/*
- * x86-optimized AC-3 DSP utils
+ * x86-optimized AC-3 DSP functions
* Copyright (c) 2011 Justin Ruggles
*
* This file is part of Libav.
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "libavutil/attributes.h"
#include "libavutil/mem.h"
#include "libavutil/x86/asm.h"
#include "libavutil/x86/cpu.h"
-#include "dsputil_mmx.h"
+#include "dsputil_x86.h"
#include "libavcodec/ac3.h"
#include "libavcodec/ac3dsp.h"
-extern void ff_ac3_exponent_min_mmx (uint8_t *exp, int num_reuse_blocks, int nb_coefs);
-extern void ff_ac3_exponent_min_mmxext(uint8_t *exp, int num_reuse_blocks, int nb_coefs);
-extern void ff_ac3_exponent_min_sse2 (uint8_t *exp, int num_reuse_blocks, int nb_coefs);
+void ff_ac3_exponent_min_mmx (uint8_t *exp, int num_reuse_blocks, int nb_coefs);
+void ff_ac3_exponent_min_mmxext(uint8_t *exp, int num_reuse_blocks, int nb_coefs);
+void ff_ac3_exponent_min_sse2 (uint8_t *exp, int num_reuse_blocks, int nb_coefs);
-extern int ff_ac3_max_msb_abs_int16_mmx (const int16_t *src, int len);
-extern int ff_ac3_max_msb_abs_int16_mmxext(const int16_t *src, int len);
-extern int ff_ac3_max_msb_abs_int16_sse2 (const int16_t *src, int len);
-extern int ff_ac3_max_msb_abs_int16_ssse3(const int16_t *src, int len);
+int ff_ac3_max_msb_abs_int16_mmx (const int16_t *src, int len);
+int ff_ac3_max_msb_abs_int16_mmxext(const int16_t *src, int len);
+int ff_ac3_max_msb_abs_int16_sse2 (const int16_t *src, int len);
+int ff_ac3_max_msb_abs_int16_ssse3(const int16_t *src, int len);
-extern void ff_ac3_lshift_int16_mmx (int16_t *src, unsigned int len, unsigned int shift);
-extern void ff_ac3_lshift_int16_sse2(int16_t *src, unsigned int len, unsigned int shift);
+void ff_ac3_lshift_int16_mmx (int16_t *src, unsigned int len, unsigned int shift);
+void ff_ac3_lshift_int16_sse2(int16_t *src, unsigned int len, unsigned int shift);
-extern void ff_ac3_rshift_int32_mmx (int32_t *src, unsigned int len, unsigned int shift);
-extern void ff_ac3_rshift_int32_sse2(int32_t *src, unsigned int len, unsigned int shift);
+void ff_ac3_rshift_int32_mmx (int32_t *src, unsigned int len, unsigned int shift);
+void ff_ac3_rshift_int32_sse2(int32_t *src, unsigned int len, unsigned int shift);
-extern void ff_float_to_fixed24_3dnow(int32_t *dst, const float *src, unsigned int len);
-extern void ff_float_to_fixed24_sse (int32_t *dst, const float *src, unsigned int len);
-extern void ff_float_to_fixed24_sse2 (int32_t *dst, const float *src, unsigned int len);
+void ff_float_to_fixed24_3dnow(int32_t *dst, const float *src, unsigned int len);
+void ff_float_to_fixed24_sse (int32_t *dst, const float *src, unsigned int len);
+void ff_float_to_fixed24_sse2 (int32_t *dst, const float *src, unsigned int len);
-extern int ff_ac3_compute_mantissa_size_sse2(uint16_t mant_cnt[6][16]);
+int ff_ac3_compute_mantissa_size_sse2(uint16_t mant_cnt[6][16]);
-extern void ff_ac3_extract_exponents_3dnow(uint8_t *exp, int32_t *coef, int nb_coefs);
-extern void ff_ac3_extract_exponents_sse2 (uint8_t *exp, int32_t *coef, int nb_coefs);
-extern void ff_ac3_extract_exponents_ssse3(uint8_t *exp, int32_t *coef, int nb_coefs);
+void ff_ac3_extract_exponents_3dnow(uint8_t *exp, int32_t *coef, int nb_coefs);
+void ff_ac3_extract_exponents_sse2 (uint8_t *exp, int32_t *coef, int nb_coefs);
