diff options
Diffstat (limited to 'chromium/third_party/ffmpeg/libavcodec/bfin/mpegvideo_bfin.c')
| -rw-r--r-- | chromium/third_party/ffmpeg/libavcodec/bfin/mpegvideo_bfin.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/chromium/third_party/ffmpeg/libavcodec/bfin/mpegvideo_bfin.c b/chromium/third_party/ffmpeg/libavcodec/bfin/mpegvideo_bfin.c deleted file mode 100644 index 458e7dcdbae..00000000000 --- a/chromium/third_party/ffmpeg/libavcodec/bfin/mpegvideo_bfin.c +++ /dev/null @@ -1,152 +0,0 @@ -/* - * BlackFin MPEGVIDEO OPTIMIZATIONS - * - * Copyright (C) 2007 Marc Hoffman <mmh@pleasantst.com> - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "libavutil/attributes.h" -#include "libavcodec/avcodec.h" -#include "libavcodec/mpegvideo.h" -#include "dsputil_bfin.h" - -static int dct_quantize_bfin (MpegEncContext *s, - int16_t *block, int n, - int qscale, int *overflow) -{ - int last_non_zero, q, start_i; - const short *qmat; - short *bias; - const uint8_t *scantable= s->intra_scantable.scantable; - short dc; - int max=0; - - PROF("fdct",0); - s->dsp.fdct(block); - EPROF(); - - PROF("denoise",1); - if(s->dct_error_sum) - s->denoise_dct(s, block); - EPROF(); - - PROF("quant-init",2); - if (s->mb_intra) { - if (!s->h263_aic) { - if (n < 4) - q = s->y_dc_scale; - else - q = s->c_dc_scale; - q = q << 3; - } else - /* For AIC we skip quant/dequant of INTRADC */ - q = 1 << 3; - - /* note: block[0] is assumed to be positive */ - dc = block[0] = (block[0] + (q >> 1)) / q; - start_i = 1; - last_non_zero = 0; - if(n<4){ - bias = s->q_intra_matrix16[qscale][1]; - qmat = s->q_intra_matrix16[qscale][0]; - }else{ - bias = s->q_chroma_intra_matrix16[qscale][1]; - qmat = s->q_chroma_intra_matrix16[qscale][0]; - } - - } else { - start_i = 0; - last_non_zero = -1; - bias = s->q_inter_matrix16[qscale][1]; - qmat = s->q_inter_matrix16[qscale][0]; - - } - EPROF(); - - PROF("quantize",4); - - /* for(i=start_i; i<64; i++) { */ - /* sign = (block[i]>>15)|1; */ - /* level = ((abs(block[i])+bias[0])*qmat[i])>>16; */ - /* if (level < 0) level = 0; */ - /* max |= level; */ - /* level = level * sign; */ - /* block[i] = level; */ - /* } */ - - __asm__ volatile - ("i2=%1;\n\t" - "r1=[%1++]; \n\t" - "r0=r1>>>15 (v); \n\t" - "lsetup (0f,1f) lc0=%3; \n\t" - "0: r0=r0|%4; \n\t" - " r1=abs r1 (v) || r2=[%2++];\n\t" - " r1=r1+|+%5; \n\t" - " r1=max(r1,%6) (v); \n\t" - " r1.h=(a1 =r1.h*r2.h), r1.l=(a0 =r1.l*r2.l) (tfu); \n\t" - " %0=%0|r1; \n\t" - " r0.h=(a1 =r1.h*r0.h), r0.l=(a0 =r1.l*r0.l) (is) || r1=[%1++];\n\t" - "1: r0=r1>>>15 (v) || [i2++]=r0;\n\t" - "r1=%0>>16; \n\t" - "%0=%0|r1; \n\t" - "%0.h=0; \n\t" - : "=&d" (max) - : "b" (block), "b" (qmat), "a" (32), "d" (0x00010001), "d" (bias[0]*0x10001), "d" (0) - : "R0","R1","R2", "I2"); - if (start_i == 1) block[0] = dc; - - EPROF(); - - - PROF("zzscan",5); - - __asm__ volatile - ("r0=b[%1--] (x); \n\t" - "lsetup (0f,1f) lc0=%3; \n\t" /* for(i=63; i>=start_i; i--) { */ - "0: p0=r0; \n\t" /* j = scantable[i]; */ - " p0=%2+(p0<<1); \n\t" /* if (block[j]) { */ - " r0=w[p0]; \n\t" /* last_non_zero = i; */ - " cc=r0==0; \n\t" /* break; */ - " if !cc jump 2f; \n\t" /* } */ - "1: r0=b[%1--] (x); \n\t" /* } */ - " %0=%4; \n\t" - " jump 3f; \n\t" - "2: %0=lc0; \n\t" - "3:\n\t" - - : "=d" (last_non_zero) - : "a" (scantable+63), "a" (block), "a" (63), "d" (last_non_zero) - : "P0","R0"); - - EPROF(); - - *overflow= s->max_qcoeff < max; //overflow might have happened - - bfprof(); - - /* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */ - if (s->dsp.idct_permutation_type != FF_NO_IDCT_PERM) - ff_block_permute(block, s->dsp.idct_permutation, scantable, last_non_zero); - - return last_non_zero; -} - -av_cold void ff_MPV_common_init_bfin (MpegEncContext *s) -{ -/* s->dct_quantize= dct_quantize_bfin; */ -} |