#include <config.h>
#endif
-#include <alloca.h>
-
+#include <pulse/timeval.h>
#include <pulsecore/random.h>
#include <pulsecore/macro.h>
#include <pulsecore/g711.h>
#include <pulsecore/core-util.h>
+#include "cpu-x86.h"
+
#include "sample-util.h"
#include "endianmacros.h"
-#if 0
-static void
-pa_volume_u8_sse (uint8_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
-
- for (channel = 0; length; length--) {
- int32_t t, hi, lo;
-
- hi = volumes[channel] >> 16;
- lo = volumes[channel] & 0xFFFF;
-
- t = (int32_t) *samples - 0x80;
- t = ((t * lo) >> 16) + (t * hi);
- t = PA_CLAMP_UNLIKELY(t, -0x80, 0x7F);
- *samples++ = (uint8_t) (t + 0x80);
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-static void
-pa_volume_alaw_sse (uint8_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
-
- for (channel = 0; length; length--) {
- int32_t t, hi, lo;
-
- hi = volumes[channel] >> 16;
- lo = volumes[channel] & 0xFFFF;
-
- t = (int32_t) st_alaw2linear16(*samples);
- t = ((t * lo) >> 16) + (t * hi);
- t = PA_CLAMP_UNLIKELY(t, -0x8000, 0x7FFF);
- *samples++ = (uint8_t) st_13linear2alaw((int16_t) t >> 3);
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-static void
-pa_volume_ulaw_sse (uint8_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
-
- for (channel = 0; length; length--) {
- int32_t t, hi, lo;
-
- hi = volumes[channel] >> 16;
- lo = volumes[channel] & 0xFFFF;
-
- t = (int32_t) st_ulaw2linear16(*samples);
- t = ((t * lo) >> 16) + (t * hi);
- t = PA_CLAMP_UNLIKELY(t, -0x8000, 0x7FFF);
- *samples++ = (uint8_t) st_14linear2ulaw((int16_t) t >> 2);
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-#endif
+#if defined (__i386__) || defined (__amd64__)
#define VOLUME_32x16(s,v) /* .. | vh | vl | */ \
" pxor %%xmm4, %%xmm4 \n\t" /* .. | 0 | 0 | */ \
" psrld $16, "#v" \n\t" /* .. | p0 | 0 | */ \
" pmaddwd %%xmm5, "#v" \n\t" /* .. | p0 * vh | */ \
" paddd "#s", "#v" \n\t" /* .. | p0 * v0 | */ \
- " packssdw "#v", "#v" \n\t" /* .. | p1*v1 | p0*v0 | */
+ " packssdw "#v", "#v" \n\t" /* .. | p1*v1 | p0*v0 | */
#define MOD_ADD(a,b) \
" add "#a", %3 \n\t" /* channel += inc */ \
" mov %3, %4 \n\t" \
" sub "#b", %4 \n\t" /* tmp = channel - channels */ \
- " cmp "#b", %3 \n\t" /* if (channel >= channels) */ \
- " cmovae %4, %3 \n\t" /* channel = tmp */
+ " cmovae %4, %3 \n\t" /* if (tmp >= 0) channel = tmp */
/* swap 16 bits */
#define SWAP_16(s) \
" por %%xmm5, "#s2" \n\t"
static void
-pa_volume_s16ne_sse (int16_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- int64_t channel;
- int64_t temp;
-
- /* the max number of samples we process at a time, this is also the max amount
- * we overread the volume array, which should have enough padding. */
