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mpv/liba52/liba52_changes.diff

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--- include/a52.h 2006-06-12 15:04:57.000000000 +0200
+++ liba52/a52.h 2006-06-05 02:23:02.000000000 +0200
@@ -59,4 +66,9 @@
int a52_block (a52_state_t * state);
void a52_free (a52_state_t * state);
+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 2006-06-12 15:05:07.000000000 +0200
+++ liba52/a52_internal.h 2006-06-05 02:23:02.000000000 +0200
@@ -103,18 +107,34 @@
#define DELTA_BIT_NONE (2)
#define DELTA_BIT_RESERVED (3)
+#if ARCH_X86_64
+# define REG_a "rax"
+# define REG_d "rdx"
+# define REG_S "rsi"
+# define REG_D "rdi"
+# define REG_BP "rbp"
+#else
+# define REG_a "eax"
+# define REG_d "edx"
+# define REG_S "esi"
+# define REG_D "edi"
+# define REG_BP "ebp"
+#endif
+
void a52_bit_allocate (a52_state_t * state, ba_t * ba, int bndstart,
int start, int end, int fastleak, int slowleak,
expbap_t * expbap);
int a52_downmix_init (int input, int flags, sample_t * level,
sample_t clev, sample_t slev);
+void downmix_accel_init(uint32_t mm_accel);
int a52_downmix_coeff (sample_t * coeff, int acmod, int output, sample_t level,
sample_t clev, sample_t slev);
-void a52_downmix (sample_t * samples, int acmod, int output, sample_t bias,
+extern void (*a52_downmix) (sample_t * samples, int acmod, int output, sample_t bias,
sample_t clev, sample_t slev);
-void a52_upmix (sample_t * samples, int acmod, int output);
+extern void (*a52_upmix) (sample_t * samples, int acmod, int output);
void a52_imdct_init (uint32_t mm_accel);
void a52_imdct_256 (sample_t * data, sample_t * delay, sample_t bias);
-void a52_imdct_512 (sample_t * data, sample_t * delay, sample_t bias);
+extern void (*a52_imdct_512) (sample_t * data, sample_t * delay, sample_t bias);
+void imdct_do_512 (sample_t * data, sample_t * delay, sample_t bias);
--- liba52/bitstream.c 2006-06-12 15:05:07.000000000 +0200
+++ liba52/bitstream.c 2006-06-05 02:23:02.000000000 +0200
@@ -31,6 +35,10 @@
#define BUFFER_SIZE 4096
+#ifdef ALT_BITSTREAM_READER
+int indx=0;
+#endif
+
void a52_bitstream_set_ptr (a52_state_t * state, uint8_t * buf)
{
int align;
@@ -38,6 +46,9 @@
align = (long)buf & 3;
state->buffer_start = (uint32_t *) (buf - align);
state->bits_left = 0;
+#ifdef ALT_BITSTREAM_READER
+ indx=0;
+#endif
bitstream_get (state, align * 8);
}
--- liba52/bitstream.h 2006-06-12 15:05:07.000000000 +0200
+++ liba52/bitstream.h 2006-06-05 02:23:02.000000000 +0200
@@ -21,6 +25,42 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+/* code from ffmpeg/libavcodec */
+#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 misaligned exceptions on some archs (alpha, ...) */
+#if ARCH_X86 || HAVE_ARMV6
+# define unaligned32(a) (*(uint32_t*)(a))
+#else
+# ifdef __GNUC__
+static 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
@@ -28,7 +68,7 @@
#else
-# if 0 && defined (__i386__)
+# if defined (__i386__)
# define swab32(x) __i386_swab32(x)
static inline const uint32_t __i386_swab32(uint32_t x)
@@ -39,19 +79,34 @@
# 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 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 int indx;
+#endif
+
void a52_bitstream_set_ptr (a52_state_t * state, uint8_t * buf);
uint32_t a52_bitstream_get_bh (a52_state_t * state, uint32_t num_bits);
int32_t a52_bitstream_get_bh_2 (a52_state_t * state, uint32_t num_bits);
static inline uint32_t bitstream_get (a52_state_t * state, uint32_t num_bits)
{
+#ifdef ALT_BITSTREAM_READER
+ uint32_t result= swab32( unaligned32(((uint8_t *)state->buffer_start)+(indx>>3)) );
+
+ result<<= (indx&0x07);
+ result>>= 32 - num_bits;
+ indx+= num_bits;
+
+ return result;
+#else
uint32_t result;
if (num_bits < state->bits_left) {
@@ -61,10 +116,29 @@
}
return a52_bitstream_get_bh (state, num_bits);
+#endif
+}
+
+static inline void bitstream_skip(a52_state_t * state, int num_bits)
+{
+#ifdef ALT_BITSTREAM_READER
+ indx+= num_bits;
+#else
+ bitstream_get(state, num_bits);
+#endif
}
static inline int32_t bitstream_get_2 (a52_state_t * state, uint32_t num_bits)
{
+#ifdef ALT_BITSTREAM_READER
+ int32_t result= swab32( unaligned32(((uint8_t *)state->buffer_start)+(indx>>3)) );
+
+ result<<= (indx&0x07);
+ result>>= 32 - num_bits;
+ indx+= num_bits;
+
+ return result;
+#else
int32_t result;
if (num_bits < state->bits_left) {
@@ -74,4 +148,5 @@
}
return a52_bitstream_get_bh_2 (state, num_bits);
+#endif
}
--- liba52/downmix.c 2006-06-12 15:17:53.000000000 +0200
+++ liba52/downmix.c 2006-06-05 02:23:02.000000000 +0200
@@ -19,18 +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 <string.h>
#include <inttypes.h>
#include "a52.h"
#include "a52_internal.h"
+#include "mm_accel.h"
#define CONVERT(acmod,output) (((output) << 3) + (acmod))
+
