/*
* Generic DCT based hybrid video encoder
- * Copyright (c) 2000, 2001, 2002 Fabrice Bellard.
+ * 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
+ * @file libavcodec/mpegvideo.h
* mpegvideo header.
*/
-
+
#ifndef AVCODEC_MPEGVIDEO_H
#define AVCODEC_MPEGVIDEO_H
#include "dsputil.h"
+#include "get_bits.h"
+#include "put_bits.h"
+#include "ratecontrol.h"
+#include "parser.h"
+#include "mpeg12data.h"
+#include "rl.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,
};
-#define EDGE_WIDTH 16
-
#define MPEG_BUF_SIZE (16 * 1024)
#define QMAT_SHIFT_MMX 16
#define ME_MAP_SHIFT 3
#define ME_MAP_MV_BITS 11
-/* run length table */
-#define MAX_RUN 64
-#define MAX_LEVEL 64
-
-#define I_TYPE FF_I_TYPE ///< Intra
-#define P_TYPE FF_P_TYPE ///< Predicted
-#define B_TYPE FF_B_TYPE ///< Bi-dir predicted
-#define S_TYPE FF_S_TYPE ///< S(GMC)-VOP MPEG4
-#define SI_TYPE FF_SI_TYPE ///< Switching Intra
-#define SP_TYPE FF_SP_TYPE ///< Switching Predicted
-
-typedef struct Predictor{
- double coeff;
- double count;
- double decay;
-} Predictor;
-
-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;
+#define MAX_MB_BYTES (30*16*16*3/8 + 120)
-/**
- * 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.
- */
-typedef struct ScanTable{
- const uint8_t *scantable;
- uint8_t permutated[64];
- uint8_t raster_end[64];
-#ifdef ARCH_POWERPC
- /** Used by dct_quantise_alitvec to find last-non-zero */
- uint8_t __align8 inverse[64];
-#endif
-} ScanTable;
+/* 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
/**
* Picture.
uint8_t *interpolated[3];
int16_t (*motion_val_base[2])[2];
uint32_t *mb_type_base;
-#define MB_TYPE_INTRA MB_TYPE_INTRA4x4 //default mb_type if theres just one type
+#define 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_ACPRED(a) ((a)&MB_TYPE_ACPRED)
#define IS_QUANT(a) ((a)&MB_TYPE_QUANT)
#define IS_DIR(a, part, list) ((a) & (MB_TYPE_P0L0<<((part)+2*(list))))
-#define USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0|MB_TYPE_P1L0)<<(2*(list)))) ///< does this mb use listX, note doesnt work if subMBs
+#define 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
- int pic_id; ///< h264 pic_num or long_term_pic_idx
+ 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) */
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][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)
+ int mbaff; ///< h264 1 -> MBAFF frame 0-> not MBAFF
+
+ 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;
/**
*/
typedef struct MotionEstContext{
AVCodecContext *avctx;
- 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
+ int skip; ///< set if ME is skipped for the current MB
+ int co_located_mv[4][2]; ///< mv from last P-frame for direct mode ME
int direct_basis_mv[4][2];
- uint8_t *scratchpad; ///< data area for the me algo, so that the ME doesnt need to malloc/free
+ uint8_t *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
- int map_generation;
+ 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 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 pre_pass; ///< = 1 for the pre pass
int dia_size;
int xmin;
int xmax;
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 (*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 *mx_ptr, int *my_ptr, int dmin,
int src_index, int ref_index,
int size, int h);
}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
+ int pb_frame; ///< PB frame mode (0 = none, 1 = base, 2 = improved)
/* 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 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 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 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 */
/* sequence parameters */
int context_initialized;
- 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 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
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
+ 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 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 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
uint8_t *visualization_buffer[3]; //< temporary buffer vor MV visualization
- int last_dc[3]; ///< last DC values for MPEG1
+ 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_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_base)[16];
- int16_t (*ac_val[3])[16]; ///< used for for mpeg4 AC prediction, all 3 arrays must be continuous
+ 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
- uint8_t *rd_scratchpad; ///< scartchpad for rate distortion mb decission
+ uint8_t *rd_scratchpad; ///< scratchpad for rate distortion mb decision
uint8_t *obmc_scratchpad;
uint8_t *b_scratchpad; ///< scratchpad used for writing into write only buffers
- int qscale; ///< QP
- int chroma_qscale; ///< chroma QP
- int lambda; ///< lagrange multipler used in rate distortion
- int lambda2; ///< (lambda*lambda) >> FF_LAMBDA_SHIFT
+ int 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 adaptive_quant; ///< use adaptive quantization
+ int dquant; ///< qscale difference to prev qscale
+ int pict_type; ///< FF_I_TYPE, FF_P_TYPE, FF_B_TYPE, ...
int last_pict_type; //FIXME removes
- int last_non_b_pict_type; ///< used for mpeg4 gmc b-frames & ratecontrol
+ 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_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_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 me_method; ///< ME algorithm
int mv_dir;
-#define MV_DIR_BACKWARD 1
-#define MV_DIR_FORWARD 2
+#define MV_DIR_FORWARD 1
+#define MV_DIR_BACKWARD 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, ...)
