/*****************************************************************************
- * pixel.h: h264 encoder library
+ * pixel.c: pixel metrics
*****************************************************************************
- * Copyright (C) 2003 Laurent Aimar
- * $Id: pixel.h,v 1.1 2004/06/03 19:27:07 fenrir Exp $
+ * Copyright (C) 2004-2011 x264 project
*
- * Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ * Authors: Loren Merritt <lorenm@u.washington.edu>
+ * Fiona Glaser <fiona@x264.com>
+ Henrik Gramner <hengar-6@student.ltu.se>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
+ *
+ * This program is also available under a commercial proprietary license.
+ * For more information, contact us at licensing@x264.com.
*****************************************************************************/
-#ifndef _PIXEL_H
-#define _PIXEL_H 1
+#ifndef X264_PIXEL_H
+#define X264_PIXEL_H
-typedef int (*x264_pixel_cmp_t) ( uint8_t *, int, uint8_t *, int );
-typedef void (*x264_pixel_avg_t) ( uint8_t *, int, uint8_t *, int );
-typedef void (*x264_pixel_avg_weight_t) ( uint8_t *, int, uint8_t *, int, int );
+// SSD assumes all args aligned
+// other cmp functions assume first arg aligned
+typedef int (*x264_pixel_cmp_t) ( pixel *, int, pixel *, int );
+typedef void (*x264_pixel_cmp_x3_t) ( pixel *, pixel *, pixel *, pixel *, int, int[3] );
+typedef void (*x264_pixel_cmp_x4_t) ( pixel *, pixel *, pixel *, pixel *, pixel *, int, int[4] );
enum
{
PIXEL_8x4 = 4,
PIXEL_4x8 = 5,
PIXEL_4x4 = 6,
- PIXEL_4x2 = 7,
- PIXEL_2x4 = 8,
- PIXEL_2x2 = 9,
+
+ /* Subsampled chroma only */
+ PIXEL_4x16 = 7, /* 4:2:2 */
+ PIXEL_4x2 = 8,
+ PIXEL_2x8 = 9, /* 4:2:2 */
+ PIXEL_2x4 = 10,
+ PIXEL_2x2 = 11,
};
-static const struct {
- int w;
- int h;
-} x264_pixel_size[7] = {
- { 16, 16 },
- { 16, 8 }, { 8, 16 },
- { 8, 8 },
- { 8, 4 }, { 4, 8 },
- { 4, 4 }
+static const struct { uint8_t w, h; } x264_pixel_size[12] =
+{
+ { 16, 16 }, { 16, 8 }, { 8, 16 }, { 8, 8 }, { 8, 4 }, { 4, 8 }, { 4, 4 },
+ { 4, 16 }, { 4, 2 }, { 2, 8 }, { 2, 4 }, { 2, 2 },
};
-static const int x264_size2pixel[5][5] = {
+static const uint8_t x264_size2pixel[5][5] =
+{
{ 0, },
{ 0, PIXEL_4x4, PIXEL_8x4, 0, 0 },
{ 0, PIXEL_4x8, PIXEL_8x8, 0, PIXEL_16x8 },
{ 0, 0, PIXEL_8x16, 0, PIXEL_16x16 }
};
+static const uint8_t x264_luma2chroma_pixel[4][7] =
+{
+ { 0 },
+ { PIXEL_8x8, PIXEL_8x4, PIXEL_4x8, PIXEL_4x4, PIXEL_4x2, PIXEL_2x4, PIXEL_2x2 }, /* 4:2:0 */
+ { PIXEL_8x16, PIXEL_8x8, PIXEL_4x16, PIXEL_4x8, PIXEL_4x4, PIXEL_2x8, PIXEL_2x4 }, /* 4:2:2 */
+ { PIXEL_16x16, PIXEL_16x8, PIXEL_8x16, PIXEL_8x8, PIXEL_8x4, PIXEL_4x8, PIXEL_4x4 }, /* 4:4:4 */
+};
+
typedef struct
{
- x264_pixel_cmp_t sad[7];
- x264_pixel_cmp_t ssd[7];
- x264_pixel_cmp_t satd[7];
+ x264_pixel_cmp_t sad[8];
+ x264_pixel_cmp_t ssd[8];
+ x264_pixel_cmp_t satd[8];
+ x264_pixel_cmp_t ssim[7];
x264_pixel_cmp_t sa8d[4];
- x264_pixel_cmp_t mbcmp[7]; /* either satd or sad for subpel refine and mode decision */
- x264_pixel_avg_t avg[10];
- x264_pixel_avg_weight_t avg_weight[10];
+ x264_pixel_cmp_t mbcmp[8]; /* either satd or sad for subpel refine and mode decision */
+ x264_pixel_cmp_t mbcmp_unaligned[8]; /* unaligned mbcmp for subpel */
+ x264_pixel_cmp_t fpelcmp[8]; /* either satd or sad for fullpel motion search */
+ x264_pixel_cmp_x3_t fpelcmp_x3[7];
+ x264_pixel_cmp_x4_t fpelcmp_x4[7];
+ x264_pixel_cmp_t sad_aligned[8]; /* Aligned SAD for mbcmp */
+ int (*vsad)( pixel *, int, int );
+
+ uint64_t (*var[4])( pixel *pix, int stride );
+ int (*var2[4])( pixel *pix1, int stride1,
+ pixel *pix2, int stride2, int *ssd );
+ uint64_t (*hadamard_ac[4])( pixel *pix, int stride );
+
+ void (*ssd_nv12_core)( pixel *pixuv1, int stride1,
+ pixel *pixuv2, int stride2, int width, int height,
+ uint64_t *ssd_u, uint64_t *ssd_v );
+ void (*ssim_4x4x2_core)( const pixel *pix1, int stride1,
+ const pixel *pix2, int stride2, int sums[2][4] );
+ float (*ssim_end4)( int sum0[5][4], int sum1[5][4], int width );
+
+ /* multiple parallel calls to cmp. */
+ x264_pixel_cmp_x3_t sad_x3[7];
+ x264_pixel_cmp_x4_t sad_x4[7];
+ x264_pixel_cmp_x3_t satd_x3[7];
+ x264_pixel_cmp_x4_t satd_x4[7];
+
+ /* abs-diff-sum for successive elimination.
