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mpv/liba52/liba52_changes.diff
diego f330f720a0 MPlayer-specific changes to liba52 
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@14991 b3059339-0415-0410-9bf9-f77b7e298cf2
2005-03-22 23:25:06 +00:00

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--- include/a52.h 2005-03-22 19:58:53.000000000 +0100
+++ a52.h 2004-03-19 01:15:49.000000000 +0100
@@ -19,6 +25,9 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#ifndef A52_H
+#define A52_H
+
#ifndef LIBA52_DOUBLE
typedef float sample_t;
#else
@@ -113,3 +122,10 @@
void a52_dynrng (a52_state_t * state,
sample_t (* call) (sample_t, void *), void * data);
int a52_block (a52_state_t * state, sample_t * samples);
+
+void* a52_resample_init(uint32_t mm_accel,int flags,int chans);
+extern int (* a52_resample) (float * _f, int16_t * s16);
+
+uint16_t crc16_block(uint8_t *data,uint32_t num_bytes);
+
+#endif /* A52_H */
--- liba52/a52_internal.h 2005-03-22 19:59:35.000000000 +0100
+++ a52_internal.h 2004-03-19 01:15:49.000000000 +0100
@@ -41,11 +43,12 @@
int downmix_init (int input, int flags, sample_t * level,
sample_t clev, sample_t slev);
+void downmix_accel_init(uint32_t mm_accel);
int downmix_coeff (sample_t * coeff, int acmod, int output, sample_t level,
sample_t clev, sample_t slev);
-void downmix (sample_t * samples, int acmod, int output, sample_t bias,
+extern void (*downmix) (sample_t * samples, int acmod, int output, sample_t bias,
sample_t clev, sample_t slev);
-void upmix (sample_t * samples, int acmod, int output);
+extern void (*upmix) (sample_t * samples, int acmod, int output);
void imdct_init (uint32_t mm_accel);
extern void (* imdct_256) (sample_t * data, sample_t * delay, sample_t bias);
--- liba52/bitstream.c 2005-03-22 19:59:35.000000000 +0100
+++ bitstream.c 2004-03-19 01:15:49.000000000 +0100
@@ -29,7 +35,12 @@
#define BUFFER_SIZE 4096
+#ifdef ALT_BITSTREAM_READER
+int indx=0;
+uint32_t * buffer_start;
+#else
static uint32_t * buffer_start;
+#endif
uint32_t bits_left;
uint32_t current_word;
@@ -41,6 +52,9 @@
align = (int)buf & 3;
buffer_start = (uint32_t *) (buf - align);
bits_left = 0;
+#ifdef ALT_BITSTREAM_READER
+ indx=0;
+#endif
bitstream_get (align * 8);
}
--- liba52/bitstream.h 2005-03-22 19:59:35.000000000 +0100
+++ bitstream.h 2004-03-19 01:15:49.000000000 +0100
@@ -19,6 +25,48 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+/* code from ffmpeg/libavcodec */
+#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC_ == 3 && __GNUC_MINOR__ > 0)
+# define always_inline __attribute__((always_inline)) inline
+#else
+# define always_inline inline
+#endif
+
+#if defined(__sparc__) || defined(hpux)
+/*
+ * the alt bitstream reader performs unaligned memory accesses; that doesn't work
+ * on sparc/hpux. For now, disable ALT_BITSTREAM_READER.
+ */
+#undef ALT_BITSTREAM_READER
+#else
+// alternative (faster) bitstram reader (reades upto 3 bytes over the end of the input)
+#define ALT_BITSTREAM_READER
+
+/* used to avoid missaligned exceptions on some archs (alpha, ...) */
+#if defined (ARCH_X86) || defined(ARCH_ARMV4L)
+# define unaligned32(a) (*(uint32_t*)(a))
+#else
+# ifdef __GNUC__
+static always_inline uint32_t unaligned32(const void *v) {
+ struct Unaligned {
+ uint32_t i;
+ } __attribute__((packed));
+
+ return ((const struct Unaligned *) v)->i;
+}
+# elif defined(__DECC)
+static inline uint32_t unaligned32(const void *v) {
+ return *(const __unaligned uint32_t *) v;
+}
+# else
+static inline uint32_t unaligned32(const void *v) {
+ return *(const uint32_t *) v;
+}
+# endif
+#endif //!ARCH_X86
+
+#endif
+
/* (stolen from the kernel) */
#ifdef WORDS_BIGENDIAN
@@ -29,7 +77,7 @@
# if defined (__i386__)
# define swab32(x) __i386_swab32(x)
- static inline const uint32_t __i386_swab32(uint32_t x)
+ static always_inline const uint32_t __i386_swab32(uint32_t x)
{
__asm__("bswap %0" : "=r" (x) : "0" (x));
return x;
@@ -37,25 +85,42 @@
# else
-# define swab32(x)\
-((((uint8_t*)&x)[0] << 24) | (((uint8_t*)&x)[1] << 16) | \
- (((uint8_t*)&x)[2] << 8) | (((uint8_t*)&x)[3]))
-
+# define swab32(x) __generic_swab32(x)
+ static always_inline const uint32_t __generic_swab32(uint32_t x)
+ {
+ return ((((uint8_t*)&x)[0] << 24) | (((uint8_t*)&x)[1] << 16) |
+ (((uint8_t*)&x)[2] << 8) | (((uint8_t*)&x)[3]));
+ }
# endif
#endif
+#ifdef ALT_BITSTREAM_READER
+extern uint32_t *buffer_start;
+extern int indx;
+#else
extern uint32_t bits_left;
extern uint32_t current_word;
+#endif
void bitstream_set_ptr (uint8_t * buf);
uint32_t bitstream_get_bh(uint32_t num_bits);
int32_t bitstream_get_bh_2(uint32_t num_bits);
+
static inline uint32_t
-bitstream_get(uint32_t num_bits)
+bitstream_get(uint32_t num_bits) // note num_bits is practically a constant due to inlineing
{
+#ifdef ALT_BITSTREAM_READER
+ uint32_t result= swab32( unaligned32(((uint8_t *)buffer_start)+(indx>>3)) );
+
+ result<<= (indx&0x07);
+ result>>= 32 - num_bits;
+ indx+= num_bits;
+
+ return result;
+#else
uint32_t result;
-
+
if(num_bits < bits_left) {
result = (current_word << (32 - bits_left)) >> (32 - num_bits);
bits_left -= num_bits;
@@ -63,11 +128,30 @@
}
return bitstream_get_bh(num_bits);
+#endif
+}
+
+static inline void bitstream_skip(int num_bits)
+{
+#ifdef ALT_BITSTREAM_READER
+ indx+= num_bits;
+#else
+ bitstream_get(num_bits);
+#endif
}
static inline int32_t
bitstream_get_2(uint32_t num_bits)
{
+#ifdef ALT_BITSTREAM_READER
+ int32_t result= swab32( unaligned32(((uint8_t *)buffer_start)+(indx>>3)) );
+
+ result<<= (indx&0x07);
+ result>>= 32 - num_bits;
+ indx+= num_bits;
+
+ return result;
+#else
int32_t result;
if(num_bits < bits_left) {
@@ -77,4 +161,5 @@
}
return bitstream_get_bh_2(num_bits);
+#endif
}
--- liba52/downmix.c 2005-03-22 19:59:35.000000000 +0100
+++ downmix.c 2004-04-12 18:42:14.000000000 +0200
@@ -17,18 +23,46 @@
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * SSE optimizations from Michael Niedermayer (michaelni@gmx.at)
*/
#include "config.h"
-#include <inttypes.h>
#include <string.h>
+#include <inttypes.h>
#include "a52.h"
#include "a52_internal.h"
+#include "mm_accel.h"
#define CONVERT(acmod,output) (((output) << 3) + (acmod))
+
+void (*downmix)(sample_t * samples, int acmod, int output, sample_t bias,
+ sample_t clev, sample_t slev)= NULL;
+void (*upmix)(sample_t * samples, int acmod, int output)= NULL;
+
+static void downmix_SSE (sample_t * samples, int acmod, int output, sample_t bias,
+ sample_t clev, sample_t slev);
+static void downmix_3dnow (sample_t * samples, int acmod, int output, sample_t bias,
+ sample_t clev, sample_t slev);
+static void downmix_C (sample_t * samples, int acmod, int output, sample_t bias,
+ sample_t clev, sample_t slev);
+static void upmix_MMX (sample_t * samples, int acmod, int output);
+static void upmix_C (sample_t * samples, int acmod, int output);
+
+void downmix_accel_init(uint32_t mm_accel)
+{
+ upmix= upmix_C;
+ downmix= downmix_C;
+#ifdef ARCH_X86
+ if(mm_accel & MM_ACCEL_X86_MMX) upmix= upmix_MMX;
+ if(mm_accel & MM_ACCEL_X86_SSE) downmix= downmix_SSE;
+ if(mm_accel & MM_ACCEL_X86_3DNOW) downmix= downmix_3dnow;
+#endif
+}
+
int downmix_init (int input, int flags, sample_t * level,
sample_t clev, sample_t slev)
{
@@ -61,7 +95,7 @@
output = flags & A52_CHANNEL_MASK;
if (output > A52_DOLBY)
return -1;
-
+
output = table[output][input & 7];
if ((output == A52_STEREO) &&
@@ -145,7 +179,6 @@
*level *= 1 / (1 + 3 * LEVEL_3DB);
break;
}
-
return output;
}
@@ -440,12 +473,11 @@
static void zero (sample_t * samples)
{
int i;
-
for (i = 0; i < 256; i++)
samples[i] = 0;
}
-void downmix (sample_t * samples, int acmod, int output, sample_t bias,
+static void downmix_C (sample_t * samples, int acmod, int output, sample_t bias,
sample_t clev, sample_t slev)
{
switch (CONVERT (acmod, output & A52_CHANNEL_MASK)) {
@@ -557,7 +589,7 @@
break;
case CONVERT (A52_3F2R, A52_2F1R):
- mix3to2 (samples, bias);
+ mix3to2 (samples, bias); //FIXME possible bug? (output doesnt seem to be used)
move2to1 (samples + 768, samples + 512, bias);
break;
@@ -581,12 +613,12 @@
break;
case CONVERT (A52_3F1R, A52_3F2R):
- memcpy (samples + 1027, samples + 768, 256 * sizeof (sample_t));
+ memcpy (samples + 1024, samples + 768, 256 * sizeof (sample_t));
break;
}
}
-void upmix (sample_t * samples, int acmod, int output)
+static void upmix_C (sample_t * samples, int acmod, int output)
{
switch (CONVERT (acmod, output & A52_CHANNEL_MASK)) {
@@ -651,3 +683,1137 @@
goto mix_31to21;
}
}
+
+#ifdef ARCH_X86
+static void mix2to1_SSE (sample_t * dest, sample_t * src, sample_t bias)
+{
+ asm volatile(
+ "movlps %2, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movaps (%0, %%esi), %%xmm0 \n\t"
+ "movaps 16(%0, %%esi), %%xmm1 \n\t"
+ "addps (%1, %%esi), %%xmm0 \n\t"
+ "addps 16(%1, %%esi), %%xmm1 \n\t"
+ "addps %%xmm7, %%xmm0 \n\t"
+ "addps %%xmm7, %%xmm1 \n\t"
+ "movaps %%xmm0, (%1, %%esi) \n\t"
+ "movaps %%xmm1, 16(%1, %%esi) \n\t"
+ "addl $32, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (src+256), "r" (dest+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix3to1_SSE (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movaps (%0, %%esi), %%xmm0 \n\t"
+ "movaps 1024(%0, %%esi), %%xmm1 \n\t"
+ "addps 2048(%0, %%esi), %%xmm0 \n\t"
+ "addps %%xmm7, %%xmm1 \n\t"
+ "addps %%xmm1, %%xmm0 \n\t"
+ "movaps %%xmm0, (%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix4to1_SSE (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movaps (%0, %%esi), %%xmm0 \n\t"
+ "movaps 1024(%0, %%esi), %%xmm1 \n\t"
+ "addps 2048(%0, %%esi), %%xmm0 \n\t"
+ "addps 3072(%0, %%esi), %%xmm1 \n\t"
