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Diffstat (limited to 'src/libffmpeg/libavcodec/dsputil.h')
-rw-r--r--src/libffmpeg/libavcodec/dsputil.h160
1 files changed, 124 insertions, 36 deletions
diff --git a/src/libffmpeg/libavcodec/dsputil.h b/src/libffmpeg/libavcodec/dsputil.h
index 2220b4871..2cdb256f9 100644
--- a/src/libffmpeg/libavcodec/dsputil.h
+++ b/src/libffmpeg/libavcodec/dsputil.h
@@ -16,6 +16,12 @@
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+
+/**
+ * @file dsputil.h
+ * DSP utils.
+ */
+
#ifndef DSPUTIL_H
#define DSPUTIL_H
@@ -28,6 +34,7 @@
#endif
#undef DEBUG
+
/* dct code */
typedef short DCTELEM;
//typedef int DCTELEM;
@@ -40,16 +47,16 @@ void j_rev_dct (DCTELEM *data);
void ff_fdct_mmx(DCTELEM *block);
/* encoding scans */
-extern const UINT8 ff_alternate_horizontal_scan[64];
-extern const UINT8 ff_alternate_vertical_scan[64];
-extern const UINT8 ff_zigzag_direct[64];
+extern const uint8_t ff_alternate_horizontal_scan[64];
+extern const uint8_t ff_alternate_vertical_scan[64];
+extern const uint8_t ff_zigzag_direct[64];
/* pixel operations */
#define MAX_NEG_CROP 384
/* temporary */
-extern UINT32 squareTbl[512];
-extern UINT8 cropTbl[256 + 2 * MAX_NEG_CROP];
+extern uint32_t squareTbl[512];
+extern uint8_t cropTbl[256 + 2 * MAX_NEG_CROP];
/* minimum alignment rules ;)
@@ -63,22 +70,22 @@ i (michael) didnt check them, these are just the alignents which i think could b
*/
/*
-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 get_pixels_c(DCTELEM *block, const uint8_t *pixels, int line_size);
+void diff_pixels_c(DCTELEM *block, const uint8_t *s1, const uint8_t *s2, int stride);
+void put_pixels_clamped_c(const DCTELEM *block, uint8_t *pixels, int line_size);
+void add_pixels_clamped_c(const DCTELEM *block, uint8_t *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);
+typedef void (*op_pixels_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, int line_size, int h);
+typedef void (*qpel_mc_func)(uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);
#define DEF_OLD_QPEL(name)\
-void ff_put_ ## name (UINT8 *dst/*align width (8 or 16)*/, UINT8 *src/*align 1*/, int stride);\
-void ff_put_no_rnd_ ## name (UINT8 *dst/*align width (8 or 16)*/, UINT8 *src/*align 1*/, int stride);\
-void ff_avg_ ## name (UINT8 *dst/*align width (8 or 16)*/, UINT8 *src/*align 1*/, int stride);
+void ff_put_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);\
+void ff_put_no_rnd_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);\
+void ff_avg_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);
DEF_OLD_QPEL(qpel16_mc11_old_c)
DEF_OLD_QPEL(qpel16_mc31_old_c)
@@ -101,22 +108,31 @@ 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)/* __attribute__ ((const))*/;
+typedef int (*op_pixels_abs_func)(uint8_t *blk1/*align width (8 or 16)*/, uint8_t *blk2/*align 1*/, int line_size)/* __attribute__ ((const))*/;
-typedef int (*me_cmp_func)(void /*MpegEncContext*/ *s, UINT8 *blk1/*align width (8 or 16)*/, UINT8 *blk2/*align 1*/, int line_size)/* __attribute__ ((const))*/;
+typedef int (*me_cmp_func)(void /*MpegEncContext*/ *s, uint8_t *blk1/*align width (8 or 16)*/, uint8_t *blk2/*align 1*/, int line_size)/* __attribute__ ((const))*/;
+/**
+ * DSPContext.
+ */
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,
+ void (*get_pixels)(DCTELEM *block/*align 16*/, const uint8_t *pixels/*align 8*/, int line_size);
+ void (*diff_pixels)(DCTELEM *block/*align 16*/, const uint8_t *s1/*align 8*/, const uint8_t *s2/*align 8*/, int stride);
+ void (*put_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size);
+ void (*add_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size);
+ /**
+ * translational global motion compensation.
+ */
+ void (*gmc1)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x16, int y16, int rounder);
+ /**
+ * global motion compensation.
+ */
+ void (*gmc )(uint8_t *dst/*align 8*/, uint8_t *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);
+ int (*pix_sum)(uint8_t * pix, int line_size);
+ int (*pix_norm1)(uint8_t * pix, int line_size);
me_cmp_func sad[2]; /* identical to pix_absAxA except additional void * */
me_cmp_func sse[2];
me_cmp_func hadamard8_diff[2];
@@ -132,9 +148,44 @@ typedef struct DSPContext {
me_cmp_func mb_cmp[11];
/* maybe create an array for 16/8 functions */
+ /**
+ * Halfpel motion compensation with rounding (a+b+1)>>1.
+ * *pixels_tab[ 0->16x16 1->8x8 ][ xhalfpel + 2*yhalfpel ]
+ * @param block destination where the result is stored
+ * @param pixels source
+ * @param line_size number of bytes in a horizontal line of block
+ * @param h height
+ */
op_pixels_func put_pixels_tab[2][4];
+
+ /**
+ * Halfpel motion compensation with rounding (a+b+1)>>1.
+ * *pixels_tab[ 0->16x16 1->8x8 ][ xhalfpel + 2*yhalfpel ]
+ * @param block destination into which the result is averaged (a+b+1)>>1
+ * @param pixels source
+ * @param line_size number of bytes in a horizontal line of block
+ * @param h height
+ */
op_pixels_func avg_pixels_tab[2][4];
+
+ /**
+ * Halfpel motion compensation with no rounding (a+b)>>1.