- for b-frames rounding mode is allways 0 */
+ int no_rounding; /**< apply no rounding to motion compensation (MPEG4, msmpeg4, ...)
+ for b-frames rounding mode is always 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;
#define CANDIDATE_MB_TYPE_INTRA 0x01
#define CANDIDATE_MB_TYPE_INTER 0x02
#define CANDIDATE_MB_TYPE_INTER4V 0x04
-#define CANDIDATE_MB_TYPE_SKIPED 0x08
+#define CANDIDATE_MB_TYPE_SKIPPED 0x08
//#define MB_TYPE_GMC 0x10
#define CANDIDATE_MB_TYPE_DIRECT 0x10
#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 */
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;
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];
uint16_t (*q_inter_matrix16)[2][64];
int block_last_index[12]; ///< last non zero coefficient in block
/* scantables */
- ScanTable __align8 intra_scantable;
+ DECLARE_ALIGNED_8(ScanTable, intra_scantable);
ScanTable intra_h_scantable;
ScanTable intra_v_scantable;
ScanTable inter_scantable; ///< if inter == intra then intra should be used to reduce tha cache usage
-
+
/* noise reduction */
int (*dct_error_sum)[64];
int dct_count[2];
/* bit rate control */
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 */
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
#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 error_resilience;
-
+ int next_p_frame_damaged; ///< set if the next p frame is damaged, to avoid showing trashed b frames
+ int error_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
+
/* 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;
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]
+ 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 quarter_sample; ///< 1->qpel, 0->half pel ME/MC
int scalability;
int hierachy_type;
int enhancement_type;
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
+ 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 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;
-#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}
/* MSMPEG4 specific */
int mv_table_index;
int rl_chroma_table_index;
int dc_table_index;
int use_skip_mb_code;
- int slice_height; ///< in macroblocks
- int first_slice_line; ///< used in mpeg4 too to handle resync markers
+ int slice_height; ///< in macroblocks
+ int first_slice_line; ///< used in mpeg4 too to handle resync markers
int flipflop_rounding;
int msmpeg4_version; ///< 0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8
int per_mb_rl_table;
GetBitContext gb;
/* 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 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. */
+ 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];
int picture_structure;
/* 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
+ int swap_uv; //vcr2 codec is an MPEG-2 variant with U and V swapped
+ DCTELEM (*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()
#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,
+
+ void (*dct_unquantize_mpeg1_intra)(struct MpegEncContext *s,
DCTELEM *block/*align 16*/, int n, int qscale);
- void (*dct_unquantize_mpeg1_inter)(struct MpegEncContext *s,
+ void (*dct_unquantize_mpeg1_inter)(struct MpegEncContext *s,
DCTELEM *block/*align 16*/, int n, int qscale);
- void (*dct_unquantize_mpeg2_intra)(struct MpegEncContext *s,
+ void (*dct_unquantize_mpeg2_intra)(struct MpegEncContext *s,
DCTELEM *block/*align 16*/, int n, int qscale);
- void (*dct_unquantize_mpeg2_inter)(struct MpegEncContext *s,
+ void (*dct_unquantize_mpeg2_inter)(struct MpegEncContext *s,
DCTELEM *block/*align 16*/, int n, int qscale);
- void (*dct_unquantize_h263_intra)(struct MpegEncContext *s,
+ void (*dct_unquantize_h263_intra)(struct MpegEncContext *s,
DCTELEM *block/*align 16*/, int n, int qscale);
- void (*dct_unquantize_h263_inter)(struct MpegEncContext *s,
+ void (*dct_unquantize_h263_inter)(struct MpegEncContext *s,
DCTELEM *block/*align 16*/, int n, int qscale);
- void (*dct_unquantize_h261_intra)(struct MpegEncContext *s,
+ void (*dct_unquantize_h261_intra)(struct MpegEncContext *s,
DCTELEM *block/*align 16*/, int n, int qscale);
- void (*dct_unquantize_h261_inter)(struct MpegEncContext *s,
+ void (*dct_unquantize_h261_inter)(struct MpegEncContext *s,
DCTELEM *block/*align 16*/, int n, int qscale);
void (*dct_unquantize_intra)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
DCTELEM *block/*align 16*/, int n, int qscale);
} MpegEncContext;
-int DCT_common_init(MpegEncContext *s);
void MPV_decode_defaults(MpegEncContext *s);
int MPV_common_init(MpegEncContext *s);
void MPV_common_end(MpegEncContext *s);
int MPV_encode_init(AVCodecContext *avctx);
int MPV_encode_end(AVCodecContext *avctx);
int MPV_encode_picture(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data);
-#ifdef HAVE_MMX
void MPV_common_init_mmx(MpegEncContext *s);
-#endif
-#ifdef ARCH_ALPHA
void MPV_common_init_axp(MpegEncContext *s);
-#endif
-#ifdef HAVE_MLIB
void MPV_common_init_mlib(MpegEncContext *s);
-#endif
-#ifdef HAVE_MMI
void MPV_common_init_mmi(MpegEncContext *s);
-#endif
-#ifdef ARCH_ARMV4L
-void MPV_common_init_armv4l(MpegEncContext *s);
-#endif
-#ifdef ARCH_POWERPC
-void MPV_common_init_ppc(MpegEncContext *s);
-#endif
