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* using DSPContext - so each codec could use its local (sub)set of CPU extension

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Originally committed as revision 1194 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Zdenek Kabelac
2002-11-11 09:40:17 +00:00
parent fb602cd15e
commit eb4b3dd3c3
13 changed files with 376 additions and 324 deletions
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108
libavcodec/dsputil.h
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@@ -45,10 +45,9 @@ extern const UINT8 ff_zigzag_direct[64];
extern UINT32 squareTbl[512];
extern UINT8 cropTbl[256 + 2 * MAX_NEG_CROP];
void dsputil_init(void);
/* minimum alignment rules ;)
if u notice errors in the align stuff, need more alignment for some asm code for some cpu
if u notice errors in the align stuff, need more alignment for some asm code for some cpu
or need to use a function with less aligned data then send a mail to the ffmpeg-dev list, ...
!warning these alignments might not match reallity, (missing attribute((align)) stuff somewhere possible)
@@ -57,39 +56,20 @@ i (michael) didnt check them, these are just the alignents which i think could b
!future video codecs might need functions with less strict alignment
*/
/* pixel ops : interface with DCT */
extern void (*get_pixels)(DCTELEM *block/*align 16*/, const UINT8 *pixels/*align 8*/, int line_size);
extern void (*diff_pixels)(DCTELEM *block/*align 16*/, const UINT8 *s1/*align 8*/, const UINT8 *s2/*align 8*/, int stride);
extern void (*put_pixels_clamped)(const DCTELEM *block/*align 16*/, UINT8 *pixels/*align 8*/, int line_size);
extern void (*add_pixels_clamped)(const DCTELEM *block/*align 16*/, UINT8 *pixels/*align 8*/, int line_size);
extern void (*ff_gmc1)(UINT8 *dst/*align 8*/, UINT8 *src/*align 1*/, int srcStride, int h, int x16, int y16, int rounder);
extern void (*ff_gmc )(UINT8 *dst/*align 8*/, UINT8 *src/*align 1*/, int stride, int h, int ox, int oy,
int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height);
extern void (*clear_blocks)(DCTELEM *blocks/*align 16*/);
extern int (*pix_sum)(UINT8 * pix, int line_size);
extern int (*pix_norm1)(UINT8 * pix, int line_size);
/*
void get_pixels_c(DCTELEM *block, const UINT8 *pixels, int line_size);
void diff_pixels_c(DCTELEM *block, const UINT8 *s1, const UINT8 *s2, int stride);
void put_pixels_clamped_c(const DCTELEM *block, UINT8 *pixels, int line_size);
void add_pixels_clamped_c(const DCTELEM *block, UINT8 *pixels, int line_size);
void clear_blocks_c(DCTELEM *blocks);
*/
/* add and put pixel (decoding) */
// blocksizes for op_pixels_func are 8x4,8x8 16x8 16x16
typedef void (*op_pixels_func)(UINT8 *block/*align width (8 or 16)*/, const UINT8 *pixels/*align 1*/, int line_size, int h);
typedef void (*qpel_mc_func)(UINT8 *dst/*align width (8 or 16)*/, UINT8 *src/*align 1*/, int stride);
extern op_pixels_func put_pixels_tab[2][4];
extern op_pixels_func avg_pixels_tab[2][4];
extern op_pixels_func put_no_rnd_pixels_tab[2][4];
extern op_pixels_func avg_no_rnd_pixels_tab[2][4];
extern qpel_mc_func put_qpel_pixels_tab[2][16];
extern qpel_mc_func avg_qpel_pixels_tab[2][16];
extern qpel_mc_func put_no_rnd_qpel_pixels_tab[2][16];
extern qpel_mc_func avg_no_rnd_qpel_pixels_tab[2][16];
#define CALL_2X_PIXELS(a, b, n)\
static void a(uint8_t *block, const uint8_t *pixels, int line_size, int h){\
@@ -100,20 +80,46 @@ static void a(uint8_t *block, const uint8_t *pixels, int line_size, int h){\
/* motion estimation */
typedef int (*op_pixels_abs_func)(UINT8 *blk1/*align width (8 or 16)*/, UINT8 *blk2/*align 1*/, int line_size);
extern op_pixels_abs_func pix_abs16x16;
extern op_pixels_abs_func pix_abs16x16_x2;
extern op_pixels_abs_func pix_abs16x16_y2;
extern op_pixels_abs_func pix_abs16x16_xy2;
extern op_pixels_abs_func pix_abs8x8;
extern op_pixels_abs_func pix_abs8x8_x2;
extern op_pixels_abs_func pix_abs8x8_y2;
extern op_pixels_abs_func pix_abs8x8_xy2;
/*
int pix_abs16x16_c(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs16x16_x2_c(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs16x16_y2_c(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs16x16_xy2_c(UINT8 *blk1, UINT8 *blk2, int lx);
