Libav
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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 "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) |
Functions | |
static int | get_bs (cavs_vector *mvP, cavs_vector *mvQ, int b) |
void | ff_cavs_filter (AVSContext *h, enum cavs_mb mb_type) |
in-loop deblocking filter for a single macroblock More... | |
void | ff_cavs_load_intra_pred_luma (AVSContext *h, uint8_t *top, uint8_t **left, int block) |
void | ff_cavs_load_intra_pred_chroma (AVSContext *h) |
static void | intra_pred_vert (uint8_t *d, uint8_t *top, uint8_t *left, int stride) |
static void | intra_pred_horiz (uint8_t *d, uint8_t *top, uint8_t *left, int stride) |
static void | intra_pred_dc_128 (uint8_t *d, uint8_t *top, uint8_t *left, int stride) |
static void | intra_pred_plane (uint8_t *d, uint8_t *top, uint8_t *left, int stride) |
static void | intra_pred_lp (uint8_t *d, uint8_t *top, uint8_t *left, int stride) |
static void | intra_pred_down_left (uint8_t *d, uint8_t *top, uint8_t *left, int stride) |
static void | intra_pred_down_right (uint8_t *d, uint8_t *top, uint8_t *left, int stride) |
static void | intra_pred_lp_left (uint8_t *d, uint8_t *top, uint8_t *left, int stride) |
static void | intra_pred_lp_top (uint8_t *d, uint8_t *top, uint8_t *left, int stride) |
static void | modify_pred (const int8_t *mod_table, int *mode) |
void | ff_cavs_modify_mb_i (AVSContext *h, int *pred_mode_uv) |
static void | mc_dir_part (AVSContext *h, AVFrame *pic, int chroma_height, int delta, int list, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int src_x_offset, int src_y_offset, qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op, cavs_vector *mv) |
static void | mc_part_std (AVSContext *h, int chroma_height, int delta, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int x_offset, int y_offset, qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put, qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg, cavs_vector *mv) |
void | ff_cavs_inter (AVSContext *h, enum cavs_mb mb_type) |
static void | scale_mv (AVSContext *h, int *d_x, int *d_y, cavs_vector *src, int distp) |
static void | mv_pred_median (AVSContext *h, cavs_vector *mvP, cavs_vector *mvA, cavs_vector *mvB, cavs_vector *mvC) |
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) |
void | ff_cavs_init_mb (AVSContext *h) |
initialise predictors for motion vectors and intra prediction More... | |
int | ff_cavs_next_mb (AVSContext *h) |
save predictors for later macroblocks and increase macroblock address More... | |
void | ff_cavs_init_pic (AVSContext *h) |
void | ff_cavs_init_top_lines (AVSContext *h) |
some predictions require data from the top-neighbouring macroblock. More... | |
av_cold int | ff_cavs_init (AVCodecContext *avctx) |
av_cold int | ff_cavs_end (AVCodecContext *avctx) |
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 294 of file cavs.c.
Referenced by 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 73 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 108 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 180 of file cavs.c.
Referenced by decode_mb_i().
void ff_cavs_load_intra_pred_chroma | ( | AVSContext * | h | ) |
Definition at line 231 of file cavs.c.
Referenced by decode_mb_i().
Definition at line 249 of file cavs.c.
Referenced by ff_cavs_init().
Definition at line 257 of file cavs.c.
Referenced by ff_cavs_init().
Definition at line 267 of file cavs.c.
Referenced by ff_cavs_init().
Definition at line 275 of file cavs.c.
Referenced by ff_cavs_init().
Definition at line 297 of file cavs.c.
Referenced by ff_cavs_init().
Definition at line 305 of file cavs.c.
Referenced by ff_cavs_init().
Definition at line 313 of file cavs.c.
Referenced by ff_cavs_init().
Definition at line 326 of file cavs.c.
Referenced by ff_cavs_init().
Definition at line 334 of file cavs.c.
Referenced by ff_cavs_init().
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inlinestatic |
Definition at line 344 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 353 of file cavs.c.
Referenced by decode_mb_i().
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inlinestatic |
Definition at line 380 of file cavs.c.
Referenced by mc_part_std().
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inlinestatic |
Definition at line 446 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 484 of file cavs.c.
Referenced by decode_mb_b(), and decode_mb_p().
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inlinestatic |
Definition at line 527 of file cavs.c.
Referenced by mv_pred_median().
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inlinestatic |
Definition at line 536 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 566 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 621 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 662 of file cavs.c.
Referenced by decode_pic().
void ff_cavs_init_pic | ( | AVSContext * | h | ) |
Definition at line 707 of file cavs.c.
Referenced by decode_pic().
void 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 741 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 805 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 60 of file cavs.c.
Referenced by ff_cavs_init(), ff_cavs_init_mb(), and ff_cavs_mv().
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Definition at line 62 of file cavs.c.
Referenced by ff_cavs_modify_mb_i().
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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().