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Diffstat (limited to 'src/libffmpeg/libavcodec/dsputil.h')
-rw-r--r--src/libffmpeg/libavcodec/dsputil.h98
1 files changed, 74 insertions, 24 deletions
diff --git a/src/libffmpeg/libavcodec/dsputil.h b/src/libffmpeg/libavcodec/dsputil.h
index 899de027b..da78f54c8 100644
--- a/src/libffmpeg/libavcodec/dsputil.h
+++ b/src/libffmpeg/libavcodec/dsputil.h
@@ -32,15 +32,12 @@ void ff_jpeg_fdct_islow (DCTELEM *data);
void j_rev_dct (DCTELEM *data);
-void fdct_mmx(DCTELEM *block);
+void ff_fdct_mmx(DCTELEM *block);
/* encoding scans */
-extern UINT8 ff_alternate_horizontal_scan[64];
-extern UINT8 ff_alternate_vertical_scan[64];
-extern UINT8 zigzag_direct[64];
-
-/* permutation table */
-extern UINT8 permutation[64];
+extern const UINT8 ff_alternate_horizontal_scan[64];
+extern const UINT8 ff_alternate_vertical_scan[64];
+extern const UINT8 ff_zigzag_direct[64];
/* pixel operations */
#define MAX_NEG_CROP 384
@@ -52,7 +49,7 @@ 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)
@@ -62,14 +59,13 @@ i (michael) didnt check them, these are just the alignents which i think could b
*/
/* pixel ops : interface with DCT */
-extern void (*ff_idct)(DCTELEM *block/*align 16*/);
-extern void (*ff_idct_put)(UINT8 *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
-extern void (*ff_idct_add)(UINT8 *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
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 (*gmc1)(UINT8 *dst/*align 8*/, UINT8 *src/*align 1*/, int srcStride, int h, int x16, int y16, int rounder);
+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);
@@ -83,7 +79,7 @@ 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 */
+// 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);
@@ -120,15 +116,14 @@ 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);
-static inline int block_permute_op(int j)
-{
- return permutation[j];
-}
-
-void block_permute(INT16 *block);
+/**
+ * permute block according to permuatation.
+ * @param last last non zero element in scantable order
+ */
+void ff_block_permute(INT16 *block, UINT8 *permutation, const UINT8 *scantable, int last);
#if defined(ARCH_X86)
-#define HAVE_MMX 1
+#define HAVE_MMX 1
#endif
#if defined(HAVE_MMX)
@@ -146,7 +141,7 @@ extern int mm_flags;
/*int mm_support(void);*/
#define mm_support() xine_mm_accel()
-#if 0
+#if 0
static inline void emms(void)
{
__asm __volatile ("emms;":::"memory");
@@ -172,16 +167,16 @@ void dsputil_set_bit_exact_mmx(void);
line ptimizations */
#define __align8 __attribute__ ((aligned (4)))
-void dsputil_init_armv4l(void);
+void dsputil_init_armv4l(void);
#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(void);
#elif defined(ARCH_ALPHA)
@@ -197,6 +192,14 @@ void dsputil_init_alpha(void);
void dsputil_init_ppc(void);
+#elif defined(HAVE_MMI)
+
+#define emms_c()
+
+#define __align8 __attribute__ ((aligned (16)))
+
+void dsputil_init_mmi(void);
+
#else
#define emms_c()
@@ -229,4 +232,51 @@ void get_psnr(UINT8 *orig_image[3], UINT8 *coded_image[3],
int orig_linesize[3], int coded_linesize,
AVCodecContext *avctx);
+/* FFT computation */
+
+/* NOTE: soon integer code will be added, so you must use the
+ FFTSample type */
+typedef float FFTSample;
+
+typedef struct FFTComplex {
+ FFTSample re, im;
+} FFTComplex;
+
+typedef struct FFTContext {
+ int nbits;
+ int inverse;
+ uint16_t *revtab;
+ FFTComplex *exptab;
+ FFTComplex *exptab1; /* only used by SSE code */
+ void (*fft_calc)(struct FFTContext *s, FFTComplex *z);
+} FFTContext;
+
+int fft_init(FFTContext *s, int nbits, int inverse);
+void fft_permute(FFTContext *s, FFTComplex *z);
+void fft_calc_c(FFTContext *s, FFTComplex *z);
+void fft_calc_sse(FFTContext *s, FFTComplex *z);
+static inline void fft_calc(FFTContext *s, FFTComplex *z)
+{
+ s->fft_calc(s, z);
+}
+void fft_end(FFTContext *s);
+
+/* MDCT computation */
+
+typedef struct MDCTContext {
+ int n; /* size of MDCT (i.e. number of input data * 2) */
+ int nbits; /* n = 2^nbits */
+ /* pre/post rotation tables */
+ FFTSample *tcos;
+ FFTSample *tsin;
+ FFTContext fft;
+} MDCTContext;
+
+int mdct_init(MDCTContext *s, int nbits, int inverse);
+void imdct_calc(MDCTContext *s, FFTSample *output,
+ const FFTSample *input, FFTSample *tmp);
+void mdct_calc(MDCTContext *s, FFTSample *out,
+ const FFTSample *input, FFTSample *tmp);
+void mdct_end(MDCTContext *s);
+
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-01 07:48:27 +0000