/*
* Copyright (C) 2004 the ffmpeg project
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* idct_constants[44..47] = 8
*/
static uint16_t idct_constants[(4 + 7 + 1) * 4];
-static uint16_t idct_cosine_table[7] = {
+static const uint16_t idct_cosine_table[7] = {
64277, 60547, 54491, 46341, 36410, 25080, 12785
};
I(1) = d1 c1 b1 a1
I(2) = d2 c2 b2 a2
I(3) = d3 c3 b3 a3
-
+
J(4) = h0 g0 f0 e0
J(5) = h1 g1 f1 e1
J(6) = h2 g2 f2 e2
movq_r2m(r2, *I(2)); \
}
-void vp3_dsp_init_mmx(void)
+void ff_vp3_dsp_init_mmx(void)
{
int j = 16;
uint16_t *p;
- do {
- idct_constants[--j] = 0;
- } while (j);
-
- idct_constants[0] = idct_constants[5] =
- idct_constants[10] = idct_constants[15] = 65535;
-
j = 1;
do {
p = idct_constants + ((j + 3) << 2);
idct_constants[46] = idct_constants[47] = IdctAdjustBeforeShift;
}
-void vp3_idct_mmx(int16_t *input_data, int16_t *dequant_matrix,
- int coeff_count, int16_t *output_data)
+void ff_vp3_idct_mmx(int16_t *output_data)
{
/* eax = quantized input
* ebx = dequantizer matrix
* r0..r7 = mm0..mm7
*/
-#define M(x) (idct_constants + x * 4)
#define C(x) (idct_constants + 16 + (x - 1) * 4)
#define Eight (idct_constants + 44)
- unsigned char *input_bytes = (unsigned char *)input_data;
- unsigned char *dequant_matrix_bytes = (unsigned char *)dequant_matrix;
- unsigned char *output_data_bytes = (unsigned char *)output_data;
-
- movq_m2r(*(input_bytes), r0);
- pmullw_m2r(*(dequant_matrix_bytes), r0); /* r0 = 03 02 01 00 */
- movq_m2r(*(input_bytes+16), r1);
- pmullw_m2r(*(dequant_matrix_bytes+16), r1); /* r1 = 13 12 11 10 */
- movq_m2r(*M(0), r2); /* r2 = __ __ __ FF */
- movq_r2r(r0, r3); /* r3 = 03 02 01 00 */
- movq_m2r(*(input_bytes+8), r4);
- psrlq_i2r(16, r0); /* r0 = __ 03 02 01 */
- pmullw_m2r(*(dequant_matrix_bytes+8), r4); /* r4 = 07 06 05 04 */
- pand_r2r(r2, r3); /* r3 = __ __ __ 00 */
- movq_r2r(r0, r5); /* r5 = __ 03 02 01 */
- movq_r2r(r1, r6); /* r6 = 13 12 11 10 */
- pand_r2r(r2, r5); /* r5 = __ __ __ 01 */
- psllq_i2r(32, r6); /* r6 = 11 10 __ __ */
- movq_m2r(*M(3), r7); /* r7 = FF __ __ __ */
- pxor_r2r(r5, r0); /* r0 = __ 03 02 __ */
- pand_r2r(r6, r7); /* r7 = 11 __ __ __ */
- por_r2r(r3, r0); /* r0 = __ 03 02 00 */
- pxor_r2r(r7, r6); /* r6 = __ 10 __ __ */
- por_r2r(r7, r0); /* r0 = 11 03 02 00 = R0 */
- movq_m2r(*M(3), r7); /* r7 = FF __ __ __ */
- movq_r2r(r4, r3); /* r3 = 07 06 05 04 */
- movq_r2m(r0, *(output_data_bytes)); /* write R0 = r0 */