+void ff_ac3_extract_exponents_ssse3(uint8_t *exp, int32_t *coef, int nb_coefs);
-#if HAVE_SSE_INLINE
+void ff_apply_window_int16_round_mmxext(int16_t *output, const int16_t *input,
+ const int16_t *window, unsigned int len);
+void ff_apply_window_int16_round_sse2(int16_t *output, const int16_t *input,
+ const int16_t *window, unsigned int len);
+void ff_apply_window_int16_mmxext(int16_t *output, const int16_t *input,
+ const int16_t *window, unsigned int len);
+void ff_apply_window_int16_sse2(int16_t *output, const int16_t *input,
+ const int16_t *window, unsigned int len);
+void ff_apply_window_int16_ssse3(int16_t *output, const int16_t *input,
+ const int16_t *window, unsigned int len);
+void ff_apply_window_int16_ssse3_atom(int16_t *output, const int16_t *input,
+ const int16_t *window, unsigned int len);
+
+#if HAVE_SSE_INLINE && HAVE_7REGS
#define IF1(x) x
#define IF0(x)
#define MIX5(mono, stereo) \
__asm__ volatile ( \
- "movss 0(%2), %%xmm5 \n" \
- "movss 8(%2), %%xmm6 \n" \
- "movss 24(%2), %%xmm7 \n" \
+ "movss 0(%1), %%xmm5 \n" \
+ "movss 8(%1), %%xmm6 \n" \
+ "movss 24(%1), %%xmm7 \n" \
"shufps $0, %%xmm5, %%xmm5 \n" \
"shufps $0, %%xmm6, %%xmm6 \n" \
"shufps $0, %%xmm7, %%xmm7 \n" \
"1: \n" \
- "movaps (%0, %1), %%xmm0 \n" \
- "movaps 0x400(%0, %1), %%xmm1 \n" \
- "movaps 0x800(%0, %1), %%xmm2 \n" \
- "movaps 0xc00(%0, %1), %%xmm3 \n" \
- "movaps 0x1000(%0, %1), %%xmm4 \n" \
+ "movaps (%0, %2), %%xmm0 \n" \
+ "movaps (%0, %3), %%xmm1 \n" \
+ "movaps (%0, %4), %%xmm2 \n" \
+ "movaps (%0, %5), %%xmm3 \n" \
+ "movaps (%0, %6), %%xmm4 \n" \
"mulps %%xmm5, %%xmm0 \n" \
"mulps %%xmm6, %%xmm1 \n" \
"mulps %%xmm5, %%xmm2 \n" \
"addps %%xmm3, %%xmm0 \n" \
"addps %%xmm4, %%xmm2 \n" \
mono("addps %%xmm2, %%xmm0 \n") \
- "movaps %%xmm0, (%0, %1) \n" \
- stereo("movaps %%xmm2, 0x400(%0, %1) \n") \
+ "movaps %%xmm0, (%0, %2) \n" \
+ stereo("movaps %%xmm2, (%0, %3) \n") \
"add $16, %0 \n" \
"jl 1b \n" \
: "+&r"(i) \
- : "r"(samples[0] + len), "r"(matrix) \
+ : "r"(matrix), \
+ "r"(samples[0] + len), \
+ "r"(samples[1] + len), \
+ "r"(samples[2] + len), \
+ "r"(samples[3] + len), \
+ "r"(samples[4] + len) \
: XMM_CLOBBERS("%xmm0", "%xmm1", "%xmm2", "%xmm3", \
"%xmm4", "%xmm5", "%xmm6", "%xmm7",) \
"memory" \
#define MIX_MISC(stereo) \
__asm__ volatile ( \
+ "mov %5, %2 \n" \
"1: \n" \
+ "mov -%c7(%6, %2, %c8), %3 \n" \
"movaps (%3, %0), %%xmm0 \n" \
stereo("movaps %%xmm0, %%xmm1 \n") \
"mulps %%xmm4, %%xmm0 \n" \
stereo("mulps %%xmm5, %%xmm1 \n") \
- "lea 1024(%3, %0), %1 \n" \
- "mov %5, %2 \n" \
"2: \n" \
- "movaps (%1), %%xmm2 \n" \
+ "mov (%6, %2, %c8), %1 \n" \
+ "movaps (%1, %0), %%xmm2 \n" \
stereo("movaps %%xmm2, %%xmm3 \n") \
- "mulps (%4, %2), %%xmm2 \n" \
- stereo("mulps 16(%4, %2), %%xmm3 \n") \
+ "mulps (%4, %2, 8), %%xmm2 \n" \
+ stereo("mulps 16(%4, %2, 8), %%xmm3 \n") \
"addps %%xmm2, %%xmm0 \n" \
stereo("addps %%xmm3, %%xmm1 \n") \
- "add $1024, %1 \n" \
- "add $32, %2 \n" \
+ "add $4, %2 \n" \
"jl 2b \n" \
- "movaps %%xmm0, (%3, %0) \n" \
- stereo("movaps %%xmm1, 1024(%3, %0) \n") \
+ "mov %5, %2 \n" \
+ stereo("mov (%6, %2, %c8), %1 \n") \
+ "movaps %%xmm0, (%3, %0) \n" \
+ stereo("movaps %%xmm1, (%1, %0) \n") \
"add $16, %0 \n" \
"jl 1b \n" \
- : "+&r"(i), "=&r"(j), "=&r"(k) \
