#ifndef AVCODEC_MPEGVIDEO_H
#define AVCODEC_MPEGVIDEO_H
+#include <float.h>
+
#include "avcodec.h"
-#include "dsputil.h"
+#include "blockdsp.h"
+#include "error_resilience.h"
+#include "fdctdsp.h"
#include "get_bits.h"
+#include "h263dsp.h"
+#include "hpeldsp.h"
+#include "idctdsp.h"
+#include "internal.h"
+#include "me_cmp.h"
+#include "motion_est.h"
+#include "mpegpicture.h"
+#include "mpegvideodsp.h"
+#include "mpegvideoencdsp.h"
+#include "pixblockdsp.h"
#include "put_bits.h"
#include "ratecontrol.h"
#include "parser.h"
+#include "mpegutils.h"
#include "mpeg12data.h"
-#include "rl.h"
+#include "qpeldsp.h"
+#include "thread.h"
+#include "videodsp.h"
#include "libavutil/opt.h"
#define FRAME_SKIPPED 100 ///< return value for header parsers if frame is not coded
-enum OutputFormat {
- FMT_MPEG1,
- FMT_H261,
- FMT_H263,
- FMT_MJPEG,
- FMT_H264,
-};
-
-#define MPEG_BUF_SIZE (16 * 1024)
-
-#define QMAT_SHIFT_MMX 16
-#define QMAT_SHIFT 22
-
#define MAX_FCODE 7
-#define MAX_MV 2048
#define MAX_THREADS 16
-#define MAX_PICTURE_COUNT 32
+#define MAX_B_FRAMES 16
#define ME_MAP_SIZE 64
-#define ME_MAP_SHIFT 3
-#define ME_MAP_MV_BITS 11
#define MAX_MB_BYTES (30*16*16*3/8 + 120)
#define EXT_START_CODE 0x000001b5
#define USER_START_CODE 0x000001b2
-struct MpegEncContext;
-
-/**
- * Picture.
- */
-typedef struct Picture{
- struct AVFrame f;
-
- /**
- * halfpel luma planes.
- */
- uint8_t *interpolated[3];
- int8_t *qscale_table_base;
- int16_t (*motion_val_base[2])[2];
- uint32_t *mb_type_base;
-#define MB_TYPE_INTRA MB_TYPE_INTRA4x4 //default mb_type if there is just one type
-#define IS_INTRA4x4(a) ((a)&MB_TYPE_INTRA4x4)
-#define IS_INTRA16x16(a) ((a)&MB_TYPE_INTRA16x16)
-#define IS_PCM(a) ((a)&MB_TYPE_INTRA_PCM)
-#define IS_INTRA(a) ((a)&7)
-#define IS_INTER(a) ((a)&(MB_TYPE_16x16|MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8))
-#define IS_SKIP(a) ((a)&MB_TYPE_SKIP)
-#define IS_INTRA_PCM(a) ((a)&MB_TYPE_INTRA_PCM)
-#define IS_INTERLACED(a) ((a)&MB_TYPE_INTERLACED)
-#define IS_DIRECT(a) ((a)&MB_TYPE_DIRECT2)
-#define IS_GMC(a) ((a)&MB_TYPE_GMC)
-#define IS_16X16(a) ((a)&MB_TYPE_16x16)
-#define IS_16X8(a) ((a)&MB_TYPE_16x8)
-#define IS_8X16(a) ((a)&MB_TYPE_8x16)
-#define IS_8X8(a) ((a)&MB_TYPE_8x8)
-#define IS_SUB_8X8(a) ((a)&MB_TYPE_16x16) //note reused
-#define IS_SUB_8X4(a) ((a)&MB_TYPE_16x8) //note reused
-#define IS_SUB_4X8(a) ((a)&MB_TYPE_8x16) //note reused
-#define IS_SUB_4X4(a) ((a)&MB_TYPE_8x8) //note reused
-#define IS_ACPRED(a) ((a)&MB_TYPE_ACPRED)
-#define IS_QUANT(a) ((a)&MB_TYPE_QUANT)
-#define IS_DIR(a, part, list) ((a) & (MB_TYPE_P0L0<<((part)+2*(list))))
-#define USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0|MB_TYPE_P1L0)<<(2*(list)))) ///< does this mb use listX, note does not work if subMBs
-#define HAS_CBP(a) ((a)&MB_TYPE_CBP)
-
- int field_poc[2]; ///< h264 top/bottom POC
- int poc; ///< h264 frame POC
- int frame_num; ///< h264 frame_num (raw frame_num from slice header)
- int mmco_reset; ///< h264 MMCO_RESET set this 1. Reordering code must not mix pictures before and after MMCO_RESET.
