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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/cpu.h"

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

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

  28. #include "libavcodec/h264qpel.h"

  29. #include "hpeldsp_altivec.h"

  30. 

  31. #if HAVE_ALTIVEC && HAVE_BIGENDIAN

  32. 

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

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

  35. 

  36. #define OP_U8_ALTIVEC                          PUT_OP_U8_ALTIVEC

  37. #define PREFIX_h264_qpel16_h_lowpass_altivec   put_h264_qpel16_h_lowpass_altivec

  38. #define PREFIX_h264_qpel16_h_lowpass_num       altivec_put_h264_qpel16_h_lowpass_num

  39. #define PREFIX_h264_qpel16_v_lowpass_altivec   put_h264_qpel16_v_lowpass_altivec

  40. #define PREFIX_h264_qpel16_v_lowpass_num       altivec_put_h264_qpel16_v_lowpass_num

  41. #define PREFIX_h264_qpel16_hv_lowpass_altivec  put_h264_qpel16_hv_lowpass_altivec

  42. #define PREFIX_h264_qpel16_hv_lowpass_num      altivec_put_h264_qpel16_hv_lowpass_num

  43. #include "h264qpel_template.c"

  44. #undef OP_U8_ALTIVEC

  45. #undef PREFIX_h264_qpel16_h_lowpass_altivec

  46. #undef PREFIX_h264_qpel16_h_lowpass_num

  47. #undef PREFIX_h264_qpel16_v_lowpass_altivec

  48. #undef PREFIX_h264_qpel16_v_lowpass_num

  49. #undef PREFIX_h264_qpel16_hv_lowpass_altivec

  50. #undef PREFIX_h264_qpel16_hv_lowpass_num

  51. 

  52. #define OP_U8_ALTIVEC                          AVG_OP_U8_ALTIVEC

  53. #define PREFIX_h264_qpel16_h_lowpass_altivec   avg_h264_qpel16_h_lowpass_altivec

  54. #define PREFIX_h264_qpel16_h_lowpass_num       altivec_avg_h264_qpel16_h_lowpass_num

  55. #define PREFIX_h264_qpel16_v_lowpass_altivec   avg_h264_qpel16_v_lowpass_altivec

  56. #define PREFIX_h264_qpel16_v_lowpass_num       altivec_avg_h264_qpel16_v_lowpass_num

  57. #define PREFIX_h264_qpel16_hv_lowpass_altivec  avg_h264_qpel16_hv_lowpass_altivec

  58. #define PREFIX_h264_qpel16_hv_lowpass_num      altivec_avg_h264_qpel16_hv_lowpass_num

  59. #include "h264qpel_template.c"

  60. #undef OP_U8_ALTIVEC

  61. #undef PREFIX_h264_qpel16_h_lowpass_altivec

  62. #undef PREFIX_h264_qpel16_h_lowpass_num

  63. #undef PREFIX_h264_qpel16_v_lowpass_altivec

  64. #undef PREFIX_h264_qpel16_v_lowpass_num

  65. #undef PREFIX_h264_qpel16_hv_lowpass_altivec

  66. #undef PREFIX_h264_qpel16_hv_lowpass_num

  67. 

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

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

  70. {\

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

  72. }\

  73. \

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

  75. { \

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

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

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

  79. }\

  80. \

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

  82. {\

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

  84. }\

  85. \

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

  87. {\

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

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

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

  91. }\

  92. \

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

  94. {\

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

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

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

  98. }\

  99. \

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

  101. {\

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

  103. }\

  104. \

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

  106. {\

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

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

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

  110. }\

  111. \

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

  113. {\

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

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

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

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

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

  119. }\

  120. \

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

  122. {\

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

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

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

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

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

  128. }\

  129. \

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

  131. {\

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

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

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

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

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

  137. }\

  138. \

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

  140. {\

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

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

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

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

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

  146. }\

  147. \

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

  149. {\

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

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

  152. }\

  153. \

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

  155. {\

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

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

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

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

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

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

  162. }\

  163. \

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

  165. {\

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

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

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

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

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

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

  172. }\

  173. \

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

  175. {\

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

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

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

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

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

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

  182. }\

  183. \

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

  185. {\

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

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

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

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

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

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

  192. }\

  193. 

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

  195.                                     const uint8_t * src2, int dst_stride,

  196.                                     int src_stride1, int h)

  197. {

  198.     int i;

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

  200. 

  201.     mask_ = vec_lvsl(0, src2);

  202. 

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

  204. 

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

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

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

  208. 

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

  210. 

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

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

  213. 

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

  215. 

  216.         tmp1 = vec_ld(0, dst);

  217.         mask = vec_lvsl(0, dst);

  218.         tmp2 = vec_ld(15, dst);

  219. 

  220.         d = vec_avg(a, b);

  221. 

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

  223. 

  224.         align = vec_lvsr(0, dst);

  225. 

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

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

  228. 

  229.         vec_st(tmp2, 15, dst);

  230.         vec_st(tmp1, 0 , dst);

  231. 

  232.         dst += dst_stride;

  233.     }

  234. }

  235. 

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

  237.                                     const uint8_t * src2, int dst_stride,

  238.                                     int src_stride1, int h)

  239. {

  240.     int i;

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

  242. 

  243.     mask_ = vec_lvsl(0, src2);

  244. 

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

  246. 

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

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

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

  250. 

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

  252. 

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

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

  255. 

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

  257. 

  258.         tmp1 = vec_ld(0, dst);

  259.         mask = vec_lvsl(0, dst);

  260.         tmp2 = vec_ld(15, dst);

  261. 

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

  263. 

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

  265. 

  266.         align = vec_lvsr(0, dst);

  267. 

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

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

  270. 

  271.         vec_st(tmp2, 15, dst);

  272.         vec_st(tmp1, 0 , dst);

  273. 

  274.         dst += dst_stride;

  275.     }

  276. }

  277. 

  278. /* Implemented but could be faster

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

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

  281.  */

  282. 

  283. H264_MC(put_, 16, altivec)

  284. H264_MC(avg_, 16, altivec)

  285. #endif /* HAVE_ALTIVEC */

  286. 

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

  288. {

  289. #if HAVE_ALTIVEC && HAVE_BIGENDIAN

  290.     const int high_bit_depth = bit_depth > 8;

  291. 

  292.     if (!PPC_ALTIVEC(av_get_cpu_flags()))

  293.         return;

  294. 

  295.     if (!high_bit_depth) {

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  313. 

  314.         dspfunc(put_h264_qpel, 0, 16);

  315.         dspfunc(avg_h264_qpel, 0, 16);

  316. #undef dspfunc

  317.     }

  318. #endif /* HAVE_ALTIVEC */

  319. }