diff options
-rw-r--r-- | Makefile | 29 | ||||
-rw-r--r-- | ponymix.1 | 116 | ||||
-rw-r--r-- | ponymix.cc | 642 | ||||
-rw-r--r-- | pulse.cc | 628 | ||||
-rw-r--r-- | pulse.h | 243 |
5 files changed, 1605 insertions, 53 deletions
@@ -1,15 +1,28 @@ -CC = gcc -std=gnu99 -CFLAGS := -Wall -Wextra -pedantic -O2 -g -D_REENTRANT $(CFLAGS) -LDLIBS := -lpulse -lm +CXX = g++ -std=c++11 -ponymix: ponymix.o +base_CXXFLAGS = -Wall -Wextra -pedantic -O2 -g +base_LIBS = -lm + +libpulse_CXXFLAGS = $(shell pkg-config --cflags libpulse) +libpulse_LIBS = $(shell pkg-config --libs libpulse) + +CXXFLAGS := \ + $(base_CXXFLAGS) \ + $(libpulse_CXXFLAGS) \ + $(CXXFLAGS) + +LDLIBS := \ + $(base_LIBS) \ + $(libpulse_LIBS) + +all: ponymix + +ponymix: ponymix.cc pulse.o +pulse.o: pulse.cc pulse.h install: ponymix install -Dm755 ponymix $(DESTDIR)/usr/bin/ponymix install -Dm644 ponymix.1 $(DESTDIR)/usr/share/man/man1/ponymix.1 -check: ponymix - ./runtests ./ponymix - clean: - $(RM) ponymix ponymix.o + $(RM) ponymix pulse.o @@ -1,4 +1,4 @@ -.TH ponymix "1" "August 12" "ponymix" "User Commands" +.TH ponymix "1" "2013-01-02" "ponymix" "User Commands" .SH NAME ponymix \- cli volume control for PulseAudio .SH SYNOPSIS @@ -8,65 +8,91 @@ ponymix \- cli volume control for PulseAudio perform many operations on both device and application sinks and source. .SH OPTIONS .PP -.IP "\fB\-d\fR, \fB\-\-device\fR" -Control input and output devices. -.IP "\fB\-a\fR, \fB\-\-app\fR" -Control the playback and recording streams. -.IP "\fB\-o\fR[\fB=\fR\fISINK\fR]\fR, \fB\-\-sink\fR[\fB=\fR\fISINK\fR], \fB\-\-output\fR[\fB=\fR\fISINK\fR]" -Specify the sink to control. If the argument is omitted, the default -sink is used. -\fISINK\fR must be the numeric index of the sink. -.IP "\fB\-i\fR[\fB=\fR\fISOURCE\fR]\fR, \fB\-\-source\fR[\fB=\fR\fISOURCE\fR], \fB\-\-input\fR[\fB=\fR\fISOURCE\fR]" -Specify the source to control. If the argument is omitted, -the default source is assumed. -\fISOURCE\fR must be the numeric index of the source. -.PP -When neither \fB\-o\fR nor \fB\-i\fR are specified, the default -source is used. When neither \fB\-d\fR nor \fB\-a\fR are specified, -devices are operated on. +.IP "\fB\-c\fR, \fB\-\-card\fR \fICARD\fR" +Specify a card. By default, the card associated with the specified device +is used. Cards can be specified by name or numeric index. +.IP "\fB\-d\fR, \fB\-\-device\fR \fIDEVICE\fR" +Specify a device other than the default. Devices can be specified by name +or numeric index. +.IP "\fB\-t\fR, \fB\-\-devtype\fR \fITYPE\fR" +Specify a device type to examine, usually in conjunction with the \fB--device\fR +flag. \fITYPE\fR must be one of \fIsink\fR, \fIsource\fR, \fIsink-input\fR, or +\fIsource-output\fR. +.IP "\fB--sink\fR, \fB--output\fR" +Aliases to \fB--devtype\fR \fIsink\fR. +.IP "\fB--source\fR, \fB--input\fR" +Aliases to \fB--devtype\fR \fIsource\fR. +.IP "\fB--source-output\fR" +Alias to \fB--devtype\fR \fIsource-output\fR. +.IP "\fB--sink-input\fR" +Alias to \fB--devtype\fR \fIsink-input\fR. .SH OPERATIONS -.SS Common Operations -These options work on both devices and applications. +.SS Generic Commands +.IP "\fBhelp\fR" +Display the usage and exit. +.SS Device Commands +These commands are specific to devices. Not all devices will support +all the listed commands. .PP .IP "\fBlist\fR" -List all available sinks and sources. +List all available devices. This can be filtered using the \fB--devtype\fR flag. +.IP "\fBlist-short\fR" +List all available devices in a parseable format. This can be filtered using the +\fB--devtype\fR flag. +.IP "\fBdefaults\fR" +Display the default sink and source. This is the default command if none +is specified. +.IP "\fBset-default\fR \fIDEVICE\fR" +Set a sink or source by name or numeric index as the default. .IP "\fBget-volume\fR" -Get the volume of the target. +Get the volume of a