- int pic_id; /**< h264 pic_num (short -> no wrap version of pic_num,
- pic_num & max_pic_num; long -> long_pic_num) */
- int long_ref; ///< 1->long term reference 0->short term reference
- int ref_poc[2][2][32]; ///< 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)
- int mbaff; ///< h264 1 -> MBAFF frame 0-> not MBAFF
- int field_picture; ///< whether or not the picture was encoded in separate fields
-
- 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; /* */
- struct MpegEncContext *owner2; ///< pointer to the MpegEncContext that allocated this picture
-} Picture;
-
-/**
- * Motion estimation context.
- */
-typedef struct MotionEstContext{
- AVCodecContext *avctx;
- int skip; ///< set if ME is skipped for the current MB
- int co_located_mv[4][2]; ///< mv from last P-frame for direct mode ME
- int direct_basis_mv[4][2];
- uint8_t *scratchpad; ///< data area for the ME algo, so that the ME does not 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
- unsigned map_generation;
- int pre_penalty_factor;
- 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. */
- int sub_penalty_factor;
- int mb_penalty_factor;
- int flags;
- int sub_flags;
- int mb_flags;
- int pre_pass; ///< = 1 for the pre pass
- int dia_size;
- int xmin;
- int xmax;
- int ymin;
- int ymax;
- int pred_x;
- int pred_y;
- uint8_t *src[4][4];
- uint8_t *ref[4][4];
- int stride;
- int uvstride;
- /* temp variables for picture complexity calculation */
- int mc_mb_var_sum_temp;
- int mb_var_sum_temp;
- int scene_change_score;
-/* cmp, chroma_cmp;*/
- op_pixels_func (*hpel_put)[4];
- op_pixels_func (*hpel_avg)[4];
- qpel_mc_func (*qpel_put)[16];
- qpel_mc_func (*qpel_avg)[16];
- uint8_t (*mv_penalty)[MAX_MV*2+1]; ///< amount of bits needed to encode a MV
- uint8_t *current_mv_penalty;
- int (*sub_motion_search)(struct MpegEncContext * s,
- int *mx_ptr, int *my_ptr, int dmin,
- int src_index, int ref_index,
- int size, int h);
-}MotionEstContext;
-
/**
* MpegEncContext.
*/
typedef struct MpegEncContext {
AVClass *class;
+
+ int y_dc_scale, c_dc_scale;
+ int ac_pred;
+ int block_last_index[12]; ///< last non zero coefficient in block
+ int h263_aic; ///< Advanded INTRA Coding (AIC)
+
+ /* scantables */
+ ScanTable inter_scantable; ///< if inter == intra then intra should be used to reduce tha cache usage
+ ScanTable intra_scantable;
+ ScanTable intra_h_scantable;
+ ScanTable intra_v_scantable;
+
+ /* WARNING: changes above this line require updates to hardcoded
+ * offsets used in asm. */
+
struct AVCodecContext *avctx;
/* the following parameters must be initialized before encoding */
int width, height;///< picture size. must be a multiple of 16
int h263_plus; ///< h263 plus headers
int h263_flv; ///< use flv h263 header
- enum CodecID codec_id; /* see CODEC_ID_xxx */
+ enum AVCodecID codec_id; /* see AV_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 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 */
/* sequence parameters */
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
+ ptrdiff_t linesize; ///< line size, in bytes, may be different from width
+ ptrdiff_t 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 y_dc_scale, c_dc_scale;
- int ac_pred;
- int block_last_index[12]; ///< last non zero coefficient in block
- int h263_aic; ///< Advanded INTRA Coding (AIC)
-
- /* scantables */
- ScanTable inter_scantable; ///< if inter == intra then intra should be used to reduce tha cache usage
- ScanTable intra_scantable;
- ScanTable intra_h_scantable;
- ScanTable intra_v_scantable;
-
- /* WARNING: changes above this line require updates to hardcoded
- * offsets used in asm. */
-
- int64_t user_specified_pts;///< last non zero pts from AVFrame which was passed into avcodec_encode_video()
+ int64_t user_specified_pts; ///< last non-zero pts from AVFrame which was passed into avcodec_encode_video2()
/**
* pts difference between the first and second input frame, used for
* calculating dts of the first frame when there's a delay */
Picture *last_picture_ptr; ///< pointer to the previous picture.
