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authorAndreas Rheinhardt <andreas.rheinhardt@outlook.com>2022-10-20 04:38:10 +0200
committerAndreas Rheinhardt <andreas.rheinhardt@outlook.com>2022-10-24 00:47:00 +0200
commit0702fefd88a7a0cdce5a3f1d6bb09843b1c7a0be (patch)
tree5c9586e4d2228a7f8a5038c0ac8cb1f87e7276f0
parentee0e03fe772a244e5c3633b8024ae3b3485fbb54 (diff)
downloadffmpeg-0702fefd88a7a0cdce5a3f1d6bb09843b1c7a0be.tar.gz
avcodec/agm: Only keep what is used from ScanTable
Namely ScanTable.permutated. Reviewed-by: Peter Ross <pross@xvid.org> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
-rw-r--r--libavcodec/agm.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/libavcodec/agm.c b/libavcodec/agm.c
index 017aa0e1fa..374e4f4ef2 100644
--- a/libavcodec/agm.c
+++ b/libavcodec/agm.c
@@ -88,7 +88,7 @@ typedef struct AGMContext {
int luma_quant_matrix[64];
int chroma_quant_matrix[64];
- ScanTable scantable;
+ uint8_t permutated_scantable[64];
DECLARE_ALIGNED(32, int16_t, block)[64];
int16_t *wblocks;
@@ -195,7 +195,7 @@ static int read_code(GetBitContext *gb, int *oskip, int *level, int *map, int mo
static int decode_intra_blocks(AGMContext *s, GetBitContext *gb,
const int *quant_matrix, int *skip, int *dc_level)
{
- const uint8_t *scantable = s->scantable.permutated;
+ const uint8_t *scantable = s->permutated_scantable;
int level, ret, map = 0;
memset(s->wblocks, 0, s->wblocks_size);
@@ -237,7 +237,7 @@ static int decode_inter_blocks(AGMContext *s, GetBitContext *gb,
const int *quant_matrix, int *skip,
int *map)
{
- const uint8_t *scantable = s->scantable.permutated;
+ const uint8_t *scantable = s->permutated_scantable;
int level, ret;
memset(s->wblocks, 0, s->wblocks_size);
@@ -272,7 +272,7 @@ static int decode_inter_blocks(AGMContext *s, GetBitContext *gb,
static int decode_intra_block(AGMContext *s, GetBitContext *gb,
const int *quant_matrix, int *skip, int *dc_level)
{
- const uint8_t *scantable = s->scantable.permutated;
+ const uint8_t *scantable = s->permutated_scantable;
const int offset = s->plus ? 0 : 1024;
int16_t *block = s->block;
int level, ret, map = 0;
@@ -362,7 +362,7 @@ static int decode_inter_block(AGMContext *s, GetBitContext *gb,
const int *quant_matrix, int *skip,
int *map)
{
- const uint8_t *scantable = s->scantable.permutated;
+ const uint8_t *scantable = s->permutated_scantable;
int16_t *block = s->block;
int level, ret;
@@ -1249,7 +1249,8 @@ static av_cold int decode_init(AVCodecContext *avctx)
avctx->idct_algo = FF_IDCT_SIMPLE;
ff_idctdsp_init(&s->idsp, avctx);
- ff_init_scantable(s->idsp.idct_permutation, &s->scantable, ff_zigzag_direct);
+ ff_permute_scantable(s->permutated_scantable, ff_zigzag_direct,
+ s->idsp.idct_permutation);
s->prev_frame = av_frame_alloc();
if (!s->prev_frame)