media/libtheora/lib/x86/x86int.h

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /********************************************************************
michael@0 2 * *
michael@0 3 * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. *
michael@0 4 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
michael@0 5 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
michael@0 6 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
michael@0 7 * *
michael@0 8 * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
michael@0 9 * by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
michael@0 10 * *
michael@0 11 ********************************************************************
michael@0 12
michael@0 13 function:
michael@0 14 last mod: $Id: x86int.h 17578 2010-10-29 04:21:26Z tterribe $
michael@0 15
michael@0 16 ********************************************************************/
michael@0 17
michael@0 18 #if !defined(_x86_x86int_H)
michael@0 19 # define _x86_x86int_H (1)
michael@0 20 # include "../internal.h"
michael@0 21
michael@0 22 # if defined(OC_X86_ASM)
michael@0 23 # define oc_state_accel_init oc_state_accel_init_x86
michael@0 24 # if defined(OC_X86_64_ASM)
michael@0 25 /*x86-64 guarantees SIMD support up through at least SSE2.
michael@0 26 If the best routine we have available only needs SSE2 (which at the moment
michael@0 27 covers all of them), then we can avoid runtime detection and the indirect
michael@0 28 call.*/
michael@0 29 # define oc_frag_copy(_state,_dst,_src,_ystride) \
michael@0 30 oc_frag_copy_mmx(_dst,_src,_ystride)
michael@0 31 # define oc_frag_copy_list(_state,_dst_frame,_src_frame,_ystride, \
michael@0 32 _fragis,_nfragis,_frag_buf_offs) \
michael@0 33 oc_frag_copy_list_mmx(_dst_frame,_src_frame,_ystride, \
michael@0 34 _fragis,_nfragis,_frag_buf_offs)
michael@0 35 # define oc_frag_recon_intra(_state,_dst,_ystride,_residue) \
michael@0 36 oc_frag_recon_intra_mmx(_dst,_ystride,_residue)
michael@0 37 # define oc_frag_recon_inter(_state,_dst,_src,_ystride,_residue) \
michael@0 38 oc_frag_recon_inter_mmx(_dst,_src,_ystride,_residue)
michael@0 39 # define oc_frag_recon_inter2(_state,_dst,_src1,_src2,_ystride,_residue) \
michael@0 40 oc_frag_recon_inter2_mmx(_dst,_src1,_src2,_ystride,_residue)
michael@0 41 # define oc_idct8x8(_state,_y,_x,_last_zzi) \
michael@0 42 oc_idct8x8_sse2(_y,_x,_last_zzi)
michael@0 43 # define oc_state_frag_recon oc_state_frag_recon_mmx
michael@0 44 # define oc_loop_filter_init(_state,_bv,_flimit) \
michael@0 45 oc_loop_filter_init_mmxext(_bv,_flimit)
michael@0 46 # define oc_state_loop_filter_frag_rows oc_state_loop_filter_frag_rows_mmxext
michael@0 47 # define oc_restore_fpu(_state) \
michael@0 48 oc_restore_fpu_mmx()
michael@0 49 # else
michael@0 50 # define OC_STATE_USE_VTABLE (1)
michael@0 51 # endif
michael@0 52 # endif
michael@0 53
michael@0 54 # include "../state.h"
michael@0 55 # include "x86cpu.h"
michael@0 56
michael@0 57 /*Converts the expression in the argument to a string.*/
michael@0 58 #define OC_M2STR(_s) #_s
michael@0 59
michael@0 60 /*Memory operands do not always include an offset.
michael@0 61 To avoid warnings, we force an offset with %H (which adds 8).*/
michael@0 62 # if __GNUC_PREREQ(4,0)
michael@0 63 # define OC_MEM_OFFS(_offs,_name) \
michael@0 64 OC_M2STR(_offs-8+%H[_name])
michael@0 65 # endif
michael@0 66 /*If your gcc version does't support %H, then you get to suffer the warnings.
