42 #define MACS(rt, ra, rb) rt+=(ra)*(rb)
43 #define MLSS(rt, ra, rb) rt-=(ra)*(rb)
45 #define SUM8(op, sum, w, p) \
47 op(sum, (w)[0 * 64], (p)[0 * 64]); \
48 op(sum, (w)[1 * 64], (p)[1 * 64]); \
49 op(sum, (w)[2 * 64], (p)[2 * 64]); \
50 op(sum, (w)[3 * 64], (p)[3 * 64]); \
51 op(sum, (w)[4 * 64], (p)[4 * 64]); \
52 op(sum, (w)[5 * 64], (p)[5 * 64]); \
53 op(sum, (w)[6 * 64], (p)[6 * 64]); \
54 op(sum, (w)[7 * 64], (p)[7 * 64]); \
57 static void apply_window(
const float *buf,
const float *win1,
58 const float *win2,
float *sum1,
float *sum2,
int len)
61 const float *win1a = win1+
len;
62 const float *win2a = win2+
len;
63 const float *bufa = buf+
len;
64 float *sum1a = sum1+
len;
65 float *sum2a = sum2+
len;
69 "movaps " #a "(%1,%0), %%xmm1 \n\t" \
70 "movaps " #a "(%3,%0), %%xmm2 \n\t" \
71 "mulps %%xmm2, %%xmm1 \n\t" \
72 "subps %%xmm1, %%xmm0 \n\t" \
73 "mulps " #b "(%2,%0), %%xmm2 \n\t" \
74 "subps %%xmm2, %%xmm4 \n\t" \
78 "xorps %%xmm0, %%xmm0 \n\t"
79 "xorps %%xmm4, %%xmm4 \n\t"
90 "movaps %%xmm0, (%4,%0) \n\t"
91 "movaps %%xmm4, (%5,%0) \n\t"
95 :
"r"(win1a),
"r"(win2a),
"r"(bufa),
"r"(sum1a),
"r"(sum2a)
101 static void apply_window_mp3(
float *in,
float *win,
int *unused,
float *out,
113 "movaps 0(%0), %%xmm0 \n\t" \
114 "movaps 16(%0), %%xmm1 \n\t" \
115 "movaps 32(%0), %%xmm2 \n\t" \
116 "movaps 48(%0), %%xmm3 \n\t" \
117 "movaps %%xmm0, 0(%1) \n\t" \
118 "movaps %%xmm1, 16(%1) \n\t" \
119 "movaps %%xmm2, 32(%1) \n\t" \
120 "movaps %%xmm3, 48(%1) \n\t" \
121 "movaps 64(%0), %%xmm0 \n\t" \
122 "movaps 80(%0), %%xmm1 \n\t" \
123 "movaps 96(%0), %%xmm2 \n\t" \
124 "movaps 112(%0), %%xmm3 \n\t" \
125 "movaps %%xmm0, 64(%1) \n\t" \
126 "movaps %%xmm1, 80(%1) \n\t" \
127 "movaps %%xmm2, 96(%1) \n\t" \
128 "movaps %%xmm3, 112(%1) \n\t"
129 ::
"r"(in),
"r"(in+512)
134 apply_window(in + 32, win + 48, win + 640, sumb, sumd, 16);
136 SUM8(
MACS, suma[0], win + 32, in + 48);
142 #define SUMS(suma, sumb, sumc, sumd, out1, out2) \
143 "movups " #sumd "(%4), %%xmm0 \n\t" \
144 "shufps $0x1b, %%xmm0, %%xmm0 \n\t" \
145 "subps " #suma "(%1), %%xmm0 \n\t" \
146 "movaps %%xmm0," #out1 "(%0) \n\t" \
148 "movups " #sumc "(%3), %%xmm0 \n\t" \
149 "shufps $0x1b, %%xmm0, %%xmm0 \n\t" \
150 "addps " #sumb "(%2), %%xmm0 \n\t" \
151 "movaps %%xmm0," #out2 "(%0) \n\t"
155 SUMS( 0, 48, 4, 52, 0, 112)
156 SUMS(16, 32, 20, 36, 16, 96)
157 SUMS(32, 16, 36, 20, 32, 80)
158 SUMS(48, 0, 52, 4, 48, 64)
161 :"
r"(&suma[0]), "
r"(&sumb[0]), "
r"(&sumc[0]), "
r"(&sumd[0])
167 float *out2 = out + 32 * incr;
172 *out = -suma[ j] + sumd[16-j];
173 *out2 = sumb[16-j] + sumc[ j];
180 SUM8(
MLSS, sum, win + 16 + 32, in + 32);
187 #define DECL_IMDCT_BLOCKS(CPU1, CPU2) \
188 static void imdct36_blocks_ ## CPU1(float *out, float *buf, float *in, \
189 int count, int switch_point, int block_type) \
191 int align_end = count - (count & 3); \
193 for (j = 0; j < align_end; j+= 4) { \
194 LOCAL_ALIGNED_16(float, tmpbuf, [1024]); \
195 float *win = mdct_win_sse[switch_point && j < 4][block_type]; \
199 ff_four_imdct36_float_ ## CPU2(out, buf, in, win, tmpbuf); \
204 for (; j < count; j++) { \
208 int win_idx = (switch_point && j < 2) ? 0 : block_type; \
209 float *win = ff_mdct_win_float[win_idx + (4 & -(j & 1))]; \
211 ff_imdct36_float_ ## CPU1(out, buf, in, win); \
219 DECL_IMDCT_BLOCKS(
sse,
sse)
220 DECL_IMDCT_BLOCKS(sse2,
sse)
221 DECL_IMDCT_BLOCKS(sse3,
sse)
222 DECL_IMDCT_BLOCKS(ssse3,
sse)
223 DECL_IMDCT_BLOCKS(avx,avx)
231 for (j = 0; j < 4; j++) {
232 for (i = 0; i < 40; i ++) {
static void apply_window_mp3(float *in, float *win, int *unused, float *out, int incr)
void(* imdct36_blocks_float)(float *out, float *buf, float *in, int count, int switch_point, int block_type)
void ff_mpadsp_init_x86(MPADSPContext *s)
void ff_imdct36_float_sse3(float *out, float *buf, float *in, float *win)
static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride)
#define EXTERNAL_SSE(flags)
float ff_mdct_win_float[8][MDCT_BUF_SIZE]
void ff_four_imdct36_float_avx(float *out, float *buf, float *in, float *win, float *tmpbuf)
#define EXTERNAL_SSE3(flags)
#define LOCAL_ALIGNED_16(t, v,...)
#define EXTERNAL_SSE2(flags)
void ff_four_imdct36_float_sse(float *out, float *buf, float *in, float *win, float *tmpbuf)
#define SUM8(op, sum, w, p)
static void(*const apply_window[4])(DSPContext *dsp, AVFloatDSPContext *fdsp, SingleChannelElement *sce, const float *audio)
void ff_imdct36_float_sse2(float *out, float *buf, float *in, float *win)
#define EXTERNAL_SSSE3(flags)
void(* apply_window_float)(float *synth_buf, float *window, int *dither_state, float *samples, int incr)
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
#define DECLARE_ALIGNED(n, t, v)
void ff_imdct36_float_sse(float *out, float *buf, float *in, float *win)
void ff_imdct36_float_avx(float *out, float *buf, float *in, float *win)
void ff_imdct36_float_ssse3(float *out, float *buf, float *in, float *win)
#define EXTERNAL_AVX(flags)
static float mdct_win_sse[2][4][4 *40]