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source: vbox/trunk/src/libs/ffmpeg-20060710/libavcodec/armv4l/dsputil_arm.c@ 10516

最後變更 在這個檔案從10516是 5776,由 vboxsync 提交於 17 年 前

ffmpeg: exported to OSE

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1/*
2 * ARMv4L optimized DSP utils
3 * Copyright (c) 2001 Lionel Ulmer.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20#include "../dsputil.h"
21#ifdef HAVE_IPP
22#include "ipp.h"
23#endif
24
25extern void dsputil_init_iwmmxt(DSPContext* c, AVCodecContext *avctx);
26
27extern void j_rev_dct_ARM(DCTELEM *data);
28extern void simple_idct_ARM(DCTELEM *data);
29
30/* XXX: local hack */
31static void (*ff_put_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
32static void (*ff_add_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
33
34void put_pixels8_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
35void put_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
36void put_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
37void put_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
38
39void put_no_rnd_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
40void put_no_rnd_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
41void put_no_rnd_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
42
43void put_pixels16_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
44
45CALL_2X_PIXELS(put_pixels16_x2_arm , put_pixels8_x2_arm , 8)
46CALL_2X_PIXELS(put_pixels16_y2_arm , put_pixels8_y2_arm , 8)
47CALL_2X_PIXELS(put_pixels16_xy2_arm, put_pixels8_xy2_arm, 8)
48CALL_2X_PIXELS(put_no_rnd_pixels16_x2_arm , put_no_rnd_pixels8_x2_arm , 8)
49CALL_2X_PIXELS(put_no_rnd_pixels16_y2_arm , put_no_rnd_pixels8_y2_arm , 8)
50CALL_2X_PIXELS(put_no_rnd_pixels16_xy2_arm, put_no_rnd_pixels8_xy2_arm, 8)
51
52static void add_pixels_clamped_ARM(short *block, unsigned char *dest, int line_size)
53{
54 asm volatile (
55 "mov r10, #8 \n\t"
56
57 "1: \n\t"
58
59 /* load dest */
60 "ldr r4, [%1] \n\t"
61 /* block[0] and block[1]*/
62 "ldrsh r5, [%0] \n\t"
63 "ldrsh r7, [%0, #2] \n\t"
64 "and r6, r4, #0xFF \n\t"
65 "and r8, r4, #0xFF00 \n\t"
66 "add r6, r5, r6 \n\t"
67 "add r8, r7, r8, lsr #8 \n\t"
68 "mvn r5, r5 \n\t"
69 "mvn r7, r7 \n\t"
70 "tst r6, #0x100 \n\t"
71 "movne r6, r5, lsr #24 \n\t"
72 "tst r8, #0x100 \n\t"
73 "movne r8, r7, lsr #24 \n\t"
74 "mov r9, r6 \n\t"
75 "ldrsh r5, [%0, #4] \n\t" /* moved form [A] */
76 "orr r9, r9, r8, lsl #8 \n\t"
77 /* block[2] and block[3] */
78 /* [A] */
79 "ldrsh r7, [%0, #6] \n\t"
80 "and r6, r4, #0xFF0000 \n\t"
81 "and r8, r4, #0xFF000000 \n\t"
82 "add r6, r5, r6, lsr #16 \n\t"
83 "add r8, r7, r8, lsr #24 \n\t"
84 "mvn r5, r5 \n\t"
85 "mvn r7, r7 \n\t"
86 "tst r6, #0x100 \n\t"
87 "movne r6, r5, lsr #24 \n\t"
88 "tst r8, #0x100 \n\t"
89 "movne r8, r7, lsr #24 \n\t"
90 "orr r9, r9, r6, lsl #16 \n\t"
91 "ldr r4, [%1, #4] \n\t" /* moved form [B] */
92 "orr r9, r9, r8, lsl #24 \n\t"
93 /* store dest */
94 "ldrsh r5, [%0, #8] \n\t" /* moved form [C] */
95 "str r9, [%1] \n\t"
96
97 /* load dest */
98 /* [B] */
99 /* block[4] and block[5] */
100 /* [C] */
101 "ldrsh r7, [%0, #10] \n\t"
102 "and r6, r4, #0xFF \n\t"
103 "and r8, r4, #0xFF00 \n\t"
104 "add r6, r5, r6 \n\t"
105 "add r8, r7, r8, lsr #8 \n\t"
106 "mvn r5, r5 \n\t"
107 "mvn r7, r7 \n\t"
108 "tst r6, #0x100 \n\t"
109 "movne r6, r5, lsr #24 \n\t"
110 "tst r8, #0x100 \n\t"
111 "movne r8, r7, lsr #24 \n\t"
112 "mov r9, r6 \n\t"
113 "ldrsh r5, [%0, #12] \n\t" /* moved from [D] */
114 "orr r9, r9, r8, lsl #8 \n\t"
115 /* block[6] and block[7] */
116 /* [D] */
117 "ldrsh r7, [%0, #14] \n\t"
118 "and r6, r4, #0xFF0000 \n\t"
119 "and r8, r4, #0xFF000000 \n\t"
120 "add r6, r5, r6, lsr #16 \n\t"
121 "add r8, r7, r8, lsr #24 \n\t"
122 "mvn r5, r5 \n\t"
123 "mvn r7, r7 \n\t"
124 "tst r6, #0x100 \n\t"
125 "movne r6, r5, lsr #24 \n\t"
126 "tst r8, #0x100 \n\t"
127 "movne r8, r7, lsr #24 \n\t"
128 "orr r9, r9, r6, lsl #16 \n\t"
129 "add %0, %0, #16 \n\t" /* moved from [E] */
130 "orr r9, r9, r8, lsl #24 \n\t"