- channels = MAX (8, channels);
-
- __asm__ __volatile__ (
- " xor %3, %3 \n\t"
- " sar $1, %2 \n\t" /* length /= sizeof (int16_t) */
-
- " test $1, %2 \n\t" /* check for odd samples */
- " je 2f \n\t"
-
- " movd (%1, %3, 4), %%xmm0 \n\t" /* | v0h | v0l | */
- " movw (%0), %4 \n\t" /* .. | p0 | */
- " movd %4, %%xmm1 \n\t"
- VOLUME_32x16 (%%xmm1, %%xmm0)
- " movd %%xmm0, %4 \n\t" /* .. | p0*v0 | */
- " movw %4, (%0) \n\t"
- " add $2, %0 \n\t"
- MOD_ADD ($1, %5)
-
- "2: \n\t"
- " sar $1, %2 \n\t" /* prepare for processing 2 samples at a time */
- " test $1, %2 \n\t"
- " je 4f \n\t"
-
- "3: \n\t" /* do samples in groups of 2 */
- " movq (%1, %3, 4), %%xmm0 \n\t" /* | v1h | v1l | v0h | v0l | */
- " movd (%0), %%xmm1 \n\t" /* .. | p1 | p0 | */
- VOLUME_32x16 (%%xmm1, %%xmm0)
- " movd %%xmm0, (%0) \n\t" /* .. | p1*v1 | p0*v0 | */
- " add $4, %0 \n\t"
- MOD_ADD ($2, %5)
-
- "4: \n\t"
- " sar $1, %2 \n\t" /* prepare for processing 4 samples at a time */
- " test $1, %2 \n\t"
- " je 6f \n\t"
-
- "5: \n\t" /* do samples in groups of 4 */
- " movdqu (%1, %3, 4), %%xmm0 \n\t" /* | v3h | v3l .. v0h | v0l | */
- " movq (%0), %%xmm1 \n\t" /* .. | p3 .. p0 | */
- VOLUME_32x16 (%%xmm1, %%xmm0)
- " movq %%xmm0, (%0) \n\t" /* .. | p3*v3 .. p0*v0 | */
- " add $8, %0 \n\t"
- MOD_ADD ($4, %5)
-
- "6: \n\t"
- " sar $1, %2 \n\t" /* prepare for processing 8 samples at a time */
- " cmp $0, %2 \n\t"
- " je 8f \n\t"
-
- "7: \n\t" /* do samples in groups of 8 */
- " movdqu (%1, %3, 4), %%xmm0 \n\t" /* | v3h | v3l .. v0h | v0l | */
- " movdqu 16(%1, %3, 4), %%xmm2 \n\t" /* | v7h | v7l .. v4h | v4l | */
- " movq (%0), %%xmm1 \n\t" /* .. | p3 .. p0 | */
- " movq 8(%0), %%xmm3 \n\t" /* .. | p7 .. p4 | */
- VOLUME_32x16 (%%xmm1, %%xmm0)
- VOLUME_32x16 (%%xmm3, %%xmm2)
- " movq %%xmm0, (%0) \n\t" /* .. | p3*v3 .. p0*v0 | */
- " movq %%xmm2, 8(%0) \n\t" /* .. | p7*v7 .. p4*v4 | */
- " add $16, %0 \n\t"
- MOD_ADD ($8, %5)
- " dec %2 \n\t"
- " jne 7b \n\t"
- "8: \n\t"
-
- : "+r" (samples), "+r" (volumes), "+r" (length), "=D" (channel), "=&r" (temp)
- : "r" ((int64_t)channels)
- : "cc"
- );
-}
-
-static void
-pa_volume_s16re_sse (int16_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- int64_t channel;
- int64_t temp;
-
- /* the max number of samples we process at a time, this is also the max amount
- * we overread the volume array, which should have enough padding. */
- channels = MAX (8, channels);
-
- __asm__ __volatile__ (
- " xor %3, %3 \n\t"
- " sar $1, %2 \n\t" /* length /= sizeof (int16_t) */
-
- " test $1, %2 \n\t" /* check for odd samples */
- " je 2f \n\t"
-
- " movd (%1, %3, 4), %%xmm0 \n\t" /* do odd sample */
- " movw (%0), %4 \n\t"
- " rorw $8, %4 \n\t"
- " movd %4, %%xmm1 \n\t"
