LCOV - code coverage report
Current view: top level - src/libavcodec/x86 - xvididct_init.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 10 11 90.9 %
Date: 2017-01-22 02:20:28 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * This file is part of FFmpeg.
       3             :  *
       4             :  * FFmpeg is free software; you can redistribute it and/or
       5             :  * modify it under the terms of the GNU Lesser General Public
       6             :  * License as published by the Free Software Foundation; either
       7             :  * version 2.1 of the License, or (at your option) any later version.
       8             :  *
       9             :  * FFmpeg is distributed in the hope that it will be useful,
      10             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12             :  * Lesser General Public License for more details.
      13             :  *
      14             :  * You should have received a copy of the GNU Lesser General Public
      15             :  * License along with FFmpeg; if not, write to the Free Software
      16             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      17             :  */
      18             : 
      19             : #include "config.h"
      20             : #include "libavutil/attributes.h"
      21             : #include "libavutil/cpu.h"
      22             : #include "libavutil/x86/cpu.h"
      23             : #include "libavcodec/idctdsp.h"
      24             : #include "libavcodec/xvididct.h"
      25             : 
      26             : #include "idctdsp.h"
      27             : #include "xvididct.h"
      28             : 
      29             : #if ARCH_X86_32 && HAVE_YASM
      30             : static void xvid_idct_mmx_put(uint8_t *dest, int line_size, short *block)
      31             : {
      32             :     ff_xvid_idct_mmx(block);
      33             :     ff_put_pixels_clamped(block, dest, line_size);
      34             : }
      35             : 
      36             : static void xvid_idct_mmx_add(uint8_t *dest, int line_size, short *block)
      37             : {
      38             :     ff_xvid_idct_mmx(block);
      39             :     ff_add_pixels_clamped(block, dest, line_size);
      40             : }
      41             : 
      42             : static void xvid_idct_mmxext_put(uint8_t *dest, int line_size, short *block)
      43             : {
      44             :     ff_xvid_idct_mmxext(block);
      45             :     ff_put_pixels_clamped(block, dest, line_size);
      46             : }
      47             : 
      48             : static void xvid_idct_mmxext_add(uint8_t *dest, int line_size, short *block)
      49             : {
      50             :     ff_xvid_idct_mmxext(block);
      51             :     ff_add_pixels_clamped(block, dest, line_size);
      52             : }
      53             : #endif
      54             : 
      55           4 : av_cold void ff_xvid_idct_init_x86(IDCTDSPContext *c, AVCodecContext *avctx,
      56             :                                    unsigned high_bit_depth)
      57             : {
      58             : #if HAVE_YASM
      59           4 :     int cpu_flags = av_get_cpu_flags();
      60             : 
      61           8 :     if (high_bit_depth ||
      62           8 :         !(avctx->idct_algo == FF_IDCT_AUTO ||
      63           4 :           avctx->idct_algo == FF_IDCT_XVID))
      64           0 :         return;
      65             : 
      66             : #if ARCH_X86_32
      67             :     if (EXTERNAL_MMX(cpu_flags)) {
      68             :         c->idct_put  = xvid_idct_mmx_put;
      69             :         c->idct_add  = xvid_idct_mmx_add;
      70             :         c->idct      = ff_xvid_idct_mmx;
      71             :         c->perm_type = FF_IDCT_PERM_NONE;
      72             :     }
      73             : 
      74             :     if (EXTERNAL_MMXEXT(cpu_flags)) {
      75             :         c->idct_put  = xvid_idct_mmxext_put;
      76             :         c->idct_add  = xvid_idct_mmxext_add;
      77             :         c->idct      = ff_xvid_idct_mmxext;
      78             :         c->perm_type = FF_IDCT_PERM_NONE;
      79             :     }
      80             : #endif
      81             : 
      82           4 :     if (EXTERNAL_SSE2(cpu_flags)) {
      83           2 :         c->idct_put  = ff_xvid_idct_put_sse2;
      84           2 :         c->idct_add  = ff_xvid_idct_add_sse2;
      85           2 :         c->idct      = ff_xvid_idct_sse2;
      86           2 :         c->perm_type = FF_IDCT_PERM_SSE2;
      87             :     }
      88             : #endif /* HAVE_YASM */
      89             : }

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