virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

Merge remote-tracking branch 'qatar/master'

Browse Source 
* qatar/master:
  dsputil: x86: Move ff_inv_zigzag_direct16 table init to mpegvideo

If someone optimizes dct_quantize for non x86 SIMD, then this
probably needs to be reverted.

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-12-02 10:59:41 +01:00
commit be2312aa8f
3 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
libavcodec/dsputil.c
View File

@ -69,9 +69,6 @@ const uint8_t ff_zigzag248_direct[64] = {
53, 61, 54, 62, 39, 47, 55, 63,
};
/* not permutated inverse zigzag_direct + 1 for MMX quantizer */
DECLARE_ALIGNED(16, uint16_t, ff_inv_zigzag_direct16)[64];
const uint8_t ff_alternate_horizontal_scan[64] = {
0, 1, 2, 3, 8, 9, 16, 17,
10, 11, 4, 5, 6, 7, 15, 14,
@ -2577,8 +2574,6 @@ av_cold void ff_dsputil_static_init(void)
for(i=0;i<512;i++) {
ff_squareTbl[i] = (i - 256) * (i - 256);
}
for(i=0; i<64; i++) ff_inv_zigzag_direct16[ff_zigzag_direct[i]]= i+1;
}
int ff_check_alignment(void){

7
libavcodec/x86/mpegvideoenc.c
View File

@ -28,7 +28,8 @@
#include "libavcodec/mpegvideo.h"
#include "dsputil_x86.h"
extern uint16_t ff_inv_zigzag_direct16[64];
/* not permutated inverse zigzag_direct + 1 for MMX quantizer */
DECLARE_ALIGNED(16, static uint16_t, inv_zigzag_direct16)[64];
#if HAVE_MMX_INLINE
#define COMPILE_TEMPLATE_MMXEXT 0
@ -84,6 +85,10 @@ extern uint16_t ff_inv_zigzag_direct16[64];
av_cold void ff_dct_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

4
libavcodec/x86/mpegvideoenc_template.c
View File

@ -171,7 +171,7 @@ static int RENAME(dct_quantize)(MpegEncContext *s,
"movzb %%al, %%"REG_a" \n\t" // last_non_zero_p1
: "+a" (last_non_zero_p1)
: "r" (block+64), "r" (qmat), "r" (bias),
"r" (ff_inv_zigzag_direct16+64), "r" (temp_block+64)
"r" (inv_zigzag_direct16 + 64), "r" (temp_block + 64)
XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7")
);
@ -205,7 +205,7 @@ static int RENAME(dct_quantize)(MpegEncContext *s,
"movzb %%al, %%"REG_a" \n\t" // last_non_zero_p1
: "+a" (last_non_zero_p1)
: "r" (block+64), "r" (qmat+64), "r" (bias+64),
"r" (ff_inv_zigzag_direct16+64), "r" (temp_block+64)
"r" (inv_zigzag_direct16 + 64), "r" (temp_block + 64)
XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7")
);