FFmpeg
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#include "avcodec.h"
#include "mpegutils.h"
#include "mpegvideo.h"
#include "mpegvideodec.h"
#include "msmpeg4_vc1_data.h"
#include "unary.h"
#include "vc1.h"
#include "vc1_pred.h"
#include "vc1acdata.h"
#include "vc1data.h"
Go to the source code of this file.
Macros | |
#define | inc_blk_idx(idx) |
Functions | |
static void | vc1_put_blocks_clamped (VC1Context *v, int put_signed) |
static int | vc1_decode_p_mb (VC1Context *v) |
Decode one P-frame MB. More... | |
static int | vc1_decode_p_mb_intfr (VC1Context *v) |
static int | vc1_decode_p_mb_intfi (VC1Context *v) |
static int | vc1_decode_b_mb (VC1Context *v) |
Decode one B-frame MB (in Main profile) More... | |
static int | vc1_decode_b_mb_intfi (VC1Context *v) |
Decode one B-frame MB (in interlaced field B picture) More... | |
static int | vc1_decode_b_mb_intfr (VC1Context *v) |
Decode one B-frame MB (in interlaced frame B picture) More... | |
static void | vc1_decode_i_blocks (VC1Context *v) |
Decode blocks of I-frame. More... | |
static int | vc1_decode_i_blocks_adv (VC1Context *v) |
Decode blocks of I-frame for advanced profile. More... | |
static void | vc1_decode_p_blocks (VC1Context *v) |
static void | vc1_decode_b_blocks (VC1Context *v) |
static void | vc1_decode_skip_blocks (VC1Context *v) |
void | ff_vc1_decode_blocks (VC1Context *v) |
VC-1 Bitplane decoding | |
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static void | init_block_index (VC1Context *v) |
static void | update_block_index (MpegEncContext *s) |
VC1 Macroblock-level functions in Simple/Main Profiles | |
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static int | vc1_coded_block_pred (MpegEncContext *s, int n, uint8_t **coded_block_ptr) |
static int | vc1_decode_ac_coeff (VC1Context *v, int *last, int *skip, int *value, int codingset) |
Decode one AC coefficient. More... | |
static int | vc1_decode_i_block (VC1Context *v, int16_t block[64], int n, int coded, int codingset) |
Decode intra block in intra frames - should be faster than decode_intra_block. More... | |
static int | vc1_decode_i_block_adv (VC1Context *v, int16_t block[64], int n, int coded, int codingset, int mquant) |
Decode intra block in intra frames - should be faster than decode_intra_block. More... | |
static int | vc1_decode_intra_block (VC1Context *v, int16_t block[64], int n, int coded, int mquant, int codingset) |
Decode intra block in inter frames - more generic version than vc1_decode_i_block. More... | |
static int | vc1_decode_p_block (VC1Context *v, int16_t block[64], int n, int mquant, int ttmb, int first_block, uint8_t *dst, int linesize, int skip_block, int *ttmb_out) |
Decode P block. More... | |
Variables | |
static const uint8_t | offset_table [2][9] |
static const int | block_map [6] = {0, 2, 1, 3, 4, 5} |
static const uint8_t | size_table [6] = { 0, 2, 3, 4, 5, 8 } |
VC-1 Block-level functions | |
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#define | GET_MQUANT() |
Get macroblock-level quantizer scale. More... | |
#define | GET_MVDATA(_dmv_x, _dmv_y) |
Get MV differentials. More... | |
static av_always_inline void | get_mvdata_interlaced (VC1Context *v, int *dmv_x, int *dmv_y, int *pred_flag) |
static void | vc1_b_mc (VC1Context *v, int dmv_x[2], int dmv_y[2], int direct, int mode) |
Reconstruct motion vector for B-frame and do motion compensation. More... | |
static int | vc1_i_pred_dc (MpegEncContext *s, int overlap, int pq, int n, int16_t **dc_val_ptr, int *dir_ptr) |
Get predicted DC value for I-frames only prediction dir: left=0, top=1. More... | |
static int | ff_vc1_pred_dc (MpegEncContext *s, int overlap, int pq, int n, int a_avail, int c_avail, int16_t **dc_val_ptr, int *dir_ptr) |
Get predicted DC value prediction dir: left=0, top=1. More... | |
VC-1 and WMV3 block decoding routines
Definition in file vc1_block.c.
#define inc_blk_idx | ( | idx | ) |
Definition at line 169 of file vc1_block.c.
#define GET_MQUANT | ( | ) |
Get macroblock-level quantizer scale.
Definition at line 186 of file vc1_block.c.
#define GET_MVDATA | ( | _dmv_x, | |
_dmv_y | |||
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inlinestatic |
Definition at line 57 of file vc1_block.c.
Referenced by vc1_decode_b_blocks(), vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_p_blocks(), and vc1_decode_skip_blocks().
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inlinestatic |
Definition at line 68 of file vc1_block.c.
Referenced by vc1_decode_b_blocks(), vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_p_blocks(), and vc1_decode_skip_blocks().
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Definition at line 77 of file vc1_block.c.
Referenced by vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_p_mb(), vc1_decode_p_mb_intfi(), and vc1_decode_p_mb_intfr().
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Definition at line 267 of file vc1_block.c.
Referenced by vc1_decode_b_mb_intfi(), vc1_decode_b_mb_intfr(), vc1_decode_p_mb_intfi(), and vc1_decode_p_mb_intfr().