+void (*a52_downmix)(sample_t * samples, int acmod, int output, sample_t bias,
+ sample_t clev, sample_t slev)= NULL;
+void (*a52_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)
+{
+ a52_upmix= upmix_C;
+ a52_downmix= downmix_C;
+#if ARCH_X86 || ARCH_X86_64
+ if(mm_accel & MM_ACCEL_X86_MMX) a52_upmix= upmix_MMX;
+ if(mm_accel & MM_ACCEL_X86_SSE) a52_downmix= downmix_SSE;
+ if(mm_accel & MM_ACCEL_X86_3DNOW) a52_downmix= downmix_3dnow;
+#endif
+}
+
int a52_downmix_init (int input, int flags, sample_t * level,
sample_t clev, sample_t slev)
{
@@ -447,7 +479,7 @@
samples[i] = 0;
}
-void a52_downmix (sample_t * samples, int acmod, int output, sample_t bias,
+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)) {
@@ -559,7 +591,7 @@
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;
@@ -583,12 +615,12 @@
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 a52_upmix (sample_t * samples, int acmod, int output)
+void upmix_C (sample_t * samples, int acmod, int output)
{
switch (CONVERT (acmod, output & A52_CHANNEL_MASK)) {
@@ -653,3 +685,1104 @@
goto mix_31to21;
}
}
+
+#if ARCH_X86 || ARCH_X86_64
+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"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movaps (%0, %%"REG_S"), %%xmm0 \n\t"
+ "movaps 16(%0, %%"REG_S"), %%xmm1\n\t"
+ "addps (%1, %%"REG_S"), %%xmm0 \n\t"
+ "addps 16(%1, %%"REG_S"), %%xmm1\n\t"
+ "addps %%xmm7, %%xmm0 \n\t"
+ "addps %%xmm7, %%xmm1 \n\t"
+ "movaps %%xmm0, (%1, %%"REG_S") \n\t"
+ "movaps %%xmm1, 16(%1, %%"REG_S")\n\t"
+ "add $32, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (src+256), "r" (dest+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void mix3to1_SSE (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movaps (%0, %%"REG_S"), %%xmm0 \n\t"
+ "movaps 1024(%0, %%"REG_S"), %%xmm1\n\t"
+ "addps 2048(%0, %%"REG_S"), %%xmm0\n\t"
+ "addps %%xmm7, %%xmm1 \n\t"
+ "addps %%xmm1, %%xmm0 \n\t"
+ "movaps %%xmm0, (%0, %%"REG_S") \n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void mix4to1_SSE (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movaps (%0, %%"REG_S"), %%xmm0 \n\t"
+ "movaps 1024(%0, %%"REG_S"), %%xmm1\n\t"
+ "addps 2048(%0, %%"REG_S"), %%xmm0\n\t"
+ "addps 3072(%0, %%"REG_S"), %%xmm1\n\t"
+ "addps %%xmm7, %%xmm0 \n\t"
+ "addps %%xmm1, %%xmm0 \n\t"
+ "movaps %%xmm0, (%0, %%"REG_S") \n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void mix5to1_SSE (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movaps (%0, %%"REG_S"), %%xmm0 \n\t"
+ "movaps 1024(%0, %%"REG_S"), %%xmm1\n\t"
+ "addps 2048(%0, %%"REG_S"), %%xmm0\n\t"
+ "addps 3072(%0, %%"REG_S"), %%xmm1\n\t"
+ "addps %%xmm7, %%xmm0 \n\t"
+ "addps 4096(%0, %%"REG_S"), %%xmm1\n\t"
+ "addps %%xmm1, %%xmm0 \n\t"
+ "movaps %%xmm0, (%0, %%"REG_S") \n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void mix3to2_SSE (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movaps 1024(%0, %%"REG_S"), %%xmm0\n\t"
+ "addps %%xmm7, %%xmm0 \n\t" //common
+ "movaps (%0, %%"REG_S"), %%xmm1 \n\t"
+ "movaps 2048(%0, %%"REG_S"), %%xmm2\n\t"
+ "addps %%xmm0, %%xmm1 \n\t"
+ "addps %%xmm0, %%xmm2 \n\t"
+ "movaps %%xmm1, (%0, %%"REG_S") \n\t"
+ "movaps %%xmm2, 1024(%0, %%"REG_S")\n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+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"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movaps 1024(%1, %%"REG_S"), %%xmm0\n\t"
+ "addps %%xmm7, %%xmm0 \n\t" //common
+ "movaps (%0, %%"REG_S"), %%xmm1 \n\t"
+ "movaps (%1, %%"REG_S"), %%xmm2 \n\t"
+ "addps %%xmm0, %%xmm1 \n\t"
+ "addps %%xmm0, %%xmm2 \n\t"
+ "movaps %%xmm1, (%0, %%"REG_S") \n\t"
+ "movaps %%xmm2, (%1, %%"REG_S") \n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (left+256), "r" (right+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void mix21toS_SSE (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movaps 2048(%0, %%"REG_S"), %%xmm0\n\t" // surround
+ "movaps (%0, %%"REG_S"), %%xmm1 \n\t"
+ "movaps 1024(%0, %%"REG_S"), %%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, %%"REG_S") \n\t"
+ "movaps %%xmm2, 1024(%0, %%"REG_S")\n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void mix31to2_SSE (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movaps 1024(%0, %%"REG_S"), %%xmm0\n\t"
+ "addps 3072(%0, %%"REG_S"), %%xmm0\n\t"
+ "addps %%xmm7, %%xmm0 \n\t" // common
+ "movaps (%0, %%"REG_S"), %%xmm1 \n\t"
+ "movaps 2048(%0, %%"REG_S"), %%xmm2\n\t"
+ "addps %%xmm0, %%xmm1 \n\t"
+ "addps %%xmm0, %%xmm2 \n\t"
+ "movaps %%xmm1, (%0, %%"REG_S") \n\t"
+ "movaps %%xmm2, 1024(%0, %%"REG_S")\n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void mix31toS_SSE (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movaps 1024(%0, %%"REG_S"), %%xmm0\n\t"
+ "movaps 3072(%0, %%"REG_S"), %%xmm3\n\t" // surround
+ "addps %%xmm7, %%xmm0 \n\t" // common
