diff options
author | Marcelo Fernandez <marcelofg55@gmail.com> | 2018-06-20 21:02:02 -0300 |
---|---|---|
committer | Marcelo Fernandez <marcelofg55@gmail.com> | 2018-07-17 10:11:56 -0300 |
commit | 9f6536bd0af75ea1dad3a5cbfe1c7987e5557986 (patch) | |
tree | 4cbf2fa35bad7fc7d9bb3f53a3b0c0310a1f0c6a /drivers/alsa | |
parent | b64bf118f11aaf083b4dcad790e8acdaa809c158 (diff) |
Add Audio Server profiling time to the profiler
Diffstat (limited to 'drivers/alsa')
-rw-r--r-- | drivers/alsa/audio_driver_alsa.cpp | 80 |
1 files changed, 39 insertions, 41 deletions
diff --git a/drivers/alsa/audio_driver_alsa.cpp b/drivers/alsa/audio_driver_alsa.cpp index 1e17e72532..ae85ee50d1 100644 --- a/drivers/alsa/audio_driver_alsa.cpp +++ b/drivers/alsa/audio_driver_alsa.cpp @@ -142,8 +142,6 @@ Error AudioDriverALSA::init_device() { samples_in.resize(period_size * channels); samples_out.resize(period_size * channels); - snd_pcm_nonblock(pcm_handle, 0); - return OK; } @@ -168,54 +166,50 @@ void AudioDriverALSA::thread_func(void *p_udata) { AudioDriverALSA *ad = (AudioDriverALSA *)p_udata; while (!ad->exit_thread) { + + ad->lock(); + ad->start_counting_ticks(); + if (!ad->active) { for (unsigned int i = 0; i < ad->period_size * ad->channels; i++) { ad->samples_out[i] = 0; - }; - } else { - ad->lock(); + } + } else { ad->audio_server_process(ad->period_size, ad->samples_in.ptrw()); - ad->unlock(); - for (unsigned int i = 0; i < ad->period_size * ad->channels; i++) { ad->samples_out[i] = ad->samples_in[i] >> 16; } - }; + } int todo = ad->period_size; int total = 0; - while (todo) { - if (ad->exit_thread) - break; + while (todo && !ad->exit_thread) { uint8_t *src = (uint8_t *)ad->samples_out.ptr(); int wrote = snd_pcm_writei(ad->pcm_handle, (void *)(src + (total * ad->channels)), todo); - if (wrote < 0) { - if (ad->exit_thread) - break; + if (wrote > 0) { + total += wrote; + todo -= wrote; + } else if (wrote == -EAGAIN) { + ad->stop_counting_ticks(); + ad->unlock(); - if (wrote == -EAGAIN) { - //can't write yet (though this is blocking..) - usleep(1000); - continue; - } + OS::get_singleton()->delay_usec(1000); + + ad->lock(); + ad->start_counting_ticks(); + } else { wrote = snd_pcm_recover(ad->pcm_handle, wrote, 0); if (wrote < 0) { - //absolute fail - fprintf(stderr, "ALSA failed and can't recover: %s\n", snd_strerror(wrote)); + ERR_PRINTS("ALSA: Failed and can't recover: " + String(snd_strerror(wrote))); ad->active = false; ad->exit_thread = true; - break; } - continue; - }; - - total += wrote; - todo -= wrote; - }; + } + } // User selected a new device, finish the current one so we'll init the new device if (ad->device_name != ad->new_device) { @@ -232,10 +226,12 @@ void AudioDriverALSA::thread_func(void *p_udata) { if (err != OK) { ad->active = false; ad->exit_thread = true; - break; } } } + + ad->stop_counting_ticks(); + ad->unlock(); }; ad->thread_exited = true; @@ -296,7 +292,9 @@ String AudioDriverALSA::get_device() { void AudioDriverALSA::set_device(String device) { + lock(); new_device = device; + unlock(); } void AudioDriverALSA::lock() { @@ -323,21 +321,21 @@ void AudioDriverALSA::finish_device() { void AudioDriverALSA::finish() { - if (!thread) - return; - - exit_thread = true; - Thread::wait_to_finish(thread); + if (thread) { + exit_thread = true; + Thread::wait_to_finish(thread); - finish_device(); + memdelete(thread); + thread = NULL; - memdelete(thread); - if (mutex) { - memdelete(mutex); - mutex = NULL; + if (mutex) { + memdelete(mutex); + mutex = NULL; + } } - thread = NULL; -}; + + finish_device(); +} AudioDriverALSA::AudioDriverALSA() { |