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More comprhensive saving and restoring of hardware and software level when a session is stopped and started. Does hardware as well as software.

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This commit is contained in:
Mike Brady
2017-12-11 16:35:11 +00:00
parent e7843b9e82
commit 8e0c10077f
1 changed files with 41 additions and 42 deletions
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scripts/shairport-sync.conf
+41 -42
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@@ -48,48 +48,6 @@ general =
// as "org.gnome.ShairportSync" on the whichever bus you specify here: "system" (default) or "session".
};
dsp =
{
//////////////////////////////////////////
// This convolution filter can be used to apply almost any correction to the audio signal, like frequency and phase correction.
// For example you could measure (with a good microphone and a sweep-sine) the frequency response of your speakers + room,
// and apply a correction to get a flat response curve.
//////////////////////////////////////////
//
// convolution = "yes"; // Activate the convolution filter.
// convolution_ir_file = "impulse.wav"; // Impulse Response file to be convolved to the audio stream
// convolution_gain = -4.0; // Static gain applied to prevent clipping during the convolution process
// convolution_max_length = 44100; // Truncate the input file to this length in order to save CPU.
//////////////////////////////////////////
// This loudness filter is used to compensate for human ear non linearity.
// When the volume decreases, our ears loose more sentisitivity in the low range frequencies than in the mid range ones.
// This filter aims at compensating for this loss, applying a variable gain to low frequencies depending on the volume.
// More info can be found here: https://en.wikipedia.org/wiki/Equal-loudness_contour
// For this filter to work properly, you should disable (or set to a fix value) all other volume control and only let shairport-sync control your volume.
// The setting "loudness_reference_volume_db" should be set at the volume reported by shairport-sync when listening to music at a normal listening volume.
//////////////////////////////////////////
//
// loudness = "yes"; // Activate the filter
// loudness_reference_volume_db = -20.0; // Above this level the filter will have no effect anymore. Below this level it will gradually boost the low frequencies.
};
// How to deal with metadata, including artwork
metadata =
{
// enabled = "no"; // set this to yes to get Shairport Sync to solicit metadata from the source and to pass it on via a pipe
// include_cover_art = "no"; // set to "yes" to get Shairport Sync to solicit cover art from the source and pass it via the pipe. You must also set "enabled" to "yes".
// pipe_name = "/tmp/shairport-sync-metadata";
// pipe_timeout = 5000; // wait for this number of milliseconds for a blocked pipe to unblock before giving up
// socket_address = "226.0.0.1"; // if set to a host name or IP address, UDP packets containing metadata will be sent to this address. May be a multicast address. "socket-port" must be non-zero and "enabled" must be set to yes"
// socket_port = 5555; // if socket_address is set, the port to send UDP packets to
// socket_msglength = 65000; // the maximum packet size for any UDP metadata. This will be clipped to be between 500 or 65000. The default is 500.
};
// Advanced parameters for controlling how a Shairport Sync runs
sessioncontrol =
{
@@ -145,3 +103,44 @@ pipe =
// Static latency settings are deprecated and the settings have been removed.
dsp =
{
//////////////////////////////////////////
// This convolution filter can be used to apply almost any correction to the audio signal, like frequency and phase correction.
// For example you could measure (with a good microphone and a sweep-sine) the frequency response of your speakers + room,
// and apply a correction to get a flat response curve.
//////////////////////////////////////////
//
// convolution = "yes"; // Activate the convolution filter.
// convolution_ir_file = "impulse.wav"; // Impulse Response file to be convolved to the audio stream
// convolution_gain = -4.0; // Static gain applied to prevent clipping during the convolution process
// convolution_max_length = 44100; // Truncate the input file to this length in order to save CPU.
//////////////////////////////////////////
// This loudness filter is used to compensate for human ear non linearity.
// When the volume decreases, our ears loose more sentisitivity in the low range frequencies than in the mid range ones.
// This filter aims at compensating for this loss, applying a variable gain to low frequencies depending on the volume.
// More info can be found here: https://en.wikipedia.org/wiki/Equal-loudness_contour
// For this filter to work properly, you should disable (or set to a fix value) all other volume control and only let shairport-sync control your volume.
// The setting "loudness_reference_volume_db" should be set at the volume reported by shairport-sync when listening to music at a normal listening volume.
//////////////////////////////////////////
//
// loudness = "yes"; // Activate the filter
// loudness_reference_volume_db = -20.0; // Above this level the filter will have no effect anymore. Below this level it will gradually boost the low frequencies.
};
// How to deal with metadata, including artwork
metadata =
{
// enabled = "no"; // set this to yes to get Shairport Sync to solicit metadata from the source and to pass it on via a pipe
// include_cover_art = "no"; // set to "yes" to get Shairport Sync to solicit cover art from the source and pass it via the pipe. You must also set "enabled" to "yes".
// pipe_name = "/tmp/shairport-sync-metadata";
// pipe_timeout = 5000; // wait for this number of milliseconds for a blocked pipe to unblock before giving up
// socket_address = "226.0.0.1"; // if set to a host name or IP address, UDP packets containing metadata will be sent to this address. May be a multicast address. "socket-port" must be non-zero and "enabled" must be set to yes"
// socket_port = 5555; // if socket_address is set, the port to send UDP packets to
// socket_msglength = 65000; // the maximum packet size for any UDP metadata. This will be clipped to be between 500 or 65000. The default is 500.
};