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FFmpeg/libavcodec/ppc/h264qpel.c

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  1. /*

  2.  * Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.org>

  3.  *

  4.  * This file is part of Libav.

  5.  *

  6.  * Libav is free software; you can redistribute it and/or

  7.  * modify it under the terms of the GNU Lesser General Public

  8.  * License as published by the Free Software Foundation; either

  9.  * version 2.1 of the License, or (at your option) any later version.

  10.  *

  11.  * Libav is distributed in the hope that it will be useful,

  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  14.  * Lesser General Public License for more details.

  15.  *

  16.  * You should have received a copy of the GNU Lesser General Public

  17.  * License along with Libav; if not, write to the Free Software

  18.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  19.  */

  20. 

  21. #include "config.h"

  22. #include "libavutil/attributes.h"

  23. #include "libavutil/cpu.h"

  24. #include "libavutil/intreadwrite.h"

  25. #include "libavutil/ppc/types_altivec.h"

  26. #include "libavutil/ppc/util_altivec.h"

  27. #include "libavcodec/h264qpel.h"

  28. #include "dsputil_altivec.h"

  29. 

  30. #if HAVE_ALTIVEC

  31. 

  32. #define PUT_OP_U8_ALTIVEC(d, s, dst) d = s

  33. #define AVG_OP_U8_ALTIVEC(d, s, dst) d = vec_avg(dst, s)

  34. 

  35. #define OP_U8_ALTIVEC                          PUT_OP_U8_ALTIVEC

  36. #define PREFIX_h264_qpel16_h_lowpass_altivec   put_h264_qpel16_h_lowpass_altivec

  37. #define PREFIX_h264_qpel16_h_lowpass_num       altivec_put_h264_qpel16_h_lowpass_num

  38. #define PREFIX_h264_qpel16_v_lowpass_altivec   put_h264_qpel16_v_lowpass_altivec

  39. #define PREFIX_h264_qpel16_v_lowpass_num       altivec_put_h264_qpel16_v_lowpass_num

  40. #define PREFIX_h264_qpel16_hv_lowpass_altivec  put_h264_qpel16_hv_lowpass_altivec

  41. #define PREFIX_h264_qpel16_hv_lowpass_num      altivec_put_h264_qpel16_hv_lowpass_num

  42. #include "h264qpel_template.c"

  43. #undef OP_U8_ALTIVEC

  44. #undef PREFIX_h264_qpel16_h_lowpass_altivec

  45. #undef PREFIX_h264_qpel16_h_lowpass_num

  46. #undef PREFIX_h264_qpel16_v_lowpass_altivec

  47. #undef PREFIX_h264_qpel16_v_lowpass_num

  48. #undef PREFIX_h264_qpel16_hv_lowpass_altivec

  49. #undef PREFIX_h264_qpel16_hv_lowpass_num

  50. 

  51. #define OP_U8_ALTIVEC                          AVG_OP_U8_ALTIVEC

  52. #define PREFIX_h264_qpel16_h_lowpass_altivec   avg_h264_qpel16_h_lowpass_altivec

  53. #define PREFIX_h264_qpel16_h_lowpass_num       altivec_avg_h264_qpel16_h_lowpass_num

  54. #define PREFIX_h264_qpel16_v_lowpass_altivec   avg_h264_qpel16_v_lowpass_altivec

  55. #define PREFIX_h264_qpel16_v_lowpass_num       altivec_avg_h264_qpel16_v_lowpass_num

  56. #define PREFIX_h264_qpel16_hv_lowpass_altivec  avg_h264_qpel16_hv_lowpass_altivec

  57. #define PREFIX_h264_qpel16_hv_lowpass_num      altivec_avg_h264_qpel16_hv_lowpass_num

  58. #include "h264qpel_template.c"

  59. #undef OP_U8_ALTIVEC

  60. #undef PREFIX_h264_qpel16_h_lowpass_altivec

  61. #undef PREFIX_h264_qpel16_h_lowpass_num

  62. #undef PREFIX_h264_qpel16_v_lowpass_altivec

  63. #undef PREFIX_h264_qpel16_v_lowpass_num

  64. #undef PREFIX_h264_qpel16_hv_lowpass_altivec

  65. #undef PREFIX_h264_qpel16_hv_lowpass_num

  66. 

