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fix the ability to give attenation priority to hardware or software, set the default to software

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Mike Brady
2019-02-17 14:10:45 +00:00
parent a8038c15c9
commit 00be8bc2a6
2 changed files with 5 additions and 4 deletions
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scripts/shairport-sync.conf
+1 -1
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@@ -29,7 +29,7 @@ general =
// volume_control_profile = "standard" ; // use this advanced setting to specify how the airplay volume is transferred to the mixer volume.
// "standard" makes the volume change more quickly at lower volumes and slower at higher volumes.
// "flat" makes the volume change at the same rate at all volumes.
// volume_range_hw_priority = "yes"; // when extending the volume range by combining the built-in software attenuator with the hardware mixer attenuator, set this to "yes" to reduce volume by using the hardware attenuator first, then the software attenuator.
// volume_range_combined_hardware_priority = "no"; // when extending the volume range by combining the built-in software attenuator with the hardware mixer attenuator, set this to "yes" to reduce volume by using the hardware mixer first, then the built-in software attenuator.
// run_this_when_volume_is_set = "/full/path/to/application/and/args"; // Run the specified application whenever the volume control is set or changed.
// The desired AirPlay volume is appended to the end of the command line – leave a space if you want it treated as an extra argument.
// AirPlay volume goes from 0 to -30 and -144 means "mute".
shairport.c
+4 -3
View File
@@ -344,8 +344,9 @@ int parse_options(int argc, char **argv) {
config.diagnostic_drop_packet_fraction = 0.0;
config.active_state_timeout = 10.0;
config.volume_range_hw_priority =
1; // if combining software and hardware volume control, give the hardware priority
// i.e. when reducing volume, reduce the hw first before reducing the software.
0; // if combining software and hardware volume control, give the software priority
// i.e. when reducing volume, reduce the sw first before reducing the software.
// this is because some hw mixers mute at the bottom of their range, and they don't always advertise this fact
#ifdef CONFIG_METADATA_HUB
config.cover_art_cache_dir = "/tmp/shairport-sync/.cache/coverart";
@@ -1568,7 +1569,7 @@ int main(int argc, char **argv) {
config.volume_range_db);
debug(
1,
"combined attenuators (0 -- software is / 1 -- hardware is top of attenuation range) is %d.",
"volume_range_combined_hardware_priority (1 means hardware mixer attenuation is used first) is %d.",
config.volume_range_hw_priority);
debug(1, "playback_mode is %d (0-stereo, 1-mono, 1-reverse_stereo, 2-both_left, 3-both_right).",
config.playback_mode);