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Code Issues Releases Activity

mpegvideoenc: make a table const

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This commit is contained in:
Anton Khirnov 2016-05-22 21:20:31 +02:00
parent 296eff4d9d
commit b4a911c189
1 changed files with 6 additions and 5 deletions
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11
libavcodec/x86/mpegvideoenc.c
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@ -28,7 +28,12 @@
#include "libavcodec/mpegvideo.h"
/* not permutated inverse zigzag_direct + 1 for MMX quantizer */
DECLARE_ALIGNED(16, static uint16_t, inv_zigzag_direct16)[64];
DECLARE_ALIGNED(16, static const uint16_t, inv_zigzag_direct16)[64] = {
1, 2, 6, 7, 15, 16, 28, 29, 3, 5, 8, 14, 17, 27, 30, 43, 4, 9, 13,
18, 26, 31, 42, 44, 10, 12, 19, 25, 32, 41, 45, 54, 11, 20, 24, 33, 40, 46,
53, 55, 21, 23, 34, 39, 47, 52, 56, 61, 22, 35, 38, 48, 51, 57, 60, 62, 36,
37, 49, 50, 58, 59, 63, 64,
};
#if HAVE_MMX_INLINE
#define COMPILE_TEMPLATE_MMXEXT 0
@ -196,10 +201,6 @@ static void denoise_dct_sse2(MpegEncContext *s, int16_t *block){
av_cold void ff_mpv_encode_init_x86(MpegEncContext *s)
{
const int dct_algo = s->avctx->dct_algo;
int i;
for (i = 0; i < 64; i++)
inv_zigzag_direct16[ff_zigzag_direct[i]] = i + 1;
if (dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX) {
#if HAVE_MMX_INLINE