FFmpeg
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Chinese AVS video (AVS1-P2, JiZhun profile) decoder. More...
#include "avcodec.h"
#include "get_bits.h"
#include "golomb.h"
#include "h264chroma.h"
#include "idctdsp.h"
#include "internal.h"
#include "mathops.h"
#include "qpeldsp.h"
#include "cavs.h"
Go to the source code of this file.
Macros | |
#define | SET_PARAMS |
#define | LOWPASS(ARRAY, INDEX) ((ARRAY[(INDEX) - 1] + 2 * ARRAY[(INDEX)] + ARRAY[(INDEX) + 1] + 2) >> 2) |
Variables | |
static const uint8_t | alpha_tab [64] |
static const uint8_t | beta_tab [64] |
static const uint8_t | tc_tab [64] |
static const cavs_vector | un_mv = { 0, 0, 1, NOT_AVAIL } |
mark block as unavailable, i.e. More... | |
static const int8_t | left_modifier_l [8] = { 0, -1, 6, -1, -1, 7, 6, 7 } |
static const int8_t | top_modifier_l [8] = { -1, 1, 5, -1, -1, 5, 7, 7 } |
static const int8_t | left_modifier_c [7] = { 5, -1, 2, -1, 6, 5, 6 } |
static const int8_t | top_modifier_c [7] = { 4, 1, -1, -1, 4, 6, 6 } |
Chinese AVS video (AVS1-P2, JiZhun profile) decoder.
Definition in file cavs.c.
#define SET_PARAMS |
#define LOWPASS | ( | ARRAY, | |
INDEX | |||
) | ((ARRAY[(INDEX) - 1] + 2 * ARRAY[(INDEX)] + ARRAY[(INDEX) + 1] + 2) >> 2) |
Definition at line 305 of file cavs.c.
Referenced by avfilter_register_all(), intra_pred_down_left(), intra_pred_down_right(), intra_pred_lp(), intra_pred_lp_left(), and intra_pred_lp_top().
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inlinestatic |
Definition at line 74 of file cavs.c.
Referenced by ff_cavs_filter().
void ff_cavs_filter | ( | AVSContext * | h, |
enum cavs_mb | mb_type | ||
) |
in-loop deblocking filter for a single macroblock
boundary strength (bs) mapping:
–4—5– 0 2 | | 6 | 7 |
Definition at line 110 of file cavs.c.
Referenced by decode_mb_b(), decode_mb_i(), and decode_mb_p().
void ff_cavs_load_intra_pred_luma | ( | AVSContext * | h, |
uint8_t * | top, | ||
uint8_t ** | left, | ||
int | block | ||
) |
Definition at line 186 of file cavs.c.
Referenced by decode_mb_i().
void ff_cavs_load_intra_pred_chroma | ( | AVSContext * | h | ) |
Definition at line 237 of file cavs.c.
Referenced by decode_mb_i().
Definition at line 260 of file cavs.c.
Referenced by ff_cavs_init().
Definition at line 268 of file cavs.c.
Referenced by ff_cavs_init().
Definition at line 278 of file cavs.c.
Referenced by ff_cavs_init().
Definition at line 286 of file cavs.c.
Referenced by ff_cavs_init().
Definition at line 308 of file cavs.c.
Referenced by ff_cavs_init().
Definition at line 316 of file cavs.c.
Referenced by ff_cavs_init().
Definition at line 324 of file cavs.c.
Referenced by ff_cavs_init().
Definition at line 337 of file cavs.c.
Referenced by ff_cavs_init().
Definition at line 345 of file cavs.c.
Referenced by ff_cavs_init().
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inlinestatic |
Definition at line 355 of file cavs.c.
Referenced by ff_cavs_modify_mb_i().
void ff_cavs_modify_mb_i | ( | AVSContext * | h, |
int * | pred_mode_uv | ||
) |
Definition at line 364 of file cavs.c.
Referenced by decode_mb_i().
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inlinestatic |
Definition at line 391 of file cavs.c.
Referenced by mc_part_std().
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inlinestatic |
Definition at line 457 of file cavs.c.
Referenced by ff_cavs_inter(), and mc_part().
void ff_cavs_inter | ( | AVSContext * | h, |
enum cavs_mb | mb_type | ||
) |
Definition at line 495 of file cavs.c.
Referenced by decode_mb_b(), and decode_mb_p().
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inlinestatic |
Definition at line 538 of file cavs.c.
Referenced by mv_pred_median().
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inlinestatic |
Definition at line 547 of file cavs.c.
Referenced by ff_cavs_mv().
void ff_cavs_mv | ( | AVSContext * | h, |
enum cavs_mv_loc | nP, | ||
enum cavs_mv_loc | nC, | ||
enum cavs_mv_pred | mode, | ||
enum cavs_block | size, | ||
int | ref | ||
) |
Definition at line 577 of file cavs.c.
Referenced by decode_mb_b(), and decode_mb_p().
void ff_cavs_init_mb | ( | AVSContext * | h | ) |
initialise predictors for motion vectors and intra prediction
Definition at line 632 of file cavs.c.
Referenced by decode_mb_b(), decode_mb_i(), and decode_mb_p().
int ff_cavs_next_mb | ( | AVSContext * | h | ) |
save predictors for later macroblocks and increase macroblock address
Definition at line 673 of file cavs.c.
Referenced by decode_pic().
int ff_cavs_init_pic | ( | AVSContext * | h | ) |
Definition at line 718 of file cavs.c.
Referenced by decode_pic().
int ff_cavs_init_top_lines | ( | AVSContext * | h | ) |
some predictions require data from the top-neighbouring macroblock.
this data has to be stored for one complete row of macroblocks and this storage space is allocated here
Definition at line 754 of file cavs.c.
Referenced by decode_seq_header().
av_cold int ff_cavs_init | ( | AVCodecContext * | avctx | ) |
av_cold int ff_cavs_end | ( | AVCodecContext * | avctx | ) |
Definition at line 835 of file cavs.c.
Referenced by ff_cavs_init().
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mark block as unavailable, i.e.
out of picture or not yet decoded
Definition at line 61 of file cavs.c.
Referenced by ff_cavs_init(), ff_cavs_init_mb(), and ff_cavs_mv().
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Definition at line 63 of file cavs.c.
Referenced by ff_cavs_modify_mb_i().
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Definition at line 64 of file cavs.c.
Referenced by ff_cavs_modify_mb_i().
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Definition at line 65 of file cavs.c.
Referenced by ff_cavs_modify_mb_i().
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Definition at line 66 of file cavs.c.
Referenced by ff_cavs_modify_mb_i().