LCOV - code coverage report
Current view: top level - src/libavutil/x86 - imgutils_init.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 8 0.0 %
Date: 2017-06-23 19:00:59 Functions: 0 1 0.0 %

          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 <stddef.h>
      20             : #include <stdint.h>
      21             : 
      22             : #include "libavutil/cpu.h"
      23             : #include "libavutil/error.h"
      24             : #include "libavutil/imgutils.h"
      25             : #include "libavutil/imgutils_internal.h"
      26             : #include "libavutil/internal.h"
      27             : 
      28             : #include "cpu.h"
      29             : 
      30             : void ff_image_copy_plane_uc_from_sse4(uint8_t *dst, ptrdiff_t dst_linesize,
      31             :                                       const uint8_t *src, ptrdiff_t src_linesize,
      32             :                                       ptrdiff_t bytewidth, int height);
      33             : 
      34           0 : int ff_image_copy_plane_uc_from_x86(uint8_t       *dst, ptrdiff_t dst_linesize,
      35             :                                     const uint8_t *src, ptrdiff_t src_linesize,
      36             :                                     ptrdiff_t bytewidth, int height)
      37             : {
      38           0 :     int cpu_flags = av_get_cpu_flags();
      39           0 :     ptrdiff_t bw_aligned = FFALIGN(bytewidth, 64);
      40             : 
      41           0 :     if (EXTERNAL_SSE4(cpu_flags) &&
      42           0 :         bw_aligned <= dst_linesize && bw_aligned <= src_linesize)
      43           0 :         ff_image_copy_plane_uc_from_sse4(dst, dst_linesize, src, src_linesize,
      44             :                                          bw_aligned, height);
      45             :     else
      46           0 :         return AVERROR(ENOSYS);
      47             : 
      48           0 :     return 0;
      49             : }

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