FFmpeg
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#include <stddef.h>
#include <stdint.h>
Go to the source code of this file.
Data Structures | |
struct | DWTCompose |
struct | slice_buffer_s |
Used to minimize the amount of memory used in order to optimize cache performance. More... | |
struct | SnowDWTContext |
Macros | |
#define | MAX_DECOMPOSITIONS 8 |
#define | DWT_97 0 |
#define | DWT_53 1 |
#define | liftS lift |
#define | W_AM 3 |
#define | W_AO 0 |
#define | W_AS 1 |
#define | W_BM 1 |
#define | W_BO 8 |
#define | W_BS 4 |
#define | W_CM 1 |
#define | W_CO 0 |
#define | W_CS 0 |
#define | W_DM 3 |
#define | W_DO 4 |
#define | W_DS 3 |
#define | slice_buffer_get_line(slice_buf, line_num) |
Typedefs | |
typedef int | DWTELEM |
typedef short | IDWTELEM |
Functions | |
int | ff_slice_buffer_init (slice_buffer *buf, int line_count, int max_allocated_lines, int line_width, IDWTELEM *base_buffer) |
void | ff_slice_buffer_release (slice_buffer *buf, int line) |
void | ff_slice_buffer_flush (slice_buffer *buf) |
void | ff_slice_buffer_destroy (slice_buffer *buf) |
IDWTELEM * | ff_slice_buffer_load_line (slice_buffer *buf, int line) |
void | ff_snow_inner_add_yblock (const uint8_t *obmc, const int obmc_stride, uint8_t **block, int b_w, int b_h, int src_x, int src_y, int src_stride, slice_buffer *sb, int add, uint8_t *dst8) |
int | ff_w53_32_c (struct MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, ptrdiff_t line_size, int h) |
int | ff_w97_32_c (struct MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, ptrdiff_t line_size, int h) |
void | ff_spatial_dwt (int *buffer, int *temp, int width, int height, int stride, int type, int decomposition_count) |
void | ff_spatial_idwt_buffered_init (DWTCompose *cs, slice_buffer *sb, int width, int height, int stride_line, int type, int decomposition_count) |
void | ff_spatial_idwt_buffered_slice (SnowDWTContext *dsp, DWTCompose *cs, slice_buffer *slice_buf, IDWTELEM *temp, int width, int height, int stride_line, int type, int decomposition_count, int y) |
void | ff_spatial_idwt (IDWTELEM *buffer, IDWTELEM *temp, int width, int height, int stride, int type, int decomposition_count) |
void | ff_dwt_init (SnowDWTContext *c) |
void | ff_dwt_init_x86 (SnowDWTContext *c) |
#define MAX_DECOMPOSITIONS 8 |
Definition at line 32 of file snow_dwt.h.
#define DWT_97 0 |
Definition at line 68 of file snow_dwt.h.
#define DWT_53 1 |
Definition at line 69 of file snow_dwt.h.
#define liftS lift |
Definition at line 71 of file snow_dwt.h.
#define W_AM 3 |
Definition at line 72 of file snow_dwt.h.
#define W_AO 0 |
Definition at line 73 of file snow_dwt.h.
#define W_AS 1 |
Definition at line 74 of file snow_dwt.h.
#define W_BM 1 |
Definition at line 77 of file snow_dwt.h.
#define W_BO 8 |
Definition at line 78 of file snow_dwt.h.
#define W_BS 4 |
Definition at line 79 of file snow_dwt.h.
#define W_CM 1 |
Definition at line 81 of file snow_dwt.h.
#define W_CO 0 |
Definition at line 82 of file snow_dwt.h.
#define W_CS 0 |
Definition at line 83 of file snow_dwt.h.
#define W_DM 3 |
Definition at line 85 of file snow_dwt.h.
#define W_DO 4 |
Definition at line 86 of file snow_dwt.h.
#define W_DS 3 |
Definition at line 87 of file snow_dwt.h.
