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svq1enc: reduce stack usage of recursively-called function.

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Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
This commit is contained in:
Reimar Döffinger 2014-11-22 19:50:37 +01:00
parent 458aadf862
commit d0682b5eb0
2 changed files with 3 additions and 1 deletions
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2
libavcodec/svq1enc.c
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@ -96,7 +96,7 @@ static int encode_block(SVQ1EncContext *s, uint8_t *src, uint8_t *ref,
int w = 2 << (level + 2 >> 1); int w = 2 << (level + 2 >> 1);
int h = 2 << (level + 1 >> 1); int h = 2 << (level + 1 >> 1);
int size = w * h; int size = w * h;
DECLARE_ALIGNED(16, int16_t, block)[7][256]; int16_t (*block)[256] = s->encoded_block_levels[level];
const int8_t *codebook_sum, *codebook; const int8_t *codebook_sum, *codebook;
const uint16_t(*mean_vlc)[2]; const uint16_t(*mean_vlc)[2];
const uint8_t(*multistage_vlc)[2]; const uint8_t(*multistage_vlc)[2];

2
libavcodec/svq1enc.h
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@ -59,6 +59,8 @@ typedef struct SVQ1EncContext {
int c_block_width; int c_block_width;
int c_block_height; int c_block_height;
DECLARE_ALIGNED(16, int16_t, encoded_block_levels)[6][7][256];
uint16_t *mb_type; uint16_t *mb_type;
uint32_t *dummy; uint32_t *dummy;
int16_t (*motion_val8[3])[2]; int16_t (*motion_val8[3])[2];