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cpu: Add force_generic_code flag to cpu_info struct

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The remapper and channel mixing code have (faster) specialized and (slower)
generic code certain code path. The flag force_generic_code can be set to
force the generic code path which is useful for testing. Code duplication
(such as in mix-special-test) can be avoided, cleanup patches follow.

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
This commit is contained in:
Peter Meerwald 2014-04-18 09:59:32 +02:00 • committed by Peter Meerwald
parent 61c888dc93
commit f4ab8bd835
4 changed files with 31 additions and 0 deletions
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14
src/pulsecore/remap.c
View file

@ -32,6 +32,7 @@
#include <pulsecore/log.h>
#include <pulsecore/macro.h>
#include "cpu.h"
#include "remap.h"
static void remap_mono_to_stereo_s16ne_c(pa_remap_t *m, int16_t *dst, const int16_t *src, unsigned n) {
@ -361,6 +362,8 @@ void pa_set_remap_func(pa_remap_t *m, pa_do_remap_func_t func_s16,
pa_assert_not_reached();
}
static bool force_generic_code = false;
/* set the function that will execute the remapping based on the matrices */
static void init_remap_c(pa_remap_t *m) {
unsigned n_oc, n_ic;
@ -370,6 +373,13 @@ static void init_remap_c(pa_remap_t *m) {
n_ic = m->i_ss.channels;
/* find some common channel remappings, fall back to full matrix operation. */
if (force_generic_code) {
pa_log_info("Forced to use generic matrix remapping");
pa_set_remap_func(m, (pa_do_remap_func_t) remap_channels_matrix_s16ne_c,
(pa_do_remap_func_t) remap_channels_matrix_float32ne_c);
return;
}
if (n_ic == 1 && n_oc == 2 &&
m->map_table_i[0][0] == 0x10000 && m->map_table_i[1][0] == 0x10000) {
@ -452,3 +462,7 @@ pa_init_remap_func_t pa_get_init_remap_func(void) {
void pa_set_init_remap_func(pa_init_remap_func_t func) {
init_remap_func = func;
}
void pa_remap_func_init(const pa_cpu_info *cpu_info) {
force_generic_code = cpu_info->force_generic_code;
}