Revision 00e07679 audio/mixeng_template.h
| b/audio/mixeng_template.h | ||
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| 31 | 31 |
#define HALF (IN_MAX >> 1) |
| 32 | 32 |
#endif |
| 33 | 33 |
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| 34 |
#ifdef CONFIG_MIXEMU |
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#ifdef FLOAT_MIXENG |
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#define VOL(a, b) ((a) * (b)) |
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#else |
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#define VOL(a, b) ((a) * (b)) >> 32 |
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#endif |
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#else |
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#define VOL(a, b) a |
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#endif |
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| 44 | 34 |
#define ET glue (ENDIAN_CONVERSION, glue (_, IN_T)) |
| 45 | 35 |
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| 46 | 36 |
#ifdef FLOAT_MIXENG |
| ... | ... | |
| 109 | 99 |
#endif |
| 110 | 100 |
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| 111 | 101 |
static void glue (glue (conv_, ET), _to_stereo) |
| 112 |
(struct st_sample *dst, const void *src, int samples, struct mixeng_volume *vol)
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(struct st_sample *dst, const void *src, int samples) |
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| 113 | 103 |
{
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| 114 | 104 |
struct st_sample *out = dst; |
| 115 | 105 |
IN_T *in = (IN_T *) src; |
| 116 |
#ifdef CONFIG_MIXEMU |
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if (vol->mute) {
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mixeng_clear (dst, samples); |
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return; |
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} |
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#else |
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(void) vol; |
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#endif |
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| 124 | 107 |
while (samples--) {
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out->l = VOL (glue (conv_, ET) (*in++), vol->l);
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out->r = VOL (glue (conv_, ET) (*in++), vol->r);
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out->l = glue (conv_, ET) (*in++);
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out->r = glue (conv_, ET) (*in++);
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| 127 | 110 |
out += 1; |
| 128 | 111 |
} |
| 129 | 112 |
} |
| 130 | 113 |
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| 131 | 114 |
static void glue (glue (conv_, ET), _to_mono) |
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(struct st_sample *dst, const void *src, int samples, struct mixeng_volume *vol)
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(struct st_sample *dst, const void *src, int samples) |
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| 133 | 116 |
{
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| 134 | 117 |
struct st_sample *out = dst; |
| 135 | 118 |
IN_T *in = (IN_T *) src; |
| 136 |
#ifdef CONFIG_MIXEMU |
|
| 137 |
if (vol->mute) {
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mixeng_clear (dst, samples); |
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return; |
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} |
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#else |
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(void) vol; |
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#endif |
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| 119 |
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| 144 | 120 |
while (samples--) {
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out->l = VOL (glue (conv_, ET) (in[0]), vol->l);
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out->l = glue (conv_, ET) (in[0]);
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| 146 | 122 |
out->r = out->l; |
| 147 | 123 |
out += 1; |
| 148 | 124 |
in += 1; |
| ... | ... | |
| 174 | 150 |
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| 175 | 151 |
#undef ET |
| 176 | 152 |
#undef HALF |
| 177 |
#undef VOL |
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