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Linshizhi
ffmpeg.wasm-core
Commits
149fa0b7
Commit
149fa0b7
authored
May 29, 2015
by
Vittorio Giovara
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mpegvideo: Move MotionEstContext and function declarations to a separate header
parent
b2b76691
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3 changed files
with
130 additions
and
87 deletions
+130
-87
motion_est.c
libavcodec/motion_est.c
+1
-0
motion_est.h
libavcodec/motion_est.h
+128
-0
mpegvideo.h
libavcodec/mpegvideo.h
+1
-87
No files found.
libavcodec/motion_est.c
View file @
149fa0b7
...
@@ -34,6 +34,7 @@
...
@@ -34,6 +34,7 @@
#include "avcodec.h"
#include "avcodec.h"
#include "internal.h"
#include "internal.h"
#include "mathops.h"
#include "mathops.h"
#include "motion_est.h"
#include "mpegutils.h"
#include "mpegutils.h"
#include "mpegvideo.h"
#include "mpegvideo.h"
...
...
libavcodec/motion_est.h
0 → 100644
View file @
149fa0b7
/*
* Motion estimation
*
* This file is part of Libav.
*
* Libav 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 2.1 of the License, or (at your option) any later version.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_MOTIONEST_H
#define AVCODEC_MOTIONEST_H
#include <stdint.h>
#include "avcodec.h"
#include "hpeldsp.h"
#include "qpeldsp.h"
struct
MpegEncContext
;
#define MAX_MV 2048
/**
* 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
;
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
];
///< bit amount 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
;
static
inline
int
ff_h263_round_chroma
(
int
x
)
{
//FIXME static or not?
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
);
}
int
ff_init_me
(
struct
MpegEncContext
*
s
);
void
ff_estimate_p_frame_motion
(
struct
MpegEncContext
*
s
,
int
mb_x
,
int
mb_y
);
void
ff_estimate_b_frame_motion
(
struct
MpegEncContext
*
s
,
int
mb_x
,
int
mb_y
);
int
ff_pre_estimate_p_frame_motion
(
struct
MpegEncContext
*
s
,
int
mb_x
,
int
mb_y
);
int
ff_epzs_motion_search
(
struct
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
(
struct
MpegEncContext
*
s
,
int
mx
,
int
my
,
int
src_index
,
int
ref_index
,
int
size
,
int
h
,
int
add_rate
);
int
ff_get_best_fcode
(
struct
MpegEncContext
*
s
,
int16_t
(
*
mv_table
)[
2
],
int
type
);
void
ff_fix_long_p_mvs
(
struct
MpegEncContext
*
s
);
void
ff_fix_long_mvs
(
struct
MpegEncContext
*
s
,
uint8_t
*
field_select_table
,
int
field_select
,
int16_t
(
*
mv_table
)[
2
],
int
f_code
,
int
type
,
int
truncate
);
extern
const
uint8_t
ff_aic_dc_scale_table
[
32
];
extern
const
uint8_t
ff_h263_chroma_qscale_table
[
32
];
#endif
/* AVCODEC_MOTIONEST_H */
libavcodec/mpegvideo.h
View file @
149fa0b7
...
@@ -39,6 +39,7 @@
...
@@ -39,6 +39,7 @@
#include "hpeldsp.h"
#include "hpeldsp.h"
#include "idctdsp.h"
#include "idctdsp.h"
#include "me_cmp.h"
#include "me_cmp.h"
#include "motion_est.h"
#include "mpegvideodsp.h"
#include "mpegvideodsp.h"
#include "mpegvideoencdsp.h"
#include "mpegvideoencdsp.h"
#include "pixblockdsp.h"
#include "pixblockdsp.h"
...
@@ -62,7 +63,6 @@ enum OutputFormat {
...
@@ -62,7 +63,6 @@ enum OutputFormat {
};
};
#define MAX_FCODE 7
#define MAX_FCODE 7
#define MAX_MV 2048
#define MAX_THREADS 16
#define MAX_THREADS 16
...
@@ -88,8 +88,6 @@ enum OutputFormat {
...
@@ -88,8 +88,6 @@ enum OutputFormat {
#define EXT_START_CODE 0x000001b5
#define EXT_START_CODE 0x000001b5
#define USER_START_CODE 0x000001b2
#define USER_START_CODE 0x000001b2
struct
MpegEncContext
;
/**
/**
* Picture.
* Picture.
*/
*/
...
@@ -139,62 +137,6 @@ typedef struct Picture{
...
@@ -139,62 +137,6 @@ typedef struct Picture{
int
shared
;
int
shared
;
}
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.
* MpegEncContext.
*/
*/
...
@@ -792,34 +734,6 @@ static inline int get_bits_diff(MpegEncContext *s){
...
@@ -792,34 +734,6 @@ static inline int get_bits_diff(MpegEncContext *s){
return
bits
-
last
;
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
);
extern
const
uint8_t
ff_aic_dc_scale_table
[
32
];
extern
const
uint8_t
ff_h263_chroma_qscale_table
[
32
];
/* rv10.c */
/* rv10.c */
int
ff_rv10_encode_picture_header
(
MpegEncContext
*
s
,
int
picture_number
);
int
ff_rv10_encode_picture_header
(
MpegEncContext
*
s
,
int
picture_number
);
int
ff_rv_decode_dc
(
MpegEncContext
*
s
,
int
n
);
int
ff_rv_decode_dc
(
MpegEncContext
*
s
,
int
n
);
...
...
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