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      1 /* Copyright (c) 2011,  NVIDIA CORPORATION. All rights reserved.
      2  *
      3  * Redistribution and use in source and binary forms, with or without
      4  * modification, are permitted provided that the following conditions
      5  * are met:
      6  *
      7  *  * Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  *  * Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *  * Neither the name of the NVIDIA CORPORATION nor the names of its
     13  *    contributors may be used to endorse or promote products derived
     14  *    from this software without specific prior written permission.
     15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
     16  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     18  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
     19  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     20  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     24  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     25  * THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #ifndef __JSIMD_NEON_H__
     29 #define __JSIMD_NEON_H__
     30 #include "jinclude.h"
     31 #include "jpeglib.h"
     32 #include <machine/cpu-features.h>
     33 
     34 #if defined(NV_ARM_NEON) && defined(__ARM_HAVE_NEON)
     35 
     36 #if defined(ANDROID_ARMV6_IDCT)
     37 #error "ANDROID_ARMV6_IDCT and NV_ARM_NEON are muturaly exclusive modes, both have been defined"
     38 #endif
     39 
     40 GLOBAL(void)
     41 jsimd_idct_2x2 (j_decompress_ptr cinfo, jpeg_component_info * compptr,
     42                 JCOEFPTR coef_block, JSAMPARRAY output_buf,
     43                 JDIMENSION output_col);
     44 
     45 GLOBAL(void)
     46 jsimd_idct_ifast (j_decompress_ptr cinfo, jpeg_component_info * compptr,
     47                 JCOEFPTR coef_block, JSAMPARRAY output_buf,
     48                 JDIMENSION output_col);
     49 
     50 GLOBAL(void)
     51 jsimd_idct_4x4 (j_decompress_ptr cinfo, jpeg_component_info * compptr,
     52                 JCOEFPTR coef_block, JSAMPARRAY output_buf,
     53                 JDIMENSION output_col);
     54 
     55 GLOBAL(int)
     56 cap_neon_idct_2x2 (void);
     57 
     58 GLOBAL(int)
     59 cap_neon_idct_4x4 (void);
     60 
     61 GLOBAL(int)
     62 cap_neon_idct_ifast (void);
     63 
     64 GLOBAL(int)
     65 cap_neon_ycc_rgb (void);
     66 
     67 GLOBAL(void)
     68 jsimd_ycc_rgb565_convert (j_decompress_ptr cinfo,
     69                        JSAMPIMAGE input_buf, JDIMENSION input_row,
     70                        JSAMPARRAY output_buf, int num_rows);
     71 
     72 GLOBAL(void)
     73 jsimd_ycc_rgba8888_convert (j_decompress_ptr cinfo,
     74                        JSAMPIMAGE input_buf, JDIMENSION input_row,
     75                        JSAMPARRAY output_buf, int num_rows);
     76 #endif
     77 
     78 #endif
     79