+ "addps %%xmm7, %%xmm0 \n\t"
+ "addps %%xmm1, %%xmm0 \n\t"
+ "movaps %%xmm0, (%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix5to1_SSE (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movaps (%0, %%esi), %%xmm0 \n\t"
+ "movaps 1024(%0, %%esi), %%xmm1 \n\t"
+ "addps 2048(%0, %%esi), %%xmm0 \n\t"
+ "addps 3072(%0, %%esi), %%xmm1 \n\t"
+ "addps %%xmm7, %%xmm0 \n\t"
+ "addps 4096(%0, %%esi), %%xmm1 \n\t"
+ "addps %%xmm1, %%xmm0 \n\t"
+ "movaps %%xmm0, (%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix3to2_SSE (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movaps 1024(%0, %%esi), %%xmm0 \n\t"
+ "addps %%xmm7, %%xmm0 \n\t" //common
+ "movaps (%0, %%esi), %%xmm1 \n\t"
+ "movaps 2048(%0, %%esi), %%xmm2 \n\t"
+ "addps %%xmm0, %%xmm1 \n\t"
+ "addps %%xmm0, %%xmm2 \n\t"
+ "movaps %%xmm1, (%0, %%esi) \n\t"
+ "movaps %%xmm2, 1024(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix21to2_SSE (sample_t * left, sample_t * right, sample_t bias)
+{
+ asm volatile(
+ "movlps %2, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movaps 1024(%1, %%esi), %%xmm0 \n\t"
+ "addps %%xmm7, %%xmm0 \n\t" //common
+ "movaps (%0, %%esi), %%xmm1 \n\t"
+ "movaps (%1, %%esi), %%xmm2 \n\t"
+ "addps %%xmm0, %%xmm1 \n\t"
+ "addps %%xmm0, %%xmm2 \n\t"
+ "movaps %%xmm1, (%0, %%esi) \n\t"
+ "movaps %%xmm2, (%1, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (left+256), "r" (right+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix21toS_SSE (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movaps 2048(%0, %%esi), %%xmm0 \n\t" // surround
+ "movaps (%0, %%esi), %%xmm1 \n\t"
+ "movaps 1024(%0, %%esi), %%xmm2 \n\t"
+ "addps %%xmm7, %%xmm1 \n\t"
+ "addps %%xmm7, %%xmm2 \n\t"
+ "subps %%xmm0, %%xmm1 \n\t"
+ "addps %%xmm0, %%xmm2 \n\t"
+ "movaps %%xmm1, (%0, %%esi) \n\t"
+ "movaps %%xmm2, 1024(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix31to2_SSE (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movaps 1024(%0, %%esi), %%xmm0 \n\t"
+ "addps 3072(%0, %%esi), %%xmm0 \n\t"
+ "addps %%xmm7, %%xmm0 \n\t" // common
+ "movaps (%0, %%esi), %%xmm1 \n\t"
+ "movaps 2048(%0, %%esi), %%xmm2 \n\t"
+ "addps %%xmm0, %%xmm1 \n\t"
+ "addps %%xmm0, %%xmm2 \n\t"
+ "movaps %%xmm1, (%0, %%esi) \n\t"
+ "movaps %%xmm2, 1024(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix31toS_SSE (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movaps 1024(%0, %%esi), %%xmm0 \n\t"
+ "movaps 3072(%0, %%esi), %%xmm3 \n\t" // surround
+ "addps %%xmm7, %%xmm0 \n\t" // common
+ "movaps (%0, %%esi), %%xmm1 \n\t"
+ "movaps 2048(%0, %%esi), %%xmm2 \n\t"
+ "addps %%xmm0, %%xmm1 \n\t"
+ "addps %%xmm0, %%xmm2 \n\t"
+ "subps %%xmm3, %%xmm1 \n\t"
+ "addps %%xmm3, %%xmm2 \n\t"
+ "movaps %%xmm1, (%0, %%esi) \n\t"
+ "movaps %%xmm2, 1024(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix22toS_SSE (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movaps 2048(%0, %%esi), %%xmm0 \n\t"
+ "addps 3072(%0, %%esi), %%xmm0 \n\t" // surround
+ "movaps (%0, %%esi), %%xmm1 \n\t"
+ "movaps 1024(%0, %%esi), %%xmm2 \n\t"
+ "addps %%xmm7, %%xmm1 \n\t"
+ "addps %%xmm7, %%xmm2 \n\t"
+ "subps %%xmm0, %%xmm1 \n\t"
+ "addps %%xmm0, %%xmm2 \n\t"
+ "movaps %%xmm1, (%0, %%esi) \n\t"
+ "movaps %%xmm2, 1024(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix32to2_SSE (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movaps 1024(%0, %%esi), %%xmm0 \n\t"
+ "addps %%xmm7, %%xmm0 \n\t" // common
+ "movaps %%xmm0, %%xmm1 \n\t" // common
+ "addps (%0, %%esi), %%xmm0 \n\t"
+ "addps 2048(%0, %%esi), %%xmm1 \n\t"
+ "addps 3072(%0, %%esi), %%xmm0 \n\t"
+ "addps 4096(%0, %%esi), %%xmm1 \n\t"
+ "movaps %%xmm0, (%0, %%esi) \n\t"
+ "movaps %%xmm1, 1024(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix32toS_SSE (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movaps 1024(%0, %%esi), %%xmm0 \n\t"
+ "movaps 3072(%0, %%esi), %%xmm2 \n\t"
+ "addps %%xmm7, %%xmm0 \n\t" // common
+ "addps 4096(%0, %%esi), %%xmm2 \n\t" // surround
+ "movaps (%0, %%esi), %%xmm1 \n\t"
+ "movaps 2048(%0, %%esi), %%xmm3 \n\t"
+ "subps %%xmm2, %%xmm1 \n\t"
+ "addps %%xmm2, %%xmm3 \n\t"
+ "addps %%xmm0, %%xmm1 \n\t"
+ "addps %%xmm0, %%xmm3 \n\t"
+ "movaps %%xmm1, (%0, %%esi) \n\t"
+ "movaps %%xmm3, 1024(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void move2to1_SSE (sample_t * src, sample_t * dest, sample_t bias)
+{
+ asm volatile(
+ "movlps %2, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movaps (%0, %%esi), %%xmm0 \n\t"
+ "movaps 16(%0, %%esi), %%xmm1 \n\t"
+ "addps 1024(%0, %%esi), %%xmm0 \n\t"
+ "addps 1040(%0, %%esi), %%xmm1 \n\t"
+ "addps %%xmm7, %%xmm0 \n\t"
+ "addps %%xmm7, %%xmm1 \n\t"
+ "movaps %%xmm0, (%1, %%esi) \n\t"
+ "movaps %%xmm1, 16(%1, %%esi) \n\t"
+ "addl $32, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (src+256), "r" (dest+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void zero_MMX(sample_t * samples)
+{
+ asm volatile(
+ "movl $-1024, %%esi \n\t"
+ "pxor %%mm0, %%mm0 \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movq %%mm0, (%0, %%esi) \n\t"
+ "movq %%mm0, 8(%0, %%esi) \n\t"
+ "movq %%mm0, 16(%0, %%esi) \n\t"
+ "movq %%mm0, 24(%0, %%esi) \n\t"
+ "addl $32, %%esi \n\t"
+ " jnz 1b \n\t"
+ "emms"
+ :: "r" (samples+256)
+ : "%esi"
+ );
+}
+
+/*
+ I hope dest and src will be at least 8 byte aligned and size
+ will devide on 8 without remain
+ Note: untested and unused.
+*/
+static void copy_MMX(void *dest,const void *src,unsigned size)
+{
+ unsigned i;
+ size /= 64;
+ for(i=0;i<size;i++)
+ {
+ __asm __volatile(
+ "movq %0, %%mm0\n\t"
+ "movq 8%0, %%mm1\n\t"
+ "movq 16%0, %%mm2\n\t"
+ "movq 24%0, %%mm3\n\t"
+ "movq 32%0, %%mm4\n\t"
+ "movq 40%0, %%mm5\n\t"
+ "movq 48%0, %%mm6\n\t"
+ "movq 56%0, %%mm7\n\t"
+ "movq %%mm0, %1\n\t"
+ "movq %%mm1, 8%1\n\t"
+ "movq %%mm2, 16%1\n\t"
+ "movq %%mm3, 24%1\n\t"
+ "movq %%mm4, 32%1\n\t"
+ "movq %%mm5, 40%1\n\t"
+ "movq %%mm6, 48%1\n\t"
+ "movq %%mm7, 56%1\n\t"
+ :
+ :"m"(src),"m"(dest));
+ }
+}
+
+static void downmix_SSE (sample_t * samples, int acmod, int output, sample_t bias,
+ sample_t clev, sample_t slev)
+{
+ switch (CONVERT (acmod, output & A52_CHANNEL_MASK)) {
+
+ case CONVERT (A52_CHANNEL, A52_CHANNEL2):
+ memcpy (samples, samples + 256, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_CHANNEL, A52_MONO):
+ case CONVERT (A52_STEREO, A52_MONO):
+ mix_2to1_SSE:
+ mix2to1_SSE (samples, samples + 256, bias);
+ break;
+
+ case CONVERT (A52_2F1R, A52_MONO):
+ if (slev == 0)
+ goto mix_2to1_SSE;
+ case CONVERT (A52_3F, A52_MONO):
+ mix_3to1_SSE:
+ mix3to1_SSE (samples, bias);
+ break;
+
+ case CONVERT (A52_3F1R, A52_MONO):
+ if (slev == 0)
+ goto mix_3to1_SSE;
+ case CONVERT (A52_2F2R, A52_MONO):
+ if (slev == 0)
+ goto mix_2to1_SSE;
+ mix4to1_SSE (samples, bias);
+ break;
+
+ case CONVERT (A52_3F2R, A52_MONO):
+ if (slev == 0)
+ goto mix_3to1_SSE;
+ mix5to1_SSE (samples, bias);
+ break;
+
+ case CONVERT (A52_MONO, A52_DOLBY):
+ memcpy (samples + 256, samples, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_3F, A52_STEREO):
+ case CONVERT (A52_3F, A52_DOLBY):
+ mix_3to2_SSE:
+ mix3to2_SSE (samples, bias);
+ break;
+
+ case CONVERT (A52_2F1R, A52_STEREO):
+ if (slev == 0)
+ break;
+ mix21to2_SSE (samples, samples + 256, bias);
+ break;
+
+ case CONVERT (A52_2F1R, A52_DOLBY):
+ mix21toS_SSE (samples, bias);
+ break;
+
+ case CONVERT (A52_3F1R, A52_STEREO):
+ if (slev == 0)
+ goto mix_3to2_SSE;
+ mix31to2_SSE (samples, bias);
+ break;
+
+ case CONVERT (A52_3F1R, A52_DOLBY):
+ mix31toS_SSE (samples, bias);
+ break;
+
+ case CONVERT (A52_2F2R, A52_STEREO):
+ if (slev == 0)
+ break;
+ mix2to1_SSE (samples, samples + 512, bias);
+ mix2to1_SSE (samples + 256, samples + 768, bias);
+ break;
+
+ case CONVERT (A52_2F2R, A52_DOLBY):
+ mix22toS_SSE (samples, bias);
+ break;
+
+ case CONVERT (A52_3F2R, A52_STEREO):
+ if (slev == 0)
+ goto mix_3to2_SSE;
+ mix32to2_SSE (samples, bias);
+ break;
+
+ case CONVERT (A52_3F2R, A52_DOLBY):
+ mix32toS_SSE (samples, bias);
+ break;
+
+ case CONVERT (A52_3F1R, A52_3F):
+ if (slev == 0)
+ break;
+ mix21to2_SSE (samples, samples + 512, bias);
+ break;
+
+ case CONVERT (A52_3F2R, A52_3F):
+ if (slev == 0)
+ break;
+ mix2to1_SSE (samples, samples + 768, bias);
+ mix2to1_SSE (samples + 512, samples + 1024, bias);
+ break;
+
+ case CONVERT (A52_3F1R, A52_2F1R):
+ mix3to2_SSE (samples, bias);
+ memcpy (samples + 512, samples + 768, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_2F2R, A52_2F1R):
+ mix2to1_SSE (samples + 512, samples + 768, bias);
+ break;
+
+ case CONVERT (A52_3F2R, A52_2F1R):
+ mix3to2_SSE (samples, bias); //FIXME possible bug? (output doesnt seem to be used)
+ move2to1_SSE (samples + 768, samples + 512, bias);
+ break;
+
+ case CONVERT (A52_3F2R, A52_3F1R):
+ mix2to1_SSE (samples + 768, samples + 1024, bias);
+ break;
+
+ case CONVERT (A52_2F1R, A52_2F2R):
+ memcpy (samples + 768, samples + 512, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_3F1R, A52_2F2R):
+ mix3to2_SSE (samples, bias);
+ memcpy (samples + 512, samples + 768, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_3F2R, A52_2F2R):
+ mix3to2_SSE (samples, bias);
+ memcpy (samples + 512, samples + 768, 256 * sizeof (sample_t));
+ memcpy (samples + 768, samples + 1024, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_3F1R, A52_3F2R):
+ memcpy (samples + 1024, samples + 768, 256 * sizeof (sample_t));
+ break;
+ }
+}
+
+static void upmix_MMX (sample_t * samples, int acmod, int output)
+{
+ switch (CONVERT (acmod, output & A52_CHANNEL_MASK)) {
+
+ case CONVERT (A52_CHANNEL, A52_CHANNEL2):
+ memcpy (samples + 256, samples, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_3F2R, A52_MONO):