- VOLUME_32x16 (%%xmm1, %%xmm0)
- " movd %%xmm0, %4 \n\t"
- " rorw $8, %4 \n\t"
- " movw %4, (%0) \n\t"
- " add $2, %0 \n\t"
- MOD_ADD ($1, %5)
-
- "2: \n\t"
- " sar $1, %2 \n\t" /* prepare for processing 2 samples at a time */
- " test $1, %2 \n\t" /* check for odd samples */
- " je 4f \n\t"
-
- "3: \n\t" /* do samples in pairs of 2 */
- " movq (%1, %3, 4), %%xmm0 \n\t" /* v1_h | v1_l | v0_h | v0_l */
- " movd (%0), %%xmm1 \n\t" /* X | X | p1 | p0 */
- SWAP_16 (%%xmm1)
- VOLUME_32x16 (%%xmm1, %%xmm0)
- SWAP_16 (%%xmm0)
- " movd %%xmm0, (%0) \n\t"
- " add $4, %0 \n\t"
- MOD_ADD ($2, %5)
-
- "4: \n\t"
- " sar $1, %2 \n\t" /* prepare for processing 4 samples at a time */
- " test $1, %2 \n\t" /* check for odd samples */
- " je 6f \n\t"
-
- "5: \n\t" /* do samples in pairs of 4 */
- " movdqu (%1, %3, 4), %%xmm0 \n\t" /* v1_h | v1_l | v0_h | v0_l */
- " movq (%0), %%xmm1 \n\t" /* X | X | p1 | p0 */
- SWAP_16 (%%xmm1)
- VOLUME_32x16 (%%xmm1, %%xmm0)
- SWAP_16 (%%xmm0)
- " movq %%xmm0, (%0) \n\t"
- " add $8, %0 \n\t"
- MOD_ADD ($4, %5)
-
- "6: \n\t"
- " sar $1, %2 \n\t" /* prepare for processing 8 samples at a time */
- " cmp $0, %2 \n\t"
- " je 8f \n\t"
-
- "7: \n\t" /* do samples in pairs of 8 */
- " movdqu (%1, %3, 4), %%xmm0 \n\t" /* v1_h | v1_l | v0_h | v0_l */
- " movdqu 16(%1, %3, 4), %%xmm2 \n\t" /* v3_h | v3_l | v2_h | v2_l */
- " movq (%0), %%xmm1 \n\t" /* X | X | p1 | p0 */
- " movq 8(%0), %%xmm3 \n\t" /* X | X | p3 | p2 */
- SWAP_16_2 (%%xmm1, %%xmm3)
- VOLUME_32x16 (%%xmm1, %%xmm0)
- VOLUME_32x16 (%%xmm3, %%xmm2)
- SWAP_16_2 (%%xmm0, %%xmm2)
- " movq %%xmm0, (%0) \n\t"
- " movq %%xmm2, 8(%0) \n\t"
- " add $16, %0 \n\t"
- MOD_ADD ($8, %5)
- " dec %2 \n\t"
- " jne 7b \n\t"
- "8: \n\t"
-
- : "+r" (samples), "+r" (volumes), "+r" (length), "=D" (channel), "=&r" (temp)
- : "r" ((int64_t)channels)
- : "cc"
- );
-}
-
-#if 0
-static void
-pa_volume_float32ne_sse (float *samples, float *volumes, unsigned channels, unsigned length)
+pa_volume_s16ne_sse2 (int16_t *samples, int32_t *volumes, unsigned channels, unsigned length)
{
- unsigned channel;
-
- length /= sizeof (float);
-
- for (channel = 0; length; length--) {
- *samples++ *= volumes[channel];
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
+ pa_reg_x86 channel, temp;
+
+ /* the max number of samples we process at a time, this is also the max amount
+ * we overread the volume array, which should have enough padding. */
+ channels = PA_MAX (8U, channels);
+
+ __asm__ __volatile__ (
+ " xor %3, %3 \n\t"
+ " sar $1, %2 \n\t" /* length /= sizeof (int16_t) */
+
+ " test $1, %2 \n\t" /* check for odd samples */
+ " je 2f \n\t"
+
+ " movd (%1, %3, 4), %%xmm0 \n\t" /* | v0h | v0l | */