- pand_r2r(r2, r3); /* r3 = __ __ __ 04 */
- movq_m2r(*(input_bytes+32), r0);
- psllq_i2r(16, r3); /* r3 = __ __ 04 __ */
- pmullw_m2r(*(dequant_matrix_bytes+32), r0); /* r0 = 23 22 21 20 */
- pand_r2r(r1, r7); /* r7 = 13 __ __ __ */
- por_r2r(r3, r5); /* r5 = __ __ 04 01 */
- por_r2r(r6, r7); /* r7 = 13 10 __ __ */
- movq_m2r(*(input_bytes+24), r3);
- por_r2r(r5, r7); /* r7 = 13 10 04 01 = R1 */
- pmullw_m2r(*(dequant_matrix_bytes+24), r3); /* r3 = 17 16 15 14 */
- psrlq_i2r(16, r4); /* r4 = __ 07 06 05 */
- movq_r2m(r7, *(output_data_bytes+16)); /* write R1 = r7 */
- movq_r2r(r4, r5); /* r5 = __ 07 06 05 */
- movq_r2r(r0, r7); /* r7 = 23 22 21 20 */
- psrlq_i2r(16, r4); /* r4 = __ __ 07 06 */
- psrlq_i2r(48, r7); /* r7 = __ __ __ 23 */
- movq_r2r(r2, r6); /* r6 = __ __ __ FF */
- pand_r2r(r2, r5); /* r5 = __ __ __ 05 */
- pand_r2r(r4, r6); /* r6 = __ __ __ 06 */
- movq_r2m(r7, *(output_data_bytes+80)); /* partial R9 = __ __ __ 23 */
- pxor_r2r(r6, r4); /* r4 = __ __ 07 __ */
- psrlq_i2r(32, r1); /* r1 = __ __ 13 12 */
- por_r2r(r5, r4); /* r4 = __ __ 07 05 */
- movq_m2r(*M(3), r7); /* r7 = FF __ __ __ */
- pand_r2r(r2, r1); /* r1 = __ __ __ 12 */
- movq_m2r(*(input_bytes+48), r5);
- psllq_i2r(16, r0); /* r0 = 22 21 20 __ */
- pmullw_m2r(*(dequant_matrix_bytes+48), r5); /* r5 = 33 32 31 30 */
- pand_r2r(r0, r7); /* r7 = 22 __ __ __ */
- movq_r2m(r1, *(output_data_bytes+64)); /* partial R8 = __ __ __ 12 */
- por_r2r(r4, r7); /* r7 = 22 __ 07 05 */
- movq_r2r(r3, r4); /* r4 = 17 16 15 14 */
- pand_r2r(r2, r3); /* r3 = __ __ __ 14 */
- movq_m2r(*M(2), r1); /* r1 = __ FF __ __ */
- psllq_i2r(32, r3); /* r3 = __ 14 __ __ */
- por_r2r(r3, r7); /* r7 = 22 14 07 05 = R2 */
- movq_r2r(r5, r3); /* r3 = 33 32 31 30 */
- psllq_i2r(48, r3); /* r3 = 30 __ __ __ */
- pand_r2r(r0, r1); /* r1 = __ 21 __ __ */
- movq_r2m(r7, *(output_data_bytes+32)); /* write R2 = r7 */
- por_r2r(r3, r6); /* r6 = 30 __ __ 06 */
- movq_m2r(*M(1), r7); /* r7 = __ __ FF __ */
- por_r2r(r1, r6); /* r6 = 30 21 __ 06 */
- movq_m2r(*(input_bytes+56), r1);
- pand_r2r(r4, r7); /* r7 = __ __ 15 __ */
- pmullw_m2r(*(dequant_matrix_bytes+56), r1); /* r1 = 37 36 35 34 */
- por_r2r(r6, r7); /* r7 = 30 21 15 06 = R3 */
- pand_m2r(*M(1), r0); /* r0 = __ __ 20 __ */
- psrlq_i2r(32, r4); /* r4 = __ __ 17 16 */
- movq_r2m(r7, *(output_data_bytes+48)); /* write R3 = r7 */
- movq_r2r(r4, r6); /* r6 = __ __ 17 16 */