+ zero_MMX (samples + 1024);
+ case CONVERT (A52_3F1R, A52_MONO):
+ case CONVERT (A52_2F2R, A52_MONO):
+ zero_MMX (samples + 768);
+ case CONVERT (A52_3F, A52_MONO):
+ case CONVERT (A52_2F1R, A52_MONO):
+ zero_MMX (samples + 512);
+ case CONVERT (A52_CHANNEL, A52_MONO):
+ case CONVERT (A52_STEREO, A52_MONO):
+ zero_MMX (samples + 256);
+ break;
+
+ case CONVERT (A52_3F2R, A52_STEREO):
+ case CONVERT (A52_3F2R, A52_DOLBY):
+ zero_MMX (samples + 1024);
+ case CONVERT (A52_3F1R, A52_STEREO):
+ case CONVERT (A52_3F1R, A52_DOLBY):
+ zero_MMX (samples + 768);
+ case CONVERT (A52_3F, A52_STEREO):
+ case CONVERT (A52_3F, A52_DOLBY):
+ mix_3to2_MMX:
+ memcpy (samples + 512, samples + 256, 256 * sizeof (sample_t));
+ zero_MMX (samples + 256);
+ break;
+
+ case CONVERT (A52_2F2R, A52_STEREO):
+ case CONVERT (A52_2F2R, A52_DOLBY):
+ zero_MMX (samples + 768);
+ case CONVERT (A52_2F1R, A52_STEREO):
+ case CONVERT (A52_2F1R, A52_DOLBY):
+ zero_MMX (samples + 512);
+ break;
+
+ case CONVERT (A52_3F2R, A52_3F):
+ zero_MMX (samples + 1024);
+ case CONVERT (A52_3F1R, A52_3F):
+ case CONVERT (A52_2F2R, A52_2F1R):
+ zero_MMX (samples + 768);
+ break;
+
+ case CONVERT (A52_3F2R, A52_3F1R):
+ zero_MMX (samples + 1024);
+ break;
+
+ case CONVERT (A52_3F2R, A52_2F1R):
+ zero_MMX (samples + 1024);
+ case CONVERT (A52_3F1R, A52_2F1R):
+ mix_31to21_MMX:
+ memcpy (samples + 768, samples + 512, 256 * sizeof (sample_t));
+ goto mix_3to2_MMX;
+
+ case CONVERT (A52_3F2R, A52_2F2R):
+ memcpy (samples + 1024, samples + 768, 256 * sizeof (sample_t));
+ goto mix_31to21_MMX;
+ }
+}
+
+static void mix2to1_3dnow (sample_t * dest, sample_t * src, sample_t bias)
+{
+ asm volatile(
+ "movd %2, %%mm7 \n\t"
+ "punpckldq %2, %%mm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movq (%0, %%esi), %%mm0 \n\t"
+ "movq 8(%0, %%esi), %%mm1 \n\t"
+ "movq 16(%0, %%esi), %%mm2 \n\t"
+ "movq 24(%0, %%esi), %%mm3 \n\t"
+ "pfadd (%1, %%esi), %%mm0 \n\t"
+ "pfadd 8(%1, %%esi), %%mm1 \n\t"
+ "pfadd 16(%1, %%esi), %%mm2 \n\t"
+ "pfadd 24(%1, %%esi), %%mm3 \n\t"
+ "pfadd %%mm7, %%mm0 \n\t"
+ "pfadd %%mm7, %%mm1 \n\t"
+ "pfadd %%mm7, %%mm2 \n\t"
+ "pfadd %%mm7, %%mm3 \n\t"
+ "movq %%mm0, (%1, %%esi) \n\t"
+ "movq %%mm1, 8(%1, %%esi) \n\t"
+ "movq %%mm2, 16(%1, %%esi) \n\t"
+ "movq %%mm3, 24(%1, %%esi) \n\t"
+ "addl $32, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (src+256), "r" (dest+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix3to1_3dnow (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movq (%0, %%esi), %%mm0 \n\t"
+ "movq 8(%0, %%esi), %%mm1 \n\t"
+ "movq 1024(%0, %%esi), %%mm2 \n\t"
+ "movq 1032(%0, %%esi), %%mm3 \n\t"
+ "pfadd 2048(%0, %%esi), %%mm0 \n\t"
+ "pfadd 2056(%0, %%esi), %%mm1 \n\t"
+ "pfadd %%mm7, %%mm0 \n\t"
+ "pfadd %%mm7, %%mm1 \n\t"
+ "pfadd %%mm2, %%mm0 \n\t"
+ "pfadd %%mm3, %%mm1 \n\t"
+ "movq %%mm0, (%0, %%esi) \n\t"
+ "movq %%mm1, 8(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix4to1_3dnow (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movq (%0, %%esi), %%mm0 \n\t"
+ "movq 8(%0, %%esi), %%mm1 \n\t"
+ "movq 1024(%0, %%esi), %%mm2 \n\t"
+ "movq 1032(%0, %%esi), %%mm3 \n\t"
+ "pfadd 2048(%0, %%esi), %%mm0 \n\t"
+ "pfadd 2056(%0, %%esi), %%mm1 \n\t"
+ "pfadd 3072(%0, %%esi), %%mm2 \n\t"
+ "pfadd 3080(%0, %%esi), %%mm3 \n\t"
+ "pfadd %%mm7, %%mm0 \n\t"
+ "pfadd %%mm7, %%mm1 \n\t"
+ "pfadd %%mm2, %%mm0 \n\t"
+ "pfadd %%mm3, %%mm1 \n\t"
+ "movq %%mm0, (%0, %%esi) \n\t"
+ "movq %%mm1, 8(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix5to1_3dnow (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movq (%0, %%esi), %%mm0 \n\t"
+ "movq 8(%0, %%esi), %%mm1 \n\t"
+ "movq 1024(%0, %%esi), %%mm2 \n\t"
+ "movq 1032(%0, %%esi), %%mm3 \n\t"
+ "pfadd 2048(%0, %%esi), %%mm0 \n\t"
+ "pfadd 2056(%0, %%esi), %%mm1 \n\t"
+ "pfadd 3072(%0, %%esi), %%mm2 \n\t"
+ "pfadd 3080(%0, %%esi), %%mm3 \n\t"
+ "pfadd %%mm7, %%mm0 \n\t"
+ "pfadd %%mm7, %%mm1 \n\t"
+ "pfadd 4096(%0, %%esi), %%mm2 \n\t"
+ "pfadd 4104(%0, %%esi), %%mm3 \n\t"
+ "pfadd %%mm2, %%mm0 \n\t"
+ "pfadd %%mm3, %%mm1 \n\t"
+ "movq %%mm0, (%0, %%esi) \n\t"
+ "movq %%mm1, 8(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix3to2_3dnow (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movq 1024(%0, %%esi), %%mm0 \n\t"
+ "movq 1032(%0, %%esi), %%mm1 \n\t"
+ "pfadd %%mm7, %%mm0 \n\t" //common
+ "pfadd %%mm7, %%mm1 \n\t" //common
+ "movq (%0, %%esi), %%mm2 \n\t"
+ "movq 8(%0, %%esi), %%mm3 \n\t"
+ "movq 2048(%0, %%esi), %%mm4 \n\t"
+ "movq 2056(%0, %%esi), %%mm5 \n\t"
+ "pfadd %%mm0, %%mm2 \n\t"
+ "pfadd %%mm1, %%mm3 \n\t"
+ "pfadd %%mm0, %%mm4 \n\t"
+ "pfadd %%mm1, %%mm5 \n\t"
+ "movq %%mm2, (%0, %%esi) \n\t"
+ "movq %%mm3, 8(%0, %%esi) \n\t"
+ "movq %%mm4, 1024(%0, %%esi) \n\t"
+ "movq %%mm5, 1032(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix21to2_3dnow (sample_t * left, sample_t * right, sample_t bias)
+{
+ asm volatile(
+ "movd %2, %%mm7 \n\t"
+ "punpckldq %2, %%mm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movq 1024(%1, %%esi), %%mm0 \n\t"
+ "movq 1032(%1, %%esi), %%mm1 \n\t"
+ "pfadd %%mm7, %%mm0 \n\t" //common
+ "pfadd %%mm7, %%mm1 \n\t" //common
+ "movq (%0, %%esi), %%mm2 \n\t"
+ "movq 8(%0, %%esi), %%mm3 \n\t"
+ "movq (%1, %%esi), %%mm4 \n\t"
+ "movq 8(%1, %%esi), %%mm5 \n\t"
+ "pfadd %%mm0, %%mm2 \n\t"
+ "pfadd %%mm1, %%mm3 \n\t"
+ "pfadd %%mm0, %%mm4 \n\t"
+ "pfadd %%mm1, %%mm5 \n\t"
+ "movq %%mm2, (%0, %%esi) \n\t"
+ "movq %%mm3, 8(%0, %%esi) \n\t"
+ "movq %%mm4, (%1, %%esi) \n\t"
+ "movq %%mm5, 8(%1, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (left+256), "r" (right+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix21toS_3dnow (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movq 2048(%0, %%esi), %%mm0 \n\t" // surround
+ "movq 2056(%0, %%esi), %%mm1 \n\t" // surround
+ "movq (%0, %%esi), %%mm2 \n\t"
+ "movq 8(%0, %%esi), %%mm3 \n\t"
+ "movq 1024(%0, %%esi), %%mm4 \n\t"
+ "movq 1032(%0, %%esi), %%mm5 \n\t"
+ "pfadd %%mm7, %%mm2 \n\t"
+ "pfadd %%mm7, %%mm3 \n\t"
+ "pfadd %%mm7, %%mm4 \n\t"
+ "pfadd %%mm7, %%mm5 \n\t"
+ "pfsub %%mm0, %%mm2 \n\t"
+ "pfsub %%mm1, %%mm3 \n\t"
+ "pfadd %%mm0, %%mm4 \n\t"
+ "pfadd %%mm1, %%mm5 \n\t"
+ "movq %%mm2, (%0, %%esi) \n\t"
+ "movq %%mm3, 8(%0, %%esi) \n\t"
+ "movq %%mm4, 1024(%0, %%esi) \n\t"
+ "movq %%mm5, 1032(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix31to2_3dnow (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movq 1024(%0, %%esi), %%mm0 \n\t"
+ "movq 1032(%0, %%esi), %%mm1 \n\t"
+ "pfadd 3072(%0, %%esi), %%mm0 \n\t"
+ "pfadd 3080(%0, %%esi), %%mm1 \n\t"
+ "pfadd %%mm7, %%mm0 \n\t" // common
+ "pfadd %%mm7, %%mm1 \n\t" // common
+ "movq (%0, %%esi), %%mm2 \n\t"
+ "movq 8(%0, %%esi), %%mm3 \n\t"
+ "movq 2048(%0, %%esi), %%mm4 \n\t"
+ "movq 2056(%0, %%esi), %%mm5 \n\t"
+ "pfadd %%mm0, %%mm2 \n\t"
+ "pfadd %%mm1, %%mm3 \n\t"
+ "pfadd %%mm0, %%mm4 \n\t"
+ "pfadd %%mm1, %%mm5 \n\t"
+ "movq %%mm2, (%0, %%esi) \n\t"
+ "movq %%mm3, 8(%0, %%esi) \n\t"
+ "movq %%mm4, 1024(%0, %%esi) \n\t"
+ "movq %%mm5, 1032(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix31toS_3dnow (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movq 1024(%0, %%esi), %%mm0 \n\t"
+ "movq 1032(%0, %%esi), %%mm1 \n\t"
+ "pfadd %%mm7, %%mm0 \n\t" // common
+ "pfadd %%mm7, %%mm1 \n\t" // common
+ "movq (%0, %%esi), %%mm2 \n\t"
+ "movq 8(%0, %%esi), %%mm3 \n\t"
+ "movq 2048(%0, %%esi), %%mm4 \n\t"
+ "movq 2056(%0, %%esi), %%mm5 \n\t"
+ "pfadd %%mm0, %%mm2 \n\t"
+ "pfadd %%mm1, %%mm3 \n\t"
+ "pfadd %%mm0, %%mm4 \n\t"
+ "pfadd %%mm1, %%mm5 \n\t"
+ "movq 3072(%0, %%esi), %%mm0 \n\t" // surround
+ "movq 3080(%0, %%esi), %%mm1 \n\t" // surround
+ "pfsub %%mm0, %%mm2 \n\t"
+ "pfsub %%mm1, %%mm3 \n\t"
+ "pfadd %%mm0, %%mm4 \n\t"
+ "pfadd %%mm1, %%mm5 \n\t"
+ "movq %%mm2, (%0, %%esi) \n\t"
+ "movq %%mm3, 8(%0, %%esi) \n\t"
+ "movq %%mm4, 1024(%0, %%esi) \n\t"
+ "movq %%mm5, 1032(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix22toS_3dnow (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movq 2048(%0, %%esi), %%mm0 \n\t"
+ "movq 2056(%0, %%esi), %%mm1 \n\t"
+ "pfadd 3072(%0, %%esi), %%mm0 \n\t" // surround
+ "pfadd 3080(%0, %%esi), %%mm1 \n\t" // surround
+ "movq (%0, %%esi), %%mm2 \n\t"
+ "movq 8(%0, %%esi), %%mm3 \n\t"
+ "movq 1024(%0, %%esi), %%mm4 \n\t"
+ "movq 1032(%0, %%esi), %%mm5 \n\t"
+ "pfadd %%mm7, %%mm2 \n\t"
+ "pfadd %%mm7, %%mm3 \n\t"
+ "pfadd %%mm7, %%mm4 \n\t"
+ "pfadd %%mm7, %%mm5 \n\t"
+ "pfsub %%mm0, %%mm2 \n\t"
+ "pfsub %%mm1, %%mm3 \n\t"
+ "pfadd %%mm0, %%mm4 \n\t"
+ "pfadd %%mm1, %%mm5 \n\t"
+ "movq %%mm2, (%0, %%esi) \n\t"
+ "movq %%mm3, 8(%0, %%esi) \n\t"
+ "movq %%mm4, 1024(%0, %%esi) \n\t"
+ "movq %%mm5, 1032(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void mix32to2_3dnow (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movq 1024(%0, %%esi), %%mm0 \n\t"
+ "movq 1032(%0, %%esi), %%mm1 \n\t"
+ "pfadd %%mm7, %%mm0 \n\t" // common
+ "pfadd %%mm7, %%mm1 \n\t" // common
+ "movq %%mm0, %%mm2 \n\t" // common
+ "movq %%mm1, %%mm3 \n\t" // common
+ "pfadd (%0, %%esi), %%mm0 \n\t"
+ "pfadd 8(%0, %%esi), %%mm1 \n\t"
+ "pfadd 2048(%0, %%esi), %%mm2 \n\t"
+ "pfadd 2056(%0, %%esi), %%mm3 \n\t"
+ "pfadd 3072(%0, %%esi), %%mm0 \n\t"
+ "pfadd 3080(%0, %%esi), %%mm1 \n\t"
+ "pfadd 4096(%0, %%esi), %%mm2 \n\t"
+ "pfadd 4104(%0, %%esi), %%mm3 \n\t"
+ "movq %%mm0, (%0, %%esi) \n\t"
+ "movq %%mm1, 8(%0, %%esi) \n\t"
+ "movq %%mm2, 1024(%0, %%esi) \n\t"
+ "movq %%mm3, 1032(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+/* todo: should be optimized better */
+static void mix32toS_3dnow (sample_t * samples, sample_t bias)