Picture *next_picture_ptr; ///< pointer to the next picture (for bidir pred)
Picture *current_picture_ptr; ///< pointer to the current picture
- int picture_count; ///< number of allocated pictures (MAX_PICTURE_COUNT * avctx->thread_count)
- int picture_range_start, picture_range_end; ///< the part of picture that this context can allocate in
- 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
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 *edge_emu_buffer; ///< temporary buffer for if MVs point to out-of-frame data
- 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
+
+ ScratchpadContext sc;
int qscale; ///< QP
int chroma_qscale; ///< chroma QP
int pict_type; ///< AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, ...
int last_pict_type; //FIXME removes
int last_non_b_pict_type; ///< used for mpeg4 gmc b-frames & ratecontrol
- int dropable;
+ int droppable;
int frame_rate_index;
int last_lambda_for[5]; ///< last lambda for a specific pict type
int skipdct; ///< skip dct and code zero residual
int unrestricted_mv; ///< mv can point outside of the coded picture
int h263_long_vectors; ///< use horrible h263v1 long vector mode
- DSPContext dsp; ///< pointers for accelerated dsp functions
+ BlockDSPContext bdsp;
+ FDCTDSPContext fdsp;
+ HpelDSPContext hdsp;
+ IDCTDSPContext idsp;
+ MECmpContext mecc;
+ MpegVideoDSPContext mdsp;
+ MpegvideoEncDSPContext mpvencdsp;
+ PixblockDSPContext pdsp;
+ QpelDSPContext qdsp;
+ VideoDSPContext vdsp;
+ H263DSPContext h263dsp;
int f_code; ///< forward MV resolution
int b_code; ///< backward MV resolution for B Frames (mpeg4)
int16_t (*p_mv_table_base)[2];
int mb_x, mb_y;
int mb_skip_run;
int mb_intra;
- uint16_t *mb_type; ///< Table for candidate MB types for encoding
-#define CANDIDATE_MB_TYPE_INTRA 0x01
-#define CANDIDATE_MB_TYPE_INTER 0x02
-#define CANDIDATE_MB_TYPE_INTER4V 0x04
-#define CANDIDATE_MB_TYPE_SKIPPED 0x08
-//#define MB_TYPE_GMC 0x10
-
-#define CANDIDATE_MB_TYPE_DIRECT 0x10
-#define CANDIDATE_MB_TYPE_FORWARD 0x20
-#define CANDIDATE_MB_TYPE_BACKWARD 0x40
-#define CANDIDATE_MB_TYPE_BIDIR 0x80
-
-#define CANDIDATE_MB_TYPE_INTER_I 0x100
-#define CANDIDATE_MB_TYPE_FORWARD_I 0x200
-#define CANDIDATE_MB_TYPE_BACKWARD_I 0x400
-#define CANDIDATE_MB_TYPE_BIDIR_I 0x800
-
-#define CANDIDATE_MB_TYPE_DIRECT0 0x1000
+ uint16_t *mb_type; ///< Table for candidate MB types for encoding (defines in mpegutils.h)
int block_index[6]; ///< index to current MB in block based arrays with edges
int block_wrap[6];
uint16_t chroma_intra_matrix[64];
uint16_t inter_matrix[64];
uint16_t chroma_inter_matrix[64];
-#define QUANT_BIAS_SHIFT 8
+
int intra_quant_bias; ///< bias for the quantizer
int inter_quant_bias; ///< bias for the quantizer
int min_qcoeff; ///< minimum encodable coefficient
int dct_count[2];
uint16_t (*dct_offset)[64];
- void *opaque; ///< private data for the user
-
/* bit rate control */
int64_t total_bits;
int frame_bits; ///< bits used for the current frame
int last_bits; ///< temp var used for calculating the above vars
/* error concealment / resync */
- int error_count, error_occurred;
- 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 ER_AC_ERROR 2
-#define ER_DC_ERROR 4
-#define ER_MV_ERROR 8
-#define ER_AC_END 16
-#define ER_DC_END 32
-#define ER_MV_END 64
-
-#define ER_MB_ERROR (ER_AC_ERROR|ER_DC_ERROR|ER_MV_ERROR)
-#define ER_MB_END (ER_AC_END|ER_DC_END|ER_MV_END)
-
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 err_recognition;
ParseContext parse_context;
/* H.263 specific */
int gob_index;