- movq_m2r(*M(3), r7); /* r7 = FF __ __ __ */
- pand_r2r(r2, r4); /* r4 = __ __ __ 16 */
- movq_m2r(*M(1), r3); /* r3 = __ __ FF __ */
- pand_r2r(r1, r7); /* r7 = 37 __ __ __ */
- pand_r2r(r5, r3); /* r3 = __ __ 31 __ */
- por_r2r(r4, r0); /* r0 = __ __ 20 16 */
- psllq_i2r(16, r3); /* r3 = __ 31 __ __ */
- por_r2r(r0, r7); /* r7 = 37 __ 20 16 */
- movq_m2r(*M(2), r4); /* r4 = __ FF __ __ */
- por_r2r(r3, r7); /* r7 = 37 31 20 16 = R4 */
- movq_m2r(*(input_bytes+80), r0);
- movq_r2r(r4, r3); /* r3 = __ __ FF __ */
- pmullw_m2r(*(dequant_matrix_bytes+80), r0); /* r0 = 53 52 51 50 */
- pand_r2r(r5, r4); /* r4 = __ 32 __ __ */
- movq_r2m(r7, *(output_data_bytes+8)); /* write R4 = r7 */
- por_r2r(r4, r6); /* r6 = __ 32 17 16 */
- movq_r2r(r3, r4); /* r4 = __ FF __ __ */
- psrlq_i2r(16, r6); /* r6 = __ __ 32 17 */
- movq_r2r(r0, r7); /* r7 = 53 52 51 50 */
- pand_r2r(r1, r4); /* r4 = __ 36 __ __ */
- psllq_i2r(48, r7); /* r7 = 50 __ __ __ */
- por_r2r(r4, r6); /* r6 = __ 36 32 17 */
- movq_m2r(*(input_bytes+88), r4);
- por_r2r(r6, r7); /* r7 = 50 36 32 17 = R5 */
- pmullw_m2r(*(dequant_matrix_bytes+88), r4); /* r4 = 57 56 55 54 */
- psrlq_i2r(16, r3); /* r3 = __ __ FF __ */
- movq_r2m(r7, *(output_data_bytes+24)); /* write R5 = r7 */
- pand_r2r(r1, r3); /* r3 = __ __ 35 __ */
- psrlq_i2r(48, r5); /* r5 = __ __ __ 33 */
- pand_r2r(r2, r1); /* r1 = __ __ __ 34 */
- movq_m2r(*(input_bytes+104), r6);
- por_r2r(r3, r5); /* r5 = __ __ 35 33 */
- pmullw_m2r(*(dequant_matrix_bytes+104), r6); /* r6 = 67 66 65 64 */
- psrlq_i2r(16, r0); /* r0 = __ 53 52 51 */
- movq_r2r(r4, r7); /* r7 = 57 56 55 54 */
- movq_r2r(r2, r3); /* r3 = __ __ __ FF */
- psllq_i2r(48, r7); /* r7 = 54 __ __ __ */
- pand_r2r(r0, r3); /* r3 = __ __ __ 51 */
- pxor_r2r(r3, r0); /* r0 = __ 53 52 __ */
- psllq_i2r(32, r3); /* r3 = __ 51 __ __ */
- por_r2r(r5, r7); /* r7 = 54 __ 35 33 */
- movq_r2r(r6, r5); /* r5 = 67 66 65 64 */
- pand_m2r(*M(1), r6); /* r6 = __ __ 65 __ */
- por_r2r(r3, r7); /* r7 = 54 51 35 33 = R6 */
- psllq_i2r(32, r6); /* r6 = 65 __ __ __ */
- por_r2r(r1, r0); /* r0 = __ 53 52 34 */
- movq_r2m(r7, *(output_data_bytes+40)); /* write R6 = r7 */
- por_r2r(r6, r0); /* r0 = 65 53 52 34 = R7 */
- movq_m2r(*(input_bytes+120), r7);
- movq_r2r(r5, r6); /* r6 = 67 66 65 64 */
- pmullw_m2r(*(dequant_matrix_bytes+120), r7); /* r7 = 77 76 75 74 */
- psrlq_i2r(32, r5); /* r5 = __ __ 67 66 */
- pand_r2r(r2, r6); /* r6 = __ __ __ 64 */
