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| author | Ibrahn Sahir <ibrahn.sahir@gmail.com> | 2021-10-29 22:37:49 +0100 |
|---|---|---|
| committer | Ibrahn Sahir <ibrahn.sahir@gmail.com> | 2021-10-29 23:36:18 +0100 |
| commit | 47496a55bc54dd1aca15d30158e14703b0670f36 (patch) | |
| tree | 03cbf7f6c2b851d1a4049768ef46ca0e853e8ce6 | |
| parent | d046817536a21358f9c51bf5b932d0a6615ee76a (diff) | |
AudioDriverPulseAudio: move Vector Cow access outside tight loop.
Replaced some in-loop uses of Vector.write with an out of loop ptrw,
to avoid a lot of superfluous reads on the CowData ref count.
| -rw-r--r-- | drivers/pulseaudio/audio_driver_pulseaudio.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/pulseaudio/audio_driver_pulseaudio.cpp b/drivers/pulseaudio/audio_driver_pulseaudio.cpp index 2488439738..64fc94ea91 100644 --- a/drivers/pulseaudio/audio_driver_pulseaudio.cpp +++ b/drivers/pulseaudio/audio_driver_pulseaudio.cpp @@ -382,15 +382,15 @@ void AudioDriverPulseAudio::thread_func(void *p_udata) { ad->start_counting_ticks(); if (!ad->active) { - for (unsigned int i = 0; i < ad->pa_buffer_size; i++) { - ad->samples_out.write[i] = 0; - } + ad->samples_out.fill(0); } else { ad->audio_server_process(ad->buffer_frames, ad->samples_in.ptrw()); + int16_t *out_ptr = ad->samples_out.ptrw(); + if (ad->channels == ad->pa_map.channels) { for (unsigned int i = 0; i < ad->pa_buffer_size; i++) { - ad->samples_out.write[i] = ad->samples_in[i] >> 16; + out_ptr[i] = ad->samples_in[i] >> 16; } } else { // Uneven amount of channels @@ -399,11 +399,11 @@ void AudioDriverPulseAudio::thread_func(void *p_udata) { for (unsigned int i = 0; i < ad->buffer_frames; i++) { for (int j = 0; j < ad->pa_map.channels - 1; j++) { - ad->samples_out.write[out_idx++] = ad->samples_in[in_idx++] >> 16; + out_ptr[out_idx++] = ad->samples_in[in_idx++] >> 16; } uint32_t l = ad->samples_in[in_idx++] >> 16; uint32_t r = ad->samples_in[in_idx++] >> 16; - ad->samples_out.write[out_idx++] = (l + r) / 2; + out_ptr[out_idx++] = (l + r) / 2; } } } |