int obmc; ///< overlapped block motion compensation
- int showed_packed_warning; ///< flag for having shown the warning about divxs invalid b frames
int mb_info; ///< interval for outputting info about mb offsets as side data
int prev_mb_info, last_mb_info;
uint8_t *mb_info_ptr;
int mb_info_size;
+ int rc_strategy;
/* H.263+ specific */
int umvplus; ///< == H263+ && unrestricted_mv
int custom_pcf;
/* mpeg4 specific */
- int time_increment_bits; ///< number of bits to represent the fractional part of time
+ ///< number of bits to represent the fractional part of time (encoder only)
+ int time_increment_bits;
int last_time_base;
int time_base; ///< time in seconds of last I,P,S Frame
int64_t time; ///< time of current frame
uint16_t pb_time; ///< time distance between the last b and p,s,i frame
uint16_t pp_field_time;
uint16_t pb_field_time; ///< like above, just for interlaced
- int shape;
- int vol_sprite_usage;
- int sprite_width;
- int sprite_height;
- int sprite_left;
- int sprite_top;
- int sprite_brightness_change;
- int num_sprite_warping_points;
int real_sprite_warping_points;
- uint16_t sprite_traj[4][2]; ///< sprite trajectory 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 mcsel;
int quant_precision;
int quarter_sample; ///< 1->qpel, 0->half pel ME/MC
- int scalability;
- int hierachy_type;
- int enhancement_type;
- int new_pred;
- int reduced_res_vop;
int aspect_ratio_info; //FIXME remove
int sprite_warping_accuracy;
- int low_latency_sprite;
int data_partitioning; ///< data partitioning flag from header
int partitioned_frame; ///< is current frame partitioned
- int rvlc; ///< reversible vlc
- int resync_marker; ///< could this stream contain resync markers
int low_delay; ///< no reordering needed / has no b-frames
int 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
- int use_intra_dc_vlc;
PutBitContext tex_pb; ///< used for data partitioned VOPs
PutBitContext pb2; ///< used for data partitioned VOPs
int mpeg_quant;
- 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 cplx_estimation_trash_i;
- int cplx_estimation_trash_p;
- int cplx_estimation_trash_b;
/* divx specific, used to workaround (many) bugs in divx5 */
- int divx_version;
- int divx_build;
int divx_packed;
uint8_t *bitstream_buffer; //Divx 5.01 puts several frames in a single one, this is used to reorder them
int bitstream_buffer_size;
unsigned int allocated_bitstream_buffer_size;
- int xvid_build;
-
- /* lavc specific stuff, used to workaround bugs in libavcodec */
- int lavc_build;
-
/* RV10 specific */
int rv10_version; ///< RV10 version: 0 or 3
int rv10_first_dc_coded[3];
- int orig_width, orig_height;
/* 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}
/* MSMPEG4 specific */
int mv_table_index;
/* Mpeg1 specific */
int gop_picture_number; ///< index of the first picture of a GOP based on fake_pic_num & mpeg1 specific
int last_mv_dir; ///< last mv_dir, used for b frame encoding
- int broken_link; ///< no_output_of_prior_pics_flag
uint8_t *vbv_delay_ptr; ///< pointer to vbv_delay in the bitstream
/* MPEG-2-specific - I wished not to have to support this mess. */
int progressive_sequence;
int mpeg_f_code[2][2];
+
+ // picture structure defines are loaded from mpegutils.h
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 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;
- int first_slice;
int first_field; ///< is 1 for the first field of a field picture 0 otherwise
int drop_frame_timecode; ///< timecode is in drop frame format.
int scan_offset; ///< reserve space for SVCD scan offset user data.
