diff options
Diffstat (limited to 'src/libffmpeg/libavcodec/ppc/dsputil_ppc.c')
-rw-r--r-- | src/libffmpeg/libavcodec/ppc/dsputil_ppc.c | 359 |
1 files changed, 0 insertions, 359 deletions
diff --git a/src/libffmpeg/libavcodec/ppc/dsputil_ppc.c b/src/libffmpeg/libavcodec/ppc/dsputil_ppc.c deleted file mode 100644 index b63c8dd84..000000000 --- a/src/libffmpeg/libavcodec/ppc/dsputil_ppc.c +++ /dev/null @@ -1,359 +0,0 @@ -/* - * Copyright (c) 2002 Brian Foley - * Copyright (c) 2002 Dieter Shirley - * Copyright (c) 2003-2004 Romain Dolbeau <romain@dolbeau.org> - * - * This library 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 of the License, or (at your option) any later version. - * - * This library 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 this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "../dsputil.h" - -#include "dsputil_ppc.h" - -#ifdef HAVE_ALTIVEC -#include "dsputil_altivec.h" -#endif - -extern void fdct_altivec(int16_t *block); -extern void idct_put_altivec(uint8_t *dest, int line_size, int16_t *block); -extern void idct_add_altivec(uint8_t *dest, int line_size, int16_t *block); - -extern void ff_snow_horizontal_compose97i_altivec(DWTELEM *b, int width); -extern void ff_snow_vertical_compose97i_altivec(DWTELEM *b0, DWTELEM *b1, - DWTELEM *b2, DWTELEM *b3, - DWTELEM *b4, DWTELEM *b5, - int width); -extern void ff_snow_inner_add_yblock_altivec(uint8_t *obmc, const int obmc_stride, - uint8_t * * block, int b_w, int b_h, - int src_x, int src_y, int src_stride, - slice_buffer * sb, int add, - uint8_t * dst8); - -int mm_flags = 0; - -int mm_support(void) -{ - int result = 0; -#ifdef HAVE_ALTIVEC - if (has_altivec()) { - result |= MM_ALTIVEC; - } -#endif /* result */ - return result; -} - -#ifdef POWERPC_PERFORMANCE_REPORT -unsigned long long perfdata[POWERPC_NUM_PMC_ENABLED][powerpc_perf_total][powerpc_data_total]; -/* list below must match enum in dsputil_ppc.h */ -static unsigned char* perfname[] = { - "ff_fft_calc_altivec", - "gmc1_altivec", - "dct_unquantize_h263_altivec", - "fdct_altivec", - "idct_add_altivec", - "idct_put_altivec", - "put_pixels16_altivec", - "avg_pixels16_altivec", - "avg_pixels8_altivec", - "put_pixels8_xy2_altivec", - "put_no_rnd_pixels8_xy2_altivec", - "put_pixels16_xy2_altivec", - "put_no_rnd_pixels16_xy2_altivec", - "hadamard8_diff8x8_altivec", - "hadamard8_diff16_altivec", - "avg_pixels8_xy2_altivec", - "clear_blocks_dcbz32_ppc", - "clear_blocks_dcbz128_ppc", - "put_h264_chroma_mc8_altivec", - "avg_h264_chroma_mc8_altivec", - "put_h264_qpel16_h_lowpass_altivec", - "avg_h264_qpel16_h_lowpass_altivec", - "put_h264_qpel16_v_lowpass_altivec", - "avg_h264_qpel16_v_lowpass_altivec", - "put_h264_qpel16_hv_lowpass_altivec", - "avg_h264_qpel16_hv_lowpass_altivec", - "" -}; -#include <stdio.h> -#endif - -#ifdef POWERPC_PERFORMANCE_REPORT -void powerpc_display_perf_report(void) -{ - int i, j; - av_log(NULL, AV_LOG_INFO, "PowerPC performance report\n Values are from the PMC registers, and represent whatever the registers are set to record.