LCOV - code coverage report
Current view: top level - src/libavcodec/x86 - blockdsp_init.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 9 10 90.0 %
Date: 2017-01-21 09:32:20 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 <stdint.h>
      20             : 
      21             : #include "config.h"
      22             : #include "libavutil/attributes.h"
      23             : #include "libavutil/internal.h"
      24             : #include "libavutil/cpu.h"
      25             : #include "libavutil/x86/cpu.h"
      26             : #include "libavcodec/blockdsp.h"
      27             : #include "libavcodec/version.h"
      28             : 
      29             : void ff_clear_block_mmx(int16_t *block);
      30             : void ff_clear_block_sse(int16_t *block);
      31             : void ff_clear_blocks_mmx(int16_t *blocks);
      32             : void ff_clear_blocks_sse(int16_t *blocks);
      33             : 
      34        1215 : av_cold void ff_blockdsp_init_x86(BlockDSPContext *c,
      35             :                                   AVCodecContext *avctx)
      36             : {
      37             : #if HAVE_YASM
      38        1215 :     int cpu_flags = av_get_cpu_flags();
      39             : 
      40        1215 :     if (EXTERNAL_MMX(cpu_flags)) {
      41         145 :         c->clear_block  = ff_clear_block_mmx;
      42         145 :         c->clear_blocks = ff_clear_blocks_mmx;
      43             :     }
      44             : 
      45             :     /* XvMCCreateBlocks() may not allocate 16-byte aligned blocks */
      46        1215 :     if (CONFIG_XVMC && avctx->hwaccel && avctx->hwaccel->decode_mb)
      47           0 :         return;
      48             : 
      49        1215 :     if (EXTERNAL_SSE(cpu_flags)) {
      50         145 :         c->clear_block  = ff_clear_block_sse;
      51         145 :         c->clear_blocks = ff_clear_blocks_sse;
      52             :     }
      53             : #endif /* HAVE_YASM */
      54             : }

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