-extern void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w);
-void ff_copy_bits(PutBitContext *pb, uint8_t *src, int length);
+void MPV_common_init_arm(MpegEncContext *s);
+void MPV_common_init_altivec(MpegEncContext *s);
void ff_clean_intra_table_entries(MpegEncContext *s);
-void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
void ff_draw_horiz_band(MpegEncContext *s, int y, int h);
-void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize, int block_w, int block_h,
- int src_x, int src_y, int w, int h);
-#define END_NOT_FOUND -100
-int ff_combine_frame(ParseContext *pc, int next, uint8_t **buf, int *buf_size);
-void ff_parse_close(AVCodecParserContext *s);
void ff_mpeg_flush(AVCodecContext *avctx);
void ff_print_debug_info(MpegEncContext *s, AVFrame *pict);
-void ff_write_quant_matrix(PutBitContext *pb, int16_t *matrix);
+void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix);
int ff_find_unused_picture(MpegEncContext *s, int shared);
void ff_denoise_dct(MpegEncContext *s, DCTELEM *block);
void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src);
+const uint8_t *ff_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state);
void ff_er_frame_start(MpegEncContext *s);
void ff_er_frame_end(MpegEncContext *s);
void ff_er_add_slice(MpegEncContext *s, int startx, int starty, int endx, int endy, int status);
-
-extern enum PixelFormat ff_yuv420p_list[2];
+int ff_dct_common_init(MpegEncContext *s);
+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);
void ff_init_block_index(MpegEncContext *s);
+void ff_copy_picture(Picture *dst, Picture *src);
+
+extern const enum PixelFormat ff_pixfmt_list_420[];
+extern const enum PixelFormat ff_hwaccel_pixfmt_list_420[];
static inline void ff_update_block_index(MpegEncContext *s){
const int block_size= 8>>s->avctx->lowres;
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_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);
-void ff_init_me(MpegEncContext *s);
+int 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);
-int inline ff_get_mb_score(MpegEncContext * s, int mx, int my, int src_index,
+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 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 uint8_t ff_mpeg1_dc_scale_table[128];
void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number);
void mpeg1_encode_mb(MpegEncContext *s,
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);
-
-
-/** RLTable. */
-typedef struct RLTable {
- int n; ///< number of entries of table_vlc minus 1
- int last; ///< number of values for last = 0
- const uint16_t (*table_vlc)[2];
- const int8_t *table_run;
- const int8_t *table_level;
- uint8_t *index_run[2]; ///< encoding only
- int8_t *max_level[2]; ///< encoding & decoding
- int8_t *max_run[2]; ///< encoding & decoding
- VLC vlc; ///< decoding only deprected FIXME remove
- RL_VLC_ELEM *rl_vlc[32]; ///< decoding only
-} RLTable;
-
-void init_rl(RLTable *rl, 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)
-{
- int index;
- index = rl->index_run[last][run];
- if (index >= rl->n)
- return rl->n;
- if (level > rl->max_level[last][run])
- return rl->n;
- return index + level - 1;
-}
+int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size, AVCodecParserContext *s);
-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];
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);
+ AVPacket *avpkt);
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 h263_encode_gob_header(MpegEncContext * s, int mb_line);
int16_t *h263_pred_motion(MpegEncContext * s, int block, int dir,
int *px, int *py);
-void mpeg4_pred_ac(MpegEncContext * s, 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 ff_set_mpeg4_time(MpegEncContext * s);
void mpeg4_encode_picture_header(MpegEncContext *s, int picture_number);
void h263_encode_init(MpegEncContext *s);
void h263_decode_init_vlc(MpegEncContext *s);
int ff_mpeg4_decode_partitions(MpegEncContext *s);
int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s);
int ff_h263_resync(MpegEncContext *s);
+const uint8_t *ff_h263_find_resync_marker(const uint8_t *p, const uint8_t *end);
int ff_h263_get_gob_height(MpegEncContext *s);
+void ff_mpeg4_init_direct_mv(MpegEncContext *s);
int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my);
-int ff_h263_round_chroma(int x);
void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code);
-int ff_mpeg4_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size);
/* rv10.c */
/* 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);
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,
- DCTELEM block[6][64]);
-void mjpeg_picture_header(MpegEncContext *s);
-void mjpeg_picture_trailer(MpegEncContext *s);
-void ff_mjpeg_stuffing(PutBitContext * pbc);
-
-
-/* rate control */
-int ff_rate_control_init(MpegEncContext *s);
-float ff_rate_estimate_qscale(MpegEncContext *s);
-void ff_write_pass1_stats(MpegEncContext *s);
-void ff_rate_control_uninit(MpegEncContext *s);
-double ff_eval(char *s, double *const_value, 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);
-
-
#endif /* AVCODEC_MPEGVIDEO_H */
+
projects / frescor / ffmpeg.git / blobdiff