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Code Releases Wiki Activity

Move mix_rate, ouput_latency to AudioDriverManager

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Each driver used to define the (same) project settings values
`audio/mix_rate` and `audio/output_latency`, but the setting names are
not driver specific.
Overriding is still possible via platform tags.
This commit is contained in:
Fabio Alessandrelli
2020-05-18 02:31:38 +02:00
parent 245c179bd3
commit 90c7102b51
11 changed files with 24 additions and 21 deletions
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4
drivers/alsa/audio_driver_alsa.cpp
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@@ -38,7 +38,7 @@
#include <errno.h>
Error AudioDriverALSA::init_device() {
mix_rate = GLOBAL_DEF("audio/mix_rate", DEFAULT_MIX_RATE);
mix_rate = GLOBAL_GET("audio/mix_rate");
speaker_mode = SPEAKER_MODE_STEREO;
channels = 2;
@@ -104,7 +104,7 @@ Error AudioDriverALSA::init_device() {
// In ALSA the period size seems to be the one that will determine the actual latency
// Ref: https://www.alsa-project.org/main/index.php/FramesPeriods
unsigned int periods = 2;
int latency = GLOBAL_DEF("audio/output_latency", DEFAULT_OUTPUT_LATENCY);
int latency = GLOBAL_GET("audio/output_latency");
buffer_frames = closest_power_of_2(latency * mix_rate / 1000);
buffer_size = buffer_frames * periods;
period_size = buffer_frames;