+{
+ asm volatile(
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "movq 1024(%0, %%esi), %%mm0 \n\t"
+ "movq 1032(%0, %%esi), %%mm1 \n\t"
+ "movq 3072(%0, %%esi), %%mm4 \n\t"
+ "movq 3080(%0, %%esi), %%mm5 \n\t"
+ "pfadd %%mm7, %%mm0 \n\t" // common
+ "pfadd %%mm7, %%mm1 \n\t" // common
+ "pfadd 4096(%0, %%esi), %%mm4 \n\t" // surround
+ "pfadd 4104(%0, %%esi), %%mm5 \n\t" // surround
+ "movq (%0, %%esi), %%mm2 \n\t"
+ "movq 8(%0, %%esi), %%mm3 \n\t"
+ "movq 2048(%0, %%esi), %%mm6 \n\t"
+ "movq 2056(%0, %%esi), %%mm7 \n\t"
+ "pfsub %%mm4, %%mm2 \n\t"
+ "pfsub %%mm5, %%mm3 \n\t"
+ "pfadd %%mm4, %%mm6 \n\t"
+ "pfadd %%mm5, %%mm7 \n\t"
+ "pfadd %%mm0, %%mm2 \n\t"
+ "pfadd %%mm1, %%mm3 \n\t"
+ "pfadd %%mm0, %%mm6 \n\t"
+ "pfadd %%mm1, %%mm7 \n\t"
+ "movq %%mm2, (%0, %%esi) \n\t"
+ "movq %%mm3, 8(%0, %%esi) \n\t"
+ "movq %%mm6, 1024(%0, %%esi) \n\t"
+ "movq %%mm7, 1032(%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void move2to1_3dnow (sample_t * src, sample_t * dest, sample_t bias)
+{
+ asm volatile(
+ "movd %2, %%mm7 \n\t"
+ "punpckldq %2, %%mm7 \n\t"
+ "movl $-1024, %%esi \n\t"
+ ".balign 16\n\t"
+ "1: \n\t"
+ "movq (%0, %%esi), %%mm0 \n\t"
+ "movq 8(%0, %%esi), %%mm1 \n\t"
+ "movq 16(%0, %%esi), %%mm2 \n\t"
+ "movq 24(%0, %%esi), %%mm3 \n\t"
+ "pfadd 1024(%0, %%esi), %%mm0 \n\t"
+ "pfadd 1032(%0, %%esi), %%mm1 \n\t"
+ "pfadd 1040(%0, %%esi), %%mm2 \n\t"
+ "pfadd 1048(%0, %%esi), %%mm3 \n\t"
+ "pfadd %%mm7, %%mm0 \n\t"
+ "pfadd %%mm7, %%mm1 \n\t"
+ "pfadd %%mm7, %%mm2 \n\t"
+ "pfadd %%mm7, %%mm3 \n\t"
+ "movq %%mm0, (%1, %%esi) \n\t"
+ "movq %%mm1, 8(%1, %%esi) \n\t"
+ "movq %%mm2, 16(%1, %%esi) \n\t"
+ "movq %%mm3, 24(%1, %%esi) \n\t"
+ "addl $32, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (src+256), "r" (dest+256), "m" (bias)
+ : "%esi"
+ );
+}
+
+static void downmix_3dnow (sample_t * samples, int acmod, int output, sample_t bias,
+ sample_t clev, sample_t slev)
+{
+ switch (CONVERT (acmod, output & A52_CHANNEL_MASK)) {
+
+ case CONVERT (A52_CHANNEL, A52_CHANNEL2):
+ memcpy (samples, samples + 256, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_CHANNEL, A52_MONO):
+ case CONVERT (A52_STEREO, A52_MONO):
+ mix_2to1_3dnow:
+ mix2to1_3dnow (samples, samples + 256, bias);
+ break;
+
+ case CONVERT (A52_2F1R, A52_MONO):
+ if (slev == 0)
+ goto mix_2to1_3dnow;
+ case CONVERT (A52_3F, A52_MONO):
+ mix_3to1_3dnow:
+ mix3to1_3dnow (samples, bias);
+ break;
+
+ case CONVERT (A52_3F1R, A52_MONO):
+ if (slev == 0)
+ goto mix_3to1_3dnow;
+ case CONVERT (A52_2F2R, A52_MONO):
+ if (slev == 0)
+ goto mix_2to1_3dnow;
+ mix4to1_3dnow (samples, bias);
+ break;
+
+ case CONVERT (A52_3F2R, A52_MONO):
+ if (slev == 0)
+ goto mix_3to1_3dnow;
+ mix5to1_3dnow (samples, bias);
+ break;
+
+ case CONVERT (A52_MONO, A52_DOLBY):
+ memcpy (samples + 256, samples, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_3F, A52_STEREO):
+ case CONVERT (A52_3F, A52_DOLBY):
+ mix_3to2_3dnow:
+ mix3to2_3dnow (samples, bias);
+ break;
+
+ case CONVERT (A52_2F1R, A52_STEREO):
+ if (slev == 0)
+ break;
+ mix21to2_3dnow (samples, samples + 256, bias);
+ break;
+
+ case CONVERT (A52_2F1R, A52_DOLBY):
+ mix21toS_3dnow (samples, bias);
+ break;
+
+ case CONVERT (A52_3F1R, A52_STEREO):
+ if (slev == 0)
+ goto mix_3to2_3dnow;
+ mix31to2_3dnow (samples, bias);
+ break;
+
+ case CONVERT (A52_3F1R, A52_DOLBY):
+ mix31toS_3dnow (samples, bias);
+ break;
+
+ case CONVERT (A52_2F2R, A52_STEREO):
+ if (slev == 0)
+ break;
+ mix2to1_3dnow (samples, samples + 512, bias);
+ mix2to1_3dnow (samples + 256, samples + 768, bias);
+ break;
+
+ case CONVERT (A52_2F2R, A52_DOLBY):
+ mix22toS_3dnow (samples, bias);
+ break;
+
+ case CONVERT (A52_3F2R, A52_STEREO):
+ if (slev == 0)
+ goto mix_3to2_3dnow;
+ mix32to2_3dnow (samples, bias);
+ break;
+
+ case CONVERT (A52_3F2R, A52_DOLBY):
+ mix32toS_3dnow (samples, bias);
+ break;
+
+ case CONVERT (A52_3F1R, A52_3F):
+ if (slev == 0)
+ break;
+ mix21to2_3dnow (samples, samples + 512, bias);
+ break;
+
+ case CONVERT (A52_3F2R, A52_3F):
+ if (slev == 0)
+ break;
+ mix2to1_3dnow (samples, samples + 768, bias);
+ mix2to1_3dnow (samples + 512, samples + 1024, bias);
+ break;
+
+ case CONVERT (A52_3F1R, A52_2F1R):
+ mix3to2_3dnow (samples, bias);
+ memcpy (samples + 512, samples + 768, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_2F2R, A52_2F1R):
+ mix2to1_3dnow (samples + 512, samples + 768, bias);
+ break;
+
+ case CONVERT (A52_3F2R, A52_2F1R):
+ mix3to2_3dnow (samples, bias); //FIXME possible bug? (output doesnt seem to be used)
+ move2to1_3dnow (samples + 768, samples + 512, bias);
+ break;
+
+ case CONVERT (A52_3F2R, A52_3F1R):
+ mix2to1_3dnow (samples + 768, samples + 1024, bias);
+ break;
+
+ case CONVERT (A52_2F1R, A52_2F2R):
+ memcpy (samples + 768, samples + 512, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_3F1R, A52_2F2R):
+ mix3to2_3dnow (samples, bias);
+ memcpy (samples + 512, samples + 768, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_3F2R, A52_2F2R):
+ mix3to2_3dnow (samples, bias);
+ memcpy (samples + 512, samples + 768, 256 * sizeof (sample_t));
+ memcpy (samples + 768, samples + 1024, 256 * sizeof (sample_t));
+ break;
+
+ case CONVERT (A52_3F1R, A52_3F2R):
+ memcpy (samples + 1024, samples + 768, 256 * sizeof (sample_t));
+ break;
+ }
+ __asm __volatile("femms":::"memory");
+}
+
+#endif //ARCH_X86
--- liba52/imdct.c 2005-03-22 19:59:35.000000000 +0100
+++ imdct.c 2004-04-26 22:00:57.000000000 +0200
@@ -17,17 +23,32 @@
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * SSE optimizations from Michael Niedermayer (michaelni@gmx.at)
+ * 3DNOW optimizations from Nick Kurshev <nickols_k@mail.ru>
+ * michael did port them from libac3 (untested, perhaps totally broken)
+ * AltiVec optimizations from Romain Dolbeau (romain@dolbeau.org)
*/
#include "config.h"
-#include <inttypes.h>
#include <math.h>
#include <stdio.h>
+#ifndef M_PI
+#define M_PI 3.1415926535897932384626433832795029
+#endif
+#include <inttypes.h>
#include "a52.h"
#include "a52_internal.h"
#include "mm_accel.h"
+#include "mangle.h"
+
+#ifdef RUNTIME_CPUDETECT
+#undef HAVE_3DNOWEX
+#endif
+
+#define USE_AC3_C
void (* imdct_256) (sample_t data[], sample_t delay[], sample_t bias);
void (* imdct_512) (sample_t data[], sample_t delay[], sample_t bias);
@@ -37,9 +58,22 @@
sample_t imag;
} complex_t;
+static void fft_128p(complex_t *a);
+
+static const int pm128[128] attribute_used __attribute__((aligned(16))) =
+{
+ 0, 16, 32, 48, 64, 80, 96, 112, 8, 40, 72, 104, 24, 56, 88, 120,
+ 4, 20, 36, 52, 68, 84, 100, 116, 12, 28, 44, 60, 76, 92, 108, 124,
+ 2, 18, 34, 50, 66, 82, 98, 114, 10, 42, 74, 106, 26, 58, 90, 122,
+ 6, 22, 38, 54, 70, 86, 102, 118, 14, 46, 78, 110, 30, 62, 94, 126,
+ 1, 17, 33, 49, 65, 81, 97, 113, 9, 41, 73, 105, 25, 57, 89, 121,
+ 5, 21, 37, 53, 69, 85, 101, 117, 13, 29, 45, 61, 77, 93, 109, 125,
+ 3, 19, 35, 51, 67, 83, 99, 115, 11, 43, 75, 107, 27, 59, 91, 123,
+ 7, 23, 39, 55, 71, 87, 103, 119, 15, 31, 47, 63, 79, 95, 111, 127
+};
/* 128 point bit-reverse LUT */
-static uint8_t bit_reverse_512[] = {
+static uint8_t attribute_used bit_reverse_512[] = {
0x00, 0x40, 0x20, 0x60, 0x10, 0x50, 0x30, 0x70,
0x08, 0x48, 0x28, 0x68, 0x18, 0x58, 0x38, 0x78,
0x04, 0x44, 0x24, 0x64, 0x14, 0x54, 0x34, 0x74,
@@ -67,23 +101,42 @@
0x03, 0x23, 0x13, 0x33, 0x0b, 0x2b, 0x1b, 0x3b,
0x07, 0x27, 0x17, 0x37, 0x0f, 0x2f, 0x1f, 0x3f};
-static complex_t buf[128];
+#ifdef ARCH_X86
+// NOTE: SSE needs 16byte alignment or it will segfault
+//
+static complex_t __attribute__((aligned(16))) buf[128];
+static float __attribute__((aligned(16))) sseSinCos1c[256];
+static float __attribute__((aligned(16))) sseSinCos1d[256];
+static float attribute_used __attribute__((aligned(16))) ps111_1[4]={1,1,1,-1};
+//static float __attribute__((aligned(16))) sseW0[4];
+static float __attribute__((aligned(16))) sseW1[8];
+static float __attribute__((aligned(16))) sseW2[16];
+static float __attribute__((aligned(16))) sseW3[32];
+static float __attribute__((aligned(16))) sseW4[64];
+static float __attribute__((aligned(16))) sseW5[128];
+static float __attribute__((aligned(16))) sseW6[256];
+static float __attribute__((aligned(16))) *sseW[7]=
+ {NULL /*sseW0*/,sseW1,sseW2,sseW3,sseW4,sseW5,sseW6};
+static float __attribute__((aligned(16))) sseWindow[512];
+#else
+static complex_t __attribute__((aligned(16))) buf[128];
+#endif
/* Twiddle factor LUT */
-static complex_t w_1[1];
-static complex_t w_2[2];
-static complex_t w_4[4];
-static complex_t w_8[8];
-static complex_t w_16[16];
-static complex_t w_32[32];
-static complex_t w_64[64];
-static complex_t * w[7] = {w_1, w_2, w_4, w_8, w_16, w_32, w_64};
+static complex_t __attribute__((aligned(16))) w_1[1];
+static complex_t __attribute__((aligned(16))) w_2[2];
+static complex_t __attribute__((aligned(16))) w_4[4];
+static complex_t __attribute__((aligned(16))) w_8[8];
+static complex_t __attribute__((aligned(16))) w_16[16];
+static complex_t __attribute__((aligned(16))) w_32[32];
+static complex_t __attribute__((aligned(16))) w_64[64];
+static complex_t __attribute__((aligned(16))) * w[7] = {w_1, w_2, w_4, w_8, w_16, w_32, w_64};
/* Twiddle factors for IMDCT */
-static sample_t xcos1[128];
-static sample_t xsin1[128];
-static sample_t xcos2[64];
-static sample_t xsin2[64];
+static sample_t __attribute__((aligned(16))) xcos1[128];
+static sample_t __attribute__((aligned(16))) xsin1[128];
+static sample_t __attribute__((aligned(16))) xcos2[64];
+static sample_t __attribute__((aligned(16))) xsin2[64];
/* Windowing function for Modified DCT - Thank you acroread */