+ "movaps (%0, %%"REG_S"), %%xmm1 \n\t"
+ "movaps 2048(%0, %%"REG_S"), %%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, %%"REG_S") \n\t"
+ "movaps %%xmm2, 1024(%0, %%"REG_S")\n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void mix22toS_SSE (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movaps 2048(%0, %%"REG_S"), %%xmm0\n\t"
+ "addps 3072(%0, %%"REG_S"), %%xmm0\n\t" // surround
+ "movaps (%0, %%"REG_S"), %%xmm1 \n\t"
+ "movaps 1024(%0, %%"REG_S"), %%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, %%"REG_S") \n\t"
+ "movaps %%xmm2, 1024(%0, %%"REG_S")\n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void mix32to2_SSE (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movaps 1024(%0, %%"REG_S"), %%xmm0\n\t"
+ "addps %%xmm7, %%xmm0 \n\t" // common
+ "movaps %%xmm0, %%xmm1 \n\t" // common
+ "addps (%0, %%"REG_S"), %%xmm0 \n\t"
+ "addps 2048(%0, %%"REG_S"), %%xmm1\n\t"
+ "addps 3072(%0, %%"REG_S"), %%xmm0\n\t"
+ "addps 4096(%0, %%"REG_S"), %%xmm1\n\t"
+ "movaps %%xmm0, (%0, %%"REG_S") \n\t"
+ "movaps %%xmm1, 1024(%0, %%"REG_S")\n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void mix32toS_SSE (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "movlps %1, %%xmm7 \n\t"
+ "shufps $0x00, %%xmm7, %%xmm7 \n\t"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movaps 1024(%0, %%"REG_S"), %%xmm0\n\t"
+ "movaps 3072(%0, %%"REG_S"), %%xmm2\n\t"
+ "addps %%xmm7, %%xmm0 \n\t" // common
+ "addps 4096(%0, %%"REG_S"), %%xmm2\n\t" // surround
+ "movaps (%0, %%"REG_S"), %%xmm1 \n\t"
+ "movaps 2048(%0, %%"REG_S"), %%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, %%"REG_S") \n\t"
+ "movaps %%xmm3, 1024(%0, %%"REG_S")\n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+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"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movaps (%0, %%"REG_S"), %%xmm0 \n\t"
+ "movaps 16(%0, %%"REG_S"), %%xmm1\n\t"
+ "addps 1024(%0, %%"REG_S"), %%xmm0\n\t"
+ "addps 1040(%0, %%"REG_S"), %%xmm1\n\t"
+ "addps %%xmm7, %%xmm0 \n\t"
+ "addps %%xmm7, %%xmm1 \n\t"
+ "movaps %%xmm0, (%1, %%"REG_S") \n\t"
+ "movaps %%xmm1, 16(%1, %%"REG_S")\n\t"
+ "add $32, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (src+256), "r" (dest+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void zero_MMX(sample_t * samples)
+{
+ __asm__ volatile(
+ "mov $-1024, %%"REG_S" \n\t"
+ "pxor %%mm0, %%mm0 \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movq %%mm0, (%0, %%"REG_S") \n\t"
+ "movq %%mm0, 8(%0, %%"REG_S") \n\t"
+ "movq %%mm0, 16(%0, %%"REG_S") \n\t"
+ "movq %%mm0, 24(%0, %%"REG_S") \n\t"
+ "add $32, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ "emms"
+ :: "r" (samples+256)
+ : "%"REG_S
+ );
+}
+
+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"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movq (%0, %%"REG_S"), %%mm0 \n\t"
+ "movq 8(%0, %%"REG_S"), %%mm1 \n\t"
+ "movq 16(%0, %%"REG_S"), %%mm2 \n\t"
+ "movq 24(%0, %%"REG_S"), %%mm3 \n\t"
+ "pfadd (%1, %%"REG_S"), %%mm0 \n\t"
+ "pfadd 8(%1, %%"REG_S"), %%mm1 \n\t"
+ "pfadd 16(%1, %%"REG_S"), %%mm2 \n\t"
+ "pfadd 24(%1, %%"REG_S"), %%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, %%"REG_S") \n\t"
+ "movq %%mm1, 8(%1, %%"REG_S") \n\t"
+ "movq %%mm2, 16(%1, %%"REG_S") \n\t"
+ "movq %%mm3, 24(%1, %%"REG_S") \n\t"
+ "add $32, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (src+256), "r" (dest+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void mix3to1_3dnow (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movq (%0, %%"REG_S"), %%mm0 \n\t"
+ "movq 8(%0, %%"REG_S"), %%mm1 \n\t"
+ "movq 1024(%0, %%"REG_S"), %%mm2\n\t"
+ "movq 1032(%0, %%"REG_S"), %%mm3\n\t"
+ "pfadd 2048(%0, %%"REG_S"), %%mm0\n\t"
+ "pfadd 2056(%0, %%"REG_S"), %%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, %%"REG_S") \n\t"
+ "movq %%mm1, 8(%0, %%"REG_S") \n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void mix4to1_3dnow (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movq (%0, %%"REG_S"), %%mm0 \n\t"
+ "movq 8(%0, %%"REG_S"), %%mm1 \n\t"
+ "movq 1024(%0, %%"REG_S"), %%mm2\n\t"
+ "movq 1032(%0, %%"REG_S"), %%mm3\n\t"
+ "pfadd 2048(%0, %%"REG_S"), %%mm0\n\t"
+ "pfadd 2056(%0, %%"REG_S"), %%mm1\n\t"
+ "pfadd 3072(%0, %%"REG_S"), %%mm2\n\t"
+ "pfadd 3080(%0, %%"REG_S"), %%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, %%"REG_S") \n\t"
+ "movq %%mm1, 8(%0, %%"REG_S") \n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void mix5to1_3dnow (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movq (%0, %%"REG_S"), %%mm0 \n\t"
+ "movq 8(%0, %%"REG_S"), %%mm1 \n\t"
+ "movq 1024(%0, %%"REG_S"), %%mm2\n\t"
+ "movq 1032(%0, %%"REG_S"), %%mm3\n\t"
+ "pfadd 2048(%0, %%"REG_S"), %%mm0\n\t"
+ "pfadd 2056(%0, %%"REG_S"), %%mm1\n\t"
+ "pfadd 3072(%0, %%"REG_S"), %%mm2\n\t"