+ " movw (%0), %w4 \n\t" /* .. | p0 | */
+ " movd %4, %%xmm1 \n\t"
+ VOLUME_32x16 (%%xmm1, %%xmm0)
+ " movd %%xmm0, %4 \n\t" /* .. | p0*v0 | */
+ " movw %w4, (%0) \n\t"
+ " add $2, %0 \n\t"
+ MOD_ADD ($1, %5)
+
+ "2: \n\t"
+ " sar $1, %2 \n\t" /* prepare for processing 2 samples at a time */
+ " test $1, %2 \n\t"
+ " je 4f \n\t"
+
+ "3: \n\t" /* do samples in groups of 2 */
+ " movq (%1, %3, 4), %%xmm0 \n\t" /* | v1h | v1l | v0h | v0l | */
+ " movd (%0), %%xmm1 \n\t" /* .. | p1 | p0 | */
+ VOLUME_32x16 (%%xmm1, %%xmm0)
+ " movd %%xmm0, (%0) \n\t" /* .. | p1*v1 | p0*v0 | */
+ " add $4, %0 \n\t"
+ MOD_ADD ($2, %5)
+
+ "4: \n\t"
+ " sar $1, %2 \n\t" /* prepare for processing 4 samples at a time */
+ " test $1, %2 \n\t"
+ " je 6f \n\t"
+
+ /* FIXME, we can do aligned access of the volume values if we can guarantee
+ * that the array is 16 bytes aligned, we probably have to do the odd values
+ * after this then. */
+ "5: \n\t" /* do samples in groups of 4 */
+ " movdqu (%1, %3, 4), %%xmm0 \n\t" /* | v3h | v3l .. v0h | v0l | */
+ " movq (%0), %%xmm1 \n\t" /* .. | p3 .. p0 | */
+ VOLUME_32x16 (%%xmm1, %%xmm0)
+ " movq %%xmm0, (%0) \n\t" /* .. | p3*v3 .. p0*v0 | */
+ " add $8, %0 \n\t"
+ MOD_ADD ($4, %5)
+
+ "6: \n\t"
+ " sar $1, %2 \n\t" /* prepare for processing 8 samples at a time */
+ " cmp $0, %2 \n\t"
+ " je 8f \n\t"
+
+ "7: \n\t" /* do samples in groups of 8 */
+ " movdqu (%1, %3, 4), %%xmm0 \n\t" /* | v3h | v3l .. v0h | v0l | */
+ " movdqu 16(%1, %3, 4), %%xmm2 \n\t" /* | v7h | v7l .. v4h | v4l | */
+ " movq (%0), %%xmm1 \n\t" /* .. | p3 .. p0 | */
+ " movq 8(%0), %%xmm3 \n\t" /* .. | p7 .. p4 | */
+ VOLUME_32x16 (%%xmm1, %%xmm0)
+ VOLUME_32x16 (%%xmm3, %%xmm2)
+ " movq %%xmm0, (%0) \n\t" /* .. | p3*v3 .. p0*v0 | */
+ " movq %%xmm2, 8(%0) \n\t" /* .. | p7*v7 .. p4*v4 | */
+ " add $16, %0 \n\t"
+ MOD_ADD ($8, %5)
+ " dec %2 \n\t"
+ " jne 7b \n\t"
+ "8: \n\t"
+
+ : "+r" (samples), "+r" (volumes), "+r" (length), "=D" (channel), "=&r" (temp)
+ : "r" ((pa_reg_x86)channels)
+ : "cc"
+ );
}
static void
-pa_volume_float32re_sse (float *samples, float *volumes, unsigned channels, unsigned length)
+pa_volume_s16re_sse2 (int16_t *samples, int32_t *volumes, unsigned channels, unsigned length)
{
- unsigned channel;
-
- length /= sizeof (float);
-
- for (channel = 0; length; length--) {
- float t;
-
- t = PA_FLOAT32_SWAP(*samples);
- t *= volumes[channel];
- *samples++ = PA_FLOAT32_SWAP(t);
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
+ pa_reg_x86 channel, temp;
+
+ /* the max number of samples we process at a time, this is also the max amount
+ * we overread the volume array, which should have enough padding. */
+ channels = PA_MAX (8U, channels);
+
+ __asm__ __volatile__ (