int rtp_mode;
uint8_t *ptr_lastgob;
- int swap_uv; //vcr2 codec is an MPEG-2 variant with U and V swapped
- DCTELEM (*pblocks[12])[64];
+ int16_t (*pblocks[12])[64];
- 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()
+ int16_t (*block)[64]; ///< points to one of the following blocks
+ int16_t (*blocks)[12][64]; // for HQ mode we need to keep the best block
+ int (*decode_mb)(struct MpegEncContext *s, int16_t block[6][64]); // used by some codecs to avoid a switch()
#define SLICE_OK 0
#define SLICE_ERROR -1
#define SLICE_END -2 ///<end marker found
#define SLICE_NOEND -3 ///<no end marker or error found but mb count exceeded
void (*dct_unquantize_mpeg1_intra)(struct MpegEncContext *s,
- DCTELEM *block/*align 16*/, int n, int qscale);
+ int16_t *block/*align 16*/, int n, int qscale);
void (*dct_unquantize_mpeg1_inter)(struct MpegEncContext *s,
- DCTELEM *block/*align 16*/, int n, int qscale);
+ int16_t *block/*align 16*/, int n, int qscale);
void (*dct_unquantize_mpeg2_intra)(struct MpegEncContext *s,
- DCTELEM *block/*align 16*/, int n, int qscale);
+ int16_t *block/*align 16*/, int n, int qscale);
void (*dct_unquantize_mpeg2_inter)(struct MpegEncContext *s,
- DCTELEM *block/*align 16*/, int n, int qscale);
+ int16_t *block/*align 16*/, int n, int qscale);
void (*dct_unquantize_h263_intra)(struct MpegEncContext *s,
- DCTELEM *block/*align 16*/, int n, int qscale);
+ int16_t *block/*align 16*/, int n, int qscale);
void (*dct_unquantize_h263_inter)(struct MpegEncContext *s,
- DCTELEM *block/*align 16*/, int n, int qscale);
- void (*dct_unquantize_h261_intra)(struct MpegEncContext *s,
- DCTELEM *block/*align 16*/, int n, int qscale);
- void (*dct_unquantize_h261_inter)(struct MpegEncContext *s,
- DCTELEM *block/*align 16*/, int n, int qscale);
+ int16_t *block/*align 16*/, int n, int qscale);
void (*dct_unquantize_intra)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
- DCTELEM *block/*align 16*/, int n, int qscale);
+ int16_t *block/*align 16*/, int n, int qscale);
void (*dct_unquantize_inter)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
- DCTELEM *block/*align 16*/, int n, int qscale);
- int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow);
- int (*fast_dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow);
- void (*denoise_dct)(struct MpegEncContext *s, DCTELEM *block);
+ int16_t *block/*align 16*/, int n, int qscale);
+ int (*dct_quantize)(struct MpegEncContext *s, int16_t *block/*align 16*/, int n, int qscale, int *overflow);
+ int (*fast_dct_quantize)(struct MpegEncContext *s, int16_t *block/*align 16*/, int n, int qscale, int *overflow);
+ void (*denoise_dct)(struct MpegEncContext *s, int16_t *block);
int mpv_flags; ///< flags set by private options
int quantizer_noise_shaping;
-} MpegEncContext;
-#define REBASE_PICTURE(pic, new_ctx, old_ctx) (pic ? \
- (pic >= old_ctx->picture && pic < old_ctx->picture+old_ctx->picture_count ?\
- &new_ctx->picture[pic - old_ctx->picture] : pic - (Picture*)old_ctx + (Picture*)new_ctx)\
- : NULL)
+ /**
+ * ratecontrol qmin qmax limiting method
+ * 0-> clipping, 1-> use a nice continuous function to limit qscale wthin qmin/qmax.
