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small optimizations

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Add some SPA_LIKELY
Enable FASTPATH by default
This commit is contained in:
Wim Taymans 2020-03-18 15:43:29 +01:00
parent 57f84ae5ae
commit 8a2af908a7
11 changed files with 55 additions and 44 deletions
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12
spa/plugins/audioconvert/resample-native.h
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@ -98,6 +98,9 @@ static void impl_native_update_rate(struct resample *r, double rate)
struct native_data *data = r->data;
uint32_t in_rate, out_rate, phase, gcd, old_out_rate;
if (SPA_LIKELY(data->rate == rate))
return;
old_out_rate = data->out_rate;
in_rate = r->i_rate / rate;
out_rate = r->o_rate;
@ -165,9 +168,9 @@ static void impl_native_process(struct resample *r,
hist = data->hist;
refill = 0;
if (hist) {
if (SPA_LIKELY(hist)) {
/* first work on the history if any. */
if (hist < n_taps) {
if (SPA_UNLIKELY(hist < n_taps)) {
/* we need at least n_taps to completely process the
* history before we can work on the new input. When
* we have less, refill the history. */
@ -175,7 +178,7 @@ static void impl_native_process(struct resample *r,
for (c = 0; c < r->channels; c++)
spa_memcpy(&history[c][hist], s[c], refill * sizeof(float));
if (hist + refill < n_taps) {
if (SPA_UNLIKELY(hist + refill < n_taps)) {
/* not enough in the history, keep the input in
* the history and produce no output */
data->hist = hist + refill;
@ -195,12 +198,13 @@ static void impl_native_process(struct resample *r,
out = in = 0;
}
if (in >= hist) {
if (SPA_LIKELY(in >= hist)) {
int skip = in - hist;
/* we are past the history and can now work on the new
* input data */
in = *in_len - skip;
data->func(r, src, skip, &in, dst, out, out_len);
spa_log_trace_fp(r->log, "native %p: in:%d/%d out %d/%d",
r, *in_len, in, *out_len, out);