x86: avcodec: Appropriately name files containing only init functions

1 files changed, 93 insertions, 0 deletions

diff --git a/libavcodec/x86/ac3dsp_init.c b/libavcodec/x86/ac3dsp_init.c
new file mode 100644
index 0000000000..f3db67a84f
--- /dev/null
+++ b/libavcodec/x86/ac3dsp_init.c
@@ -0,0 +1,93 @@
+/*
+ * x86-optimized AC-3 DSP utils
+ * Copyright (c) 2011 Justin Ruggles
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/x86/asm.h"
+#include "dsputil_mmx.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);
+
+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);
+
+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);
+
+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);
+
+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);
+
+extern 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);
+
+av_cold void ff_ac3dsp_init_x86(AC3DSPContext *c, int bit_exact)
+{
+#if HAVE_YASM
+    int mm_flags = av_get_cpu_flags();
+
+    if (mm_flags & AV_CPU_FLAG_MMX) {
+        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 (mm_flags & AV_CPU_FLAG_3DNOW && HAVE_AMD3DNOW) {
+        c->extract_exponents = ff_ac3_extract_exponents_3dnow;
+        if (!bit_exact) {
+            c->float_to_fixed24 = ff_float_to_fixed24_3dnow;
+        }
+    }
+    if (mm_flags & AV_CPU_FLAG_MMXEXT && HAVE_MMXEXT) {
+        c->ac3_exponent_min = ff_ac3_exponent_min_mmxext;
+        c->ac3_max_msb_abs_int16 = ff_ac3_max_msb_abs_int16_mmx2;
+    }
+    if (mm_flags & AV_CPU_FLAG_SSE && HAVE_SSE) {
+        c->float_to_fixed24 = ff_float_to_fixed24_sse;
+    }
+    if (mm_flags & AV_CPU_FLAG_SSE2 && HAVE_SSE) {
+        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 (mm_flags & AV_CPU_FLAG_SSSE3 && HAVE_SSSE3) {
+        c->ac3_max_msb_abs_int16 = ff_ac3_max_msb_abs_int16_ssse3;
+        if (!(mm_flags & AV_CPU_FLAG_ATOM)) {
+            c->extract_exponents = ff_ac3_extract_exponents_ssse3;
+        }
+    }
+#endif
+}