LCOV - code coverage report
Current view: top level - libavcodec/x86 - blockdsp_init.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 11 11 100.0 %
Date: 2017-10-18 21:45:51 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_block_avx(int16_t *block);
      32             : void ff_clear_blocks_mmx(int16_t *blocks);
      33             : void ff_clear_blocks_sse(int16_t *blocks);
      34             : void ff_clear_blocks_avx(int16_t *blocks);
      35             : 
      36        1274 : av_cold void ff_blockdsp_init_x86(BlockDSPContext *c,
      37             :                                   AVCodecContext *avctx)
      38             : {
      39             : #if HAVE_X86ASM
      40        1274 :     int cpu_flags = av_get_cpu_flags();
      41             : 
      42        1274 :     if (EXTERNAL_MMX(cpu_flags)) {
      43         157 :         c->clear_block  = ff_clear_block_mmx;
      44         157 :         c->clear_blocks = ff_clear_blocks_mmx;
      45             :     }
      46             : 
      47             :     /* XvMCCreateBlocks() may not allocate 16-byte aligned blocks */
      48             :     if (CONFIG_XVMC && avctx->hwaccel && avctx->hwaccel->decode_mb)
      49             :         return;
      50             : 
      51        1274 :     if (EXTERNAL_SSE(cpu_flags)) {
      52         155 :         c->clear_block  = ff_clear_block_sse;
      53         155 :         c->clear_blocks = ff_clear_blocks_sse;
      54             :     }
      55        1274 :     if (EXTERNAL_AVX_FAST(cpu_flags)) {
      56         148 :         c->clear_block  = ff_clear_block_avx;
      57         148 :         c->clear_blocks = ff_clear_blocks_avx;
      58             :     }
      59             : #endif /* HAVE_X86ASM */
      60             : }

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