#define slice_buffer_get_line | ( | slice_buf, | |
line_num | |||
) |
Definition at line 89 of file snow_dwt.h.
Definition at line 27 of file snow_dwt.h.
Definition at line 30 of file snow_dwt.h.
int ff_slice_buffer_init | ( | slice_buffer * | buf, |
int | line_count, | ||
int | max_allocated_lines, | ||
int | line_width, | ||
IDWTELEM * | base_buffer | ||
) |
Definition at line 28 of file snow_dwt.c.
Referenced by decode_frame().
void ff_slice_buffer_release | ( | slice_buffer * | buf, |
int | line | ||
) |
Definition at line 78 of file snow_dwt.c.
Referenced by decode_frame(), and ff_slice_buffer_flush().
void ff_slice_buffer_flush | ( | slice_buffer * | buf | ) |
Definition at line 91 of file snow_dwt.c.
Referenced by decode_frame(), and ff_slice_buffer_destroy().
void ff_slice_buffer_destroy | ( | slice_buffer * | buf | ) |
Definition at line 103 of file snow_dwt.c.
Referenced by decode_end(), and decode_frame().
Definition at line 62 of file snow_dwt.c.
void ff_snow_inner_add_yblock | ( | const uint8_t * | obmc, |
const int | obmc_stride, | ||
uint8_t ** | block, | ||
int | b_w, | ||
int | b_h, | ||
int | src_x, | ||
int | src_y, | ||
int | src_stride, | ||
slice_buffer * | sb, | ||
int | add, | ||
uint8_t * | dst8 | ||
) |
Definition at line 31 of file snow.c.
Referenced by ff_dwt_init().
int ff_w53_32_c | ( | struct MpegEncContext * | v, |
const uint8_t * | pix1, | ||
const uint8_t * | pix2, | ||
ptrdiff_t | line_size, | ||
int | h | ||
) |
Definition at line 832 of file snow_dwt.c.
Referenced by get_block_rd().
int ff_w97_32_c | ( | struct MpegEncContext * | v, |
const uint8_t * | pix1, | ||
const uint8_t * | pix2, | ||
ptrdiff_t | line_size, | ||
int | h | ||
) |
Definition at line 837 of file snow_dwt.c.
Referenced by get_block_rd().
void ff_spatial_dwt | ( | int * | buffer, |
int * | temp, | ||
int | width, | ||
int | height, | ||
int | stride, | ||
int | type, | ||
int | decomposition_count | ||
) |
Definition at line 319 of file snow_dwt.c.
Referenced by encode_frame(), main(), and w_c().
void ff_spatial_idwt_buffered_init | ( | DWTCompose * | cs, |
slice_buffer * | sb, | ||
int | width, | ||
int | height, | ||
int | stride_line, | ||
int | type, | ||
int | decomposition_count | ||
) |
Definition at line 639 of file snow_dwt.c.
Referenced by decode_frame().
void ff_spatial_idwt_buffered_slice | ( | SnowDWTContext * | dsp, |
DWTCompose * | cs, | ||
slice_buffer * | slice_buf, | ||
IDWTELEM * | temp, | ||
int | width, | ||
int | height, | ||
int | stride_line, | ||
int | type, | ||
int | decomposition_count, | ||
int | y | ||
) |
Definition at line 658 of file snow_dwt.c.
Referenced by decode_frame().
void ff_spatial_idwt | ( | IDWTELEM * | buffer, |
IDWTELEM * | temp, | ||
int | width, | ||
int | height, | ||
int | stride, | ||
int | type, | ||
int | decomposition_count | ||
) |
Definition at line 731 of file snow_dwt.c.
Referenced by calculate_visual_weight(), encode_frame(), and main().
void ff_dwt_init | ( | SnowDWTContext * | c | ) |
Definition at line 850 of file snow_dwt.c.
Referenced by ff_snow_common_init().
void ff_dwt_init_x86 | ( | SnowDWTContext * | c | ) |
Definition at line 882 of file snowdsp.c.
Referenced by ff_dwt_init().