int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height);
/* minimum alignment rules ;)
-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, ...
+If you 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-devel mailing list, ...
-!warning these alignments might not match reallity, (missing attribute((align)) stuff somewhere possible)
-i (michael) didnt check them, these are just the alignents which i think could be reached easily ...
+!warning These alignments might not match reality, (missing attribute((align))
+stuff somewhere possible).
+I (Michael) did not check them, these are just the alignments which I think
+could be reached easily ...
!future video codecs might need functions with less strict alignment
*/
// for snow slices
typedef struct slice_buffer_s slice_buffer;
+/**
+ * Scantable.
+ */
+typedef struct ScanTable{
+ const uint8_t *scantable;
+ uint8_t permutated[64];
+ uint8_t raster_end[64];
+#ifdef ARCH_POWERPC
+ /** Used by dct_quantize_altivec to find last-non-zero */
+ DECLARE_ALIGNED(16, uint8_t, inverse[64]);
+#endif
+} ScanTable;
+
+void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
+
+void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize,
+ int block_w, int block_h,
+ int src_x, int src_y, int w, int h);
+
/**
* DSPContext.
*/
/* huffyuv specific */
void (*add_bytes)(uint8_t *dst/*align 16*/, uint8_t *src/*align 16*/, int w);
+ void (*add_bytes_l2)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 16*/, int w);
void (*diff_bytes)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 1*/,int w);
/**
* subtract huffyuv's variant of median prediction
* note, this might read from src1[-1], src2[-1]
*/
void (*sub_hfyu_median_prediction)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w, int *left, int *left_top);
+ /* this might write to dst[w] */
+ void (*add_png_paeth_prediction)(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp);
void (*bswap_buf)(uint32_t *dst, const uint32_t *src, int w);
void (*h264_v_loop_filter_luma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0);
#define BASIS_SHIFT 16
#define RECON_SHIFT 6
+ void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w);
+#define EDGE_WIDTH 16
+
/* h264 functions */
void (*h264_idct_add)(uint8_t *dst, DCTELEM *block, int stride);
void (*h264_idct8_add)(uint8_t *dst, DCTELEM *block, int stride);
static inline void emms(void)
{
- __asm __volatile ("emms;":::"memory");
+ asm volatile ("emms;":::"memory");
}