- movq_r2r(r5, r1); /* r1 = __ __ 67 66 */
- movq_r2m(r0, *(output_data_bytes+56)); /* write R7 = r0 */
- pand_r2r(r2, r1); /* r1 = __ __ __ 66 */
- movq_m2r(*(input_bytes+112), r0);
- movq_r2r(r7, r3); /* r3 = 77 76 75 74 */
- pmullw_m2r(*(dequant_matrix_bytes+112), r0); /* r0 = 73 72 71 70 */
- psllq_i2r(16, r3); /* r3 = 76 75 74 __ */
- pand_m2r(*M(3), r7); /* r7 = 77 __ __ __ */
- pxor_r2r(r1, r5); /* r5 = __ __ 67 __ */
- por_r2r(r5, r6); /* r6 = __ __ 67 64 */
- movq_r2r(r3, r5); /* r5 = 76 75 74 __ */
- pand_m2r(*M(3), r5); /* r5 = 76 __ __ __ */
- por_r2r(r1, r7); /* r7 = 77 __ __ 66 */
- movq_m2r(*(input_bytes+96), r1);
- pxor_r2r(r5, r3); /* r3 = __ 75 74 __ */
- pmullw_m2r(*(dequant_matrix_bytes+96), r1); /* r1 = 63 62 61 60 */
- por_r2r(r3, r7); /* r7 = 77 75 74 66 = R15 */
- por_r2r(r5, r6); /* r6 = 76 __ 67 64 */
- movq_r2r(r0, r5); /* r5 = 73 72 71 70 */
- movq_r2m(r7, *(output_data_bytes+120)); /* store R15 = r7 */
- psrlq_i2r(16, r5); /* r5 = __ 73 72 71 */
- pand_m2r(*M(2), r5); /* r5 = __ 73 __ __ */
- movq_r2r(r0, r7); /* r7 = 73 72 71 70 */
- por_r2r(r5, r6); /* r6 = 76 73 67 64 = R14 */
- pand_r2r(r2, r0); /* r0 = __ __ __ 70 */
- pxor_r2r(r0, r7); /* r7 = 73 72 71 __ */
- psllq_i2r(32, r0); /* r0 = __ 70 __ __ */
- movq_r2m(r6, *(output_data_bytes+104)); /* write R14 = r6 */
- psrlq_i2r(16, r4); /* r4 = __ 57 56 55 */
- movq_m2r(*(input_bytes+72), r5);
- psllq_i2r(16, r7); /* r7 = 72 71 __ __ */
- pmullw_m2r(*(dequant_matrix_bytes+72), r5); /* r5 = 47 46 45 44 */
- movq_r2r(r7, r6); /* r6 = 72 71 __ __ */
- movq_m2r(*M(2), r3); /* r3 = __ FF __ __ */
- psllq_i2r(16, r6); /* r6 = 71 __ __ __ */
- pand_m2r(*M(3), r7); /* r7 = 72 __ __ __ */
- pand_r2r(r1, r3); /* r3 = __ 62 __ __ */
- por_r2r(r0, r7); /* r7 = 72 70 __ __ */
- movq_r2r(r1, r0); /* r0 = 63 62 61 60 */
- pand_m2r(*M(3), r1); /* r1 = 63 __ __ __ */
- por_r2r(r3, r6); /* r6 = 71 62 __ __ */
- movq_r2r(r4, r3); /* r3 = __ 57 56 55 */
- psrlq_i2r(32, r1); /* r1 = __ __ 63 __ */
- pand_r2r(r2, r3); /* r3 = __ __ __ 55 */
- por_r2r(r1, r7); /* r7 = 72 70 63 __ */
- por_r2r(r3, r7); /* r7 = 72 70 63 55 = R13 */
- movq_r2r(r4, r3); /* r3 = __ 57 56 55 */
- pand_m2r(*M(1), r3); /* r3 = __ __ 56 __ */
- movq_r2r(r5, r1); /* r1 = 47 46 45 44 */
- movq_r2m(r7, *(output_data_bytes+88)); /* write R13 = r7 */
- psrlq_i2r(48, r5); /* r5 = __ __ __ 47 */
- movq_m2r(*(input_bytes+64), r7);
