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avcodec/cavs: Only keep what is needed from IDCTDSP-API 

Namely ScanTable.permutated. The rest of the IDCTDSP-API
is unused as cavs has its own idct.

Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-10-20 05:40:00 +02:00
parent b1bcff3ac0
commit 250d556343
3 changed files with 10 additions and 8 deletions
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7
libavcodec/cavs.c
View File

@ -792,15 +792,14 @@ int ff_cavs_init_top_lines(AVSContext *h)
av_cold int ff_cavs_init(AVCodecContext *avctx)
{
AVSContext *h = avctx->priv_data;
uint8_t permutation[64];
ff_blockdsp_init(&h->bdsp);
ff_h264chroma_init(&h->h264chroma, 8);
ff_idctdsp_init(&h->idsp, avctx);
ff_videodsp_init(&h->vdsp, 8);
ff_cavsdsp_init(&h->cdsp);
ff_init_scantable_permutation(h->idsp.idct_permutation,
h->cdsp.idct_perm);
ff_init_scantable(h->idsp.idct_permutation, &h->scantable, ff_zigzag_direct);
ff_init_scantable_permutation(permutation, h->cdsp.idct_perm);
ff_permute_scantable(h->permutated_scantable, ff_zigzag_direct, permutation);
h->avctx = avctx;
avctx->pix_fmt = AV_PIX_FMT_YUV420P;

9
libavcodec/cavs.h
View File

@ -22,12 +22,16 @@
#ifndef AVCODEC_CAVS_H
#define AVCODEC_CAVS_H
#include <stddef.h>
#include <stdint.h>
#include "libavutil/frame.h"
#include "libavutil/mem_internal.h"
#include "avcodec.h"
#include "cavsdsp.h"
#include "blockdsp.h"
#include "h264chroma.h"
#include "idctdsp.h"
#include "get_bits.h"
#include "videodsp.h"
@ -166,7 +170,6 @@ typedef struct AVSContext {
AVCodecContext *avctx;
BlockDSPContext bdsp;
H264ChromaContext h264chroma;
IDCTDSPContext idsp;
VideoDSPContext vdsp;
CAVSDSPContext cdsp;
GetBitContext gb;
@ -220,7 +223,7 @@ typedef struct AVSContext {
int qp_fixed;
int pic_qp_fixed;
int cbp;
ScanTable scantable;
uint8_t permutated_scantable[64];
/** intra prediction is done with un-deblocked samples
they are saved here before deblocking the MB */

2
libavcodec/cavsdec.c
View File

@ -521,7 +521,7 @@ static inline int dequant(AVSContext *h, int16_t *level_buf, uint8_t *run_buf,
{
int round = 1 << (shift - 1);
int pos = -1;
const uint8_t *scantab = h->scantable.permutated;
const uint8_t *scantab = h->permutated_scantable;
/* inverse scan and dequantization */
while (--coeff_num >= 0) {