device. .IP "\fBset-volume\fR \fIVALUE\fR" -Set the volume of the target. VALUE is an integer between 0 and 150. +Set the volume of a device. \fIVALUE\fR is an integer between 0 and 150. .IP "\fBget-balance\fR" -Get the balance of the target. +Get the balance of a device. .IP "\fBset-balance\fR \fIVALUE\fR" -Set the balance of the target. VALUE is an integer from -100 (all left) to 100 +Set the balance of a device. \fIVALUE\fR is an integer from -100 (all left) to 100 (all right). .IP "\fBadj-balance\fR \fIVALUE\fR" -Adjust balance by the integer increment VALUE. The resulting balance has the same -bounds as those set by \fBset-balance\fR. The end-of-options indicator (\fI--\fR) is -required when passing a negative increment. +Adjust balance by the integer increment \fIVALUE\fR. The resulting balance has +the same bounds as those set by \fBset-balance\fR. The end-of-options indicator +(\fI--\fR) is required when passing a negative increment. .IP "\fBincrease\fR \fIVALUE\fR" -Increase the volume percentage of target device or application by integer +Increase the volume percentage of a device or application by integer VALUE. Increasing the volume in this way is capped at 100. .IP "\fBdecrease\fR \fIVALUE\fR" -Decrease the volume percentage of target by the integer VALUE. Decreasing the -volume in this way is capped at 0. +Decrease the volume percentage of a device by the integer \fIVALUE\fR. +Decreasing the volume in this way is capped at 0. .IP "\fBmute\fR, \fBunmute\fR, \fBtoggle\fR" -Mute, unmute, or toggle the mute status on the target. +Mute, unmute, or toggle the mute status of a device. .IP "\fBis-muted\fR" -Check if the target is muted. ponymix will exit with the status 0 if muted, -and non-zero otherwise. -.SS Device Operations +Check if a device is muted. ponymix will exit zero if muted, and non-zero +otherwise. +.SS Application Commands +These commands are specific to devices which refer to streams of applications. +For these commands, \fIsink\fR and \fIsource\fR are synonymous with \fIsink-input\fR +and \fIsource-output\fR, respectively. +.IP "\fBmove\fR \fIDEVICE\fR" +Move a device's stream to the given device, specified using the \fB--devtype\fR +and \fB--device\fR flags. Note that a source output can only be moved to +another source, and a sink input can only be moved to another sink. The type of +the target device will be inferred using this logic. +.IP "\fBkill\fR +Kill a device's stream, specified using the \fB--device\fR and \fB--devtype\fR +flags. This only applies to sink-inputs and source-outputs. +.SS Card Commands +These commands are specific to cards. .PP -.IP "\fBdefaults\fR" -Display the default sink and source. -.IP "\fBset-default\fR \fIDEVICE_ID\fR" -Set the default sink or source by numeric index, depending on whether -\fI\-i\fR or \fI\-o\fR was set. -.SS Application Operations - -.IP "\fBmove\fR \fIAPP_ID\fR \fIDEVICE_ID\fR" -Move the application's stream by numeric index to another device by numeric index. -.IP "\fBkill\fR \fIAPP_ID\fR" -Kill an application's stream by numeric index. +.IP "\fBlist-cards\fR" +List all available cards. +.IP "\fBlist-cards-short\fR" +List names for all available cards. +.IP "\fBlist-profiles\fR" +List profiles for a card. +.IP "\fBlist-profiles-short\fR" +List only names for the available profiles for a card. +.IP "\fBset-profile\fR" \fIPROFILE\fR +Set the specified profile for a card. .SH AUTHORS .nf Dave Reisner <dreisner@archlinux.org> diff --git a/ponymix.cc b/ponymix.cc new file mode 100644 index 0000000..fc20315 --- /dev/null +++ b/ponymix.cc @@ -0,0 +1,642 @@ +#include "pulse.h" + +#include <err.h> +#include <getopt.h> +#include <unistd.h> + +#include <algorithm> +#include <map> +#include <stdexcept> + +struct Command { + int (*fn)(PulseClient&, int, char*[]); + Range<int> args; +}; + +struct Color { + Color() { + if (isatty(fileno(stdout))) { + name = "\033[1m"; + reset = "\033[0m"; + over9000 = "\033[7;31m"; + veryhigh = "\033[31m"; + high = "\033[35m"; + mid = "\033[33m"; + low = "\033[32m"; + verylow = "\033[34m"; + mute = "\033[1;31m"; + } else { + name = ""; + reset = ""; + over9000 = ""; + veryhigh = ""; + high = ""; + mid = ""; + low = ""; + verylow = ""; + mute = ""; + } + } + + const char* name; + const char* reset; + + // Volume levels + const char* over9000; + const char* veryhigh; + const char* high; + const char* mid; + const char* low; + const char* verylow; + const char* mute; +}; + +static enum DeviceType opt_devtype; +static bool opt_listrestrict; +static const char* opt_action; +static const char* opt_device; +static const char* opt_card; +static Color color; + +static const char* type_to_string(enum DeviceType t) { + switch (t) { + case DEVTYPE_SINK: + return "sink"; + case DEVTYPE_SOURCE: + return "source"; + case DEVTYPE_SINK_INPUT: + return "sink-input"; + case DEVTYPE_SOURCE_OUTPUT: + return "source-output"; + } + + /* impossibiru! */ + throw std::out_of_range("device type out of range"); +} + +static enum DeviceType string_to_devtype_or_die(const char* str) { + static std::map<string, enum DeviceType> typemap = { + { "sink", DEVTYPE_SINK }, + { "source", DEVTYPE_SOURCE }, + { "sink-input", DEVTYPE_SINK_INPUT }, + { "source-output", DEVTYPE_SOURCE_OUTPUT }, + }; + try { + return typemap.at(str); + } catch(std::out_of_range) { + errx(1, "error: Invalid device type specified: %s", str); + } +} + +static Device* string_to_device_or_die(PulseClient& ponymix, + string arg, + enum DeviceType type) { + Device* device = ponymix.GetDevice(arg, type); + if (device == nullptr) errx(1, "no match found for device: %s", arg.c_str()); + return device; +} + +static void Print(const Device& device, bool shirt) { + if (shirt) { + printf("%s\t%d\t%s\t%s\n", + type_to_string(device.Type()), + device.Index(), + device.Name().c_str(), + device.Desc().c_str()); + return; + } + + const char *mute = device.Muted() ? " [Muted]" : ""; + const char *volume_color; + + if (device.Volume() < 20) { + volume_color = color.verylow; + } else if (device.Volume() < 40) { + volume_color = color.low; + } else if (device.Volume() < 60) { + volume_color = color.mid; + } else if (device.Volume() < 80) { + volume_color = color.high; + } else if (device.Volume() <= 100) { + volume_color = color.veryhigh; + } else { + volume_color = color.over9000; + } + + printf("%s%s %d:%s %s\n" + " %s\n" + " Avg. Volume: %s%d%%%s%s%s%s\n", + color.name, + type_to_string(device.Type()), + device.Index(), + color.reset, + device.Name().c_str(), + device.Desc().c_str(), + volume_color, + device.Volume(), + color.reset, + color.mute, + mute, + color.reset); +} + +static void Print(const Card& card, bool shirt) { + if (shirt) { + printf("%s\n", card.Name().c_str()); + return; + } + + printf("%scard %d:%s %s\n" + " Driver: %s\n" + " Active Profile: %s\n", + color.name, + card.Index(), + color.reset, + card.Name().c_str(), + card.Driver().c_str(), + card.ActiveProfile().name.c_str()); +} + +static void Print(const Profile& profile, bool active, bool shirt) { + if (shirt) { + printf("%s\n", profile.name.c_str()); + return; + } + + const char* active_str = active ? " [active]" : ""; + printf("%s%s%s%s%s%s\n" + " %s\n", + color.name, + profile.name.c_str(), + color.reset, + color.low, + active_str, + color.reset, + profile.desc.c_str()); +} + +static int ShowDefaults(PulseClient& ponymix, int, char*[]) { + const auto& info = ponymix.GetDefaults(); + Print(*ponymix.GetSink(info.sink), false); + Print(*ponymix.GetSource(info.source), false); + return 0; +} + +static int list_devices(PulseClient& ponymix, bool shirt) { + if (opt_listrestrict) { + const auto& devices = ponymix.GetDevices(opt_devtype); + for (const auto& d : devices) Print(d, shirt); + return 0; + } + + const