+ " xor %3, %3 \n\t"
+ " sar $1, %2 \n\t" /* length /= sizeof (int16_t) */
+
+ " test $1, %2 \n\t" /* check for odd samples */
+ " je 2f \n\t"
+
+ " movd (%1, %3, 4), %%xmm0 \n\t" /* | v0h | v0l | */
+ " movw (%0), %w4 \n\t" /* .. | p0 | */
+ " rorw $8, %w4 \n\t"
+ " movd %4, %%xmm1 \n\t"
+ VOLUME_32x16 (%%xmm1, %%xmm0)
+ " movd %%xmm0, %4 \n\t" /* .. | p0*v0 | */
+ " rorw $8, %w4 \n\t"
+ " movw %w4, (%0) \n\t"
+ " add $2, %0 \n\t"
+ MOD_ADD ($1, %5)
+
+ "2: \n\t"
+ " sar $1, %2 \n\t" /* prepare for processing 2 samples at a time */
+ " test $1, %2 \n\t"
+ " je 4f \n\t"
+
+ "3: \n\t" /* do samples in groups of 2 */
+ " movq (%1, %3, 4), %%xmm0 \n\t" /* | v1h | v1l | v0h | v0l | */
+ " movd (%0), %%xmm1 \n\t" /* .. | p1 | p0 | */
+ SWAP_16 (%%xmm1)
+ VOLUME_32x16 (%%xmm1, %%xmm0)
+ SWAP_16 (%%xmm0)
+ " movd %%xmm0, (%0) \n\t" /* .. | p1*v1 | p0*v0 | */
+ " add $4, %0 \n\t"
+ MOD_ADD ($2, %5)
+
+ "4: \n\t"
+ " sar $1, %2 \n\t" /* prepare for processing 4 samples at a time */
+ " test $1, %2 \n\t"
+ " je 6f \n\t"
+
+ /* FIXME, we can do aligned access of the volume values if we can guarantee
+ * that the array is 16 bytes aligned, we probably have to do the odd values
+ * after this then. */
+ "5: \n\t" /* do samples in groups of 4 */
+ " movdqu (%1, %3, 4), %%xmm0 \n\t" /* | v3h | v3l .. v0h | v0l | */
+ " movq (%0), %%xmm1 \n\t" /* .. | p3 .. p0 | */
+ SWAP_16 (%%xmm1)
+ VOLUME_32x16 (%%xmm1, %%xmm0)
+ SWAP_16 (%%xmm0)
+ " movq %%xmm0, (%0) \n\t" /* .. | p3*v3 .. p0*v0 | */
+ " add $8, %0 \n\t"
+ MOD_ADD ($4, %5)
+
+ "6: \n\t"
+ " sar $1, %2 \n\t" /* prepare for processing 8 samples at a time */
+ " cmp $0, %2 \n\t"
+ " je 8f \n\t"
+
+ "7: \n\t" /* do samples in groups of 8 */
+ " movdqu (%1, %3, 4), %%xmm0 \n\t" /* | v3h | v3l .. v0h | v0l | */
+ " movdqu 16(%1, %3, 4), %%xmm2 \n\t" /* | v7h | v7l .. v4h | v4l | */
+ " movq (%0), %%xmm1 \n\t" /* .. | p3 .. p0 | */
+ " movq 8(%0), %%xmm3 \n\t" /* .. | p7 .. p4 | */
+ SWAP_16_2 (%%xmm1, %%xmm3)
+ VOLUME_32x16 (%%xmm1, %%xmm0)
+ VOLUME_32x16 (%%xmm3, %%xmm2)
+ SWAP_16_2 (%%xmm0, %%xmm2)
+ " movq %%xmm0, (%0) \n\t" /* .. | p3*v3 .. p0*v0 | */
+ " movq %%xmm2, 8(%0) \n\t" /* .. | p7*v7 .. p4*v4 | */
+ " add $16, %0 \n\t"
+ MOD_ADD ($8, %5)
+ " dec %2 \n\t"
+ " jne 7b \n\t"
+ "8: \n\t"
+
+ : "+r" (samples), "+r" (volumes), "+r" (length), "=D" (channel), "=&r" (temp)
+ : "r" ((pa_reg_x86)channels)
+ : "cc"
+ );
}
-static void
-pa_volume_s32ne_sse (int32_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
-
- length /= sizeof (int32_t);
-
- for (channel = 0; length; length--) {
- int64_t t;
-
- t = (int64_t)(*samples);
- t = (t * volumes[channel]) >> 16;
- t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
