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Make mixer emulation a configure option (Jan Kiszka)

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4783 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
malc 2008-06-23 18:33:30 +00:00
parent e7fb1406b0
commit 8ff9cbf776
3 changed files with 14 additions and 7 deletions
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2
audio/mixeng.c
View file

@ -28,8 +28,6 @@
#define AUDIO_CAP "mixeng"
#include "audio_int.h"
#define NOVOL
/* 8 bit */
#define ENDIAN_CONVERSION natural
#define ENDIAN_CONVERT(v) (v)

10
audio/mixeng_template.h
View file

@ -31,14 +31,14 @@
#define HALF (IN_MAX >> 1)
#endif
#ifdef NOVOL
#define VOL(a, b) a
#else
#ifdef CONFIG_MIXEMU
#ifdef FLOAT_MIXENG
#define VOL(a, b) ((a) * (b))
#else
#define VOL(a, b) ((a) * (b)) >> 32
#endif
#else
#define VOL(a, b) a
#endif
#define ET glue (ENDIAN_CONVERSION, glue (_, IN_T))
@ -113,7 +113,7 @@ static void glue (glue (conv_, ET), _to_stereo)
{
st_sample_t *out = dst;
IN_T *in = (IN_T *) src;
#ifndef NOVOL
#ifdef CONFIG_MIXEMU
if (vol->mute) {
mixeng_clear (dst, samples);
return;
@ -133,7 +133,7 @@ static void glue (glue (conv_, ET), _to_mono)
{
st_sample_t *out = dst;
IN_T *in = (IN_T *) src;
#ifndef NOVOL
#ifdef CONFIG_MIXEMU
if (vol->mute) {
mixeng_clear (dst, samples);
return;