+ "pfadd 3080(%0, %%"REG_S"), %%mm3\n\t"
+ "pfadd %%mm7, %%mm0 \n\t"
+ "pfadd %%mm7, %%mm1 \n\t"
+ "pfadd 4096(%0, %%"REG_S"), %%mm2\n\t"
+ "pfadd 4104(%0, %%"REG_S"), %%mm3\n\t"
+ "pfadd %%mm2, %%mm0 \n\t"
+ "pfadd %%mm3, %%mm1 \n\t"
+ "movq %%mm0, (%0, %%"REG_S") \n\t"
+ "movq %%mm1, 8(%0, %%"REG_S") \n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void mix3to2_3dnow (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movq 1024(%0, %%"REG_S"), %%mm0\n\t"
+ "movq 1032(%0, %%"REG_S"), %%mm1\n\t"
+ "pfadd %%mm7, %%mm0 \n\t" //common
+ "pfadd %%mm7, %%mm1 \n\t" //common
+ "movq (%0, %%"REG_S"), %%mm2 \n\t"
+ "movq 8(%0, %%"REG_S"), %%mm3 \n\t"
+ "movq 2048(%0, %%"REG_S"), %%mm4\n\t"
+ "movq 2056(%0, %%"REG_S"), %%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, %%"REG_S") \n\t"
+ "movq %%mm3, 8(%0, %%"REG_S") \n\t"
+ "movq %%mm4, 1024(%0, %%"REG_S")\n\t"
+ "movq %%mm5, 1032(%0, %%"REG_S")\n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+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"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movq 1024(%1, %%"REG_S"), %%mm0\n\t"
+ "movq 1032(%1, %%"REG_S"), %%mm1\n\t"
+ "pfadd %%mm7, %%mm0 \n\t" //common
+ "pfadd %%mm7, %%mm1 \n\t" //common
+ "movq (%0, %%"REG_S"), %%mm2 \n\t"
+ "movq 8(%0, %%"REG_S"), %%mm3 \n\t"
+ "movq (%1, %%"REG_S"), %%mm4 \n\t"
+ "movq 8(%1, %%"REG_S"), %%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, %%"REG_S") \n\t"
+ "movq %%mm3, 8(%0, %%"REG_S") \n\t"
+ "movq %%mm4, (%1, %%"REG_S") \n\t"
+ "movq %%mm5, 8(%1, %%"REG_S") \n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (left+256), "r" (right+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void mix21toS_3dnow (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movq 2048(%0, %%"REG_S"), %%mm0\n\t" // surround
+ "movq 2056(%0, %%"REG_S"), %%mm1\n\t" // surround
+ "movq (%0, %%"REG_S"), %%mm2 \n\t"
+ "movq 8(%0, %%"REG_S"), %%mm3 \n\t"
+ "movq 1024(%0, %%"REG_S"), %%mm4\n\t"
+ "movq 1032(%0, %%"REG_S"), %%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, %%"REG_S") \n\t"
+ "movq %%mm3, 8(%0, %%"REG_S") \n\t"
+ "movq %%mm4, 1024(%0, %%"REG_S")\n\t"
+ "movq %%mm5, 1032(%0, %%"REG_S")\n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void mix31to2_3dnow (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movq 1024(%0, %%"REG_S"), %%mm0\n\t"
+ "movq 1032(%0, %%"REG_S"), %%mm1\n\t"
+ "pfadd 3072(%0, %%"REG_S"), %%mm0\n\t"
+ "pfadd 3080(%0, %%"REG_S"), %%mm1\n\t"
+ "pfadd %%mm7, %%mm0 \n\t" // common
+ "pfadd %%mm7, %%mm1 \n\t" // common
+ "movq (%0, %%"REG_S"), %%mm2 \n\t"
+ "movq 8(%0, %%"REG_S"), %%mm3 \n\t"
+ "movq 2048(%0, %%"REG_S"), %%mm4\n\t"
+ "movq 2056(%0, %%"REG_S"), %%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, %%"REG_S") \n\t"
+ "movq %%mm3, 8(%0, %%"REG_S") \n\t"
+ "movq %%mm4, 1024(%0, %%"REG_S")\n\t"
+ "movq %%mm5, 1032(%0, %%"REG_S")\n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void mix31toS_3dnow (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movq 1024(%0, %%"REG_S"), %%mm0\n\t"
+ "movq 1032(%0, %%"REG_S"), %%mm1\n\t"
+ "pfadd %%mm7, %%mm0 \n\t" // common
+ "pfadd %%mm7, %%mm1 \n\t" // common
+ "movq (%0, %%"REG_S"), %%mm2 \n\t"
+ "movq 8(%0, %%"REG_S"), %%mm3 \n\t"
+ "movq 2048(%0, %%"REG_S"), %%mm4\n\t"
+ "movq 2056(%0, %%"REG_S"), %%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, %%"REG_S"), %%mm0\n\t" // surround
+ "movq 3080(%0, %%"REG_S"), %%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, %%"REG_S") \n\t"
+ "movq %%mm3, 8(%0, %%"REG_S") \n\t"
+ "movq %%mm4, 1024(%0, %%"REG_S")\n\t"
+ "movq %%mm5, 1032(%0, %%"REG_S")\n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void mix22toS_3dnow (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movq 2048(%0, %%"REG_S"), %%mm0\n\t"
+ "movq 2056(%0, %%"REG_S"), %%mm1\n\t"
+ "pfadd 3072(%0, %%"REG_S"), %%mm0\n\t" // surround
+ "pfadd 3080(%0, %%"REG_S"), %%mm1\n\t" // surround
+ "movq (%0, %%"REG_S"), %%mm2 \n\t"
+ "movq 8(%0, %%"REG_S"), %%mm3 \n\t"
+ "movq 1024(%0, %%"REG_S"), %%mm4\n\t"
+ "movq 1032(%0, %%"REG_S"), %%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, %%"REG_S") \n\t"
+ "movq %%mm3, 8(%0, %%"REG_S") \n\t"
+ "movq %%mm4, 1024(%0, %%"REG_S")\n\t"
+ "movq %%mm5, 1032(%0, %%"REG_S")\n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+static void mix32to2_3dnow (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movq 1024(%0, %%"REG_S"), %%mm0\n\t"
+ "movq 1032(%0, %%"REG_S"), %%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, %%"REG_S"), %%mm0 \n\t"
+ "pfadd 8(%0, %%"REG_S"), %%mm1 \n\t"
+ "pfadd 2048(%0, %%"REG_S"), %%mm2\n\t"
+ "pfadd 2056(%0, %%"REG_S"), %%mm3\n\t"
+ "pfadd 3072(%0, %%"REG_S"), %%mm0\n\t"
+ "pfadd 3080(%0, %%"REG_S"), %%mm1\n\t"
+ "pfadd 4096(%0, %%"REG_S"), %%mm2\n\t"