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inlinestatic |
Reconstruct motion vector for B-frame and do motion compensation.
Definition at line 318 of file vc1_block.c.
Referenced by vc1_decode_b_mb(), and vc1_decode_b_mb_intfi().
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inlinestatic |
Get predicted DC value for I-frames only prediction dir: left=0, top=1.
s | MpegEncContext | |
overlap | flag indicating that overlap filtering is used | |
pq | integer part of picture quantizer | |
[in] | n | block index in the current MB |
dc_val_ptr | Pointer to DC predictor | |
dir_ptr | Prediction direction for use in AC prediction |
Definition at line 344 of file vc1_block.c.
Referenced by vc1_decode_i_block().
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inlinestatic |
Get predicted DC value prediction dir: left=0, top=1.
s | MpegEncContext | |
overlap | flag indicating that overlap filtering is used | |
pq | integer part of picture quantizer | |
[in] | n | block index in the current MB |
a_avail | flag indicating top block availability | |
c_avail | flag indicating left block availability | |
dc_val_ptr | Pointer to DC predictor | |
dir_ptr | Prediction direction for use in AC prediction |
Definition at line 409 of file vc1_block.c.
Referenced by vc1_decode_i_block_adv(), and vc1_decode_intra_block().
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inlinestatic |
Definition at line 480 of file vc1_block.c.
Referenced by vc1_decode_i_blocks(), and vc1_decode_i_blocks_adv().
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Decode one AC coefficient.
v | The VC1 context |
last | Last coefficient |
skip | How much zero coefficients to skip |
value | Decoded AC coefficient value |
codingset | set of VLC to decode data |
Definition at line 516 of file vc1_block.c.
Referenced by vc1_decode_i_block(), vc1_decode_i_block_adv(), vc1_decode_intra_block(), and vc1_decode_p_block().
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Decode intra block in intra frames - should be faster than decode_intra_block.
v | VC1Context | |
block | block to decode | |
[in] | n | subblock index |
coded | are AC coeffs present or not | |
codingset | set of VLC to decode data |
Definition at line 583 of file vc1_block.c.
Referenced by vc1_decode_i_blocks().
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Decode intra block in intra frames - should be faster than decode_intra_block.
v | VC1Context | |
block | block to decode | |
[in] | n | subblock number |
coded | are AC coeffs present or not | |
codingset | set of VLC to decode data | |
mquant | quantizer value for this macroblock |
Definition at line 718 of file vc1_block.c.
Referenced by vc1_decode_i_blocks_adv().
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Decode intra block in inter frames - more generic version than vc1_decode_i_block.
v | VC1Context | |
block | block to decode | |
[in] | n | subblock index |
coded | are AC coeffs present or not | |
mquant | block quantizer | |
codingset | set of VLC to decode data |
Definition at line 906 of file vc1_block.c.
Referenced by vc1_decode_b_mb(), vc1_decode_b_mb_intfi(), vc1_decode_b_mb_intfr(), vc1_decode_p_mb(), vc1_decode_p_mb_intfi(), and vc1_decode_p_mb_intfr().
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Decode P block.
Definition at line 1110 of file vc1_block.c.
Referenced by vc1_decode_b_mb(), vc1_decode_b_mb_intfi(), vc1_decode_b_mb_intfr(), vc1_decode_p_mb(), vc1_decode_p_mb_intfi(), and vc1_decode_p_mb_intfr().
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Decode one P-frame MB.
Definition at line 1282 of file vc1_block.c.
Referenced by vc1_decode_p_blocks().
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Definition at line 1519 of file vc1_block.c.
Referenced by vc1_decode_p_blocks().
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Definition at line 1728 of file vc1_block.c.
Referenced by vc1_decode_p_blocks().
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Decode one B-frame MB (in Main profile)
Definition at line 1854 of file vc1_block.c.
Referenced by vc1_decode_b_blocks().
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Decode one B-frame MB (in interlaced field B picture)
Definition at line 2015 of file vc1_block.c.
Referenced by vc1_decode_b_blocks().
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Decode one B-frame MB (in interlaced frame B picture)
Definition at line 2185 of file vc1_block.c.
Referenced by vc1_decode_b_blocks().
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Decode blocks of I-frame.
Definition at line 2538 of file vc1_block.c.
Referenced by ff_vc1_decode_blocks().
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Decode blocks of I-frame for advanced profile.
Definition at line 2658 of file vc1_block.c.
Referenced by ff_vc1_decode_blocks().
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Definition at line 2794 of file vc1_block.c.
Referenced by ff_vc1_decode_blocks().
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Definition at line 2883 of file vc1_block.c.
Referenced by ff_vc1_decode_blocks().
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Definition at line 2961 of file vc1_block.c.
Referenced by ff_vc1_decode_blocks().
void ff_vc1_decode_blocks | ( | VC1Context * | v | ) |
Definition at line 2981 of file vc1_block.c.
Referenced by decode_wmv9(), and vc1_decode_frame().
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Definition at line 41 of file vc1_block.c.
Referenced by get_mvdata_interlaced().
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Definition at line 47 of file vc1_block.c.
Referenced by vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_p_mb(), vc1_decode_p_mb_intfi(), vc1_decode_p_mb_intfr(), and vc1_put_blocks_clamped().
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Definition at line 1278 of file vc1_block.c.