- por_r2r(r3, r6); /* r6 = 71 62 56 __ */
- pmullw_m2r(*(dequant_matrix_bytes+64), r7); /* r7 = 43 42 41 40 */
- por_r2r(r5, r6); /* r6 = 71 62 56 47 = R12 */
- pand_m2r(*M(2), r4); /* r4 = __ 57 __ __ */
- psllq_i2r(32, r0); /* r0 = 61 60 __ __ */
- movq_r2m(r6, *(output_data_bytes+72)); /* write R12 = r6 */
- movq_r2r(r0, r6); /* r6 = 61 60 __ __ */
- pand_m2r(*M(3), r0); /* r0 = 61 __ __ __ */
- psllq_i2r(16, r6); /* r6 = 60 __ __ __ */
- movq_m2r(*(input_bytes+40), r5);
- movq_r2r(r1, r3); /* r3 = 47 46 45 44 */
- pmullw_m2r(*(dequant_matrix_bytes+40), r5); /* r5 = 27 26 25 24 */
- psrlq_i2r(16, r1); /* r1 = __ 47 46 45 */
- pand_m2r(*M(1), r1); /* r1 = __ __ 46 __ */
- por_r2r(r4, r0); /* r0 = 61 57 __ __ */
- pand_r2r(r7, r2); /* r2 = __ __ __ 40 */
- por_r2r(r1, r0); /* r0 = 61 57 46 __ */
- por_r2r(r2, r0); /* r0 = 61 57 46 40 = R11 */
- psllq_i2r(16, r3); /* r3 = 46 45 44 __ */
- movq_r2r(r3, r4); /* r4 = 46 45 44 __ */
- movq_r2r(r5, r2); /* r2 = 27 26 25 24 */
- movq_r2m(r0, *(output_data_bytes+112)); /* write R11 = r0 */
- psrlq_i2r(48, r2); /* r2 = __ __ __ 27 */
- pand_m2r(*M(2), r4); /* r4 = __ 45 __ __ */
- por_r2r(r2, r6); /* r6 = 60 __ __ 27 */
- movq_m2r(*M(1), r2); /* r2 = __ __ FF __ */
- por_r2r(r4, r6); /* r6 = 60 45 __ 27 */
- pand_r2r(r7, r2); /* r2 = __ __ 41 __ */
- psllq_i2r(32, r3); /* r3 = 44 __ __ __ */
- por_m2r(*(output_data_bytes+80), r3); /* r3 = 44 __ __ 23 */
- por_r2r(r2, r6); /* r6 = 60 45 41 27 = R10 */
- movq_m2r(*M(3), r2); /* r2 = FF __ __ __ */
- psllq_i2r(16, r5); /* r5 = 26 25 24 __ */
- movq_r2m(r6, *(output_data_bytes+96)); /* store R10 = r6 */
- pand_r2r(r5, r2); /* r2 = 26 __ __ __ */
- movq_m2r(*M(2), r6); /* r6 = __ FF __ __ */
- pxor_r2r(r2, r5); /* r5 = __ 25 24 __ */
- pand_r2r(r7, r6); /* r6 = __ 42 __ __ */
- psrlq_i2r(32, r2); /* r2 = __ __ 26 __ */
- pand_m2r(*M(3), r7); /* r7 = 43 __ __ __ */
- por_r2r(r2, r3); /* r3 = 44 __ 26 23 */
- por_m2r(*(output_data_bytes+64), r7); /* r7 = 43 __ __ 12 */
- por_r2r(r3, r6); /* r6 = 44 42 26 23 = R9 */
- por_r2r(r5, r7); /* r7 = 43 25 24 12 = R8 */
- movq_r2m(r6, *(output_data_bytes+80)); /* store R9 = r6 */
- movq_r2m(r7, *(output_data_bytes+64)); /* store R8 = r7 */
-
-
-#undef M
-
/* at this point, function has completed dequantization + dezigzag +
* partial transposition; now do the idct itself */
-
#define I(K) (output_data + K * 8)
#define J(K) (output_data + ((K - 4) * 8) + 4)