sample_t imdct_window[] = {
@@ -145,16 +198,19 @@
void
imdct_do_512(sample_t data[],sample_t delay[], sample_t bias)
{
- int i,k;
+ int i;
+#ifndef USE_AC3_C
+ int k;
int p,q;
int m;
int two_m;
int two_m_plus_one;
- sample_t tmp_a_i;
- sample_t tmp_a_r;
sample_t tmp_b_i;
sample_t tmp_b_r;
+#endif
+ sample_t tmp_a_i;
+ sample_t tmp_a_r;
sample_t *data_ptr;
sample_t *delay_ptr;
@@ -162,22 +218,21 @@
/* 512 IMDCT with source and dest data in 'data' */
- /* Pre IFFT complex multiply plus IFFT cmplx conjugate */
+ /* Pre IFFT complex multiply plus IFFT cmplx conjugate & reordering*/
for( i=0; i < 128; i++) {
/* z[i] = (X[256-2*i-1] + j * X[2*i]) * (xcos1[i] + j * xsin1[i]) ; */
- buf[i].real = (data[256-2*i-1] * xcos1[i]) - (data[2*i] * xsin1[i]);
- buf[i].imag = -1.0 * ((data[2*i] * xcos1[i]) + (data[256-2*i-1] * xsin1[i]));
- }
-
- /* Bit reversed shuffling */
- for(i=0; i<128; i++) {
- k = bit_reverse_512[i];
- if (k < i)
- swap_cmplx(&buf[i],&buf[k]);
+#ifdef USE_AC3_C
+ int j= pm128[i];
+#else
+ int j= bit_reverse_512[i];
+#endif
+ buf[i].real = (data[256-2*j-1] * xcos1[j]) - (data[2*j] * xsin1[j]);
+ buf[i].imag = -1.0 * ((data[2*j] * xcos1[j]) + (data[256-2*j-1] * xsin1[j]));
}
/* FFT Merge */
- for (m=0; m < 7; m++) {
+/* unoptimized variant
+ for (m=1; m < 7; m++) {
if(m)
two_m = (1 << m);
else
@@ -185,8 +240,8 @@
two_m_plus_one = (1 << (m+1));
- for(k = 0; k < two_m; k++) {
- for(i = 0; i < 128; i += two_m_plus_one) {
+ for(i = 0; i < 128; i += two_m_plus_one) {
+ for(k = 0; k < two_m; k++) {
p = k + i;
q = p + two_m;
tmp_a_r = buf[p].real;
@@ -200,7 +255,102 @@
}
}
}
+*/
+#ifdef USE_AC3_C
+ fft_128p (&buf[0]);
+#else
+
+ /* 1. iteration */
+ for(i = 0; i < 128; i += 2) {
+ tmp_a_r = buf[i].real;
+ tmp_a_i = buf[i].imag;
+ tmp_b_r = buf[i+1].real;
+ tmp_b_i = buf[i+1].imag;
+ buf[i].real = tmp_a_r + tmp_b_r;
+ buf[i].imag = tmp_a_i + tmp_b_i;
+ buf[i+1].real = tmp_a_r - tmp_b_r;
+ buf[i+1].imag = tmp_a_i - tmp_b_i;
+ }
+
+ /* 2. iteration */
+ // Note w[1]={{1,0}, {0,-1}}
+ for(i = 0; i < 128; i += 4) {
+ tmp_a_r = buf[i].real;
+ tmp_a_i = buf[i].imag;
+ tmp_b_r = buf[i+2].real;
+ tmp_b_i = buf[i+2].imag;
+ buf[i].real = tmp_a_r + tmp_b_r;
+ buf[i].imag = tmp_a_i + tmp_b_i;
+ buf[i+2].real = tmp_a_r - tmp_b_r;
+ buf[i+2].imag = tmp_a_i - tmp_b_i;
+ tmp_a_r = buf[i+1].real;
+ tmp_a_i = buf[i+1].imag;
+ tmp_b_r = buf[i+3].imag;
+ tmp_b_i = buf[i+3].real;
+ buf[i+1].real = tmp_a_r + tmp_b_r;
+ buf[i+1].imag = tmp_a_i - tmp_b_i;
+ buf[i+3].real = tmp_a_r - tmp_b_r;
+ buf[i+3].imag = tmp_a_i + tmp_b_i;
+ }
+ /* 3. iteration */
+ for(i = 0; i < 128; i += 8) {
+ tmp_a_r = buf[i].real;
+ tmp_a_i = buf[i].imag;
+ tmp_b_r = buf[i+4].real;
+ tmp_b_i = buf[i+4].imag;
+ buf[i].real = tmp_a_r + tmp_b_r;
+ buf[i].imag = tmp_a_i + tmp_b_i;
+ buf[i+4].real = tmp_a_r - tmp_b_r;
+ buf[i+4].imag = tmp_a_i - tmp_b_i;
+ tmp_a_r = buf[1+i].real;
+ tmp_a_i = buf[1+i].imag;
+ tmp_b_r = (buf[i+5].real + buf[i+5].imag) * w[2][1].real;
+ tmp_b_i = (buf[i+5].imag - buf[i+5].real) * w[2][1].real;
+ buf[1+i].real = tmp_a_r + tmp_b_r;
+ buf[1+i].imag = tmp_a_i + tmp_b_i;
+ buf[i+5].real = tmp_a_r - tmp_b_r;
+ buf[i+5].imag = tmp_a_i - tmp_b_i;
+ tmp_a_r = buf[i+2].real;
+ tmp_a_i = buf[i+2].imag;
+ tmp_b_r = buf[i+6].imag;
+ tmp_b_i = - buf[i+6].real;
+ buf[i+2].real = tmp_a_r + tmp_b_r;
+ buf[i+2].imag = tmp_a_i + tmp_b_i;
+ buf[i+6].real = tmp_a_r - tmp_b_r;
+ buf[i+6].imag = tmp_a_i - tmp_b_i;
+ tmp_a_r = buf[i+3].real;
+ tmp_a_i = buf[i+3].imag;
+ tmp_b_r = (buf[i+7].real - buf[i+7].imag) * w[2][3].imag;
+ tmp_b_i = (buf[i+7].imag + buf[i+7].real) * w[2][3].imag;
+ buf[i+3].real = tmp_a_r + tmp_b_r;
+ buf[i+3].imag = tmp_a_i + tmp_b_i;
+ buf[i+7].real = tmp_a_r - tmp_b_r;
+ buf[i+7].imag = tmp_a_i - tmp_b_i;
+ }
+
+ /* 4-7. iterations */
+ for (m=3; m < 7; m++) {
+ two_m = (1 << m);
+
+ two_m_plus_one = two_m<<1;
+
+ for(i = 0; i < 128; i += two_m_plus_one) {
+ for(k = 0; k < two_m; k++) {
+ int p = k + i;
+ int q = p + two_m;
+ tmp_a_r = buf[p].real;
+ tmp_a_i = buf[p].imag;
+ tmp_b_r = buf[q].real * w[m][k].real - buf[q].imag * w[m][k].imag;
+ tmp_b_i = buf[q].imag * w[m][k].real + buf[q].real * w[m][k].imag;
+ buf[p].real = tmp_a_r + tmp_b_r;
+ buf[p].imag = tmp_a_i + tmp_b_i;
+ buf[q].real = tmp_a_r - tmp_b_r;
+ buf[q].imag = tmp_a_i - tmp_b_i;
+ }
+ }
+ }
+#endif
/* Post IFFT complex multiply plus IFFT complex conjugate*/
for( i=0; i < 128; i++) {
/* y[n] = z[n] * (xcos1[n] + j * xsin1[n]) ; */
@@ -219,12 +369,12 @@
*data_ptr++ = -buf[64+i].imag * *window_ptr++ + *delay_ptr++ + bias;
*data_ptr++ = buf[64-i-1].real * *window_ptr++ + *delay_ptr++ + bias;
}
-
+
for(i=0; i< 64; i++) {
*data_ptr++ = -buf[i].real * *window_ptr++ + *delay_ptr++ + bias;
*data_ptr++ = buf[128-i-1].imag * *window_ptr++ + *delay_ptr++ + bias;
}
-
+
/* The trailing edge of the window goes into the delay line */
delay_ptr = delay;
@@ -232,13 +382,717 @@
*delay_ptr++ = -buf[64+i].real * *--window_ptr;
*delay_ptr++ = buf[64-i-1].imag * *--window_ptr;
}
-
+
for(i=0; i<64; i++) {
*delay_ptr++ = buf[i].imag * *--window_ptr;
*delay_ptr++ = -buf[128-i-1].real * *--window_ptr;
}
}
+#ifdef HAVE_ALTIVEC
+
+#ifndef SYS_DARWIN
+#include <altivec.h>
+#endif
+
+// used to build registers permutation vectors (vcprm)
+// the 's' are for words in the _s_econd vector
+#define WORD_0 0x00,0x01,0x02,0x03
+#define WORD_1 0x04,0x05,0x06,0x07
+#define WORD_2 0x08,0x09,0x0a,0x0b
+#define WORD_3 0x0c,0x0d,0x0e,0x0f
+#define WORD_s0 0x10,0x11,0x12,0x13
+#define WORD_s1 0x14,0x15,0x16,0x17
+#define WORD_s2 0x18,0x19,0x1a,0x1b
+#define WORD_s3 0x1c,0x1d,0x1e,0x1f
+
+#ifdef SYS_DARWIN
+#define vcprm(a,b,c,d) (const vector unsigned char)(WORD_ ## a, WORD_ ## b, WORD_ ## c, WORD_ ## d)
+#else
+#define vcprm(a,b,c,d) (const vector unsigned char){WORD_ ## a, WORD_ ## b, WORD_ ## c, WORD_ ## d}
+#endif
+
+// vcprmle is used to keep the same index as in the SSE version.
+// it's the same as vcprm, with the index inversed
+// ('le' is Little Endian)
+#define vcprmle(a,b,c,d) vcprm(d,c,b,a)
+
+// used to build inverse/identity vectors (vcii)
+// n is _n_egative, p is _p_ositive
+#define FLOAT_n -1.
+#define FLOAT_p 1.
+
+#ifdef SYS_DARWIN
+#define vcii(a,b,c,d) (const vector float)(FLOAT_ ## a, FLOAT_ ## b, FLOAT_ ## c, FLOAT_ ## d)
+#else
+#define vcii(a,b,c,d) (const vector float){FLOAT_ ## a, FLOAT_ ## b, FLOAT_ ## c, FLOAT_ ## d}
+#endif
+
+#ifdef SYS_DARWIN
+#define FOUROF(a) (a)
+#else
+#define FOUROF(a) {a,a,a,a}
+#endif
+
+
+void
+imdct_do_512_altivec(sample_t data[],sample_t delay[], sample_t bias)
+{
+ int i;
+ int k;
+ int p,q;
+ int m;
+ int two_m;
+ int two_m_plus_one;
+
+ sample_t tmp_b_i;
+ sample_t tmp_b_r;
+ sample_t tmp_a_i;
+ sample_t tmp_a_r;
+
+ sample_t *data_ptr;
+ sample_t *delay_ptr;
+ sample_t *window_ptr;
+
+ /* 512 IMDCT with source and dest data in 'data' */
+
+ /* Pre IFFT complex multiply plus IFFT cmplx conjugate & reordering*/
+ for( i=0; i < 128; i++) {
+ /* z[i] = (X[256-2*i-1] + j * X[2*i]) * (xcos1[i] + j * xsin1[i]) ; */
+ int j= bit_reverse_512[i];
+ buf[i].real = (data[256-2*j-1] * xcos1[j]) - (data[2*j] * xsin1[j]);
+ buf[i].imag = -1.0 * ((data[2*j] * xcos1[j]) + (data[256-2*j-1] * xsin1[j]));
+ }
+
+ /* 1. iteration */
+ for(i = 0; i < 128; i += 2) {
+#if 0
+ tmp_a_r = buf[i].real;
+ tmp_a_i = buf[i].imag;
+ tmp_b_r = buf[i+1].real;
+ tmp_b_i = buf[i+1].imag;
+ buf[i].real = tmp_a_r + tmp_b_r;
+ buf[i].imag = tmp_a_i + tmp_b_i;
+ buf[i+1].real = tmp_a_r - tmp_b_r;
+ buf[i+1].imag = tmp_a_i - tmp_b_i;
+#else
+ vector float temp, bufv;
+
+ bufv = vec_ld(i << 3, (float*)buf);
+ temp = vec_perm(bufv, bufv, vcprm(2,3,0,1));
+ bufv = vec_madd(bufv, vcii(p,p,n,n), temp);
+ vec_st(bufv, i << 3, (float*)buf);
+#endif
+ }
+
+ /* 2. iteration */
+ // Note w[1]={{1,0}, {0,-1}}
+ for(i = 0; i < 128; i += 4) {
+#if 0
+ tmp_a_r = buf[i].real;
+ tmp_a_i = buf[i].imag;
+ tmp_b_r = buf[i+2].real;
+ tmp_b_i = buf[i+2].imag;
+ buf[i].real = tmp_a_r + tmp_b_r;
+ buf[i].imag = tmp_a_i + tmp_b_i;
+ buf[i+2].real = tmp_a_r - tmp_b_r;
+ buf[i+2].imag = tmp_a_i - tmp_b_i;
+ tmp_a_r = buf[i+1].real;
+ tmp_a_i = buf[i+1].imag;
+ /* WARNING: im <-> re here ! */
+ tmp_b_r = buf[i+3].imag;
+ tmp_b_i = buf[i+3].real;
+ buf[i+1].real = tmp_a_r + tmp_b_r;
+ buf[i+1].imag = tmp_a_i - tmp_b_i;
+ buf[i+3].real = tmp_a_r - tmp_b_r;
+ buf[i+3].imag = tmp_a_i + tmp_b_i;
+#else
+ vector float buf01, buf23, temp1, temp2;
+
+ buf01 = vec_ld((i + 0) << 3, (float*)buf);
+ buf23 = vec_ld((i + 2) << 3, (float*)buf);
+ buf23 = vec_perm(buf23,buf23,vcprm(0,1,3,2));
+
+ temp1 = vec_madd(buf23, vcii(p,p,p,n), buf01);
+ temp2 = vec_madd(buf23, vcii(n,n,n,p), buf01);
+
+ vec_st(temp1, (i + 0) << 3, (float*)buf);
+ vec_st(temp2, (i + 2) << 3, (float*)buf);
+#endif
+ }
+
+ /* 3. iteration */
+ for(i = 0; i < 128; i += 8) {
+#if 0
+ tmp_a_r = buf[i].real;
+ tmp_a_i = buf[i].imag;
+ tmp_b_r = buf[i+4].real;
+ tmp_b_i = buf[i+4].imag;
+ buf[i].real = tmp_a_r + tmp_b_r;
+ buf[i].imag = tmp_a_i + tmp_b_i;
+ buf[i+4].real = tmp_a_r - tmp_b_r;
+ buf[i+4].imag = tmp_a_i - tmp_b_i;
+ tmp_a_r = buf[1+i].real;
+ tmp_a_i = buf[1+i].imag;
+ tmp_b_r = (buf[i+5].real + buf[i+5].imag) * w[2][1].real;
+ tmp_b_i = (buf[i+5].imag - buf[i+5].real) * w[2][1].real;
+ buf[1+i].real = tmp_a_r + tmp_b_r;
+ buf[1+i].imag = tmp_a_i + tmp_b_i;
+ buf[i+5].real = tmp_a_r - tmp_b_r;
+ buf[i+5].imag = tmp_a_i - tmp_b_i;
+ tmp_a_r = buf[i+2].real;
+ tmp_a_i = buf[i+2].imag;
+ /* WARNING re <-> im & sign */
+ tmp_b_r = buf[i+6].imag;
+ tmp_b_i = - buf[i+6].real;
+ buf[i+2].real = tmp_a_r + tmp_b_r;
+ buf[i+2].imag = tmp_a_i + tmp_b_i;
