*
* Copyright (c) 2003 BERO <bero@geocities.co.jp>
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * Libav 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "../avcodec.h"
-#include "../dsputil.h"
+#include "libavutil/attributes.h"
+#include "libavcodec/avcodec.h"
+#include "libavcodec/dsputil.h"
+#include "dsputil_sh4.h"
+#include "sh4.h"
static void memzero_align8(void *dst,size_t size)
{
-#if defined(__SH4__) || defined(__SH4_SINGLE__) || defined(__SH4_SINGLE_ONLY__)
- (char*)dst+=size;
- size/=8*4;
- asm(
-#if defined(__SH4__)
- " fschg\n" //single float mode
-#endif
- " fldi0 fr0\n"
- " fldi0 fr1\n"
- " fschg\n" // double
- "1: \n" \
- " dt %1\n"
- " fmov dr0,@-%0\n"
- " fmov dr0,@-%0\n"
- " fmov dr0,@-%0\n"
- " bf.s 1b\n"
- " fmov dr0,@-%0\n"
-#if defined(__SH4_SINGLE__) || defined(__SH4_SINGLE_ONLY__)
- " fschg" //back to single
-#endif
- : : "r"(dst),"r"(size): "memory" );
-#else
- double *d = dst;
- size/=8*4;
- do {
- d[0] = 0.0;
- d[1] = 0.0;
- d[2] = 0.0;
- d[3] = 0.0;
- d+=4;
- } while(--size);
-#endif
+ int fpscr;
+ fp_single_enter(fpscr);
+ dst = (char *)dst + size;
+ size /= 32;
+ __asm__ volatile (
+ " fldi0 fr0\n"
+ " fldi0 fr1\n"
+ " fschg\n" // double
+ "1: \n" \
+ " dt %1\n"
+ " fmov dr0,@-%0\n"
+ " fmov dr0,@-%0\n"
+ " fmov dr0,@-%0\n"
+ " bf.s 1b\n"
+ " fmov dr0,@-%0\n"
+ " fschg" //back to single
+ : "+r"(dst),"+r"(size) :: "memory" );
+ fp_single_leave(fpscr);
}
-static void clear_blocks_sh4(DCTELEM *blocks)
+static void clear_blocks_sh4(int16_t *blocks)
{
-// if (((int)blocks&7)==0)
- memzero_align8(blocks,sizeof(DCTELEM)*6*64);
+ memzero_align8(blocks,sizeof(int16_t)*6*64);
}
-extern void idct_sh4(DCTELEM *block);
-static void idct_put(uint8_t *dest, int line_size, DCTELEM *block)
+static void idct_put(uint8_t *dest, int line_size, int16_t *block)
{
- idct_sh4(block);
- int i;
- uint8_t *cm = cropTbl + MAX_NEG_CROP;
- for(i=0;i<8;i++) {
- dest[0] = cm[block[0]];
- dest[1] = cm[block[1]];
- dest[2] = cm[block[2]];
- dest[3] = cm[block[3]];
- dest[4] = cm[block[4]];
- dest[5] = cm[block[5]];
- dest[6] = cm[block[6]];
- dest[7] = cm[block[7]];
- dest+=line_size;
- block+=8;
- }
+ int i;
+ const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
+ ff_idct_sh4(block);
+ for(i=0;i<8;i++) {
+ dest[0] = cm[block[0]];
+ dest[1] = cm[block[1]];
+ dest[2] = cm[block[2]];
+ dest[3] = cm[block[3]];
+ dest[4] = cm[block[4]];
+ dest[5] = cm[block[5]];
+ dest[6] = cm[block[6]];
+ dest[7] = cm[block[7]];
+ dest+=line_size;
+ block+=8;
+ }
}
-static void idct_add(uint8_t *dest, int line_size, DCTELEM *block)
+static void idct_add(uint8_t *dest, int line_size, int16_t *block)
{
- idct_sh4(block);
- int i;
- uint8_t *cm = cropTbl + MAX_NEG_CROP;
- for(i=0;i<8;i++) {
- dest[0] = cm[dest[0]+block[0]];
- dest[1] = cm[dest[1]+block[1]];
- dest[2] = cm[dest[2]+block[2]];
- dest[3] = cm[dest[3]+block[3]];
- dest[4] = cm[dest[4]+block[4]];
- dest[5] = cm[dest[5]+block[5]];
- dest[6] = cm[dest[6]+block[6]];
- dest[7] = cm[dest[7]+block[7]];
- dest+=line_size;
- block+=8;
- }
+ int i;
+ const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
+ ff_idct_sh4(block);
+ for(i=0;i<8;i++) {
+ dest[0] = cm[dest[0]+block[0]];
+ dest[1] = cm[dest[1]+block[1]];
+ dest[2] = cm[dest[2]+block[2]];
+ dest[3] = cm[dest[3]+block[3]];
+ dest[4] = cm[dest[4]+block[4]];
+ dest[5] = cm[dest[5]+block[5]];
+ dest[6] = cm[dest[6]+block[6]];
+ dest[7] = cm[dest[7]+block[7]];
+ dest+=line_size;
+ block+=8;
+ }
}
-extern void dsputil_init_align(DSPContext* c, AVCodecContext *avctx);
-
-void dsputil_init_sh4(DSPContext* c, AVCodecContext *avctx)
+av_cold void ff_dsputil_init_sh4(DSPContext *c, AVCodecContext *avctx)
{
- const int idct_algo= avctx->idct_algo;
- dsputil_init_align(c,avctx);
+ const int idct_algo= avctx->idct_algo;
+ const int high_bit_depth = avctx->bits_per_raw_sample > 8;
- c->clear_blocks = clear_blocks_sh4;
- if(idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_SH4){
- c->idct_put = idct_put;
- c->idct_add = idct_add;
- c->idct = idct_sh4;
- c->idct_permutation_type= FF_NO_IDCT_PERM; //FF_SIMPLE_IDCT_PERM; //FF_LIBMPEG2_IDCT_PERM;
- }
+ if (!high_bit_depth)
+ c->clear_blocks = clear_blocks_sh4;
+ if (avctx->bits_per_raw_sample <= 8 &&
+ (idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_SH4)) {
+ c->idct_put = idct_put;
+ c->idct_add = idct_add;
+ c->idct = ff_idct_sh4;
+ c->idct_permutation_type= FF_NO_IDCT_PERM;
+ }
}
projects / ffmpeg / blobdiff