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Code Issues Releases Activity

Move eatgq blocks array from the stack to the codec context and make sure

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it is aligned as necessary for DSPContext's idct_put.
Just aligning it on the stack would have been possible but less reliable
and without any real benefit.

Originally committed as revision 18896 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2009-05-22 18:39:00 +00:00
parent 533c3c84e7
commit f2a875db87
1 changed files with 3 additions and 3 deletions
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6
libavcodec/eatgq.c
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@ -42,6 +42,7 @@ typedef struct TgqContext {
int width,height;
ScanTable scantable;
int qtable[64];
DECLARE_ALIGNED_16(DCTELEM, block[6][64]);
} TgqContext;
static av_cold int tgq_decode_init(AVCodecContext *avctx){
@ -144,7 +145,6 @@ static void tgq_decode_mb(TgqContext *s, int mb_y, int mb_x, const uint8_t **bs,
int mode;
int i;
int8_t dc[6];
DCTELEM block[6][64];
mode = bytestream_get_byte(bs);
if (mode>buf_end-*bs) {
@ -156,8 +156,8 @@ static void tgq_decode_mb(TgqContext *s, int mb_y, int mb_x, const uint8_t **bs,
GetBitContext gb;
init_get_bits(&gb, *bs, mode*8);
for(i=0; i<6; i++)
tgq_decode_block(s, block[i], &gb);
tgq_idct_put_mb(s, block, mb_x, mb_y);
tgq_decode_block(s, s->block[i], &gb);
tgq_idct_put_mb(s, s->block, mb_x, mb_y);
}else{
if (mode==3) {
memset(dc, (*bs)[0], 4);