  67. #define H264_MC(OPNAME, SIZE, CODETYPE) \

  68. static void OPNAME ## h264_qpel ## SIZE ## _mc00_ ## CODETYPE (uint8_t *dst, uint8_t *src, ptrdiff_t stride)\

  69. {\

  70.     ff_ ## OPNAME ## pixels ## SIZE ## _ ## CODETYPE(dst, src, stride, SIZE);\

  71. }\

  72. \

  73. static void OPNAME ## h264_qpel ## SIZE ## _mc10_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\

  74. { \

  75.     DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\

  76.     put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\

  77.     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\

  78. }\

  79. \

  80. static void OPNAME ## h264_qpel ## SIZE ## _mc20_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\

  81. {\

  82.     OPNAME ## h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(dst, src, stride, stride);\

  83. }\

  84. \

  85. static void OPNAME ## h264_qpel ## SIZE ## _mc30_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\

  86. {\

  87.     DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\

  88.     put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\

  89.     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+1, half, stride, stride, SIZE);\

  90. }\

  91. \

  92. static void OPNAME ## h264_qpel ## SIZE ## _mc01_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\

  93. {\

  94.     DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\

  95.     put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\

  96.     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\

  97. }\

  98. \

  99. static void OPNAME ## h264_qpel ## SIZE ## _mc02_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\

  100. {\

  101.     OPNAME ## h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(dst, src, stride, stride);\

  102. }\

  103. \

  104. static void OPNAME ## h264_qpel ## SIZE ## _mc03_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\

  105. {\

  106.     DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\

  107.     put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\

  108.     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+stride, half, stride, stride, SIZE);\

  109. }\

  110. \

  111. static void OPNAME ## h264_qpel ## SIZE ## _mc11_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\

  112. {\

  113.     DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\

  114.     DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\

  115.     put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\

  116.     put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\

  117.     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\

  118. }\

  119. \

  120. static void OPNAME ## h264_qpel ## SIZE ## _mc31_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\

  121. {\

  122.     DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\

  123.     DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\

  124.     put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\

  125.     put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\

  126.     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\

  127. }\

  128. \

  129. static void OPNAME ## h264_qpel ## SIZE ## _mc13_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\

  130. {\

  131.     DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\

  132.     DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\

  133.     put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\

  134.     put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\

  135.     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\

  136. }\

  137. \

  138. static void OPNAME ## h264_qpel ## SIZE ## _mc33_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\

  139. {\

  140.     DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\

  141.     DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\

  142.     put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\

  143.     put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\

  144.     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\

  145. }\

  146. \

  147. static void OPNAME ## h264_qpel ## SIZE ## _mc22_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\

  148. {\

  149.     DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\

  150.     OPNAME ## h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(dst, tmp, src, stride, SIZE, stride);\

  151. }\

  152. \

  153. static void OPNAME ## h264_qpel ## SIZE ## _mc21_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\

  154. {\

  155.     DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\

  156.     DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\

  157.     DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\

  158.     put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\

  159.     put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\

  160.     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\

  161. }\

  162. \

  163. static void OPNAME ## h264_qpel ## SIZE ## _mc23_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\

  164. {\

  165.     DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\

  166.     DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\

  167.     DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\

  168.     put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\

  169.     put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\

  170.     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\

  171. }\

  172. \

  173. static void OPNAME ## h264_qpel ## SIZE ## _mc12_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\

  174. {\

  175.     DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\

  176.     DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\

  177.     DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\

  178.     put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\

  179.     put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\

  180.     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\

  181. }\

  182. \

  183. static void OPNAME ## h264_qpel ## SIZE ## _mc32_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\

  184. {\

  185.     DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\

  186.     DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\

  187.     DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\

  188.     put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\

  189.     put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\

  190.     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\

  191. }\

  192. 

  193. static inline void put_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1,

  194.                                     const uint8_t * src2, int dst_stride,

  195.                                     int src_stride1, int h)

  196. {

  197.     int i;

  198.     vec_u8 a, b, d, tmp1, tmp2, mask, mask_, edges, align;

  199. 

  200.     mask_ = vec_lvsl(0, src2);

  201. 

  202.     for (i = 0; i < h; i++) {

  203. 

  204.         tmp1 = vec_ld(i * src_stride1, src1);

  205.         mask = vec_lvsl(i * src_stride1, src1);

  206.         tmp2 = vec_ld(i * src_stride1 + 15, src1);

  207. 

  208.         a = vec_perm(tmp1, tmp2, mask);

  209. 

  210.         tmp1 = vec_ld(i * 16, src2);

  211.         tmp2 = vec_ld(i * 16 + 15, src2);

  212. 

  213.         b = vec_perm(tmp1, tmp2, mask_);

  214. 

  215.         tmp1 = vec_ld(0, dst);

  216.         mask = vec_lvsl(0, dst);

  217.         tmp2 = vec_ld(15, dst);

  218. 

  219.         d = vec_avg(a, b);

  220. 

  221.         edges = vec_perm(tmp2, tmp1, mask);

  222. 

  223.         align = vec_lvsr(0, dst);

  224. 

  225.         tmp2 = vec_perm(d, edges, align);

  226.         tmp1 = vec_perm(edges, d, align);

  227. 

  228.         vec_st(tmp2, 15, dst);

  229.         vec_st(tmp1, 0 , dst);

  230. 