- *samples++ = (int32_t) t;
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-static void
-pa_volume_s32re_sse (int32_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
-
- length /= sizeof (int32_t);
-
- for (channel = 0; length; length--) {
- int64_t t;
-
- t = (int64_t) PA_INT32_SWAP(*samples);
- t = (t * volumes[channel]) >> 16;
- t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
- *samples++ = PA_INT32_SWAP((int32_t) t);
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-static void
-pa_volume_s24ne_sse (uint8_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
- uint8_t *e;
-
- e = samples + length;
-
- for (channel = 0; samples < e; samples += 3) {
- int64_t t;
-
- t = (int64_t)((int32_t) (PA_READ24NE(samples) << 8));
- t = (t * volumes[channel]) >> 16;
- t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
- PA_WRITE24NE(samples, ((uint32_t) (int32_t) t) >> 8);
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-static void
-pa_volume_s24re_sse (uint8_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
- uint8_t *e;
-
- e = samples + length;
-
- for (channel = 0; samples < e; samples += 3) {
- int64_t t;
-
- t = (int64_t)((int32_t) (PA_READ24RE(samples) << 8));
- t = (t * volumes[channel]) >> 16;
- t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
- PA_WRITE24RE(samples, ((uint32_t) (int32_t) t) >> 8);
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-static void
-pa_volume_s24_32ne_sse (uint32_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
-
- length /= sizeof (uint32_t);
-
- for (channel = 0; length; length--) {
- int64_t t;
-
- t = (int64_t) ((int32_t) (*samples << 8));
- t = (t * volumes[channel]) >> 16;
- t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
- *samples++ = ((uint32_t) ((int32_t) t)) >> 8;
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-static void
-pa_volume_s24_32re_sse (uint32_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
-
- length /= sizeof (uint32_t);
-
- for (channel = 0; length; length--) {
- int64_t t;
-
- t = (int64_t) ((int32_t) (PA_UINT32_SWAP(*samples) << 8));
- t = (t * volumes[channel]) >> 16;
- t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
- *samples++ = PA_UINT32_SWAP(((uint32_t) ((int32_t) t)) >> 8);
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-#endif
-
-#define RUN_TEST
+#undef RUN_TEST
#ifdef RUN_TEST
#define CHANNELS 2
#define PADDING 16
static void run_test (void) {
- int16_t samples[SAMPLES];
- int16_t samples_ref[SAMPLES];
- int16_t samples_orig[SAMPLES];
- int32_t volumes[CHANNELS + PADDING];
- int i, j, padding;
- pa_do_volume_func_t func;
+ int16_t samples[SAMPLES];
+ int16_t samples_ref[SAMPLES];
+ int16_t samples_orig[SAMPLES];