+ buf[i+6].real = tmp_a_r - tmp_b_r;
+ buf[i+6].imag = tmp_a_i - tmp_b_i;
+ tmp_a_r = buf[i+3].real;
+ tmp_a_i = buf[i+3].imag;
+ tmp_b_r = (buf[i+7].real - buf[i+7].imag) * w[2][3].imag;
+ tmp_b_i = (buf[i+7].imag + buf[i+7].real) * w[2][3].imag;
+ buf[i+3].real = tmp_a_r + tmp_b_r;
+ buf[i+3].imag = tmp_a_i + tmp_b_i;
+ buf[i+7].real = tmp_a_r - tmp_b_r;
+ buf[i+7].imag = tmp_a_i - tmp_b_i;
+#else
+ vector float buf01, buf23, buf45, buf67;
+
+ buf01 = vec_ld((i + 0) << 3, (float*)buf);
+ buf23 = vec_ld((i + 2) << 3, (float*)buf);
+
+ tmp_b_r = (buf[i+5].real + buf[i+5].imag) * w[2][1].real;
+ tmp_b_i = (buf[i+5].imag - buf[i+5].real) * w[2][1].real;
+ buf[i+5].real = tmp_b_r;
+ buf[i+5].imag = tmp_b_i;
+ tmp_b_r = (buf[i+7].real - buf[i+7].imag) * w[2][3].imag;
+ tmp_b_i = (buf[i+7].imag + buf[i+7].real) * w[2][3].imag;
+ buf[i+7].real = tmp_b_r;
+ buf[i+7].imag = tmp_b_i;
+
+ buf23 = vec_ld((i + 2) << 3, (float*)buf);
+ buf45 = vec_ld((i + 4) << 3, (float*)buf);
+ buf67 = vec_ld((i + 6) << 3, (float*)buf);
+ buf67 = vec_perm(buf67, buf67, vcprm(1,0,2,3));
+
+ vec_st(vec_add(buf01, buf45), (i + 0) << 3, (float*)buf);
+ vec_st(vec_madd(buf67, vcii(p,n,p,p), buf23), (i + 2) << 3, (float*)buf);
+ vec_st(vec_sub(buf01, buf45), (i + 4) << 3, (float*)buf);
+ vec_st(vec_nmsub(buf67, vcii(p,n,p,p), buf23), (i + 6) << 3, (float*)buf);
+#endif
+ }
+
+ /* 4-7. iterations */
+ for (m=3; m < 7; m++) {
+ two_m = (1 << m);
+
+ two_m_plus_one = two_m<<1;
+
+ for(i = 0; i < 128; i += two_m_plus_one) {
+ for(k = 0; k < two_m; k+=2) {
+#if 0
+ int p = k + i;
+ int q = p + two_m;
+ tmp_a_r = buf[p].real;
+ tmp_a_i = buf[p].imag;
+ tmp_b_r =
+ buf[q].real * w[m][k].real -
+ buf[q].imag * w[m][k].imag;
+ tmp_b_i =
+ buf[q].imag * w[m][k].real +
+ buf[q].real * w[m][k].imag;
+ buf[p].real = tmp_a_r + tmp_b_r;
+ buf[p].imag = tmp_a_i + tmp_b_i;
+ buf[q].real = tmp_a_r - tmp_b_r;
+ buf[q].imag = tmp_a_i - tmp_b_i;
+
+ tmp_a_r = buf[(p + 1)].real;
+ tmp_a_i = buf[(p + 1)].imag;
+ tmp_b_r =
+ buf[(q + 1)].real * w[m][(k + 1)].real -
+ buf[(q + 1)].imag * w[m][(k + 1)].imag;
+ tmp_b_i =
+ buf[(q + 1)].imag * w[m][(k + 1)].real +
+ buf[(q + 1)].real * w[m][(k + 1)].imag;
+ buf[(p + 1)].real = tmp_a_r + tmp_b_r;
+ buf[(p + 1)].imag = tmp_a_i + tmp_b_i;
+ buf[(q + 1)].real = tmp_a_r - tmp_b_r;
+ buf[(q + 1)].imag = tmp_a_i - tmp_b_i;
+#else
+ int p = k + i;
+ int q = p + two_m;
+ vector float vecp, vecq, vecw, temp1, temp2, temp3, temp4;
+ const vector float vczero = (const vector float)FOUROF(0.);
+ // first compute buf[q] and buf[q+1]
+ vecq = vec_ld(q << 3, (float*)buf);
+ vecw = vec_ld(0, (float*)&(w[m][k]));
+ temp1 = vec_madd(vecq, vecw, vczero);
+ temp2 = vec_perm(vecq, vecq, vcprm(1,0,3,2));
+ temp2 = vec_madd(temp2, vecw, vczero);
+ temp3 = vec_perm(temp1, temp2, vcprm(0,s0,2,s2));
+ temp4 = vec_perm(temp1, temp2, vcprm(1,s1,3,s3));
+ vecq = vec_madd(temp4, vcii(n,p,n,p), temp3);
+ // then butterfly with buf[p] and buf[p+1]
+ vecp = vec_ld(p << 3, (float*)buf);
+
+ temp1 = vec_add(vecp, vecq);
+ temp2 = vec_sub(vecp, vecq);
+
+ vec_st(temp1, p << 3, (float*)buf);
+ vec_st(temp2, q << 3, (float*)buf);
+#endif
+ }
+ }
+ }
+
+ /* Post IFFT complex multiply plus IFFT complex conjugate*/
+ for( i=0; i < 128; i+=4) {
+ /* y[n] = z[n] * (xcos1[n] + j * xsin1[n]) ; */
+#if 0
+ tmp_a_r = buf[(i + 0)].real;
+ tmp_a_i = -1.0 * buf[(i + 0)].imag;
+ buf[(i + 0)].real =
+ (tmp_a_r * xcos1[(i + 0)]) - (tmp_a_i * xsin1[(i + 0)]);
+ buf[(i + 0)].imag =
+ (tmp_a_r * xsin1[(i + 0)]) + (tmp_a_i * xcos1[(i + 0)]);
+
+ tmp_a_r = buf[(i + 1)].real;
+ tmp_a_i = -1.0 * buf[(i + 1)].imag;
+ buf[(i + 1)].real =
+ (tmp_a_r * xcos1[(i + 1)]) - (tmp_a_i * xsin1[(i + 1)]);
+ buf[(i + 1)].imag =
+ (tmp_a_r * xsin1[(i + 1)]) + (tmp_a_i * xcos1[(i + 1)]);
+
+ tmp_a_r = buf[(i + 2)].real;
+ tmp_a_i = -1.0 * buf[(i + 2)].imag;
+ buf[(i + 2)].real =
+ (tmp_a_r * xcos1[(i + 2)]) - (tmp_a_i * xsin1[(i + 2)]);
+ buf[(i + 2)].imag =
+ (tmp_a_r * xsin1[(i + 2)]) + (tmp_a_i * xcos1[(i + 2)]);
+
+ tmp_a_r = buf[(i + 3)].real;
+ tmp_a_i = -1.0 * buf[(i + 3)].imag;
+ buf[(i + 3)].real =
+ (tmp_a_r * xcos1[(i + 3)]) - (tmp_a_i * xsin1[(i + 3)]);
+ buf[(i + 3)].imag =
+ (tmp_a_r * xsin1[(i + 3)]) + (tmp_a_i * xcos1[(i + 3)]);
+#else
+ vector float bufv_0, bufv_2, cosv, sinv, temp1, temp2;
+ vector float temp0022, temp1133, tempCS01;
+ const vector float vczero = (const vector float)FOUROF(0.);
+
+ bufv_0 = vec_ld((i + 0) << 3, (float*)buf);
+ bufv_2 = vec_ld((i + 2) << 3, (float*)buf);
+
+ cosv = vec_ld(i << 2, xcos1);
+ sinv = vec_ld(i << 2, xsin1);
+
+ temp0022 = vec_perm(bufv_0, bufv_0, vcprm(0,0,2,2));
+ temp1133 = vec_perm(bufv_0, bufv_0, vcprm(1,1,3,3));
+ tempCS01 = vec_perm(cosv, sinv, vcprm(0,s0,1,s1));
+ temp1 = vec_madd(temp0022, tempCS01, vczero);
+ tempCS01 = vec_perm(cosv, sinv, vcprm(s0,0,s1,1));
+ temp2 = vec_madd(temp1133, tempCS01, vczero);
+ bufv_0 = vec_madd(temp2, vcii(p,n,p,n), temp1);
+
+ vec_st(bufv_0, (i + 0) << 3, (float*)buf);
+
+ /* idem with bufv_2 and high-order cosv/sinv */
+
+ temp0022 = vec_perm(bufv_2, bufv_2, vcprm(0,0,2,2));
+ temp1133 = vec_perm(bufv_2, bufv_2, vcprm(1,1,3,3));
+ tempCS01 = vec_perm(cosv, sinv, vcprm(2,s2,3,s3));
+ temp1 = vec_madd(temp0022, tempCS01, vczero);
+ tempCS01 = vec_perm(cosv, sinv, vcprm(s2,2,s3,3));
+ temp2 = vec_madd(temp1133, tempCS01, vczero);
+ bufv_2 = vec_madd(temp2, vcii(p,n,p,n), temp1);
+
+ vec_st(bufv_2, (i + 2) << 3, (float*)buf);
+
+#endif
+ }
+
+ data_ptr = data;
+ delay_ptr = delay;
+ window_ptr = imdct_window;
+
+ /* Window and convert to real valued signal */
+ for(i=0; i< 64; i++) {
+ *data_ptr++ = -buf[64+i].imag * *window_ptr++ + *delay_ptr++ + bias;
+ *data_ptr++ = buf[64-i-1].real * *window_ptr++ + *delay_ptr++ + bias;
+ }
+
+ for(i=0; i< 64; i++) {
+ *data_ptr++ = -buf[i].real * *window_ptr++ + *delay_ptr++ + bias;
+ *data_ptr++ = buf[128-i-1].imag * *window_ptr++ + *delay_ptr++ + bias;
+ }
+
+ /* The trailing edge of the window goes into the delay line */
+ delay_ptr = delay;
+
+ for(i=0; i< 64; i++) {
+ *delay_ptr++ = -buf[64+i].real * *--window_ptr;
+ *delay_ptr++ = buf[64-i-1].imag * *--window_ptr;
+ }
+
+ for(i=0; i<64; i++) {
+ *delay_ptr++ = buf[i].imag * *--window_ptr;
+ *delay_ptr++ = -buf[128-i-1].real * *--window_ptr;
+ }
+}
+#endif
+
+
+// Stuff below this line is borrowed from libac3
+#include "srfftp.h"
+#ifdef ARCH_X86
+#ifndef HAVE_3DNOW
+#define HAVE_3DNOW 1
+#endif
+#include "srfftp_3dnow.h"
+
+const i_cmplx_t x_plus_minus_3dnow __attribute__ ((aligned (8))) = {{ 0x00000000UL, 0x80000000UL }};
+const i_cmplx_t x_minus_plus_3dnow __attribute__ ((aligned (8))) = {{ 0x80000000UL, 0x00000000UL }};
+const complex_t HSQRT2_3DNOW __attribute__ ((aligned (8))) = { 0.707106781188, 0.707106781188 };
+
+#undef HAVE_3DNOWEX
+#include "imdct_3dnow.h"
+#define HAVE_3DNOWEX
+#include "imdct_3dnow.h"
+
+void
+imdct_do_512_sse(sample_t data[],sample_t delay[], sample_t bias)
+{
+/* int i,k;
+ int p,q;*/
+ int m;
+ int two_m;
+ int two_m_plus_one;
+
+/* sample_t tmp_a_i;
+ sample_t tmp_a_r;
+ sample_t tmp_b_i;
+ sample_t tmp_b_r;*/
+
+ sample_t *data_ptr;
+ sample_t *delay_ptr;
+ sample_t *window_ptr;
+
+ /* 512 IMDCT with source and dest data in 'data' */
+ /* see the c version (dct_do_512()), its allmost identical, just in C */
+
+ /* Pre IFFT complex multiply plus IFFT cmplx conjugate */
+ /* Bit reversed shuffling */
+ asm volatile(
+ "xorl %%esi, %%esi \n\t"
+ "leal "MANGLE(bit_reverse_512)", %%eax \n\t"
+ "movl $1008, %%edi \n\t"
+ "pushl %%ebp \n\t" //use ebp without telling gcc
+ ".balign 16 \n\t"
+ "1: \n\t"
+ "movlps (%0, %%esi), %%xmm0 \n\t" // XXXI
+ "movhps 8(%0, %%edi), %%xmm0 \n\t" // RXXI
+ "movlps 8(%0, %%esi), %%xmm1 \n\t" // XXXi
+ "movhps (%0, %%edi), %%xmm1 \n\t" // rXXi
+ "shufps $0x33, %%xmm1, %%xmm0 \n\t" // irIR
+ "movaps "MANGLE(sseSinCos1c)"(%%esi), %%xmm2\n\t"
+ "mulps %%xmm0, %%xmm2 \n\t"
+ "shufps $0xB1, %%xmm0, %%xmm0 \n\t" // riRI
+ "mulps "MANGLE(sseSinCos1d)"(%%esi), %%xmm0\n\t"
+ "subps %%xmm0, %%xmm2 \n\t"
+ "movzbl (%%eax), %%edx \n\t"
+ "movzbl 1(%%eax), %%ebp \n\t"
+ "movlps %%xmm2, (%1, %%edx,8) \n\t"
+ "movhps %%xmm2, (%1, %%ebp,8) \n\t"
+ "addl $16, %%esi \n\t"
+ "addl $2, %%eax \n\t" // avoid complex addressing for P4 crap
+ "subl $16, %%edi \n\t"
+ " jnc 1b \n\t"
+ "popl %%ebp \n\t"//no we didnt touch ebp *g*
+ :: "b" (data), "c" (buf)
+ : "%esi", "%edi", "%eax", "%edx"
+ );
+
+
+ /* FFT Merge */
+/* unoptimized variant
+ for (m=1; m < 7; m++) {
+ if(m)
+ two_m = (1 << m);
+ else
+ two_m = 1;
+
+ two_m_plus_one = (1 << (m+1));
+
+ for(i = 0; i < 128; i += two_m_plus_one) {
+ for(k = 0; k < two_m; k++) {
+ p = k + i;
+ q = p + two_m;
+ tmp_a_r = buf[p].real;
+ tmp_a_i = buf[p].imag;
+ tmp_b_r = buf[q].real * w[m][k].real - buf[q].imag * w[m][k].imag;
+ tmp_b_i = buf[q].imag * w[m][k].real + buf[q].real * w[m][k].imag;
+ buf[p].real = tmp_a_r + tmp_b_r;
+ buf[p].imag = tmp_a_i + tmp_b_i;
+ buf[q].real = tmp_a_r - tmp_b_r;
+ buf[q].imag = tmp_a_i - tmp_b_i;
+ }
+ }
+ }
+*/
+
+ /* 1. iteration */
+ // Note w[0][0]={1,0}
+ asm volatile(
+ "xorps %%xmm1, %%xmm1 \n\t"
+ "xorps %%xmm2, %%xmm2 \n\t"
+ "movl %0, %%esi \n\t"
+ ".balign 16 \n\t"
+ "1: \n\t"
+ "movlps (%%esi), %%xmm0 \n\t" //buf[p]
+ "movlps 8(%%esi), %%xmm1\n\t" //buf[q]
+ "movhps (%%esi), %%xmm0 \n\t" //buf[p]
+ "movhps 8(%%esi), %%xmm2\n\t" //buf[q]
+ "addps %%xmm1, %%xmm0 \n\t"
+ "subps %%xmm2, %%xmm0 \n\t"
+ "movaps %%xmm0, (%%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ "cmpl %1, %%esi \n\t"
+ " jb 1b \n\t"
+ :: "g" (buf), "r" (buf + 128)