auto& sinks = ponymix.GetSinks(); + for (const auto& s : sinks) Print(s, shirt); + + const auto& sources = ponymix.GetSources(); + for (const auto& s : sources) Print(s, shirt); + + const auto& sinkinputs = ponymix.GetSinkInputs(); + for (const auto& s : sinkinputs) Print(s, shirt); + + const auto& sourceoutputs = ponymix.GetSourceOutputs(); + for (const auto& s : sourceoutputs) Print(s, shirt); + + return 0; +} + +static int List(PulseClient& ponymix, int, char*[]) { + return list_devices(ponymix, false); +} + +static int ListShort(PulseClient& ponymix, int, char*[]) { + return list_devices(ponymix, true); +} + +static int list_cards(PulseClient& ponymix, bool shirt) { + const auto& cards = ponymix.GetCards(); + for (const auto& c : cards) Print(c, shirt); + + return 0; +} + +static int ListCards(PulseClient& ponymix, int, char*[]) { + return list_cards(ponymix, false); +} + +static int ListCardsShort(PulseClient& ponymix, int, char*[]) { + return list_cards(ponymix, true); +} + +static Card* resolve_active_card_or_die(PulseClient& ponymix) { + Card* card; + if (opt_card == nullptr) { + auto device = string_to_device_or_die(ponymix, opt_device, opt_devtype); + card = ponymix.GetCard(*device); + if (card == nullptr) errx(1, "error: no card found or selected."); + } else { + card = ponymix.GetCard(opt_card); + if (card == nullptr) { + errx(1, "error: no match found for card: %s", opt_card); + } + } + + return card; +} + +static int list_profiles(PulseClient& ponymix, bool shirt) { + auto card = resolve_active_card_or_die(ponymix); + + const auto& profiles = card->Profiles(); + for (const auto& p : profiles) Print(p, + p.name == card->ActiveProfile().name, + shirt); + + return 0; +} + +static int ListProfiles(PulseClient& ponymix, int, char*[]) { + return list_profiles(ponymix, false); +} + +static int ListProfilesShort(PulseClient& ponymix, int, char*[]) { + return list_profiles(ponymix, true); +} + +static int GetVolume(PulseClient& ponymix, int, char*[]) { + auto device = string_to_device_or_die(ponymix, opt_device, opt_devtype); + printf("%d\n", device->Volume()); + return 0; +} + +static int SetVolume(PulseClient& ponymix, int, char* argv[]) { + auto device = string_to_device_or_die(ponymix, opt_device, opt_devtype); + + long volume; + try { + volume = std::stol(argv[0]); + } catch (std::invalid_argument) { + errx(1, "error: failed to convert string to integer: %s", argv[0]); + } + + if (!ponymix.SetVolume(*device, volume)) return 1; + + printf("%d\n", device->Volume()); + + return 0; +} + +static int GetBalance(PulseClient& ponymix, int, char*[]) { + auto device = string_to_device_or_die(ponymix, opt_device, opt_devtype); + printf("%d\n", device->Balance()); + return 0; +} + +static int SetBalance(PulseClient& ponymix, int, char* argv[]) { + auto device = string_to_device_or_die(ponymix, opt_device, opt_devtype); + + long balance; + try { + balance = std::stol(argv[0]); + } catch (std::invalid_argument) { + errx(1, "error: failed to convert string to integer: %s", argv[0]); + } + + if (!ponymix.SetBalance(*device, balance)) return 1; + + printf("%d\n", device->Balance()); + + return 0; +} + +static int AdjBalance(PulseClient& ponymix, int, char* argv[]) { + auto device = string_to_device_or_die(ponymix, opt_device, opt_devtype); + + long balance; + try { + balance = std::stol(argv[0]); + } catch (std::invalid_argument) { + errx(1, "error: failed to convert string to integer: %s", argv[0]); + } + + if (!ponymix.SetBalance(*device, device->Balance() + balance)) return 1; + + printf("%d\n", device->Balance()); + + return 0; +} + +static int IncreaseVolume(PulseClient& ponymix, int, char* argv[]) { + auto device = string_to_device_or_die(ponymix, opt_device, opt_devtype); + + long delta; + try { + delta = std::stol(argv[0]); + } catch (std::invalid_argument) { + errx(1, "error: failed to convert string