\n"); - for(i = 0 ; i < powerpc_perf_total ; i++) - { - for (j = 0; j < POWERPC_NUM_PMC_ENABLED ; j++) - { - if (perfdata[j][i][powerpc_data_num] != (unsigned long long)0) - av_log(NULL, AV_LOG_INFO, - " Function \"%s\" (pmc%d):\n\tmin: %llu\n\tmax: %llu\n\tavg: %1.2lf (%llu)\n", - perfname[i], - j+1, - perfdata[j][i][powerpc_data_min], - perfdata[j][i][powerpc_data_max], - (double)perfdata[j][i][powerpc_data_sum] / - (double)perfdata[j][i][powerpc_data_num], - perfdata[j][i][powerpc_data_num]); - } - } -} -#endif /* POWERPC_PERFORMANCE_REPORT */ - -/* ***** WARNING ***** WARNING ***** WARNING ***** */ -/* - clear_blocks_dcbz32_ppc will not work properly - on PowerPC processors with a cache line size - not equal to 32 bytes. - Fortunately all processor used by Apple up to - at least the 7450 (aka second generation G4) - use 32 bytes cache line. - This is due to the use of the 'dcbz' instruction. - It simply clear to zero a single cache line, - so you need to know the cache line size to use it ! - It's absurd, but it's fast... - - update 24/06/2003 : Apple released yesterday the G5, - with a PPC970. cache line size : 128 bytes. Oups. - The semantic of dcbz was changed, it always clear - 32 bytes. so the function below will work, but will - be slow. So I fixed check_dcbz_effect to use dcbzl, - which is defined to clear a cache line (as dcbz before). - So we still can distinguish, and use dcbz (32 bytes) - or dcbzl (one cache line) as required. - - see <http://developer.apple.com/technotes/tn/tn2087.html> - and <http://developer.apple.com/technotes/tn/tn2086.html> -*/ -void clear_blocks_dcbz32_ppc(DCTELEM *blocks) -{ -POWERPC_PERF_DECLARE(powerpc_clear_blocks_dcbz32, 1); - register int misal = ((unsigned long)blocks & 0x00000010); - register int i = 0; -POWERPC_PERF_START_COUNT(powerpc_clear_blocks_dcbz32, 1); -#if 1 - if (misal) { - ((unsigned long*)blocks)[0] = 0L; - ((unsigned long*)blocks)[1] = 0L; - ((unsigned long*)blocks)[2] = 0L; - ((unsigned long*)blocks)[3] = 0L; - i += 16; - } - for ( ; i < sizeof(DCTELEM)*6*64-31 ; i += 32) { -#ifndef __MWERKS__ - asm volatile("dcbz %0,%1" : : "b" (blocks), "r" (i) : "memory"); -#else - __dcbz( blocks, i ); -#endif - } - if (misal) { - ((unsigned long*)blocks)[188] = 0L; - ((unsigned long*)blocks)[189] = 0L; - ((unsigned long*)blocks)[190] = 0L; - ((unsigned long*)blocks)[191] = 0L; - i += 16; - } -#else - memset(blocks, 0, sizeof(DCTELEM)*6*64); -#endif -POWERPC_PERF_STOP_COUNT(powerpc_clear_blocks_dcbz32, 1); -} - -/* same as above, when dcbzl clear a whole 128B cache line - i.e. the PPC970 aka G5 */ -#ifndef NO_DCBZL -void clear_blocks_dcbz128_ppc(DCTELEM *blocks) -{ -POWERPC_PERF_DECLARE(powerpc_clear_blocks_dcbz128, 1); - register int misal = ((unsigned long)blocks & 0x0000007f); - register int i = 0; -POWERPC_PERF_START_COUNT(powerpc_clear_blocks_dcbz128, 1); -#if 1 - if (misal) { - // we could probably also optimize this case, - // but there's not much point as the machines - // aren't available yet (2003-06-26) - memset(blocks, 0, sizeof(DCTELEM)*6*64); - } - else - for ( ; i < sizeof(DCTELEM)*6*64 ; i += 128) { - asm volatile("dcbzl %0,%1" : : "b" (blocks), "r" (i) : "memory"); - } -#else - memset(blocks, 0, sizeof(DCTELEM)*6*64); -#endif -POWERPC_PERF_STOP_COUNT(powerpc_clear_blocks_dcbz128, 1); -} -#else -void clear_blocks_dcbz128_ppc(DCTELEM *blocks) -{ - memset(blocks, 0, sizeof(DCTELEM)*6*64); -} -#endif - -#ifndef NO_DCBZL -/* check dcbz report how many bytes are set to 0 by dcbz */ -/* update 24/06/2003 : replace dcbz by dcbzl to get - the intended effect (Apple "fixed" dcbz) - unfortunately this cannot be used unless the assembler - knows about dcbzl ... */ -long check_dcbzl_effect(void) -{ - register char *fakedata = (char*)av_malloc(1024); - register char *fakedata_middle; - register long zero = 0; - register long i = 0; - long count = 0; - - if (!fakedata) - { - return 0L; - } - - fakedata_middle = (fakedata + 512); - - memset(fakedata, 0xFF, 