+ "pfadd 4104(%0, %%"REG_S"), %%mm3\n\t"
+ "movq %%mm0, (%0, %%"REG_S") \n\t"
+ "movq %%mm1, 8(%0, %%"REG_S") \n\t"
+ "movq %%mm2, 1024(%0, %%"REG_S")\n\t"
+ "movq %%mm3, 1032(%0, %%"REG_S")\n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+/* todo: should be optimized better */
+static void mix32toS_3dnow (sample_t * samples, sample_t bias)
+{
+ __asm__ volatile(
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movd %1, %%mm7 \n\t"
+ "punpckldq %1, %%mm7 \n\t"
+ "movq 1024(%0, %%"REG_S"), %%mm0\n\t"
+ "movq 1032(%0, %%"REG_S"), %%mm1\n\t"
+ "movq 3072(%0, %%"REG_S"), %%mm4\n\t"
+ "movq 3080(%0, %%"REG_S"), %%mm5\n\t"
+ "pfadd %%mm7, %%mm0 \n\t" // common
+ "pfadd %%mm7, %%mm1 \n\t" // common
+ "pfadd 4096(%0, %%"REG_S"), %%mm4\n\t" // surround
+ "pfadd 4104(%0, %%"REG_S"), %%mm5\n\t" // surround
+ "movq (%0, %%"REG_S"), %%mm2 \n\t"
+ "movq 8(%0, %%"REG_S"), %%mm3 \n\t"
+ "movq 2048(%0, %%"REG_S"), %%mm6\n\t"
+ "movq 2056(%0, %%"REG_S"), %%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, %%"REG_S") \n\t"
+ "movq %%mm3, 8(%0, %%"REG_S") \n\t"
+ "movq %%mm6, 1024(%0, %%"REG_S")\n\t"
+ "movq %%mm7, 1032(%0, %%"REG_S")\n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (samples+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+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"
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movq (%0, %%"REG_S"), %%mm0 \n\t"
+ "movq 8(%0, %%"REG_S"), %%mm1 \n\t"
+ "movq 16(%0, %%"REG_S"), %%mm2 \n\t"
+ "movq 24(%0, %%"REG_S"), %%mm3 \n\t"
+ "pfadd 1024(%0, %%"REG_S"), %%mm0\n\t"
+ "pfadd 1032(%0, %%"REG_S"), %%mm1\n\t"
+ "pfadd 1040(%0, %%"REG_S"), %%mm2\n\t"
+ "pfadd 1048(%0, %%"REG_S"), %%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, %%"REG_S") \n\t"
+ "movq %%mm1, 8(%1, %%"REG_S") \n\t"
+ "movq %%mm2, 16(%1, %%"REG_S") \n\t"
+ "movq %%mm3, 24(%1, %%"REG_S") \n\t"
+ "add $32, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (src+256), "r" (dest+256), "m" (bias)
+ : "%"REG_S
+ );
+}
+
+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 || ARCH_X86_64
--- liba52/imdct.c 2008-02-19 00:18:33.000000000 +0100
+++ liba52/imdct.c 2008-02-19 00:16:40.000000000 +0100
@@ -22,6 +26,11 @@
* 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"
@@ -39,12 +48,50 @@
#include "a52.h"
#include "a52_internal.h"
#include "mm_accel.h"
+#include "mangle.h"
+
+void (*a52_imdct_512) (sample_t * data, sample_t * delay, sample_t bias);
+
+#if CONFIG_RUNTIME_CPUDETECT
+#undef HAVE_AMD3DNOWEXT
+#define HAVE_AMD3DNOWEXT 0
+#endif
typedef struct complex_s {
sample_t real;
sample_t imag;
} complex_t;
+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
+};
+
+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,
+ 0x0c, 0x4c, 0x2c, 0x6c, 0x1c, 0x5c, 0x3c, 0x7c,
+ 0x02, 0x42, 0x22, 0x62, 0x12, 0x52, 0x32, 0x72,
+ 0x0a, 0x4a, 0x2a, 0x6a, 0x1a, 0x5a, 0x3a, 0x7a,
+ 0x06, 0x46, 0x26, 0x66, 0x16, 0x56, 0x36, 0x76,
+ 0x0e, 0x4e, 0x2e, 0x6e, 0x1e, 0x5e, 0x3e, 0x7e,
+ 0x01, 0x41, 0x21, 0x61, 0x11, 0x51, 0x31, 0x71,
+ 0x09, 0x49, 0x29, 0x69, 0x19, 0x59, 0x39, 0x79,
+ 0x05, 0x45, 0x25, 0x65, 0x15, 0x55, 0x35, 0x75,
+ 0x0d, 0x4d, 0x2d, 0x6d, 0x1d, 0x5d, 0x3d, 0x7d,
+ 0x03, 0x43, 0x23, 0x63, 0x13, 0x53, 0x33, 0x73,
+ 0x0b, 0x4b, 0x2b, 0x6b, 0x1b, 0x5b, 0x3b, 0x7b,
+ 0x07, 0x47, 0x27, 0x67, 0x17, 0x57, 0x37, 0x77,
+ 0x0f, 0x4f, 0x2f, 0x6f, 0x1f, 0x5f, 0x3f, 0x7f};
+
static uint8_t fftorder[] = {
0,128, 64,192, 32,160,224, 96, 16,144, 80,208,240,112, 48,176,
8,136, 72,200, 40,168,232,104,248,120, 56,184, 24,152,216, 88,
@@ -56,6 +103,40 @@
6,134, 70,198, 38,166,230,102,246,118, 54,182, 22,150,214, 86
};
+static complex_t __attribute__((aligned(16))) buf[128];
+
+/* Twiddle factor LUT */
+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 __attribute__((aligned(16))) xcos1[128];
+static sample_t __attribute__((aligned(16))) xsin1[128];
+
+#if ARCH_X86 || ARCH_X86_64
+// NOTE: SSE needs 16byte alignment or it will segfault
+//
+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];
+#endif
+
/* Root values for IFFT */
static sample_t roots16[3];
static sample_t roots32[7];
@@ -241,7 +322,7 @@
ifft_pass (buf, roots128 - 32, 32);
}
-void a52_imdct_512 (sample_t * data, sample_t * delay, sample_t bias)
+void imdct_do_512 (sample_t * data, sample_t * delay, sample_t bias)
{
int i, k;
sample_t t_r, t_i, a_r, a_i, b_r, b_i, w_1, w_2;
@@ -285,6 +366,702 @@
}
}
+#if HAVE_ALTIVEC
+
+#ifdef HAVE_ALTIVEC_H
+#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
+
+#define vcprm(a,b,c,d) (const vector unsigned char){WORD_ ## a, WORD_ ## b, WORD_ ## c, WORD_ ## d}
+#define vcii(a,b,c,d) (const vector float){FLOAT_ ## a, FLOAT_ ## b, FLOAT_ ## c, FLOAT_ ## d}
+
+#define FOUROF(a) {a,a,a,a}
+
+// 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.