+ : "%esi"
+ );
+
+ /* 2. iteration */
+ // Note w[1]={{1,0}, {0,-1}}
+ asm volatile(
+ "movaps "MANGLE(ps111_1)", %%xmm7\n\t" // 1,1,1,-1
+ "movl %0, %%esi \n\t"
+ ".balign 16 \n\t"
+ "1: \n\t"
+ "movaps 16(%%esi), %%xmm2 \n\t" //r2,i2,r3,i3
+ "shufps $0xB4, %%xmm2, %%xmm2 \n\t" //r2,i2,i3,r3
+ "mulps %%xmm7, %%xmm2 \n\t" //r2,i2,i3,-r3
+ "movaps (%%esi), %%xmm0 \n\t" //r0,i0,r1,i1
+ "movaps (%%esi), %%xmm1 \n\t" //r0,i0,r1,i1
+ "addps %%xmm2, %%xmm0 \n\t"
+ "subps %%xmm2, %%xmm1 \n\t"
+ "movaps %%xmm0, (%%esi) \n\t"
+ "movaps %%xmm1, 16(%%esi) \n\t"
+ "addl $32, %%esi \n\t"
+ "cmpl %1, %%esi \n\t"
+ " jb 1b \n\t"
+ :: "g" (buf), "r" (buf + 128)
+ : "%esi"
+ );
+
+ /* 3. iteration */
+/*
+ Note sseW2+0={1,1,sqrt(2),sqrt(2))
+ Note sseW2+16={0,0,sqrt(2),-sqrt(2))
+ Note sseW2+32={0,0,-sqrt(2),-sqrt(2))
+ Note sseW2+48={1,-1,sqrt(2),-sqrt(2))
+*/
+ asm volatile(
+ "movaps 48+"MANGLE(sseW2)", %%xmm6\n\t"
+ "movaps 16+"MANGLE(sseW2)", %%xmm7\n\t"
+ "xorps %%xmm5, %%xmm5 \n\t"
+ "xorps %%xmm2, %%xmm2 \n\t"
+ "movl %0, %%esi \n\t"
+ ".balign 16 \n\t"
+ "1: \n\t"
+ "movaps 32(%%esi), %%xmm2 \n\t" //r4,i4,r5,i5
+ "movaps 48(%%esi), %%xmm3 \n\t" //r6,i6,r7,i7
+ "movaps "MANGLE(sseW2)", %%xmm4 \n\t" //r4,i4,r5,i5
+ "movaps 32+"MANGLE(sseW2)", %%xmm5\n\t" //r6,i6,r7,i7
+ "mulps %%xmm2, %%xmm4 \n\t"
+ "mulps %%xmm3, %%xmm5 \n\t"
+ "shufps $0xB1, %%xmm2, %%xmm2 \n\t" //i4,r4,i5,r5
+ "shufps $0xB1, %%xmm3, %%xmm3 \n\t" //i6,r6,i7,r7
+ "mulps %%xmm6, %%xmm3 \n\t"
+ "mulps %%xmm7, %%xmm2 \n\t"
+ "movaps (%%esi), %%xmm0 \n\t" //r0,i0,r1,i1
+ "movaps 16(%%esi), %%xmm1 \n\t" //r2,i2,r3,i3
+ "addps %%xmm4, %%xmm2 \n\t"
+ "addps %%xmm5, %%xmm3 \n\t"
+ "movaps %%xmm2, %%xmm4 \n\t"
+ "movaps %%xmm3, %%xmm5 \n\t"
+ "addps %%xmm0, %%xmm2 \n\t"
+ "addps %%xmm1, %%xmm3 \n\t"
+ "subps %%xmm4, %%xmm0 \n\t"
+ "subps %%xmm5, %%xmm1 \n\t"
+ "movaps %%xmm2, (%%esi) \n\t"
+ "movaps %%xmm3, 16(%%esi) \n\t"
+ "movaps %%xmm0, 32(%%esi) \n\t"
+ "movaps %%xmm1, 48(%%esi) \n\t"
+ "addl $64, %%esi \n\t"
+ "cmpl %1, %%esi \n\t"
+ " jb 1b \n\t"
+ :: "g" (buf), "r" (buf + 128)
+ : "%esi"
+ );
+
+ /* 4-7. iterations */
+ for (m=3; m < 7; m++) {
+ two_m = (1 << m);
+ two_m_plus_one = two_m<<1;
+ asm volatile(
+ "movl %0, %%esi \n\t"
+ ".balign 16 \n\t"
+ "1: \n\t"
+ "xorl %%edi, %%edi \n\t" // k
+ "leal (%%esi, %3), %%edx \n\t"
+ "2: \n\t"
+ "movaps (%%edx, %%edi), %%xmm1 \n\t"
+ "movaps (%4, %%edi, 2), %%xmm2 \n\t"
+ "mulps %%xmm1, %%xmm2 \n\t"
+ "shufps $0xB1, %%xmm1, %%xmm1 \n\t"
+ "mulps 16(%4, %%edi, 2), %%xmm1 \n\t"
+ "movaps (%%esi, %%edi), %%xmm0 \n\t"
+ "addps %%xmm2, %%xmm1 \n\t"
+ "movaps %%xmm1, %%xmm2 \n\t"
+ "addps %%xmm0, %%xmm1 \n\t"
+ "subps %%xmm2, %%xmm0 \n\t"
+ "movaps %%xmm1, (%%esi, %%edi) \n\t"
+ "movaps %%xmm0, (%%edx, %%edi) \n\t"
+ "addl $16, %%edi \n\t"
+ "cmpl %3, %%edi \n\t" //FIXME (opt) count against 0
+ " jb 2b \n\t"
+ "addl %2, %%esi \n\t"
+ "cmpl %1, %%esi \n\t"
+ " jb 1b \n\t"
+ :: "g" (buf), "m" (buf+128), "m" (two_m_plus_one<<3), "r" (two_m<<3),
+ "r" (sseW[m])
+ : "%esi", "%edi", "%edx"
+ );
+ }
+
+ /* Post IFFT complex multiply plus IFFT complex conjugate*/
+ asm volatile(
+ "movl $-1024, %%esi \n\t"
+ ".balign 16 \n\t"
+ "1: \n\t"
+ "movaps (%0, %%esi), %%xmm0 \n\t"
+ "movaps (%0, %%esi), %%xmm1 \n\t"
+ "shufps $0xB1, %%xmm0, %%xmm0 \n\t"
+ "mulps 1024+"MANGLE(sseSinCos1c)"(%%esi), %%xmm1\n\t"
+ "mulps 1024+"MANGLE(sseSinCos1d)"(%%esi), %%xmm0\n\t"
+ "addps %%xmm1, %%xmm0 \n\t"
+ "movaps %%xmm0, (%0, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ " jnz 1b \n\t"
+ :: "r" (buf+128)
+ : "%esi"
+ );
+
+
+ data_ptr = data;
+ delay_ptr = delay;
+ window_ptr = imdct_window;
+
+ /* Window and convert to real valued signal */
+ asm volatile(
+ "xorl %%edi, %%edi \n\t" // 0
+ "xorl %%esi, %%esi \n\t" // 0
+ "movss %3, %%xmm2 \n\t" // bias
+ "shufps $0x00, %%xmm2, %%xmm2 \n\t" // bias, bias, ...
+ ".balign 16 \n\t"
+ "1: \n\t"
+ "movlps (%0, %%esi), %%xmm0 \n\t" // ? ? A ?
+ "movlps 8(%0, %%esi), %%xmm1 \n\t" // ? ? C ?
+ "movhps -16(%0, %%edi), %%xmm1 \n\t" // ? D C ?
+ "movhps -8(%0, %%edi), %%xmm0 \n\t" // ? B A ?
+ "shufps $0x99, %%xmm1, %%xmm0 \n\t" // D C B A
+ "mulps "MANGLE(sseWindow)"(%%esi), %%xmm0\n\t"
+ "addps (%2, %%esi), %%xmm0 \n\t"
+ "addps %%xmm2, %%xmm0 \n\t"
+ "movaps %%xmm0, (%1, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ "subl $16, %%edi \n\t"
+ "cmpl $512, %%esi \n\t"
+ " jb 1b \n\t"
+ :: "r" (buf+64), "r" (data_ptr), "r" (delay_ptr), "m" (bias)
+ : "%esi", "%edi"
+ );
+ data_ptr+=128;
+ delay_ptr+=128;
+// window_ptr+=128;
+
+ asm volatile(
+ "movl $1024, %%edi \n\t" // 512
+ "xorl %%esi, %%esi \n\t" // 0
+ "movss %3, %%xmm2 \n\t" // bias
+ "shufps $0x00, %%xmm2, %%xmm2 \n\t" // bias, bias, ...
+ ".balign 16 \n\t"
+ "1: \n\t"
+ "movlps (%0, %%esi), %%xmm0 \n\t" // ? ? ? A
+ "movlps 8(%0, %%esi), %%xmm1 \n\t" // ? ? ? C
+ "movhps -16(%0, %%edi), %%xmm1 \n\t" // D ? ? C
+ "movhps -8(%0, %%edi), %%xmm0 \n\t" // B ? ? A
+ "shufps $0xCC, %%xmm1, %%xmm0 \n\t" // D C B A
+ "mulps 512+"MANGLE(sseWindow)"(%%esi), %%xmm0\n\t"
+ "addps (%2, %%esi), %%xmm0 \n\t"
+ "addps %%xmm2, %%xmm0 \n\t"
+ "movaps %%xmm0, (%1, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ "subl $16, %%edi \n\t"
+ "cmpl $512, %%esi \n\t"
+ " jb 1b \n\t"
+ :: "r" (buf), "r" (data_ptr), "r" (delay_ptr), "m" (bias)
+ : "%esi", "%edi"
+ );
+ data_ptr+=128;
+// window_ptr+=128;
+
+ /* The trailing edge of the window goes into the delay line */
+ delay_ptr = delay;
+
+ asm volatile(
+ "xorl %%edi, %%edi \n\t" // 0
+ "xorl %%esi, %%esi \n\t" // 0
+ ".balign 16 \n\t"
+ "1: \n\t"
+ "movlps (%0, %%esi), %%xmm0 \n\t" // ? ? ? A
+ "movlps 8(%0, %%esi), %%xmm1 \n\t" // ? ? ? C
+ "movhps -16(%0, %%edi), %%xmm1 \n\t" // D ? ? C
+ "movhps -8(%0, %%edi), %%xmm0 \n\t" // B ? ? A
+ "shufps $0xCC, %%xmm1, %%xmm0 \n\t" // D C B A
+ "mulps 1024+"MANGLE(sseWindow)"(%%esi), %%xmm0\n\t"
+ "movaps %%xmm0, (%1, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ "subl $16, %%edi \n\t"
+ "cmpl $512, %%esi \n\t"
+ " jb 1b \n\t"
+ :: "r" (buf+64), "r" (delay_ptr)
+ : "%esi", "%edi"
+ );
+ delay_ptr+=128;
+// window_ptr-=128;
+
+ asm volatile(
+ "movl $1024, %%edi \n\t" // 1024
+ "xorl %%esi, %%esi \n\t" // 0
+ ".balign 16 \n\t"
+ "1: \n\t"
+ "movlps (%0, %%esi), %%xmm0 \n\t" // ? ? A ?
+ "movlps 8(%0, %%esi), %%xmm1 \n\t" // ? ? C ?
+ "movhps -16(%0, %%edi), %%xmm1 \n\t" // ? D C ?
+ "movhps -8(%0, %%edi), %%xmm0 \n\t" // ? B A ?
+ "shufps $0x99, %%xmm1, %%xmm0 \n\t" // D C B A
+ "mulps 1536+"MANGLE(sseWindow)"(%%esi), %%xmm0\n\t"
+ "movaps %%xmm0, (%1, %%esi) \n\t"
+ "addl $16, %%esi \n\t"
+ "subl $16, %%edi \n\t"
+ "cmpl $512, %%esi \n\t"
+ " jb 1b \n\t"
+ :: "r" (buf), "r" (delay_ptr)
+ : "%esi", "%edi"
+ );
+}
+#endif //arch_x86
+
void
imdct_do_256(sample_t data[],sample_t delay[],sample_t bias)
{
@@ -379,13 +1233,19 @@
{
int i, j, k;
- fprintf (stderr, "No accelerated IMDCT transform found\n");
-
/* Twiddle factors to turn IFFT into IMDCT */
for (i = 0; i < 128; i++) {
xcos1[i] = -cos ((M_PI / 2048) * (8 * i + 1));
xsin1[i] = -sin ((M_PI / 2048) * (8 * i + 1));
}
+#ifdef ARCH_X86
+ for (i = 0; i < 128; i++) {
+ sseSinCos1c[2*i+0]= xcos1[i];
+ sseSinCos1c[2*i+1]= -xcos1[i];
+ sseSinCos1d[2*i+0]= xsin1[i];
+ sseSinCos1d[2*i+1]= xsin1[i];
+ }
+#endif
/* More twiddle factors to turn IFFT into IMDCT */
for (i = 0; i < 64; i++) {
@@ -400,7 +1260,334 @@
w[i][k].imag = sin (-M_PI * k / j);
}
}
+#ifdef ARCH_X86
+ for (i = 1; i < 7; i++) {
+ j = 1 << i;
+ for (k = 0; k < j; k+=2) {
+
+ sseW[i][4*k + 0] = w[i][k+0].real;
+ sseW[i][4*k + 1] = w[i][k+0].real;
+ sseW[i][4*k + 2] = w[i][k+1].real;
+ sseW[i][4*k + 3] = w[i][k+1].real;
+
+ sseW[i][4*k + 4] = -w[i][k+0].imag;
+ sseW[i][4*k + 5] = w[i][k+0].imag;
+ sseW[i][4*k + 6] = -w[i][k+1].imag;
+ sseW[i][4*k + 7] = w[i][k+1].imag;
+
+ //we multiply more or less uninitalized numbers so we need to use exactly 0.0
+ if(k==0)
+ {
+// sseW[i][4*k + 0]= sseW[i][4*k + 1]= 1.0;
+ sseW[i][4*k + 4]= sseW[i][4*k + 5]= 0.0;
+ }
+
+ if(2*k == j)
+ {
+ sseW[i][4*k + 0]= sseW[i][4*k + 1]= 0.0;
+// sseW[i][4*k + 4]= -(sseW[i][4*k + 5]= -1.0);
+ }
+ }
+ }
+
+ for(i=0; i<128; i++)
+ {
+ sseWindow[2*i+0]= -imdct_window[2*i+0];
+ sseWindow[2*i+1]= imdct_window[2*i+1];
+ }
+
+ for(i=0; i<64; i++)
+ {
+ sseWindow[256 + 2*i+0]= -imdct_window[254 - 2*i+1];
+ sseWindow[256 + 2*i+1]= imdct_window[254 - 2*i+0];
+ sseWindow[384 + 2*i+0]= imdct_window[126 - 2*i+1];
+ sseWindow[384 + 2*i+1]= -imdct_window[126 - 2*i+0];
+ }
+#endif // arch_x86
+
imdct_512 = imdct_do_512;
+#ifdef ARCH_X86
+ if(mm_accel & MM_ACCEL_X86_SSE)
+ {
+ fprintf (stderr, "Using SSE optimized IMDCT transform\n");
+ imdct_512 = imdct_do_512_sse;
+ }
+ else
+ if(mm_accel & MM_ACCEL_X86_3DNOWEXT)
+ {
+ fprintf (stderr, "Using 3DNowEx optimized IMDCT transform\n");
+ imdct_512 = imdct_do_512_3dnowex;
+ }
+ else
+ if(mm_accel & MM_ACCEL_X86_3DNOW)
+ {
+ fprintf (stderr, "Using 3DNow optimized IMDCT transform\n");
+ imdct_512 = imdct_do_512_3dnow;
+ }
+ else
+#endif // arch_x86
+#ifdef HAVE_ALTIVEC
+ if (mm_accel & MM_ACCEL_PPC_ALTIVEC)
+ {
+ fprintf(stderr, "Using AltiVec optimized IMDCT transform\n");
+ imdct_512 = imdct_do_512_altivec;
+ }
+ else
+#endif
+ fprintf (stderr, "No accelerated IMDCT transform found\n");
imdct_256 = imdct_do_256;
}
}
+
+static void fft_asmb(int k, complex_t *x, complex_t *wTB,
+ const complex_t *d, const complex_t *d_3)
+{
+ register complex_t *x2k, *x3k, *x4k, *wB;
+ register float a_r, a_i, a1_r, a1_i, u_r, u_i, v_r, v_i;
+
+ x2k = x + 2 * k;
+ x3k = x2k + 2 * k;
+ x4k = x3k + 2 * k;
+ wB = wTB + 2 * k;
+
