vpx/vp9/common/x86/vp9_idct_x86.h
Yunqing Wang e8bc9f4220 Optimize vp9_short_idct4x4llm function
Wrote a SSE2 vp9_short_idct4x4llm to improve the decoder
performance.

Change-Id: I90b9d48c4bf37aaf47995bffe7e584e6d4a2c000
2013-03-04 12:01:27 -08:00

52 lines
1.2 KiB
C

/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP9_COMMON_X86_VP9_IDCT_X86_H_
#define VP9_COMMON_X86_VP9_IDCT_X86_H_
/* Note:
*
* This platform is commonly built for runtime CPU detection. If you modify
* any of the function mappings present in this file, be sure to also update
* them in the function pointer initialization code
*/
#if HAVE_MMX
extern prototype_second_order(vp9_short_inv_walsh4x4_mmx);
extern prototype_second_order(vp9_short_inv_walsh4x4_1_mmx);
#if !CONFIG_RUNTIME_CPU_DETECT
#undef vp9_idct_iwalsh16
#define vp9_idct_iwalsh16 vp9_short_inv_walsh4x4_mmx
#undef vp9_idct_iwalsh1
#define vp9_idct_iwalsh1 vp9_short_inv_walsh4x4_1_mmx
#endif
#endif
#if HAVE_SSE2
extern prototype_second_order(vp9_short_inv_walsh4x4_sse2);
#if !CONFIG_RUNTIME_CPU_DETECT
#undef vp9_idct_iwalsh16
#define vp9_idct_iwalsh16 vp9_short_inv_walsh4x4_sse2
#endif
#endif
#endif