+ */
+ float rc_qsquish;
+ float rc_qmod_amp;
+ int rc_qmod_freq;
+ float rc_initial_cplx;
+ float rc_buffer_aggressivity;
+ float border_masking;
+ int lmin, lmax;
+
+ char *rc_eq;
+
+ /* temp buffers for rate control */
+ float *cplx_tab, *bits_tab;
+
+ /* flag to indicate a reinitialization is required, e.g. after
+ * a frame size change */
+ int context_reinit;
+
+ ERContext er;
+
+ int error_rate;
+
+ /* temporary frames used by b_frame_strategy = 2 */
+ AVFrame *tmp_frames[MAX_B_FRAMES + 2];
+} MpegEncContext;
/* mpegvideo_enc common options */
#define FF_MPV_FLAG_SKIP_RD 0x0001
#define FF_MPV_FLAG_STRICT_GOP 0x0002
#define FF_MPV_FLAG_QP_RD 0x0004
#define FF_MPV_FLAG_CBP_RD 0x0008
+#define FF_MPV_FLAG_NAQ 0x0010
+#define FF_MPV_FLAG_MV0 0x0020
#define FF_MPV_OFFSET(x) offsetof(MpegEncContext, x)
#define FF_MPV_OPT_FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
#define FF_MPV_COMMON_OPTS \
-{ "mpv_flags", "Flags common for all mpegvideo-based encoders.", FF_MPV_OFFSET(mpv_flags), AV_OPT_TYPE_FLAGS, { 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "mpv_flags" },\
-{ "skip_rd", "RD optimal MB level residual skipping", 0, AV_OPT_TYPE_CONST, { FF_MPV_FLAG_SKIP_RD }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
-{ "strict_gop", "Strictly enforce gop size", 0, AV_OPT_TYPE_CONST, { FF_MPV_FLAG_STRICT_GOP }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
-{ "qp_rd", "Use rate distortion optimization for qp selection", 0, AV_OPT_TYPE_CONST, { FF_MPV_FLAG_QP_RD }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
-{ "cbp_rd", "use rate distortion optimization for CBP", 0, AV_OPT_TYPE_CONST, { FF_MPV_FLAG_CBP_RD }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
+{ "mpv_flags", "Flags common for all mpegvideo-based encoders.", FF_MPV_OFFSET(mpv_flags), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "mpv_flags" },\
+{ "skip_rd", "RD optimal MB level residual skipping", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_SKIP_RD }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
+{ "strict_gop", "Strictly enforce gop size", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_STRICT_GOP }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
+{ "qp_rd", "Use rate distortion optimization for qp selection", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_QP_RD }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
+{ "cbp_rd", "use rate distortion optimization for CBP", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_CBP_RD }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
+{ "naq", "normalize adaptive quantization", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_NAQ }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
+{ "mv0", "always try a mb with mv=<0,0>", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_MV0 }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
{ "luma_elim_threshold", "single coefficient elimination threshold for luminance (negative values also consider dc coefficient)",\
- FF_MPV_OFFSET(luma_elim_threshold), AV_OPT_TYPE_INT, { 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS },\
+ FF_MPV_OFFSET(luma_elim_threshold), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS },\
{ "chroma_elim_threshold", "single coefficient elimination threshold for chrominance (negative values also consider dc coefficient)",\
- FF_MPV_OFFSET(chroma_elim_threshold), AV_OPT_TYPE_INT, { 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS },\
-{ "quantizer_noise_shaping", NULL, FF_MPV_OFFSET(quantizer_noise_shaping), AV_OPT_TYPE_INT, { 0 }, 0, INT_MAX, FF_MPV_OPT_FLAGS },
+ FF_MPV_OFFSET(chroma_elim_threshold), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS },\
+{ "quantizer_noise_shaping", NULL, FF_MPV_OFFSET(quantizer_noise_shaping), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FF_MPV_OPT_FLAGS },\
+{ "error_rate", "Simulate errors in the bitstream to test error concealment.", \
+ FF_MPV_OFFSET(error_rate), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FF_MPV_OPT_FLAGS },\
+{"qsquish", "how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function)", \
+ FF_MPV_OFFSET(rc_qsquish), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, 0, 99, FF_MPV_OPT_FLAGS}, \
+{"rc_qmod_amp", "experimental quantizer modulation", FF_MPV_OFFSET(rc_qmod_amp), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \
+{"rc_qmod_freq", "experimental quantizer modulation", FF_MPV_OFFSET(rc_qmod_freq), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS}, \
+{"rc_eq", "Set rate control equation. When computing the expression, besides the standard functions " \
+ "defined in the section 'Expression Evaluation', the following functions are available: " \
+ "bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv " \
+ "fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.", \
+ FF_MPV_OFFSET(rc_eq), AV_OPT_TYPE_STRING, .flags = FF_MPV_OPT_FLAGS }, \