+ TRANSZERO(x[0],x2k[0],x3k[0],x4k[0]);
+ TRANS(x[1],x2k[1],x3k[1],x4k[1],wTB[1],wB[1],d[1],d_3[1]);
+
+ --k;
+ for(;;) {
+ TRANS(x[2],x2k[2],x3k[2],x4k[2],wTB[2],wB[2],d[2],d_3[2]);
+ TRANS(x[3],x2k[3],x3k[3],x4k[3],wTB[3],wB[3],d[3],d_3[3]);
+ if (!--k) break;
+ x += 2;
+ x2k += 2;
+ x3k += 2;
+ x4k += 2;
+ d += 2;
+ d_3 += 2;
+ wTB += 2;
+ wB += 2;
+ }
+
+}
+
+static void fft_asmb16(complex_t *x, complex_t *wTB)
+{
+ register float a_r, a_i, a1_r, a1_i, u_r, u_i, v_r, v_i;
+ int k = 2;
+
+ /* transform x[0], x[8], x[4], x[12] */
+ TRANSZERO(x[0],x[4],x[8],x[12]);
+
+ /* transform x[1], x[9], x[5], x[13] */
+ TRANS(x[1],x[5],x[9],x[13],wTB[1],wTB[5],delta16[1],delta16_3[1]);
+
+ /* transform x[2], x[10], x[6], x[14] */
+ TRANSHALF_16(x[2],x[6],x[10],x[14]);
+
+ /* transform x[3], x[11], x[7], x[15] */
+ TRANS(x[3],x[7],x[11],x[15],wTB[3],wTB[7],delta16[3],delta16_3[3]);
+
+}
+
+static void fft_4(complex_t *x)
+{
+ /* delta_p = 1 here */
+ /* x[k] = sum_{i=0..3} x[i] * w^{i*k}, w=e^{-2*pi/4}
+ */
+
+ register float yt_r, yt_i, yb_r, yb_i, u_r, u_i, vi_r, vi_i;
+
+ yt_r = x[0].real;
+ yb_r = yt_r - x[2].real;
+ yt_r += x[2].real;
+
+ u_r = x[1].real;
+ vi_i = x[3].real - u_r;
+ u_r += x[3].real;
+
+ u_i = x[1].imag;
+ vi_r = u_i - x[3].imag;
+ u_i += x[3].imag;
+
+ yt_i = yt_r;
+ yt_i += u_r;
+ x[0].real = yt_i;
+ yt_r -= u_r;
+ x[2].real = yt_r;
+ yt_i = yb_r;
+ yt_i += vi_r;
+ x[1].real = yt_i;
+ yb_r -= vi_r;
+ x[3].real = yb_r;
+
+ yt_i = x[0].imag;
+ yb_i = yt_i - x[2].imag;
+ yt_i += x[2].imag;
+
+ yt_r = yt_i;
+ yt_r += u_i;
+ x[0].imag = yt_r;
+ yt_i -= u_i;
+ x[2].imag = yt_i;
+ yt_r = yb_i;
+ yt_r += vi_i;
+ x[1].imag = yt_r;
+ yb_i -= vi_i;
+ x[3].imag = yb_i;
+}
+
+
+static void fft_8(complex_t *x)
+{
+ /* delta_p = diag{1, sqrt(i)} here */
+ /* x[k] = sum_{i=0..7} x[i] * w^{i*k}, w=e^{-2*pi/8}
+ */
+ register float wT1_r, wT1_i, wB1_r, wB1_i, wT2_r, wT2_i, wB2_r, wB2_i;
+
+ wT1_r = x[1].real;
+ wT1_i = x[1].imag;
+ wB1_r = x[3].real;
+ wB1_i = x[3].imag;
+
+ x[1] = x[2];
+ x[2] = x[4];
+ x[3] = x[6];
+ fft_4(&x[0]);
+
+
+ /* x[0] x[4] */
+ wT2_r = x[5].real;
+ wT2_r += x[7].real;
+ wT2_r += wT1_r;
+ wT2_r += wB1_r;
+ wT2_i = wT2_r;
+ wT2_r += x[0].real;
+ wT2_i = x[0].real - wT2_i;
+ x[0].real = wT2_r;
+ x[4].real = wT2_i;
+
+ wT2_i = x[5].imag;
+ wT2_i += x[7].imag;
+ wT2_i += wT1_i;
+ wT2_i += wB1_i;
+ wT2_r = wT2_i;
+ wT2_r += x[0].imag;
+ wT2_i = x[0].imag - wT2_i;
+ x[0].imag = wT2_r;
+ x[4].imag = wT2_i;
+
+ /* x[2] x[6] */
+ wT2_r = x[5].imag;
+ wT2_r -= x[7].imag;
+ wT2_r += wT1_i;
+ wT2_r -= wB1_i;
+ wT2_i = wT2_r;
+ wT2_r += x[2].real;
+ wT2_i = x[2].real - wT2_i;
+ x[2].real = wT2_r;
+ x[6].real = wT2_i;
+
+ wT2_i = x[5].real;
+ wT2_i -= x[7].real;
+ wT2_i += wT1_r;
+ wT2_i -= wB1_r;
+ wT2_r = wT2_i;
+ wT2_r += x[2].imag;
+ wT2_i = x[2].imag - wT2_i;
+ x[2].imag = wT2_i;
+ x[6].imag = wT2_r;
+
+
+ /* x[1] x[5] */
+ wT2_r = wT1_r;
+ wT2_r += wB1_i;
+ wT2_r -= x[5].real;
+ wT2_r -= x[7].imag;
+ wT2_i = wT1_i;
+ wT2_i -= wB1_r;
+ wT2_i -= x[5].imag;
+ wT2_i += x[7].real;
+
+ wB2_r = wT2_r;
+ wB2_r += wT2_i;
+ wT2_i -= wT2_r;
+ wB2_r *= HSQRT2;
+ wT2_i *= HSQRT2;
+ wT2_r = wB2_r;
+ wB2_r += x[1].real;
+ wT2_r = x[1].real - wT2_r;
+
+ wB2_i = x[5].real;
+ x[1].real = wB2_r;
+ x[5].real = wT2_r;
+
+ wT2_r = wT2_i;
+ wT2_r += x[1].imag;
+ wT2_i = x[1].imag - wT2_i;
+ wB2_r = x[5].imag;
+ x[1].imag = wT2_r;
+ x[5].imag = wT2_i;
+
+ /* x[3] x[7] */
+ wT1_r -= wB1_i;
+ wT1_i += wB1_r;
+ wB1_r = wB2_i - x[7].imag;
+ wB1_i = wB2_r + x[7].real;
+ wT1_r -= wB1_r;
+ wT1_i -= wB1_i;
+ wB1_r = wT1_r + wT1_i;
+ wB1_r *= HSQRT2;
+ wT1_i -= wT1_r;
+ wT1_i *= HSQRT2;
+ wB2_r = x[3].real;
+ wB2_i = wB2_r + wT1_i;
+ wB2_r -= wT1_i;
+ x[3].real = wB2_i;
+ x[7].real = wB2_r;
+ wB2_i = x[3].imag;
+ wB2_r = wB2_i + wB1_r;
+ wB2_i -= wB1_r;
+ x[3].imag = wB2_i;
+ x[7].imag = wB2_r;
+}
+
+
+static void fft_128p(complex_t *a)
+{
+ fft_8(&a[0]); fft_4(&a[8]); fft_4(&a[12]);
+ fft_asmb16(&a[0], &a[8]);
+
+ fft_8(&a[16]), fft_8(&a[24]);
+ fft_asmb(4, &a[0], &a[16],&delta32[0], &delta32_3[0]);
+
+ fft_8(&a[32]); fft_4(&a[40]); fft_4(&a[44]);
+ fft_asmb16(&a[32], &a[40]);
+
+ fft_8(&a[48]); fft_4(&a[56]); fft_4(&a[60]);
+ fft_asmb16(&a[48], &a[56]);
+
+ fft_asmb(8, &a[0], &a[32],&delta64[0], &delta64_3[0]);
+
+ fft_8(&a[64]); fft_4(&a[72]); fft_4(&a[76]);
+ /* fft_16(&a[64]); */
+ fft_asmb16(&a[64], &a[72]);
+
+ fft_8(&a[80]); fft_8(&a[88]);
+
+ /* fft_32(&a[64]); */
+ fft_asmb(4, &a[64], &a[80],&delta32[0], &delta32_3[0]);
+
+ fft_8(&a[96]); fft_4(&a[104]), fft_4(&a[108]);
+ /* fft_16(&a[96]); */
+ fft_asmb16(&a[96], &a[104]);
+
+ fft_8(&a[112]), fft_8(&a[120]);
+ /* fft_32(&a[96]); */
+ fft_asmb(4, &a[96], &a[112], &delta32[0], &delta32_3[0]);
+
+ /* fft_128(&a[0]); */
+ fft_asmb(16, &a[0], &a[64], &delta128[0], &delta128_3[0]);
+}
+
+
+
--- liba52/imdct_mlib.c 2005-03-22 19:59:35.000000000 +0100
+++ imdct_mlib.c 2004-03-19 01:15:51.000000000 +0100
@@ -23,11 +29,11 @@
#ifdef LIBA52_MLIB
-#include <inttypes.h>
-#include <string.h>
#include <mlib_types.h>
#include <mlib_status.h>
#include <mlib_signal.h>
+#include <string.h>
+#include <inttypes.h>
#include "a52.h"
#include "a52_internal.h"
@@ -42,7 +48,7 @@
sample_t *data_ptr;
sample_t *delay_ptr;
sample_t *window_ptr;
- sample_t tmp[256] __attribute__ ((__aligned__ (16)));
+ sample_t tmp[256] __attribute__((aligned(16)));
int i;
memcpy(tmp, data, 256 * sizeof(sample_t));
@@ -91,7 +97,7 @@
sample_t *data_ptr;
sample_t *delay_ptr;
sample_t *window_ptr;
- sample_t tmp[256] __attribute__ ((__aligned__ (16)));
+ sample_t tmp[256] __attribute__((aligned(16)));
int i;
memcpy(tmp, data, 256 * sizeof(sample_t));
--- include/mm_accel.h 2005-03-22 19:58:53.000000000 +0100
+++ mm_accel.h 2004-03-19 01:15:52.000000000 +0100
@@ -19,12 +25,22 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#ifndef MM_ACCEL_H
+#define MM_ACCEL_H
+
/* generic accelerations */
#define MM_ACCEL_MLIB 0x00000001
/* x86 accelerations */
#define MM_ACCEL_X86_MMX 0x80000000
#define MM_ACCEL_X86_3DNOW 0x40000000
+#define MM_ACCEL_X86_3DNOWEXT 0x08000000
#define MM_ACCEL_X86_MMXEXT 0x20000000
+#define MM_ACCEL_X86_SSE 0x10000000
+
+/* PPC accelerations */
+#define MM_ACCEL_PPC_ALTIVEC 0x00010000
uint32_t mm_accel (void);
+
+#endif /* MM_ACCEL_H */
--- liba52/parse.c 2005-03-22 19:59:35.000000000 +0100
+++ parse.c 2004-04-01 15:41:29.000000000 +0200
@@ -21,21 +27,19 @@
#include "config.h"
-#include <inttypes.h>
#include <stdlib.h>
#include <string.h>
+#include <inttypes.h>
#include "a52.h"
#include "a52_internal.h"
#include "bitstream.h"
#include "tables.h"
+#include "mm_accel.h"
#ifdef HAVE_MEMALIGN
/* some systems have memalign() but no declaration for it */
void * memalign (size_t align, size_t size);
-#else
-/* assume malloc alignment is sufficient */
-#define memalign(align,size) malloc (size)
#endif
typedef struct {
@@ -54,12 +58,28 @@
sample_t * samples;
int i;
- imdct_init (mm_accel);
-
samples = memalign (16, 256 * 12 * sizeof (sample_t));
+#if defined(__MINGW32__) && defined(HAVE_SSE)
+ for(i=0;i<10;i++){
+ if((int)samples%16){
+ sample_t* samplestmp=malloc(256 * 12 * sizeof (sample_t));
+ free(samples);
+ samples = samplestmp;
+ }
+ else break;
+ }
+#endif
+ if(((int)samples%16) && (mm_accel&MM_ACCEL_X86_SSE)){
+ mm_accel &=~MM_ACCEL_X86_SSE;
+ printf("liba52: unable to get 16 byte aligned memory disabling usage of SSE instructions\n");
+ }
+
if (samples == NULL)
- return NULL;
-
+ return NULL;
+
+ imdct_init (mm_accel);
+ downmix_accel_init(mm_accel);
+
for (i = 0; i < 256 * 12; i++)
samples[i] = 0;
@@ -124,7 +144,7 @@
state->acmod = acmod = buf[6] >> 5;
bitstream_set_ptr (buf + 6);
- bitstream_get (3); /* skip acmod we already parsed */
+ bitstream_skip (3); /* skip acmod we already parsed */
if ((acmod == 2) && (bitstream_get (2) == 2)) /* dsurmod */
acmod = A52_DOLBY;
@@ -144,7 +164,7 @@
if (state->lfeon && (*flags & A52_LFE))
state->output |= A52_LFE;
*flags = state->output;
- // the 2* compensates for differences in imdct
+ /* the 2* compensates for differences in imdct */
state->dynrng = state->level = 2 * *level;
state->bias = bias;
state->dynrnge = 1;
@@ -152,28 +172,28 @@
chaninfo = !acmod;
do {
- bitstream_get (5); /* dialnorm */
+ bitstream_skip (5); /* dialnorm */
if (bitstream_get (1)) /* compre */
- bitstream_get (8); /* compr */
+ bitstream_skip (8); /* compr */
if (bitstream_get (1)) /* langcode */
- bitstream_get (8); /* langcod */
+ bitstream_skip (8); /* langcod */
if (bitstream_get (1)) /* audprodie */
- bitstream_get (7); /* mixlevel + roomtyp */
+ bitstream_skip (7); /* mixlevel + roomtyp */
} while (chaninfo--);
- bitstream_get (2); /* copyrightb + origbs */
+ bitstream_skip (2); /* copyrightb + origbs */
if (bitstream_get (1)) /* timecod1e */
- bitstream_get (14); /* timecod1 */
+ bitstream_skip (14); /* timecod1 */
if (bitstream_get (1)) /* timecod2e */
- bitstream_get (14); /* timecod2 */
+ bitstream_skip (14); /* timecod2 */
if (bitstream_get (1)) { /* addbsie */
int addbsil;
addbsil = bitstream_get (6);
do {
- bitstream_get (8); /* addbsi */
+ bitstream_skip (8); /* addbsi */
} while (addbsil--);
}
@@ -647,7 +667,7 @@
if (parse_exponents (chexpstr[i], nchgrps, state->fbw_exp[i][0],
state->fbw_exp[i] + 1))
return 1;
- bitstream_get (2); /* gainrng */
+ bitstream_skip (2); /* gainrng */
}
if (lfeexpstr != EXP_REUSE) {
do_bit_alloc |= 32;
@@ -729,7 +749,7 @@
if (bitstream_get (1)) { /* skiple */
i = bitstream_get (9); /* skipl */
while (i--)
- bitstream_get (8);
+ bitstream_skip (8);
}
if (state->output & A52_LFE)
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