178fcca8 |
const int block_size= 8>>s->avctx->lowres;
|
4d2858de |
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]++; |
178fcca8 |
s->dest[0]+= 2*block_size;
s->dest[1]+= block_size;
s->dest[2]+= block_size; |
4d2858de |
}
|
4d2a4834 |
static inline int get_bits_diff(MpegEncContext *s){ |
fe455f33 |
const int bits= put_bits_count(&s->pb); |
4d2a4834 |
const int last= s->last_bits;
s->last_bits = bits;
return bits - last;
} |
4d2858de |
|
00f0564f |
static inline int ff_h263_round_chroma(int x){
static const uint8_t h263_chroma_roundtab[16] = {
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
c3d0c11b |
0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, |
00f0564f |
}; |
c3d0c11b |
return h263_chroma_roundtab[x & 0xf] + (x >> 3); |
00f0564f |
}
|
de6d9b64 |
/* motion_est.c */ |
9dbcbd92 |
void ff_estimate_p_frame_motion(MpegEncContext * s,
int mb_x, int mb_y);
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); |
bb198e19 |
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); |
c192426f |
int ff_init_me(MpegEncContext *s); |
f5fb6b34 |
int ff_pre_estimate_p_frame_motion(MpegEncContext * s, int mb_x, int mb_y); |
4bdd3b76 |
int ff_epzs_motion_search(MpegEncContext * s, int *mx_ptr, int *my_ptr, |
115329f1 |
int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2],
int ref_mv_scale, int size, int h); |
4bdd3b76 |
int ff_get_mb_score(MpegEncContext * s, int mx, int my, int src_index, |
155ec6ed |
int ref_index, int size, int h, int add_rate); |
4d2858de |
|
de6d9b64 |
/* mpeg12.c */ |
c26ae41d |
extern const uint8_t ff_mpeg1_dc_scale_table[128]; |
de6d9b64 |
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); |
0151a6f5 |
void ff_mpeg1_encode_init(MpegEncContext *s); |
9b8709d1 |
void ff_mpeg1_encode_slice_header(MpegEncContext *s);
void ff_mpeg1_clean_buffers(MpegEncContext *s); |
95dca03f |
int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size); |
de6d9b64 |
|
c26ae41d |
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]; |
0c1a9eda |
extern const int16_t ff_mpeg4_default_intra_matrix[64];
extern const int16_t ff_mpeg4_default_non_intra_matrix[64]; |
332f9ac4 |
extern const uint8_t ff_h263_chroma_qscale_table[32];
extern const uint8_t ff_h263_loop_filter_strength[32]; |
68b94c35 |
|
5f6c92d4 |
/* h261.c */
void ff_h261_loop_filter(MpegEncContext *s); |
1c3990db |
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); |
a57d13b7 |
int ff_h261_get_picture_format(int width, int height); |
5f6c92d4 |
|
554daa24 |
|
e96682e6 |
/* h263.c, h263dec.c */ |
1457ab52 |
int ff_h263_decode_init(AVCodecContext *avctx); |
115329f1 |
int ff_h263_decode_frame(AVCodecContext *avctx, |
1457ab52 |
void *data, int *data_size, |
fbdad670 |
const uint8_t *buf, int buf_size); |
1457ab52 |
int ff_h263_decode_end(AVCodecContext *avctx); |
115329f1 |
void h263_encode_mb(MpegEncContext *s, |
de6d9b64 |
DCTELEM block[6][64],
int motion_x, int motion_y); |
115329f1 |
void mpeg4_encode_mb(MpegEncContext *s, |
d6231b9e |
DCTELEM block[6][64],
int motion_x, int motion_y); |
de6d9b64 |
void h263_encode_picture_header(MpegEncContext *s, int picture_number); |
44a2950f |
void ff_flv_encode_picture_header(MpegEncContext *s, int picture_number); |
ba58dabc |
void h263_encode_gob_header(MpegEncContext * s, int mb_line); |
137c8468 |
int16_t *h263_pred_motion(MpegEncContext * s, int block, int dir, |
de6d9b64 |
int *px, int *py); |
115329f1 |
void mpeg4_pred_ac(MpegEncContext * s, DCTELEM *block, int n, |
de6d9b64 |
int dir); |
7da31a80 |
