/*
- * 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 "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_mmx2 (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_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);
+
+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);
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_mmx2;
+ 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)) {
- 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;
}
}
- if (EXTERNAL_SSSE3(mm_flags)) {
+
+ if (EXTERNAL_SSE2_FAST(cpu_flags)) {
+ 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_round_sse2;
+ }
+ }
+
+ 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;
}
}
}
+
+#define DOWNMIX_FUNC_OPT(ch, opt) \
+void ff_ac3_downmix_ ## ch ## _to_1_ ## opt(float **samples, \
+ float **matrix, int len); \
+void ff_ac3_downmix_ ## ch ## _to_2_ ## opt(float **samples, \
+ float **matrix, int len);
+
+#define DOWNMIX_FUNCS(opt) \
+ DOWNMIX_FUNC_OPT(3, opt) \
+ DOWNMIX_FUNC_OPT(4, opt) \
+ DOWNMIX_FUNC_OPT(5, opt) \
+ DOWNMIX_FUNC_OPT(6, opt)
+
+DOWNMIX_FUNCS(sse)
+DOWNMIX_FUNCS(avx)
+DOWNMIX_FUNCS(fma3)
+
+void ff_ac3dsp_set_downmix_x86(AC3DSPContext *c)
+{
+ int cpu_flags = av_get_cpu_flags();
+
+#define SET_DOWNMIX(ch, suf, SUF) \
+ if (ch == c->in_channels) { \
+ if (EXTERNAL_ ## SUF (cpu_flags)) { \
+ if (c->out_channels == 1) \
+ c->downmix = ff_ac3_downmix_ ## ch ## _to_1_ ## suf; \
+ else \
+ c->downmix = ff_ac3_downmix_ ## ch ## _to_2_ ## suf; \
+ } \
+ }
+
+#define SET_DOWNMIX_ALL(suf, SUF) \
+ SET_DOWNMIX(3, suf, SUF) \
+ SET_DOWNMIX(4, suf, SUF) \
+ SET_DOWNMIX(5, suf, SUF) \
+ SET_DOWNMIX(6, suf, SUF)
+
+ SET_DOWNMIX_ALL(sse, SSE)
+ if (!(cpu_flags & AV_CPU_FLAG_AVXSLOW)) {
+ SET_DOWNMIX_ALL(avx, AVX)
+ SET_DOWNMIX_ALL(fma3, FMA3)
+ }
+}
projects / ffmpeg / blobdiff