+
+
+void
+imdct_do_512_altivec(sample_t data[],sample_t delay[], sample_t bias)
+{
+ int i;
+ int k;
+ int p,q;
+ int m;
+ long two_m;
+ long 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 = a52_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"
+#if ARCH_X86 || ARCH_X86_64
+#undef HAVE_AMD3DNOW
+#define HAVE_AMD3DNOW 1
+#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_AMD3DNOWEXT
+#define HAVE_AMD3DNOWEXT 0
+#include "imdct_3dnow.h"
+#undef HAVE_AMD3DNOWEXT
+#define HAVE_AMD3DNOWEXT 1
+#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;
+ long two_m;
+ long two_m_plus_one;
+ long two_m_plus_one_shl3;
+ complex_t *buf_offset;
+
+/* 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(
+ "xor %%"REG_S", %%"REG_S" \n\t"
+ "lea "MANGLE(bit_reverse_512)", %%"REG_a"\n\t"
+ "mov $1008, %%"REG_D" \n\t"
+ "push %%"REG_BP" \n\t" //use ebp without telling gcc
+ ASMALIGN(4)
+ "1: \n\t"
+ "movlps (%0, %%"REG_S"), %%xmm0 \n\t" // XXXI
+ "movhps 8(%0, %%"REG_D"), %%xmm0 \n\t" // RXXI
+ "movlps 8(%0, %%"REG_S"), %%xmm1 \n\t" // XXXi
+ "movhps (%0, %%"REG_D"), %%xmm1 \n\t" // rXXi
+ "shufps $0x33, %%xmm1, %%xmm0 \n\t" // irIR
+ "movaps "MANGLE(sseSinCos1c)"(%%"REG_S"), %%xmm2\n\t"
+ "mulps %%xmm0, %%xmm2 \n\t"
+ "shufps $0xB1, %%xmm0, %%xmm0 \n\t" // riRI
+ "mulps "MANGLE(sseSinCos1d)"(%%"REG_S"), %%xmm0\n\t"
+ "subps %%xmm0, %%xmm2 \n\t"
+ "movzb (%%"REG_a"), %%"REG_d" \n\t"
+ "movzb 1(%%"REG_a"), %%"REG_BP" \n\t"
+ "movlps %%xmm2, (%1, %%"REG_d", 8) \n\t"
+ "movhps %%xmm2, (%1, %%"REG_BP", 8) \n\t"
+ "add $16, %%"REG_S" \n\t"
+ "add $2, %%"REG_a" \n\t" // avoid complex addressing for P4 crap
+ "sub $16, %%"REG_D" \n\t"
+ "jnc 1b \n\t"
+ "pop %%"REG_BP" \n\t"//no we didnt touch ebp *g*
+ :: "b" (data), "c" (buf)
+ : "%"REG_S, "%"REG_D, "%"REG_a, "%"REG_d
+ );
+
+
+ /* 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"
+ "mov %0, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movlps (%%"REG_S"), %%xmm0\n\t" //buf[p]
+ "movlps 8(%%"REG_S"), %%xmm1\n\t" //buf[q]
+ "movhps (%%"REG_S"), %%xmm0\n\t" //buf[p]
+ "movhps 8(%%"REG_S"), %%xmm2\n\t" //buf[q]
+ "addps %%xmm1, %%xmm0 \n\t"
+ "subps %%xmm2, %%xmm0 \n\t"
+ "movaps %%xmm0, (%%"REG_S")\n\t"
+ "add $16, %%"REG_S" \n\t"
+ "cmp %1, %%"REG_S" \n\t"
+ " jb 1b \n\t"
+ :: "g" (buf), "r" (buf + 128)
+ : "%"REG_S
+ );
+
+ /* 2. iteration */
+ // Note w[1]={{1,0}, {0,-1}}
+ __asm__ volatile(
+ "movaps "MANGLE(ps111_1)", %%xmm7\n\t" // 1,1,1,-1
+ "mov %0, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movaps 16(%%"REG_S"), %%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 (%%"REG_S"), %%xmm0 \n\t" //r0,i0,r1,i1
+ "movaps (%%"REG_S"), %%xmm1 \n\t" //r0,i0,r1,i1
+ "addps %%xmm2, %%xmm0 \n\t"
+ "subps %%xmm2, %%xmm1 \n\t"
+ "movaps %%xmm0, (%%"REG_S") \n\t"
+ "movaps %%xmm1, 16(%%"REG_S") \n\t"
+ "add $32, %%"REG_S" \n\t"
+ "cmp %1, %%"REG_S" \n\t"
+ " jb 1b \n\t"
+ :: "g" (buf), "r" (buf + 128)
+ : "%"REG_S
+ );
+
+ /* 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"
+ "mov %0, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movaps 32(%%"REG_S"), %%xmm2 \n\t" //r4,i4,r5,i5
+ "movaps 48(%%"REG_S"), %%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 (%%"REG_S"), %%xmm0 \n\t" //r0,i0,r1,i1
+ "movaps 16(%%"REG_S"), %%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, (%%"REG_S") \n\t"
+ "movaps %%xmm3, 16(%%"REG_S") \n\t"
+ "movaps %%xmm0, 32(%%"REG_S") \n\t"
+ "movaps %%xmm1, 48(%%"REG_S") \n\t"
+ "add $64, %%"REG_S" \n\t"
+ "cmp %1, %%"REG_S" \n\t"
+ " jb 1b \n\t"
+ :: "g" (buf), "r" (buf + 128)
+ : "%"REG_S
+ );
+
+ /* 4-7. iterations */
+ for (m=3; m < 7; m++) {
+ two_m = (1 << m);
+ two_m_plus_one = two_m<<1;
+ two_m_plus_one_shl3 = (two_m_plus_one<<3);
+ buf_offset = buf+128;
+ __asm__ volatile(
+ "mov %0, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "xor %%"REG_D", %%"REG_D" \n\t" // k
+ "lea (%%"REG_S", %3), %%"REG_d" \n\t"
+ "2: \n\t"
+ "movaps (%%"REG_d", %%"REG_D"), %%xmm1 \n\t"
+ "movaps (%4, %%"REG_D", 2), %%xmm2 \n\t"
+ "mulps %%xmm1, %%xmm2 \n\t"
+ "shufps $0xB1, %%xmm1, %%xmm1 \n\t"
+ "mulps 16(%4, %%"REG_D", 2), %%xmm1 \n\t"
+ "movaps (%%"REG_S", %%"REG_D"), %%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, (%%"REG_S", %%"REG_D") \n\t"
+ "movaps %%xmm0, (%%"REG_d", %%"REG_D") \n\t"
+ "add $16, %%"REG_D" \n\t"
+ "cmp %3, %%"REG_D" \n\t" //FIXME (opt) count against 0
+ "jb 2b \n\t"
+ "add %2, %%"REG_S" \n\t"
+ "cmp %1, %%"REG_S" \n\t"
+ " jb 1b \n\t"
+ :: "g" (buf), "m" (buf_offset), "m" (two_m_plus_one_shl3), "r" (two_m<<3),
+ "r" (sseW[m])
+ : "%"REG_S, "%"REG_D, "%"REG_d
+ );
+ }
+
+ /* Post IFFT complex multiply plus IFFT complex conjugate*/
+ __asm__ volatile(
+ "mov $-1024, %%"REG_S" \n\t"
+ ASMALIGN(4)
+ "1: \n\t"
+ "movaps (%0, %%"REG_S"), %%xmm0 \n\t"
+ "movaps (%0, %%"REG_S"), %%xmm1 \n\t"
+ "shufps $0xB1, %%xmm0, %%xmm0 \n\t"
+ "mulps 1024+"MANGLE(sseSinCos1c)"(%%"REG_S"), %%xmm1\n\t"
+ "mulps 1024+"MANGLE(sseSinCos1d)"(%%"REG_S"), %%xmm0\n\t"
+ "addps %%xmm1, %%xmm0 \n\t"
+ "movaps %%xmm0, (%0, %%"REG_S") \n\t"
+ "add $16, %%"REG_S" \n\t"
+ " jnz 1b \n\t"
+ :: "r" (buf+128)
+ : "%"REG_S
+ );
+
+
+ data_ptr = data;
+ delay_ptr = delay;
+ window_ptr = a52_imdct_window;
+
+ /* Window and convert to real valued signal */
+ __asm__ volatile(
+ "xor %%"REG_D", %%"REG_D" \n\t" // 0
+ "xor %%"REG_S", %%"REG_S" \n\t" // 0
+ "movss %3, %%xmm2 \n\t" // bias
+ "shufps $0x00, %%xmm2, %%xmm2 \n\t" // bias, bias, ...