+ * *pixels_tab[ 0->16x16 1->8x8 ][ xhalfpel + 2*yhalfpel ]
+ * @param block destination where the result is stored
+ * @param pixels source
+ * @param line_size number of bytes in a horizontal line of block
+ * @param h height
+ */
op_pixels_func put_no_rnd_pixels_tab[2][4];
+
+ /**
+ * Halfpel motion compensation with no rounding (a+b)>>1.
+ * *pixels_tab[ 0->16x16 1->8x8 ][ xhalfpel + 2*yhalfpel ]
+ * @param block destination into which the result is averaged (a+b)>>1
+ * @param pixels source
+ * @param line_size number of bytes in a horizontal line of block
+ * @param h height
+ */
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];
@@ -154,16 +205,53 @@ typedef struct DSPContext {
/* huffyuv specific */
void (*add_bytes)(uint8_t *dst/*align 16*/, uint8_t *src/*align 16*/, int w);
void (*diff_bytes)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 1*/,int w);
+
+ /* (I)DCT */
+ void (*fdct)(DCTELEM *block/* align 16*/);
+
+ /**
+ * block -> idct -> clip to unsigned 8 bit -> dest.
+ * (-1392, 0, 0, ...) -> idct -> (-174, -174, ...) -> put -> (0, 0, ...)
+ * @param line_size size in bytes of a horizotal line of dest
+ */
+ void (*idct_put)(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
+
+ /**
+ * block -> idct -> add dest -> clip to unsigned 8 bit -> dest.
+ * @param line_size size in bytes of a horizotal line of dest
+ */
+ void (*idct_add)(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
+
+ /**
+ * idct input permutation.
+ * an example to avoid confusion:
+ * - (->decode coeffs -> zigzag reorder -> dequant -> reference idct ->...)
+ * - (x -> referece dct -> reference idct -> x)
+ * - (x -> referece dct -> simple_mmx_perm = idct_permutation -> simple_idct_mmx -> x)
+ * - (->decode coeffs -> zigzag reorder -> simple_mmx_perm -> dequant -> simple_idct_mmx ->...)
+ */
+ uint8_t idct_permutation[64];
+ int idct_permutation_type;
+#define FF_NO_IDCT_PERM 1
+#define FF_LIBMPEG2_IDCT_PERM 2
+#define FF_SIMPLE_IDCT_PERM 3
+#define FF_TRANSPOSE_IDCT_PERM 4
+
} DSPContext;
-void dsputil_init(DSPContext* p, unsigned mask);
+void dsputil_init(DSPContext* p, AVCodecContext *avctx);
/**
* permute block according to permuatation.
* @param last last non zero element in scantable order
*/
-void ff_block_permute(DCTELEM *block, UINT8 *permutation, const UINT8 *scantable, int last);
+void ff_block_permute(DCTELEM *block, uint8_t *permutation, const uint8_t *scantable, int last);
+/**
+ * Empty mmx state.
+ * this must be called between any dsp function and float/double code.
+ * for example sin(); dsp->idct_put(); emms_c(); cos()
+ */
#define emms_c()
/* should be defined by architectures supporting
@@ -184,8 +272,8 @@ int mm_support(void);
extern int mm_flags;
-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);
+void add_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
+void put_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
#if 0
static inline void emms(void)
@@ -203,8 +291,8 @@ static inline void emms(void)
#define __align8 __attribute__ ((aligned (8)))
-void dsputil_init_mmx(DSPContext* c, unsigned mask);
-void dsputil_set_bit_exact_mmx(DSPContext* c, unsigned mask);
+void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx);
+void dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx);
#elif defined(ARCH_ARMV4L)
@@ -212,20 +300,20 @@ void dsputil_set_bit_exact_mmx(DSPContext* c, unsigned mask);
line ptimizations */
#define __align8 __attribute__ ((aligned (4)))
-void dsputil_init_armv4l(DSPContext* c, unsigned mask);
+void dsputil_init_armv4l(DSPContext* c, AVCodecContext *avctx);
#elif defined(HAVE_MLIB)
/* SPARC/VIS IDCT needs 8-byte aligned DCT blocks */
#define __align8 __attribute__ ((aligned (8)))
-void dsputil_init_mlib(DSPContext* c, unsigned mask);
+void dsputil_init_mlib(DSPContext* c, AVCodecContext *avctx);
#elif defined(ARCH_ALPHA)
#define __align8 __attribute__ ((aligned (8)))
-void dsputil_init_alpha(DSPContext* c, unsigned mask);
+void dsputil_init_alpha(DSPContext* c, AVCodecContext *avctx);
#elif defined(ARCH_POWERPC)
@@ -239,13 +327,13 @@ extern int mm_flags;
#define __align8 __attribute__ ((aligned (16)))
-void dsputil_init_ppc(DSPContext* c, unsigned mask);
+void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx);
#elif defined(HAVE_MMI)
#define __align8 __attribute__ ((aligned (16)))
-void dsputil_init_mmi(DSPContext* c, unsigned mask);
+void dsputil_init_mmi(DSPContext* c, AVCodecContext *avctx);
#else
@@ -273,7 +361,7 @@ struct unaligned_32 { uint32_t l; } __attribute__((packed));
#endif /* !__GNUC__ */
/* PSNR */
-void get_psnr(UINT8 *orig_image[3], UINT8 *coded_image[3],
+void get_psnr(uint8_t *orig_image[3], uint8_t *coded_image[3],
int orig_linesize[3], int coded_linesize,
AVCodecContext *avctx);
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-28 18:14:17 +0000