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Actually align samples to 8.

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This commit is contained in:
Themaister 2012-12-05 23:17:07 +01:00
parent eba6cfa3eb
commit 4adf390486
2 changed files with 9 additions and 9 deletions
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14
audio/utils.c
View File

@ -15,9 +15,9 @@
#include "utils.h" #include "utils.h"
#if __SSE2__ #if defined(__SSE2__)
#include <emmintrin.h> #include <emmintrin.h>
#elif __ALTIVEC__ #elif defined(__ALTIVEC__)
#include <altivec.h> #include <altivec.h>
#endif #endif
@ -39,7 +39,7 @@ void audio_convert_float_to_s16_C(int16_t *out,
} }
} }
#if __SSE2__ #if defined(__SSE2__)
void audio_convert_s16_to_float_SSE2(float *out, void audio_convert_s16_to_float_SSE2(float *out,
const int16_t *in, size_t samples, float gain) const int16_t *in, size_t samples, float gain)
{ {
@ -84,7 +84,7 @@ void audio_convert_float_to_s16_SSE2(int16_t *out,
audio_convert_float_to_s16_C(out, in, samples - i); audio_convert_float_to_s16_C(out, in, samples - i);
} }
#elif __ALTIVEC__ #elif defined(__ALTIVEC__)
void audio_convert_s16_to_float_altivec(float *out, void audio_convert_s16_to_float_altivec(float *out,
const int16_t *in, size_t samples, float gain) const int16_t *in, size_t samples, float gain)
{ {
@ -133,14 +133,14 @@ void audio_convert_float_to_s16_altivec(int16_t *out,
else else
audio_convert_float_to_s16_C(out, in, samples); audio_convert_float_to_s16_C(out, in, samples);
} }
#elif HAVE_NEON #elif defined(HAVE_NEON)
void audio_convert_s16_float_asm(float *out, const int16_t *in, size_t samples); void audio_convert_s16_float_asm(float *out, const int16_t *in, size_t samples);
void audio_convert_s16_to_float_neon(float *out, const int16_t *in, size_t samples, void audio_convert_s16_to_float_neon(float *out, const int16_t *in, size_t samples,
float gain) float gain)
{ {
(void)gain; // gain is ignored for now. (void)gain; // gain is ignored for now.
size_t aligned_samples = samples & 7; size_t aligned_samples = samples & ~7;
audio_convert_s16_float_asm(out, in, aligned_samples); audio_convert_s16_float_asm(out, in, aligned_samples);
// Could do all conversion in ASM, but keep it simple for now. // Could do all conversion in ASM, but keep it simple for now.
@ -151,7 +151,7 @@ void audio_convert_s16_to_float_neon(float *out, const int16_t *in, size_t sampl
void audio_convert_float_s16_asm(int16_t *out, const float *in, size_t samples); void audio_convert_float_s16_asm(int16_t *out, const float *in, size_t samples);
void audio_convert_float_to_s16_neon(int16_t *out, const float *in, size_t samples) void audio_convert_float_to_s16_neon(int16_t *out, const float *in, size_t samples)
{ {
size_t aligned_samples = samples & 7; size_t aligned_samples = samples & ~7;
audio_convert_float_s16_asm(out, in, aligned_samples); audio_convert_float_s16_asm(out, in, aligned_samples);
audio_convert_float_to_s16_C(out + aligned_samples, in + aligned_samples, audio_convert_float_to_s16_C(out + aligned_samples, in + aligned_samples,
samples - aligned_samples); samples - aligned_samples);

4
audio/utils.h
View File

@ -19,7 +19,7 @@
#include <stdint.h> #include <stdint.h>
#include <stddef.h> #include <stddef.h>
#if __SSE2__ #if defined(__SSE2__)
#define audio_convert_s16_to_float audio_convert_s16_to_float_SSE2 #define audio_convert_s16_to_float audio_convert_s16_to_float_SSE2
#define audio_convert_float_to_s16 audio_convert_float_to_s16_SSE2 #define audio_convert_float_to_s16 audio_convert_float_to_s16_SSE2
@ -29,7 +29,7 @@ void audio_convert_s16_to_float_SSE2(float *out,
void audio_convert_float_to_s16_SSE2(int16_t *out, void audio_convert_float_to_s16_SSE2(int16_t *out,
const float *in, size_t samples); const float *in, size_t samples);
#elif __ALTIVEC__ #elif defined(__ALTIVEC__)
#define audio_convert_s16_to_float audio_convert_s16_to_float_altivec #define audio_convert_s16_to_float audio_convert_s16_to_float_altivec
#define audio_convert_float_to_s16 audio_convert_float_to_s16_altivec #define audio_convert_float_to_s16 audio_convert_float_to_s16_altivec