+ ASMALIGN(4)
+ "1: \n\t"
+ "movlps (%0, %%"REG_S"), %%xmm0 \n\t" // ? ? A ?
+ "movlps 8(%0, %%"REG_S"), %%xmm1 \n\t" // ? ? C ?
+ "movhps -16(%0, %%"REG_D"), %%xmm1 \n\t" // ? D C ?
+ "movhps -8(%0, %%"REG_D"), %%xmm0 \n\t" // ? B A ?
+ "shufps $0x99, %%xmm1, %%xmm0 \n\t" // D C B A
+ "mulps "MANGLE(sseWindow)"(%%"REG_S"), %%xmm0\n\t"
+ "addps (%2, %%"REG_S"), %%xmm0 \n\t"
+ "addps %%xmm2, %%xmm0 \n\t"
+ "movaps %%xmm0, (%1, %%"REG_S") \n\t"
+ "add $16, %%"REG_S" \n\t"
+ "sub $16, %%"REG_D" \n\t"
+ "cmp $512, %%"REG_S" \n\t"
+ " jb 1b \n\t"
+ :: "r" (buf+64), "r" (data_ptr), "r" (delay_ptr), "m" (bias)
+ : "%"REG_S, "%"REG_D
+ );
+ data_ptr+=128;
+ delay_ptr+=128;
+// window_ptr+=128;
+
+ __asm__ volatile(
+ "mov $1024, %%"REG_D" \n\t" // 512
+ "xor %%"REG_S", %%"REG_S" \n\t" // 0
+ "movss %3, %%xmm2 \n\t" // bias
+ "shufps $0x00, %%xmm2, %%xmm2 \n\t" // bias, bias, ...
+ ASMALIGN(4)
+ "1: \n\t"
+ "movlps (%0, %%"REG_S"), %%xmm0 \n\t" // ? ? ? A
+ "movlps 8(%0, %%"REG_S"), %%xmm1 \n\t" // ? ? ? C
+ "movhps -16(%0, %%"REG_D"), %%xmm1 \n\t" // D ? ? C
+ "movhps -8(%0, %%"REG_D"), %%xmm0 \n\t" // B ? ? A
+ "shufps $0xCC, %%xmm1, %%xmm0 \n\t" // D C B A
+ "mulps 512+"MANGLE(sseWindow)"(%%"REG_S"), %%xmm0\n\t"
+ "addps (%2, %%"REG_S"), %%xmm0 \n\t"
+ "addps %%xmm2, %%xmm0 \n\t"
+ "movaps %%xmm0, (%1, %%"REG_S") \n\t"
+ "add $16, %%"REG_S" \n\t"
+ "sub $16, %%"REG_D" \n\t"
+ "cmp $512, %%"REG_S" \n\t"
+ " jb 1b \n\t"
+ :: "r" (buf), "r" (data_ptr), "r" (delay_ptr), "m" (bias)
+ : "%"REG_S, "%"REG_D
+ );
+ data_ptr+=128;
+// window_ptr+=128;
+
+ /* The trailing edge of the window goes into the delay line */
+ delay_ptr = delay;
+
+ __asm__ volatile(
+ "xor %%"REG_D", %%"REG_D" \n\t" // 0
+ "xor %%"REG_S", %%"REG_S" \n\t" // 0
+ ASMALIGN(4)
+ "1: \n\t"
+ "movlps (%0, %%"REG_S"), %%xmm0 \n\t" // ? ? ? A
+ "movlps 8(%0, %%"REG_S"), %%xmm1 \n\t" // ? ? ? C
+ "movhps -16(%0, %%"REG_D"), %%xmm1 \n\t" // D ? ? C
+ "movhps -8(%0, %%"REG_D"), %%xmm0 \n\t" // B ? ? A
+ "shufps $0xCC, %%xmm1, %%xmm0 \n\t" // D C B A
+ "mulps 1024+"MANGLE(sseWindow)"(%%"REG_S"), %%xmm0\n\t"
+ "movaps %%xmm0, (%1, %%"REG_S") \n\t"
+ "add $16, %%"REG_S" \n\t"
+ "sub $16, %%"REG_D" \n\t"
+ "cmp $512, %%"REG_S" \n\t"
+ " jb 1b \n\t"
+ :: "r" (buf+64), "r" (delay_ptr)
+ : "%"REG_S, "%"REG_D
+ );
+ delay_ptr+=128;
+// window_ptr-=128;
+
+ __asm__ volatile(
+ "mov $1024, %%"REG_D" \n\t" // 1024
+ "xor %%"REG_S", %%"REG_S" \n\t" // 0
+ ASMALIGN(4)
+ "1: \n\t"
+ "movlps (%0, %%"REG_S"), %%xmm0 \n\t" // ? ? A ?
+ "movlps 8(%0, %%"REG_S"), %%xmm1 \n\t" // ? ? C ?
+ "movhps -16(%0, %%"REG_D"), %%xmm1 \n\t" // ? D C ?
+ "movhps -8(%0, %%"REG_D"), %%xmm0 \n\t" // ? B A ?
