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[FFmpeg-devel,08/22] avcodec/agm: Only keep what is used from ScanTable

Message ID AS8P250MB0744172E5A02C7D2A03B769F8F2A9@AS8P250MB0744.EURP250.PROD.OUTLOOK.COM
State Superseded
Headers show
Series [FFmpeg-devel,01/22] configure: Add idctdsp dependency to codecs that need it | expand

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Commit Message

Andreas Rheinhardt Oct. 20, 2022, 8:45 a.m. UTC
Namely ScanTable.permutated.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
 libavcodec/agm.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)
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Patch

diff --git a/libavcodec/agm.c b/libavcodec/agm.c
index 017aa0e1fa..c365ed7e9a 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 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->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->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->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->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->scantable, ff_zigzag_direct,
+                         s->idsp.idct_permutation);
 
     s->prev_frame = av_frame_alloc();
     if (!s->prev_frame)