+ * may round width up to a multiple of 16. */
+ int (*ads[7])( int enc_dc[4], uint16_t *sums, int delta,
+ uint16_t *cost_mvx, int16_t *mvs, int width, int thresh );
+
+ /* calculate satd or sad of V, H, and DC modes. */
+ void (*intra_mbcmp_x3_16x16)( pixel *fenc, pixel *fdec, int res[3] );
+ void (*intra_satd_x3_16x16) ( pixel *fenc, pixel *fdec, int res[3] );
+ void (*intra_sad_x3_16x16) ( pixel *fenc, pixel *fdec, int res[3] );
+ void (*intra_mbcmp_x3_4x4) ( pixel *fenc, pixel *fdec, int res[3] );
+ void (*intra_satd_x3_4x4) ( pixel *fenc, pixel *fdec, int res[3] );
+ void (*intra_sad_x3_4x4) ( pixel *fenc, pixel *fdec, int res[3] );
+ void (*intra_mbcmp_x3_chroma)( pixel *fenc, pixel *fdec, int res[3] );
+ void (*intra_satd_x3_chroma) ( pixel *fenc, pixel *fdec, int res[3] );
+ void (*intra_sad_x3_chroma) ( pixel *fenc, pixel *fdec, int res[3] );
+ void (*intra_mbcmp_x3_8x16c) ( pixel *fenc, pixel *fdec, int res[3] );
+ void (*intra_satd_x3_8x16c) ( pixel *fenc, pixel *fdec, int res[3] );
+ void (*intra_sad_x3_8x16c) ( pixel *fenc, pixel *fdec, int res[3] );
+ void (*intra_mbcmp_x3_8x8c) ( pixel *fenc, pixel *fdec, int res[3] );
+ void (*intra_satd_x3_8x8c) ( pixel *fenc, pixel *fdec, int res[3] );
+ void (*intra_sad_x3_8x8c) ( pixel *fenc, pixel *fdec, int res[3] );
+ void (*intra_mbcmp_x3_8x8) ( pixel *fenc, pixel edge[36], int res[3] );
+ void (*intra_sa8d_x3_8x8) ( pixel *fenc, pixel edge[36], int res[3] );
+ void (*intra_sad_x3_8x8) ( pixel *fenc, pixel edge[36], int res[3] );
+ /* find minimum satd or sad of all modes.
+ * may be NULL, in which case just use pred+satd instead. */
+ int (*intra_mbcmp_x9_4x4)( pixel *fenc, pixel *fdec, uint16_t *bitcosts );
+ int (*intra_satd_x9_4x4) ( pixel *fenc, pixel *fdec, uint16_t *bitcosts );
+ int (*intra_sad_x9_4x4) ( pixel *fenc, pixel *fdec, uint16_t *bitcosts );
} x264_pixel_function_t;
void x264_pixel_init( int cpu, x264_pixel_function_t *pixf );
+void x264_pixel_ssd_nv12( x264_pixel_function_t *pf, pixel *pix1, int i_pix1, pixel *pix2, int i_pix2, int i_width, int i_height, uint64_t *ssd_u, uint64_t *ssd_v );
+uint64_t x264_pixel_ssd_wxh( x264_pixel_function_t *pf, pixel *pix1, int i_pix1, pixel *pix2, int i_pix2, int i_width, int i_height );
+float x264_pixel_ssim_wxh( x264_pixel_function_t *pf, pixel *pix1, int i_pix1, pixel *pix2, int i_pix2, int i_width, int i_height, void *buf, int *cnt );
+int x264_field_vsad( x264_t *h, int mb_x, int mb_y );
#endif
projects / x264 / blobdiff