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fluidsynth
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allocate mono voice mix buffer on the heap

This commit is contained in:
derselbst 2018-04-25 14:15:54 +02:00
parent e229f62020
commit 7ebdabae0c
3 changed files with 18 additions and 6 deletions
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19
src/rvoice/fluid_rvoice_mixer.c
View File

@ -47,6 +47,8 @@ struct _fluid_mixer_buffers_t {
fluid_atomic_int_t ready; /**< Atomic: buffers are ready for mixing */
fluid_real_t* local_buf;
int buf_count;
fluid_real_t** left_buf;
fluid_real_t** right_buf;
@ -257,7 +259,7 @@ get_dest_buf(fluid_rvoice_buffers_t* buffers, int index,
*/
static void
fluid_rvoice_buffers_mix(fluid_rvoice_buffers_t* buffers,
fluid_real_t* dsp_buf, int start, int samplecount,
fluid_real_t *FLUID_RESTRICT dsp_buf, int start, int samplecount,
fluid_real_t** dest_bufs, int dest_bufcount)
{
int bufcount = buffers->count;
@ -284,8 +286,12 @@ fluid_rvoice_buffers_mix(fluid_rvoice_buffers_t* buffers,
i++;
}
else {
#pragma omp simd aligned(dsp_buf:FLUID_DEFAULT_ALIGNMENT)
#pragma vector aligned(dsp_buf)
for (dsp_i = start; dsp_i < samplecount; dsp_i++)
{
buf[dsp_i] += amp * dsp_buf[dsp_i];
}
}
}
}
@ -303,7 +309,7 @@ fluid_mixer_buffers_render_one(fluid_mixer_buffers_t* buffers,
int blockcount = buffers->mixer->current_blockcount;
int i, result = 0, start = 0;
FLUID_DECLARE_VLA(fluid_real_t, local_buf, FLUID_BUFSIZE*blockcount);
fluid_real_t* local_buf = fluid_align_ptr(buffers->local_buf, FLUID_DEFAULT_ALIGNMENT);
for (i=0; i < blockcount; i++) {
int s = fluid_rvoice_write(rvoice, &local_buf[FLUID_BUFSIZE*i]);
@ -439,7 +445,6 @@ fluid_mixer_buffers_zero(fluid_mixer_buffers_t* buffers)
}
static int
fluid_mixer_buffers_init(fluid_mixer_buffers_t* buffers, fluid_rvoice_mixer_t* mixer)
{
@ -449,14 +454,16 @@ fluid_mixer_buffers_init(fluid_mixer_buffers_t* buffers, fluid_rvoice_mixer_t* m
buffers->buf_count = buffers->mixer->buffers.buf_count;
buffers->fx_buf_count = buffers->mixer->buffers.fx_buf_count;
samplecount = FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT;
/* Local mono voice buf */
buffers->local_buf = FLUID_ARRAY_ALIGNED(fluid_real_t, samplecount, FLUID_DEFAULT_ALIGNMENT);
/* Left and right audio buffers */
buffers->left_buf = FLUID_ARRAY(fluid_real_t*, buffers->buf_count);
buffers->right_buf = FLUID_ARRAY(fluid_real_t*, buffers->buf_count);
if ((buffers->left_buf == NULL) || (buffers->right_buf == NULL)) {
if ((buffers->local_buf == NULL) || (buffers->left_buf == NULL) || (buffers->right_buf == NULL)) {
FLUID_LOG(FLUID_ERR, "Out of memory");
return 0;
}
@ -586,6 +593,8 @@ fluid_mixer_buffers_free(fluid_mixer_buffers_t* buffers)
FLUID_FREE(buffers->finished_voices);
/* free all the sample buffers */
FLUID_FREE(buffers->local_buf);
if (buffers->left_buf != NULL) {
for (i = 0; i < buffers->buf_count; i++) {
if (buffers->left_buf[i] != NULL) {

2
src/utils/fluid_sys.h
View File

@ -618,4 +618,6 @@ static FLUID_INLINE void* fluid_align_ptr(const void* ptr, unsigned int alignmen
return (void*)ptr_int;
}
#define FLUID_DEFAULT_ALIGNMENT (64U)
#endif /* _FLUID_SYS_H */

3
src/utils/fluidsynth_priv.h
View File

@ -249,7 +249,8 @@ typedef FILE* fluid_file;
#define FLUID_MALLOC(_n) malloc(_n)
#define FLUID_REALLOC(_p,_n) realloc(_p,_n)
#define FLUID_NEW(_t) (_t*)malloc(sizeof(_t))
#define FLUID_ARRAY(_t,_n) (_t*)malloc((_n)*sizeof(_t))
#define FLUID_ARRAY_ALIGNED(_t,_n,_a) (_t*)malloc((_n)*sizeof(_t) + ((unsigned int)_a - 1u))
#define FLUID_ARRAY(_t,_n) FLUID_ARRAY_ALIGNED(_t,_n,1u)
#define FLUID_FREE(_p) free(_p)
#define FLUID_FOPEN(_f,_m) fopen(_f,_m)
#define FLUID_FCLOSE(_f) fclose(_f)