1024); - - /* below the constraint "b" seems to mean "Address base register" - in gcc-3.3 / RS/6000 speaks. seems to avoid using r0, so.... */ - asm volatile("dcbzl %0, %1" : : "b" (fakedata_middle), "r" (zero)); - - for (i = 0; i < 1024 ; i ++) - { - if (fakedata[i] == (char)0) - count++; - } - - av_free(fakedata); - - return count; -} -#else -long check_dcbzl_effect(void) -{ - return 0; -} -#endif - - -void dsputil_h264_init_ppc(DSPContext* c, AVCodecContext *avctx); - -void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx) -{ - // Common optimizations whether Altivec is available or not - - switch (check_dcbzl_effect()) { - case 32: - c->clear_blocks = clear_blocks_dcbz32_ppc; - break; - case 128: - c->clear_blocks = clear_blocks_dcbz128_ppc; - break; - default: - break; - } - -#ifdef HAVE_ALTIVEC - dsputil_h264_init_ppc(c, avctx); - - if (has_altivec()) { - mm_flags |= MM_ALTIVEC; - - // Altivec specific optimisations - c->pix_abs[0][1] = sad16_x2_altivec; - c->pix_abs[0][2] = sad16_y2_altivec; - c->pix_abs[0][3] = sad16_xy2_altivec; - c->pix_abs[0][0] = sad16_altivec; - c->pix_abs[1][0] = sad8_altivec; - c->sad[0]= sad16_altivec; - c->sad[1]= sad8_altivec; - c->pix_norm1 = pix_norm1_altivec; - c->sse[1]= sse8_altivec; - c->sse[0]= sse16_altivec; - c->pix_sum = pix_sum_altivec; - c->diff_pixels = diff_pixels_altivec; - c->get_pixels = get_pixels_altivec; -// next one disabled as it's untested. -#if 0 - c->add_bytes= add_bytes_altivec; -#endif /* 0 */ - c->put_pixels_tab[0][0] = put_pixels16_altivec; - /* the two functions do the same thing, so use the same code */ - c->put_no_rnd_pixels_tab[0][0] = put_pixels16_altivec; - c->avg_pixels_tab[0][0] = avg_pixels16_altivec; - c->avg_pixels_tab[1][0] = avg_pixels8_altivec; - c->avg_pixels_tab[1][3] = avg_pixels8_xy2_altivec; - c->put_pixels_tab[1][3] = put_pixels8_xy2_altivec; - c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy2_altivec; - c->put_pixels_tab[0][3] = put_pixels16_xy2_altivec; - c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy2_altivec; - - c->gmc1 = gmc1_altivec; - - c->hadamard8_diff[0] = hadamard8_diff16_altivec; - c->hadamard8_diff[1] = hadamard8_diff8x8_altivec; - - - c->horizontal_compose97i = ff_snow_horizontal_compose97i_altivec; - c->vertical_compose97i = ff_snow_vertical_compose97i_altivec; - c->inner_add_yblock = ff_snow_inner_add_yblock_altivec; - -#ifdef CONFIG_ENCODERS - if (avctx->dct_algo == FF_DCT_AUTO || - avctx->dct_algo == FF_DCT_ALTIVEC) - { - c->fdct = fdct_altivec; - } -#endif //CONFIG_ENCODERS - - if (avctx->lowres==0) - { - if ((avctx->idct_algo == FF_IDCT_AUTO) || - (avctx->idct_algo == FF_IDCT_ALTIVEC)) - { - c->idct_put = idct_put_altivec; - c->idct_add = idct_add_altivec; -#ifndef ALTIVEC_USE_REFERENCE_C_CODE - c->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM; -#else /* ALTIVEC_USE_REFERENCE_C_CODE */ - c->idct_permutation_type = FF_NO_IDCT_PERM; -#endif /* ALTIVEC_USE_REFERENCE_C_CODE */ - } - } - -#ifdef POWERPC_PERFORMANCE_REPORT - { - int i, j; - for (i = 0 ; i < powerpc_perf_total ; i++) - { - for (j = 0; j < POWERPC_NUM_PMC_ENABLED ; j++) - { - perfdata[j][i][powerpc_data_min] = 0xFFFFFFFFFFFFFFFFULL; - perfdata[j][i][powerpc_data_max] = 0x0000000000000000ULL; - perfdata[j][i][powerpc_data_sum] = 0x0000000000000000ULL; - perfdata[j][i][powerpc_data_num] = 0x0000000000000000ULL; - } - } - } -#endif /* POWERPC_PERFORMANCE_REPORT */ - } else -#endif /* HAVE_ALTIVEC */ - { - // Non-AltiVec PPC optimisations - - // ... pending ... - } -} |