*/
typedef struct DSPContext {
/* pixel ops : interface with DCT */
void (*get_pixels)(DCTELEM *block/*align 16*/, const UINT8 *pixels/*align 8*/, int line_size);
void (*diff_pixels)(DCTELEM *block/*align 16*/, const UINT8 *s1/*align 8*/, const UINT8 *s2/*align 8*/, int stride);
void (*put_pixels_clamped)(const DCTELEM *block/*align 16*/, UINT8 *pixels/*align 8*/, int line_size);
void (*add_pixels_clamped)(const DCTELEM *block/*align 16*/, UINT8 *pixels/*align 8*/, int line_size);
void (*gmc1)(UINT8 *dst/*align 8*/, UINT8 *src/*align 1*/, int srcStride, int h, int x16, int y16, int rounder);
void (*gmc )(UINT8 *dst/*align 8*/, UINT8 *src/*align 1*/, int stride, int h, int ox, int oy,
int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height);
void (*clear_blocks)(DCTELEM *blocks/*align 16*/);
int (*pix_sum)(UINT8 * pix, int line_size);
int (*pix_norm1)(UINT8 * pix, int line_size);
/* maybe create an array for 16/8 functions */
op_pixels_func put_pixels_tab[2][4];
op_pixels_func avg_pixels_tab[2][4];
op_pixels_func put_no_rnd_pixels_tab[2][4];
op_pixels_func avg_no_rnd_pixels_tab[2][4];
qpel_mc_func put_qpel_pixels_tab[2][16];
qpel_mc_func avg_qpel_pixels_tab[2][16];
qpel_mc_func put_no_rnd_qpel_pixels_tab[2][16];
qpel_mc_func avg_no_rnd_qpel_pixels_tab[2][16];
op_pixels_abs_func pix_abs16x16;
op_pixels_abs_func pix_abs16x16_x2;
op_pixels_abs_func pix_abs16x16_y2;
op_pixels_abs_func pix_abs16x16_xy2;
op_pixels_abs_func pix_abs8x8;
op_pixels_abs_func pix_abs8x8_x2;
op_pixels_abs_func pix_abs8x8_y2;
op_pixels_abs_func pix_abs8x8_xy2;
} DSPContext;
void dsputil_init(DSPContext* p, unsigned mask);
/**
* permute block according to permuatation.
@@ -121,8 +127,12 @@ int pix_abs16x16_xy2_c(UINT8 *blk1, UINT8 *blk2, int lx);
*/
void ff_block_permute(INT16 *block, UINT8 *permutation, const UINT8 *scantable, int last);
#define emms_c()
#if defined(HAVE_MMX)
#undef emms_c()
#define MM_MMX 0x0001 /* standard MMX */
#define MM_3DNOW 0x0004 /* AMD 3DNOW */
#define MM_MMXEXT 0x0002 /* SSE integer functions or AMD MMX ext */
@@ -132,6 +142,8 @@ void ff_block_permute(INT16 *block, UINT8 *permutation, const UINT8 *scantable,
extern int mm_flags;
int mm_support(void);
void add_pixels_clamped_mmx(const DCTELEM *block, UINT8 *pixels, int line_size);
void put_pixels_clamped_mmx(const DCTELEM *block, UINT8 *pixels, int line_size);
static inline void emms(void)
{
@@ -146,54 +158,44 @@ static inline void emms(void)
#define __align8 __attribute__ ((aligned (8)))
void dsputil_init_mmx(void);
void dsputil_set_bit_exact_mmx(void);
void dsputil_init_mmx(DSPContext* c, unsigned mask);
void dsputil_set_bit_exact_mmx(DSPContext* c, unsigned mask);
#elif defined(ARCH_ARMV4L)
#define emms_c()
/* This is to use 4 bytes read to the IDCT pointers for some 'zero'
line ptimizations */
#define __align8 __attribute__ ((aligned (4)))
void dsputil_init_armv4l(void);
void dsputil_init_armv4l(DSPContext* c, unsigned mask);
#elif defined(HAVE_MLIB)
#define emms_c()
/* SPARC/VIS IDCT needs 8-byte aligned DCT blocks */
#define __align8 __attribute__ ((aligned (8)))
void dsputil_init_mlib(void);
void dsputil_init_mlib(DSPContext* c, unsigned mask);
#elif defined(ARCH_ALPHA)
#define emms_c()
#define __align8 __attribute__ ((aligned (8)))
void dsputil_init_alpha(void);
void dsputil_init_alpha(DSPContext* c, unsigned mask);
#elif defined(ARCH_POWERPC)
#define emms_c()
#define __align8 __attribute__ ((aligned (16)))
void dsputil_init_ppc(void);
void dsputil_init_ppc(DSPContext* c, unsigned mask);
#elif defined(HAVE_MMI)
#define emms_c()
#define __align8 __attribute__ ((aligned (16)))
void dsputil_init_mmi(void);
void dsputil_init_mmi(DSPContext* c, unsigned mask);
#else
#define emms_c()
#define __align8
#endif
@@ -263,9 +265,9 @@ typedef struct MDCTContext {
} MDCTContext;
int ff_mdct_init(MDCTContext *s, int nbits, int inverse);
void ff_imdct_calc(MDCTContext *s, FFTSample *output,
void ff_imdct_calc(MDCTContext *s, FFTSample *output,
const FFTSample *input, FFTSample *tmp);
void ff_mdct_calc(MDCTContext *s, FFTSample *out,
void ff_mdct_calc(MDCTContext *s, FFTSample *out,
const FFTSample *input, FFTSample *tmp);
void ff_mdct_end(MDCTContext *s);