void ff_set_mpeg4_time(MpegEncContext * s); |
de6d9b64 |
void mpeg4_encode_picture_header(MpegEncContext *s, int picture_number); |
45870f57 |
void h263_encode_init(MpegEncContext *s); |
de6d9b64 |
void h263_decode_init_vlc(MpegEncContext *s);
int h263_decode_picture_header(MpegEncContext *s); |
4d2858de |
int ff_h263_decode_gob_header(MpegEncContext *s); |
b704e742 |
int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb); |
7d1c3fc1 |
void ff_h263_update_motion_val(MpegEncContext * s); |
cdb4e730 |
void ff_h263_loop_filter(MpegEncContext * s); |
554daa24 |
void ff_set_qscale(MpegEncContext * s, int qscale); |
ba58dabc |
int ff_h263_decode_mba(MpegEncContext *s);
void ff_h263_encode_mba(MpegEncContext *s); |
b704e742 |
|
de6d9b64 |
int intel_h263_decode_picture_header(MpegEncContext *s); |
d4f5d74a |
int flv_h263_decode_picture_header(MpegEncContext *s); |
4d2858de |
int ff_h263_decode_mb(MpegEncContext *s,
DCTELEM block[6][64]); |
fcfee63b |
int ff_mpeg4_decode_mb(MpegEncContext *s,
DCTELEM block[6][64]); |
de6d9b64 |
int h263_get_picture_format(int width, int height); |
7f2fe444 |
void ff_mpeg4_encode_video_packet_header(MpegEncContext *s);
void ff_mpeg4_clean_buffers(MpegEncContext *s);
void ff_mpeg4_stuffing(PutBitContext * pbc);
void ff_mpeg4_init_partitions(MpegEncContext *s);
void ff_mpeg4_merge_partitions(MpegEncContext *s); |
c5d309f2 |
void ff_clean_mpeg4_qscales(MpegEncContext *s); |
9e4c6948 |
void ff_clean_h263_qscales(MpegEncContext *s); |
4d2858de |
int ff_mpeg4_decode_partitions(MpegEncContext *s);
int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s);
int ff_h263_resync(MpegEncContext *s); |
ee3e3631 |
const uint8_t *ff_h263_find_resync_marker(const uint8_t *p, const uint8_t *end); |
4d2858de |
int ff_h263_get_gob_height(MpegEncContext *s); |
158256a1 |
void ff_mpeg4_init_direct_mv(MpegEncContext *s); |
7bc9090a |
int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my); |
5e13a730 |
void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code); |
4d2858de |
|
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/* rv10.c */
void rv10_encode_picture_header(MpegEncContext *s, int picture_number);
int rv_decode_dc(MpegEncContext *s, int n); |
d0271e8a |
void rv20_encode_picture_header(MpegEncContext *s, int picture_number); |
de6d9b64 |
|
4d2858de |
|
de6d9b64 |
/* msmpeg4.c */
void msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number); |
ae40484c |
void msmpeg4_encode_ext_header(MpegEncContext * s); |
115329f1 |
void msmpeg4_encode_mb(MpegEncContext * s, |
de6d9b64 |
DCTELEM block[6][64],
int motion_x, int motion_y);
int msmpeg4_decode_picture_header(MpegEncContext * s); |
ae40484c |
int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size); |
0151a6f5 |
int ff_msmpeg4_decode_init(MpegEncContext *s);
void ff_msmpeg4_encode_init(MpegEncContext *s); |
1457ab52 |
int ff_wmv2_decode_picture_header(MpegEncContext * s); |
b1609412 |
int ff_wmv2_decode_secondary_picture_header(MpegEncContext * s); |
1457ab52 |
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, |
0c1a9eda |
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
uint8_t **ref_picture, op_pixels_func (*pix_op)[4], |
1457ab52 |
int motion_x, int motion_y, int h);
int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number); |
115329f1 |
void ff_wmv2_encode_mb(MpegEncContext * s, |
1457ab52 |
DCTELEM block[6][64],
int motion_x, int motion_y); |
de6d9b64 |
|
98790382 |
#endif /* AVCODEC_MPEGVIDEO_H */ |
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