+{"rc_init_cplx", "initial complexity for 1-pass encoding", FF_MPV_OFFSET(rc_initial_cplx), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \
+{"rc_buf_aggressivity", "currently useless", FF_MPV_OFFSET(rc_buffer_aggressivity), AV_OPT_TYPE_FLOAT, {.dbl = 1.0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \
+{"border_mask", "increase the quantizer for macroblocks close to borders", FF_MPV_OFFSET(border_masking), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \
+{"lmin", "minimum Lagrange factor (VBR)", FF_MPV_OFFSET(lmin), AV_OPT_TYPE_INT, {.i64 = 2*FF_QP2LAMBDA }, 0, INT_MAX, FF_MPV_OPT_FLAGS }, \
+{"lmax", "maximum Lagrange factor (VBR)", FF_MPV_OFFSET(lmax), AV_OPT_TYPE_INT, {.i64 = 31*FF_QP2LAMBDA }, 0, INT_MAX, FF_MPV_OPT_FLAGS }, \
+{"ibias", "intra quant bias", FF_MPV_OFFSET(intra_quant_bias), AV_OPT_TYPE_INT, {.i64 = FF_DEFAULT_QUANT_BIAS }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
+{"pbias", "inter quant bias", FF_MPV_OFFSET(inter_quant_bias), AV_OPT_TYPE_INT, {.i64 = FF_DEFAULT_QUANT_BIAS }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
+{"rc_strategy", "ratecontrol method", FF_MPV_OFFSET(rc_strategy), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 1, FF_MPV_OPT_FLAGS }, \
extern const AVOption ff_mpv_generic_options[];
-#define FF_MPV_GENERIC_CLASS(name) \
-static const AVClass name ## _class = {\
- .class_name = #name " encoder",\
- .item_name = av_default_item_name,\
- .option = ff_mpv_generic_options,\
- .version = LIBAVUTIL_VERSION_INT,\
-};
-
-void ff_MPV_decode_defaults(MpegEncContext *s);
-int ff_MPV_common_init(MpegEncContext *s);
-void ff_MPV_common_end(MpegEncContext *s);
-void ff_MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64]);
-int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx);
-void ff_MPV_frame_end(MpegEncContext *s);
-int ff_MPV_encode_init(AVCodecContext *avctx);
-int ff_MPV_encode_end(AVCodecContext *avctx);
-int ff_MPV_encode_picture(AVCodecContext *avctx, AVPacket *pkt,
+/**
+ * Set the given MpegEncContext to common defaults (same for encoding
+ * and decoding). The changed fields will not depend upon the prior
+ * state of the MpegEncContext.
+ */
+void ff_mpv_common_defaults(MpegEncContext *s);
+
+int ff_mpv_common_init(MpegEncContext *s);
+void ff_mpv_common_init_arm(MpegEncContext *s);
+void ff_mpv_common_init_neon(MpegEncContext *s);
+void ff_mpv_common_init_ppc(MpegEncContext *s);
+void ff_mpv_common_init_x86(MpegEncContext *s);
+
+int ff_mpv_common_frame_size_change(MpegEncContext *s);
+void ff_mpv_common_end(MpegEncContext *s);
+
+void ff_mpv_decode_defaults(MpegEncContext *s);
+void ff_mpv_decode_mb(MpegEncContext *s, int16_t block[12][64]);
+void ff_mpv_report_decode_progress(MpegEncContext *s);
+
+int ff_mpv_frame_start(MpegEncContext *s, AVCodecContext *avctx);
+void ff_mpv_frame_end(MpegEncContext *s);
+
+int ff_mpv_encode_init(AVCodecContext *avctx);
+void ff_mpv_encode_init_x86(MpegEncContext *s);
+
+int ff_mpv_encode_end(AVCodecContext *avctx);
+int ff_mpv_encode_picture(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *frame, int *got_packet);
-void ff_MPV_common_init_mmx(MpegEncContext *s);
-void ff_MPV_common_init_axp(MpegEncContext *s);
-void ff_MPV_common_init_mmi(MpegEncContext *s);
-void ff_MPV_common_init_arm(MpegEncContext *s);
-void ff_MPV_common_init_altivec(MpegEncContext *s);
-void ff_MPV_common_init_bfin(MpegEncContext *s);
+
void ff_clean_intra_table_entries(MpegEncContext *s);
-void ff_draw_horiz_band(MpegEncContext *s, int y, int h);
+void ff_mpeg_draw_horiz_band(MpegEncContext *s, int y, int h);
void ff_mpeg_flush(AVCodecContext *avctx);
-void ff_print_debug_info(MpegEncContext *s, AVFrame *pict);
+void ff_print_debug_info(MpegEncContext *s, Picture *p);
void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix);
-void ff_release_unused_pictures(MpegEncContext *s, int remove_current);
-int ff_find_unused_picture(MpegEncContext *s, int shared);
-void ff_denoise_dct(MpegEncContext *s, DCTELEM *block);
-void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src);
-int ff_MPV_lowest_referenced_row(MpegEncContext *s, int dir);
-void ff_MPV_report_decode_progress(MpegEncContext *s);
+
+int ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src);
int ff_mpeg_update_thread_context(AVCodecContext *dst, const AVCodecContext *src);
-const uint8_t *avpriv_mpv_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state);
void ff_set_qscale(MpegEncContext * s, int qscale);
-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);
-
-int ff_dct_common_init(MpegEncContext *s);
-void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
+void ff_mpv_idct_init(MpegEncContext *s);
+void ff_convert_matrix(MpegEncContext *s, int (*qmat)[64], uint16_t (*qmat16)[2][64],
const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra);
+int ff_dct_quantize_c(MpegEncContext *s, int16_t *block, int n, int qscale, int *overflow);
void ff_init_block_index(MpegEncContext *s);
-void ff_copy_picture(Picture *dst, Picture *src);
-
-/**
- * Allocate a Picture.