michael@0 67 Note that Apple's gas breaks on things like _offs+(%esp): it throws away the
michael@0 68 whole offset, instead of substituting in 0 for the missing operand to +.*/
michael@0 69 # if !defined(OC_MEM_OFFS)
michael@0 70 # define OC_MEM_OFFS(_offs,_name) \
michael@0 71 OC_M2STR(_offs+%[_name])
michael@0 72 # endif
michael@0 73
michael@0 74 /*Declare an array operand with an exact size.
michael@0 75 This tells gcc we're going to clobber this memory region, without having to
michael@0 76 clobber all of "memory" and lets us access local buffers directly using the
michael@0 77 stack pointer, without allocating a separate register to point to them.*/
michael@0 78 #define OC_ARRAY_OPERAND(_type,_ptr,_size) \
michael@0 79 (*({ \
michael@0 80 struct{_type array_value__[(_size)];} *array_addr__=(void *)(_ptr); \
michael@0 81 array_addr__; \
michael@0 82 }))
michael@0 83
michael@0 84 /*Declare an array operand with an exact size.
michael@0 85 This tells gcc we're going to clobber this memory region, without having to
michael@0 86 clobber all of "memory" and lets us access local buffers directly using the
michael@0 87 stack pointer, without allocating a separate register to point to them.*/
michael@0 88 #define OC_CONST_ARRAY_OPERAND(_type,_ptr,_size) \
michael@0 89 (*({ \
michael@0 90 const struct{_type array_value__[(_size)];} *array_addr__= \
michael@0 91 (const void *)(_ptr); \
michael@0 92 array_addr__; \
michael@0 93 }))
michael@0 94
michael@0 95 extern const unsigned short __attribute__((aligned(16))) OC_IDCT_CONSTS[64];
michael@0 96
michael@0 97 void oc_state_accel_init_x86(oc_theora_state *_state);
michael@0 98
michael@0 99 void oc_frag_copy_mmx(unsigned char *_dst,
michael@0 100 const unsigned char *_src,int _ystride);
michael@0 101 void oc_frag_copy_list_mmx(unsigned char *_dst_frame,
michael@0 102 const unsigned char *_src_frame,int _ystride,
michael@0 103 const ptrdiff_t *_fragis,ptrdiff_t _nfragis,const ptrdiff_t *_frag_buf_offs);
michael@0 104 void oc_frag_recon_intra_mmx(unsigned char *_dst,int _ystride,
michael@0 105 const ogg_int16_t *_residue);
michael@0 106 void oc_frag_recon_inter_mmx(unsigned char *_dst,
michael@0 107 const unsigned char *_src,int _ystride,const ogg_int16_t *_residue);
michael@0 108 void oc_frag_recon_inter2_mmx(unsigned char *_dst,const unsigned char *_src1,
michael@0 109 const unsigned char *_src2,int _ystride,const ogg_int16_t *_residue);
michael@0 110 void oc_idct8x8_mmx(ogg_int16_t _y[64],ogg_int16_t _x[64],int _last_zzi);
michael@0 111 void oc_idct8x8_sse2(ogg_int16_t _y[64],ogg_int16_t _x[64],int _last_zzi);
michael@0 112 void oc_state_frag_recon_mmx(const oc_theora_state *_state,ptrdiff_t _fragi,
michael@0 113 int _pli,ogg_int16_t _dct_coeffs[128],int _last_zzi,ogg_uint16_t _dc_quant);
michael@0 114 void oc_loop_filter_init_mmx(signed char _bv[256],int _flimit);
michael@0 115 void oc_loop_filter_init_mmxext(signed char _bv[256],int _flimit);
michael@0 116 void oc_state_loop_filter_frag_rows_mmx(const oc_theora_state *_state,
michael@0 117 signed char _bv[256],int _refi,int _pli,int _fragy0,int _fragy_end);
michael@0 118 void oc_state_loop_filter_frag_rows_mmxext(const oc_theora_state *_state,
michael@0 119 signed char _bv[256],int _refi,int _pli,int _fragy0,int _fragy_end);
michael@0 120 void oc_restore_fpu_mmx(void);
michael@0 121
michael@0 122 #endif

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