- : "r"(samples[0] + len), "r"(matrix_simd + in_ch), \
- "g"((intptr_t) - 32 * (in_ch - 1)) \
+ : "+&r"(i), "=&r"(j), "=&r"(k), "=&r"(m) \
+ : "r"(matrix_simd + in_ch), \
+ "g"((intptr_t) - 4 * (in_ch - 1)), \
+ "r"(samp + in_ch), \
+ "i"(sizeof(float *)), "i"(sizeof(float *)/4) \
: "memory" \
);
-static void ac3_downmix_sse(float (*samples)[256], float (*matrix)[2],
+static void ac3_downmix_sse(float **samples, float (*matrix)[2],
int out_ch, int in_ch, int len)
{
int (*matrix_cmp)[2] = (int(*)[2])matrix;
- intptr_t i, j, k;
+ intptr_t i, j, k, m;
i = -len * sizeof(float);
if (in_ch == 5 && out_ch == 2 &&
MIX5(IF1, IF0);
} else {
DECLARE_ALIGNED(16, float, matrix_simd)[AC3_MAX_CHANNELS][2][4];
+ float *samp[AC3_MAX_CHANNELS];
+
+ for (j = 0; j < in_ch; j++)
+ samp[j] = samples[j] + len;
+
j = 2 * in_ch * sizeof(float);
__asm__ volatile (
"1: \n"
}
}
-#endif /* HAVE_SSE_INLINE */
+#endif /* HAVE_SSE_INLINE && HAVE_7REGS */
av_cold void ff_ac3dsp_init_x86(AC3DSPContext *c, int bit_exact)
{
- int mm_flags = av_get_cpu_flags();
+ int cpu_flags = av_get_cpu_flags();
- if (EXTERNAL_MMX(mm_flags)) {
+ if (EXTERNAL_MMX(cpu_flags)) {
c->ac3_exponent_min = ff_ac3_exponent_min_mmx;
c->ac3_max_msb_abs_int16 = ff_ac3_max_msb_abs_int16_mmx;
c->ac3_lshift_int16 = ff_ac3_lshift_int16_mmx;
c->ac3_rshift_int32 = ff_ac3_rshift_int32_mmx;
}
- if (EXTERNAL_AMD3DNOW(mm_flags)) {
- c->extract_exponents = ff_ac3_extract_exponents_3dnow;
+ if (EXTERNAL_AMD3DNOW(cpu_flags)) {
if (!bit_exact) {
c->float_to_fixed24 = ff_float_to_fixed24_3dnow;
}
}
- if (EXTERNAL_MMXEXT(mm_flags)) {
+ if (EXTERNAL_MMXEXT(cpu_flags)) {
c->ac3_exponent_min = ff_ac3_exponent_min_mmxext;
c->ac3_max_msb_abs_int16 = ff_ac3_max_msb_abs_int16_mmxext;
+ if (bit_exact) {
+ c->apply_window_int16 = ff_apply_window_int16_mmxext;
+ } else {
+ c->apply_window_int16 = ff_apply_window_int16_round_mmxext;
+ }
}
- if (EXTERNAL_SSE(mm_flags)) {
+ if (EXTERNAL_SSE(cpu_flags)) {
c->float_to_fixed24 = ff_float_to_fixed24_sse;
}
- if (EXTERNAL_SSE2(mm_flags)) {
+ if (EXTERNAL_SSE2(cpu_flags)) {
c->ac3_exponent_min = ff_ac3_exponent_min_sse2;
c->ac3_max_msb_abs_int16 = ff_ac3_max_msb_abs_int16_sse2;
c->float_to_fixed24 = ff_float_to_fixed24_sse2;
c->compute_mantissa_size = ff_ac3_compute_mantissa_size_sse2;
c->extract_exponents = ff_ac3_extract_exponents_sse2;
- if (!(mm_flags & AV_CPU_FLAG_SSE2SLOW)) {
+ if (!(cpu_flags & AV_CPU_FLAG_SSE2SLOW)) {
c->ac3_lshift_int16 = ff_ac3_lshift_int16_sse2;
c->ac3_rshift_int32 = ff_ac3_rshift_int32_sse2;
}
+ if (bit_exact) {
+ c->apply_window_int16 = ff_apply_window_int16_sse2;
+ } else if (!(cpu_flags & AV_CPU_FLAG_SSE2SLOW)) {
+ c->apply_window_int16 = ff_apply_window_int16_round_sse2;
+ }
}
- if (EXTERNAL_SSSE3(mm_flags)) {
+ if (EXTERNAL_SSSE3(cpu_flags)) {
c->ac3_max_msb_abs_int16 = ff_ac3_max_msb_abs_int16_ssse3;
- if (!(mm_flags & AV_CPU_FLAG_ATOM)) {
+ if (cpu_flags & AV_CPU_FLAG_ATOM) {
+ c->apply_window_int16 = ff_apply_window_int16_ssse3_atom;
+ } else {
c->extract_exponents = ff_ac3_extract_exponents_ssse3;
+ c->apply_window_int16 = ff_apply_window_int16_ssse3;
}
}
-#if HAVE_SSE_INLINE
- if (INLINE_SSE(mm_flags)) {
+#if HAVE_SSE_INLINE && HAVE_7REGS
+ if (INLINE_SSE(cpu_flags)) {
c->downmix = ac3_downmix_sse;
}
#endif
projects / ffmpeg / blobdiff