- * The pixels are allocated/set by calling get_buffer() if shared = 0.
- */
-int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared);
-extern const enum PixelFormat ff_pixfmt_list_420[];
-extern const enum PixelFormat ff_hwaccel_pixfmt_list_420[];
+void ff_mpv_motion(MpegEncContext *s,
+ uint8_t *dest_y, uint8_t *dest_cb,
+ uint8_t *dest_cr, int dir,
+ uint8_t **ref_picture,
+ op_pixels_func (*pix_op)[4],
+ qpel_mc_func (*qpix_op)[16]);
static inline void ff_update_block_index(MpegEncContext *s){
- const int block_size= 8>>s->avctx->lowres;
+ const int block_size = 8;
s->block_index[0]+=2;
s->block_index[1]+=2;
return bits - last;
}
-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
- 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1,
- };
- return h263_chroma_roundtab[x & 0xf] + (x >> 3);
-}
-
-/* motion_est.c */
-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);
-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);
-int ff_init_me(MpegEncContext *s);
-int ff_pre_estimate_p_frame_motion(MpegEncContext * s, int mb_x, int mb_y);
-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);
-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 uint8_t ff_mpeg1_dc_scale_table[128];
-extern const uint8_t * const ff_mpeg2_dc_scale_table[4];
-
-void ff_mpeg1_encode_picture_header(MpegEncContext *s, int picture_number);
-void ff_mpeg1_encode_mb(MpegEncContext *s,
- DCTELEM block[6][64],
- int motion_x, int motion_y);
-void ff_mpeg1_encode_init(MpegEncContext *s);
-void ff_mpeg1_encode_slice_header(MpegEncContext *s);
-void ff_mpeg1_clean_buffers(MpegEncContext *s);
-int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size, AVCodecParserContext *s);
-
-extern const uint8_t ff_aic_dc_scale_table[32];
-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);
-
-
-/* rv10.c */
-void ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number);
-int ff_rv_decode_dc(MpegEncContext *s, int n);
-void ff_rv20_encode_picture_header(MpegEncContext *s, int picture_number);
-
-
-/* msmpeg4.c */
-void ff_msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number);
-void ff_msmpeg4_encode_ext_header(MpegEncContext * s);
-void ff_msmpeg4_encode_mb(MpegEncContext * s,
- DCTELEM block[6][64],
- int motion_x, int motion_y);
-int ff_msmpeg4_decode_picture_header(MpegEncContext * s);
-int ff_msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size);
-int ff_msmpeg4_decode_init(AVCodecContext *avctx);
-void ff_msmpeg4_encode_init(MpegEncContext *s);
-int ff_wmv2_decode_picture_header(MpegEncContext * s);
-int ff_wmv2_decode_secondary_picture_header(MpegEncContext * s);
-void ff_wmv2_add_mb(MpegEncContext *s, DCTELEM block[6][64], uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr);
-void ff_mspel_motion(MpegEncContext *s,
- uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
- uint8_t **ref_picture, op_pixels_func (*pix_op)[4],
- int motion_x, int motion_y, int h);
-int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number);
-void ff_wmv2_encode_mb(MpegEncContext * s,
- DCTELEM block[6][64],
- int motion_x, int motion_y);
-
#endif /* AVCODEC_MPEGVIDEO_H */