+ int32_t volumes[CHANNELS + PADDING];
+ int i, j, padding;
+ pa_do_volume_func_t func;
+ pa_usec_t start, stop;
- func = pa_get_volume_func (PA_SAMPLE_S16RE);
+ func = pa_get_volume_func (PA_SAMPLE_S16NE);
- printf ("checking SSE %d\n", sizeof (samples));
+ printf ("checking SSE %zd\n", sizeof (samples));
- for (j = 0; j < TIMES; j++) {
pa_random (samples, sizeof (samples));
memcpy (samples_ref, samples, sizeof (samples));
memcpy (samples_orig, samples, sizeof (samples));
for (i = 0; i < CHANNELS; i++)
- volumes[i] = rand() >> 1;
+ volumes[i] = rand() >> 1;
for (padding = 0; padding < PADDING; padding++, i++)
- volumes[i] = volumes[padding];
-
- pa_volume_s16re_sse (samples, volumes, CHANNELS, SAMPLES * sizeof (int16_t));
- func (samples_ref, volumes, CHANNELS, SAMPLES * sizeof (int16_t));
+ volumes[i] = volumes[padding];
+ func (samples_ref, volumes, CHANNELS, sizeof (samples));
+ pa_volume_s16ne_sse (samples, volumes, CHANNELS, sizeof (samples));
for (i = 0; i < SAMPLES; i++) {
- if (samples[i] != samples_ref[i]) {
- printf ("%d: %04x != %04x (%04x * %04x)\n", i, samples[i], samples_ref[i],
- samples_orig[i], volumes[i % CHANNELS]);
- }
+ if (samples[i] != samples_ref[i]) {
+ printf ("%d: %04x != %04x (%04x * %04x)\n", i, samples[i], samples_ref[i],
+ samples_orig[i], volumes[i % CHANNELS]);
+ }
}
- }
+
+ start = pa_rtclock_now();
+ for (j = 0; j < TIMES; j++) {
+ memcpy (samples, samples_orig, sizeof (samples));
+ pa_volume_s16ne_sse (samples, volumes, CHANNELS, sizeof (samples));
+ }
+ stop = pa_rtclock_now();
+ pa_log_info("SSE: %llu usec.", (long long unsigned int)(stop - start));
+
+ start = pa_rtclock_now();
+ for (j = 0; j < TIMES; j++) {
+ memcpy (samples_ref, samples_orig, sizeof (samples));
+ func (samples_ref, volumes, CHANNELS, sizeof (samples));
+ }
+ stop = pa_rtclock_now();
+ pa_log_info("ref: %llu usec.", (long long unsigned int)(stop - start));
}
#endif
+#endif /* defined (__i386__) || defined (__amd64__) */
-void pa_volume_func_init_sse (void) {
- pa_log_info("Initialising SSE optimized functions.");
+void pa_volume_func_init_sse (pa_cpu_x86_flag_t flags) {
+#if defined (__i386__) || defined (__amd64__)
#ifdef RUN_TEST
- run_test ();
+ run_test ();
#endif
- pa_set_volume_func (PA_SAMPLE_S16NE, (pa_do_volume_func_t) pa_volume_s16ne_sse);
- pa_set_volume_func (PA_SAMPLE_S16RE, (pa_do_volume_func_t) pa_volume_s16re_sse);
+ if (flags & PA_CPU_X86_SSE2) {
+ pa_log_info("Initialising SSE2 optimized functions.");
+
+ pa_set_volume_func (PA_SAMPLE_S16NE, (pa_do_volume_func_t) pa_volume_s16ne_sse2);
+ pa_set_volume_func (PA_SAMPLE_S16RE, (pa_do_volume_func_t) pa_volume_s16re_sse2);
+ }
+#endif /* defined (__i386__) || defined (__amd64__) */
}