  231.         dst += dst_stride;

  232.     }

  233. }

  234. 

  235. static inline void avg_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1,

  236.                                     const uint8_t * src2, int dst_stride,

  237.                                     int src_stride1, int h)

  238. {

  239.     int i;

  240.     vec_u8 a, b, d, tmp1, tmp2, mask, mask_, edges, align;

  241. 

  242.     mask_ = vec_lvsl(0, src2);

  243. 

  244.     for (i = 0; i < h; i++) {

  245. 

  246.         tmp1 = vec_ld(i * src_stride1, src1);

  247.         mask = vec_lvsl(i * src_stride1, src1);

  248.         tmp2 = vec_ld(i * src_stride1 + 15, src1);

  249. 

  250.         a = vec_perm(tmp1, tmp2, mask);

  251. 

  252.         tmp1 = vec_ld(i * 16, src2);

  253.         tmp2 = vec_ld(i * 16 + 15, src2);

  254. 

  255.         b = vec_perm(tmp1, tmp2, mask_);

  256. 

  257.         tmp1 = vec_ld(0, dst);

  258.         mask = vec_lvsl(0, dst);

  259.         tmp2 = vec_ld(15, dst);

  260. 

  261.         d = vec_avg(vec_perm(tmp1, tmp2, mask), vec_avg(a, b));

  262. 

  263.         edges = vec_perm(tmp2, tmp1, mask);

  264. 

  265.         align = vec_lvsr(0, dst);

  266. 

  267.         tmp2 = vec_perm(d, edges, align);

  268.         tmp1 = vec_perm(edges, d, align);

  269. 

  270.         vec_st(tmp2, 15, dst);

  271.         vec_st(tmp1, 0 , dst);

  272. 

  273.         dst += dst_stride;

  274.     }

  275. }

  276. 

  277. /* Implemented but could be faster

  278. #define put_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) put_pixels16_l2(d,s1,s2,ds,s1s,16,h)

  279. #define avg_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) avg_pixels16_l2(d,s1,s2,ds,s1s,16,h)

  280.  */

  281. 

  282. H264_MC(put_, 16, altivec)

  283. H264_MC(avg_, 16, altivec)

  284. #endif /* HAVE_ALTIVEC */

  285. 

  286. av_cold void ff_h264qpel_init_ppc(H264QpelContext *c, int bit_depth)

  287. {

  288. #if HAVE_ALTIVEC

  289.     const int high_bit_depth = bit_depth > 8;

  290. 

  291.     if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC))

  292.         return;

  293. 

  294.     if (!high_bit_depth) {

  295. #define dspfunc(PFX, IDX, NUM) \

  296.         c->PFX ## _pixels_tab[IDX][ 0] = PFX ## NUM ## _mc00_altivec; \

  297.         c->PFX ## _pixels_tab[IDX][ 1] = PFX ## NUM ## _mc10_altivec; \

  298.         c->PFX ## _pixels_tab[IDX][ 2] = PFX ## NUM ## _mc20_altivec; \

  299.         c->PFX ## _pixels_tab[IDX][ 3] = PFX ## NUM ## _mc30_altivec; \

  300.         c->PFX ## _pixels_tab[IDX][ 4] = PFX ## NUM ## _mc01_altivec; \

  301.         c->PFX ## _pixels_tab[IDX][ 5] = PFX ## NUM ## _mc11_altivec; \

  302.         c->PFX ## _pixels_tab[IDX][ 6] = PFX ## NUM ## _mc21_altivec; \

  303.         c->PFX ## _pixels_tab[IDX][ 7] = PFX ## NUM ## _mc31_altivec; \

  304.         c->PFX ## _pixels_tab[IDX][ 8] = PFX ## NUM ## _mc02_altivec; \

  305.         c->PFX ## _pixels_tab[IDX][ 9] = PFX ## NUM ## _mc12_altivec; \

  306.         c->PFX ## _pixels_tab[IDX][10] = PFX ## NUM ## _mc22_altivec; \

  307.         c->PFX ## _pixels_tab[IDX][11] = PFX ## NUM ## _mc32_altivec; \

  308.         c->PFX ## _pixels_tab[IDX][12] = PFX ## NUM ## _mc03_altivec; \

  309.         c->PFX ## _pixels_tab[IDX][13] = PFX ## NUM ## _mc13_altivec; \

  310.         c->PFX ## _pixels_tab[IDX][14] = PFX ## NUM ## _mc23_altivec; \

  311.         c->PFX ## _pixels_tab[IDX][15] = PFX ## NUM ## _mc33_altivec

  312. 

  313.         dspfunc(put_h264_qpel, 0, 16);

  314.         dspfunc(avg_h264_qpel, 0, 16);

  315. #undef dspfunc

  316.     }

  317. #endif /* HAVE_ALTIVEC */

  318. }