131 "subs r10, r10, #1 \n\t" /* moved from [F] */
132 /* store dest */
133 "str r9, [%1, #4] \n\t"
134
135 /* [E] */
136 /* [F] */
137 "add %1, %1, %2 \n\t"
138 "bne 1b \n\t"
139 : "+r"(block),
140 "+r"(dest)
141 : "r"(line_size)
142 : "r4", "r5", "r6", "r7", "r8", "r9", "r10", "cc", "memory" );
143}
144
145/* XXX: those functions should be suppressed ASAP when all IDCTs are
146 converted */
147static void j_rev_dct_ARM_put(uint8_t *dest, int line_size, DCTELEM *block)
148{
149 j_rev_dct_ARM (block);
150 ff_put_pixels_clamped(block, dest, line_size);
151}
152static void j_rev_dct_ARM_add(uint8_t *dest, int line_size, DCTELEM *block)
153{
154 j_rev_dct_ARM (block);
155 ff_add_pixels_clamped(block, dest, line_size);
156}
157static void simple_idct_ARM_put(uint8_t *dest, int line_size, DCTELEM *block)
158{
159 simple_idct_ARM (block);
160 ff_put_pixels_clamped(block, dest, line_size);
161}
162static void simple_idct_ARM_add(uint8_t *dest, int line_size, DCTELEM *block)
163{
164 simple_idct_ARM (block);
165 ff_add_pixels_clamped(block, dest, line_size);
166}
167static void simple_idct_ipp(DCTELEM *block)
168{
169#ifdef HAVE_IPP
170 ippiDCT8x8Inv_Video_16s_C1I(block);
171#endif
172}
173static void simple_idct_ipp_put(uint8_t *dest, int line_size, DCTELEM *block)
174{
175#ifdef HAVE_IPP
176 ippiDCT8x8Inv_Video_16s8u_C1R(block, dest, line_size);
177#endif
178}
179
180void add_pixels_clamped_iwmmxt(const DCTELEM *block, uint8_t *pixels, int line_size);
181
182static void simple_idct_ipp_add(uint8_t *dest, int line_size, DCTELEM *block)
183{
184#ifdef HAVE_IPP
185 ippiDCT8x8Inv_Video_16s_C1I(block);
186#ifdef HAVE_IWMMXT
187 add_pixels_clamped_iwmmxt(block, dest, line_size);
188#else
189 add_pixels_clamped_ARM(block, dest, line_size);
190#endif
191#endif
192}
193
194void dsputil_init_armv4l(DSPContext* c, AVCodecContext *avctx)
195{
196 const int idct_algo= avctx->idct_algo;
197
198 ff_put_pixels_clamped = c->put_pixels_clamped;
199 ff_add_pixels_clamped = c->add_pixels_clamped;
200
201#ifdef HAVE_IPP
202 if(idct_algo==FF_IDCT_ARM){
203#else
204 if(idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_ARM){
205#endif
206 c->idct_put= j_rev_dct_ARM_put;
207 c->idct_add= j_rev_dct_ARM_add;
208 c->idct = j_rev_dct_ARM;
209 c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;/* FF_NO_IDCT_PERM */
210 } else if (idct_algo==FF_IDCT_SIMPLEARM){
211 c->idct_put= simple_idct_ARM_put;
212 c->idct_add= simple_idct_ARM_add;
213 c->idct = simple_idct_ARM;
214 c->idct_permutation_type= FF_NO_IDCT_PERM;
215#ifdef HAVE_IPP
216 } else if (idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_IPP){
217#else
218 } else if (idct_algo==FF_IDCT_IPP){
219#endif
220 c->idct_put= simple_idct_ipp_put;
221 c->idct_add= simple_idct_ipp_add;
222 c->idct = simple_idct_ipp;
223 c->idct_permutation_type= FF_NO_IDCT_PERM;
224 }
225
226/* c->put_pixels_tab[0][0] = put_pixels16_arm; */ // NG!
227 c->put_pixels_tab[0][1] = put_pixels16_x2_arm; //OK!
228 c->put_pixels_tab[0][2] = put_pixels16_y2_arm; //OK!
229/* c->put_pixels_tab[0][3] = put_pixels16_xy2_arm; /\* NG *\/ */
230/* c->put_no_rnd_pixels_tab[0][0] = put_pixels16_arm; // ?(»È¤ï¤ì¤Ê¤¤) */
231 c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_arm; // OK
232 c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_arm; //OK
233/* c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy2_arm; //NG */
234 c->put_pixels_tab[1][0] = put_pixels8_arm; //OK
235 c->put_pixels_tab[1][1] = put_pixels8_x2_arm; //OK
236/* c->put_pixels_tab[1][2] = put_pixels8_y2_arm; //NG */
237/* c->put_pixels_tab[1][3] = put_pixels8_xy2_arm; //NG */
238 c->put_no_rnd_pixels_tab[1][0] = put_pixels8_arm;//OK
239 c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels8_x2_arm; //OK
240 c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y2_arm; //OK
241/* c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy2_arm;//NG */
242
243#ifdef HAVE_IWMMXT
244 dsputil_init_iwmmxt(c, avctx);
245#endif
246}
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