+ "shufps $0x99, %%xmm1, %%xmm0 \n\t" // D C B A
+ "mulps 1536+"MANGLE(sseWindow)"(%%"REG_S"), %%xmm0\n\t"
+ "movaps %%xmm0, (%1, %%"REG_S") \n\t"
+ "add $16, %%"REG_S" \n\t"
+ "sub $16, %%"REG_D" \n\t"
+ "cmp $512, %%"REG_S" \n\t"
+ " jb 1b \n\t"
+ :: "r" (buf), "r" (delay_ptr)
+ : "%"REG_S, "%"REG_D
+ );
+}
+#endif // ARCH_X86 || ARCH_X86_64
+
void a52_imdct_256(sample_t * data, sample_t * delay, sample_t bias)
{
int i, k;
@@ -364,7 +1141,7 @@
void a52_imdct_init (uint32_t mm_accel)
{
- int i, k;
+ int i, j, k;
double sum;
/* compute imdct window - kaiser-bessel derived window, alpha = 5.0 */
@@ -416,6 +1193,99 @@
post2[i].real = cos ((M_PI / 128) * (i + 0.5));
post2[i].imag = sin ((M_PI / 128) * (i + 0.5));
}
+ for (i = 0; i < 128; i++) {
+ xcos1[i] = -cos ((M_PI / 2048) * (8 * i + 1));
+ xsin1[i] = -sin ((M_PI / 2048) * (8 * i + 1));
+ }
+ for (i = 0; i < 7; i++) {
+ j = 1 << i;
+ for (k = 0; k < j; k++) {
+ w[i][k].real = cos (-M_PI * k / j);
+ w[i][k].imag = sin (-M_PI * k / j);
+ }
+ }
+#if ARCH_X86 || ARCH_X86_64
+ 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];
+ }
+ 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]= -a52_imdct_window[2*i+0];
+ sseWindow[2*i+1]= a52_imdct_window[2*i+1];
+ }
+
+ for(i=0; i<64; i++)
+ {
+ sseWindow[256 + 2*i+0]= -a52_imdct_window[254 - 2*i+1];
+ sseWindow[256 + 2*i+1]= a52_imdct_window[254 - 2*i+0];
+ sseWindow[384 + 2*i+0]= a52_imdct_window[126 - 2*i+1];
+ sseWindow[384 + 2*i+1]= -a52_imdct_window[126 - 2*i+0];
+ }
+#endif
+ a52_imdct_512 = imdct_do_512;
+ ifft128 = ifft128_c;
+ ifft64 = ifft64_c;
+
+#if ARCH_X86 || ARCH_X86_64
+ if(mm_accel & MM_ACCEL_X86_SSE)
+ {
+ fprintf (stderr, "Using SSE optimized IMDCT transform\n");
+ a52_imdct_512 = imdct_do_512_sse;
+ }
+ else
+ if(mm_accel & MM_ACCEL_X86_3DNOWEXT)
+ {
+ fprintf (stderr, "Using 3DNowEx optimized IMDCT transform\n");
+ a52_imdct_512 = imdct_do_512_3dnowex;
+ }
+ else
+ if(mm_accel & MM_ACCEL_X86_3DNOW)
+ {
+ fprintf (stderr, "Using 3DNow optimized IMDCT transform\n");
+ a52_imdct_512 = imdct_do_512_3dnow;
+ }
+ else
+#endif // ARCH_X86 || ARCH_X86_64
+#if HAVE_ALTIVEC
+ if (mm_accel & MM_ACCEL_PPC_ALTIVEC)
+ {
+ fprintf(stderr, "Using AltiVec optimized IMDCT transform\n");
+ a52_imdct_512 = imdct_do_512_altivec;
+ }
+ else
+#endif
#ifdef LIBA52_DJBFFT
if (mm_accel & MM_ACCEL_DJBFFT) {
@@ -426,7 +1296,5 @@
#endif
{
fprintf (stderr, "No accelerated IMDCT transform found\n");
- ifft128 = ifft128_c;
- ifft64 = ifft64_c;
}
}
--- include/mm_accel.h 2006-06-12 15:05:00.000000000 +0200
+++ liba52/mm_accel.h 2006-06-05 02:23:04.000000000 +0200
@@ -30,7 +34,12 @@
/* 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);
--- liba52/parse.c 2006-12-05 08:08:01.000000000 +0100
+++ liba52/parse.c 2006-12-05 08:08:44.000000000 +0100
@@ -24,6 +28,7 @@
#include "config.h"
#include <stdlib.h>
+#include <stdio.h>
#include <string.h>
#include <inttypes.h>
@@ -31,13 +36,12 @@
#include "a52_internal.h"
#include "bitstream.h"
#include "tables.h"
+#include "mm_accel.h"
+#include "libavutil/avutil.h"
-#ifdef HAVE_MEMALIGN
+#if 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 {
@@ -60,7 +64,16 @@
if (state == NULL)
return NULL;
+#if defined(__MINGW32__) && defined(HAVE_SSE)
+ state->samples = av_malloc(256 * 12 * sizeof (sample_t));
+#else
state->samples = memalign (16, 256 * 12 * sizeof (sample_t));
+#endif
+ if(((int)state->samples%16) && (mm_accel&MM_ACCEL_X86_SSE)){
+ mm_accel &=~MM_ACCEL_X86_SSE;
+ fprintf(stderr, "liba52: unable to get 16 byte aligned memory disabling usage of SSE instructions\n");
+ }
+
if (state->samples == NULL) {
free (state);
return NULL;
@@ -74,6 +87,7 @@
state->lfsr_state = 1;
a52_imdct_init (mm_accel);
+ downmix_accel_init(mm_accel);
return state;
}
@@ -141,7 +155,7 @@
state->acmod = acmod = buf[6] >> 5;
a52_bitstream_set_ptr (state, buf + 6);
- bitstream_get (state, 3); /* skip acmod we already parsed */
+ bitstream_skip (state, 3); /* skip acmod we already parsed */
if ((acmod == 2) && (bitstream_get (state, 2) == 2)) /* dsurmod */
acmod = A52_DOLBY;
@@ -172,28 +186,28 @@
chaninfo = !acmod;
do {
- bitstream_get (state, 5); /* dialnorm */
+ bitstream_skip (state, 5); /* dialnorm */
if (bitstream_get (state, 1)) /* compre */
- bitstream_get (state, 8); /* compr */
+ bitstream_skip (state, 8); /* compr */
if (bitstream_get (state, 1)) /* langcode */
- bitstream_get (state, 8); /* langcod */
+ bitstream_skip (state, 8); /* langcod */
if (bitstream_get (state, 1)) /* audprodie */
- bitstream_get (state, 7); /* mixlevel + roomtyp */
+ bitstream_skip (state, 7); /* mixlevel + roomtyp */
} while (chaninfo--);
- bitstream_get (state, 2); /* copyrightb + origbs */
+ bitstream_skip (state, 2); /* copyrightb + origbs */
if (bitstream_get (state, 1)) /* timecod1e */
- bitstream_get (state, 14); /* timecod1 */
+ bitstream_skip (state, 14); /* timecod1 */
if (bitstream_get (state, 1)) /* timecod2e */
- bitstream_get (state, 14); /* timecod2 */
+ bitstream_skip (state, 14); /* timecod2 */
if (bitstream_get (state, 1)) { /* addbsie */
int addbsil;
addbsil = bitstream_get (state, 6);
do {
- bitstream_get (state, 8); /* addbsi */
+ bitstream_skip (state, 8); /* addbsi */
} while (addbsil--);
}
@@ -680,7 +694,7 @@
state->fbw_expbap[i].exp[0],
state->fbw_expbap[i].exp + 1))
return 1;
- bitstream_get (state, 2); /* gainrng */
+ bitstream_skip (state, 2); /* gainrng */
}
if (lfeexpstr != EXP_REUSE) {
do_bit_alloc |= 32;
@@ -755,7 +769,7 @@
if (bitstream_get (state, 1)) { /* skiple */
i = bitstream_get (state, 9); /* skipl */
while (i--)
- bitstream_get (state, 8);
+ bitstream_skip (state, 8);
}
samples = state->samples;
@@ -896,6 +910,10 @@
void a52_free (a52_state_t * state)
{
- free (state->samples);
+#if defined(__MINGW32__) && defined(HAVE_SSE)
+ av_free (state->samples);
+#else
+ free (state->samples);
+#endif
free (state);
}
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