to integer: %s", argv[0]); + } + + if (!ponymix.SetVolume(*device, device->Volume() + delta)) return 1; + + printf("%d\n", device->Volume()); + + return 0; +} + +static int DecreaseVolume(PulseClient& ponymix, int, char* argv[]) { + auto device = string_to_device_or_die(ponymix, opt_device, opt_devtype); + + long delta; + try { + delta = std::stol(argv[0]); + } catch (std::invalid_argument) { + errx(1, "error: failed to convert string to integer: %s", argv[0]); + } + + if (!ponymix.SetVolume(*device, device->Volume() - delta)) return 1; + + printf("%d\n", device->Volume()); + + return 0; +} + +static int Mute(PulseClient& ponymix, int, char*[]) { + auto device = string_to_device_or_die(ponymix, opt_device, opt_devtype); + + if (!ponymix.SetMute(*device, true)) return 1; + + printf("%d\n", device->Volume()); + + return 0; +} + +static int Unmute(PulseClient& ponymix, int, char*[]) { + auto device = string_to_device_or_die(ponymix, opt_device, opt_devtype); + + if (!ponymix.SetMute(*device, false)) return 1; + + printf("%d\n", device->Volume()); + + return 0; +} + +static int ToggleMute(PulseClient& ponymix, int, char*[]) { + auto device = string_to_device_or_die(ponymix, opt_device, opt_devtype); + + if (!ponymix.SetMute(*device, !ponymix.IsMuted(*device))) return 1; + + printf("%d\n", device->Volume()); + + return 0; +} + +static int IsMuted(PulseClient& ponymix, int, char*[]) { + auto device = string_to_device_or_die(ponymix, opt_device, opt_devtype); + return !ponymix.IsMuted(*device); +} + +static int SetDefault(PulseClient& ponymix, int, char*[]) { + auto device = string_to_device_or_die(ponymix, opt_device, opt_devtype); + + return !ponymix.SetDefault(*device); +} + +static int GetProfile(PulseClient& ponymix, int, char*[]) { + auto card = resolve_active_card_or_die(ponymix); + printf("%s\n", card->ActiveProfile().name.c_str()); + + return true; +} + +static int SetProfile(PulseClient& ponymix, int, char* argv[]) { + auto card = resolve_active_card_or_die(ponymix); + return !ponymix.SetProfile(*card, argv[0]); +} + +static int Move(PulseClient& ponymix, int, char* argv[]) { + // this assignment is a lie. stfu g++ + enum DeviceType target_devtype = opt_devtype; + switch (opt_devtype) { + case DEVTYPE_SOURCE: + opt_devtype = DEVTYPE_SOURCE_OUTPUT; + case DEVTYPE_SOURCE_OUTPUT: + target_devtype = DEVTYPE_SOURCE; + break; + case DEVTYPE_SINK: + opt_devtype = DEVTYPE_SINK_INPUT; + case DEVTYPE_SINK_INPUT: + target_devtype = DEVTYPE_SINK; + break; + } + + // Does this even work? + auto source = string_to_device_or_die(ponymix, opt_device, opt_devtype); + auto target = string_to_device_or_die(ponymix, argv[0], target_devtype); + + return !ponymix.Move(*source, *target); +} + +static int Kill(PulseClient& ponymix, int, char*[]) { + switch (opt_devtype) { + case DEVTYPE_SOURCE: + opt_devtype = DEVTYPE_SOURCE_OUTPUT; + break; + case DEVTYPE_SINK: + opt_devtype = DEVTYPE_SINK_INPUT; + break; + default: + break; + } + + auto device = string_to_device_or_die(ponymix, opt_device, opt_devtype); + + return !ponymix.Kill(*device); +} + +static const Command& string_to_command(const char* str) { + static std::map<string, const Command> actionmap = { + // command name function arg min arg max + { "defaults", { ShowDefaults, { 0, 0 } } }, + { "list", { List, { 0, 0 } } }, + { "list-short", { ListShort, { 0, 0 } } }, + { "list-cards", { ListCards, { 0, 0 } } }, + { "list-cards-short", { ListCardsShort, { 0, 0 } } }, + { "list-profiles", { ListProfiles, { 0, 0 } } }, + { "list-profiles-short", { ListProfilesShort, { 0, 0 } } }, + { "get-volume", { GetVolume, { 0, 0 } } }, + { "set-volume", { SetVolume, { 1, 1 } } }, + { "get-balance", { GetBalance, { 0, 0 } } }, + { "set-balance", { SetBalance, { 1, 1 } } }, + { "adj-balance", { AdjBalance, { 1, 1 } } }, + { "increase", { IncreaseVolume, { 1, 1 } } }, + { "decrease", { DecreaseVolume, { 1, 1 } } }, + { "mute", { Mute, { 0, 0 } } }, + { "unmute", { Unmute, { 0, 0 } } }, + { "toggle", { ToggleMute, { 0, 0 } } }, + { "is-muted", { IsMuted, { 0, 0 } } }, + { "set-default", { SetDefault, { 0, 0 } } }, + { "get-profile", { GetProfile, { 0, 0 } } }, + { "set-profile", { SetProfile, { 1, 1 } } }, + { "move", { Move, { 1, 1 } } }, + { "kill", { Kill, { 0, 0 } } } + }; + + try { + return actionmap.at(str); + } catch(std::out_of_range) { + errx(1, "error: Invalid action specified: %s", str); + } +} + +static void usage() { + printf("usage: %s [options] <command>...\n", program_invocation_short_name); + fputs("\nOptions:\n" + " -h, --help display this help and exit\n\n" + + " -c, --card CARD target card (index or name)\n" + " -d, --device DEVICE target device (index or name)\n" + " -t, --devtype TYPE device type\n" + " --source alias to -t source\n" + " --input alais to -t source\n" + " --sink alias to -t sink\n" + " --output alias to -t sink\n" + " --sink-input alias to -t sink-input\n" + " --source-output alias to -t source-output\n", stdout); + + fputs("\nDevice Commands:\n" + " help display this message\n" + " defaults list default devices (default command)\n" + " set-default set default device by ID\n" + " list list available devices\n" + " list-short list available devices (short form)\n" + " list-cards list available cards\n" + " list-cards-short list available cards (short form)\n" + " get-volume get volume for device\n" + " set-volume VALUE set volume for device\n" + " get-balance get balance for device\n" + " set-balance VALUE set balance for device\n" + " adj-balance VALUE increase or decrease balance for device\n" + " increase VALUE increase volume\n", stdout); + fputs(" decrease VALUE decrease volume\n" + " mute mute device\n" + " unmute unmute device\n" + " toggle toggle mute\n" + " is-muted check if muted\n", stdout); + fputs("\nApplication Commands:\n" + " move DEVICE move target device to DEVICE\n" + " kill DEVICE kill target DEVICE\n", stdout); + + fputs("\nCard Commands:\n" + " list-profiles list available profiles for a card\n" + " list-profiles-short list available profiles for a card (short form)\n" + " get-profile get active profile for card\n" + " set-profile PROFILE set profile for a card\n", stdout); + + exit(EXIT_SUCCESS); +} + +void error_wrong_args(const Command& cmd, const char* cmdname) { + if (cmd.args.min == cmd.args.max) { + errx(1, "error: %s takes exactly %d argument%c", + cmdname, cmd.args.min, cmd.args.min == 1 ? '\0' : 's'); + } else { + errx(1, "error: %s takes %d to %d arguments\n", + cmdname, cmd.args.min, cmd.args.max); + } +} + +static int CommandDispatch(PulseClient& ponymix, int argc, char *argv[]) { + if (argc > 0) { + opt_action = argv[0]; + argv++; + argc--; + } + + if (strcmp(opt_action, "help") == 0) { + usage(); + return 0; + } + + const Command& cmd = string_to_command(opt_action); + if (cmd.args.InRange(argc) != 0) error_wrong_args(cmd, opt_action); + + return cmd.fn(ponymix, argc, argv); +} + +bool parse_options(int argc, char** argv) { + static const struct option opts[] = { + { "card", required_argument, 0, 'c' }, + { "device", required_argument, 0, 'd' }, + { "help", no_argument, 0, 'h' }, + { "type", required_argument, 0, 't' }, + { "sink", no_argument, 0, 0x100 }, + { "output", no_argument, 0, 0x101 }, + { "source", no_argument, 0, 0x102 }, + { "input", no_argument, 0, 0x103 }, + { "sink-input", no_argument, 0, 0x104 }, + { "source-output", no_argument, 0, 0x105 }, + { 0, 0, 0, 0 }, + }; + + for (;;) { + int opt = getopt_long(argc, argv, "c:d:ht:", opts, NULL); + if (opt == -1) + break; + + switch (opt) { + case 'c': + opt_card = optarg; + break; + case 'd': + opt_device = optarg; + break; + case 'h': + usage(); + break; + case 't': + opt_devtype = string_to_devtype_or_die(optarg); + break; + case 0x100: + case 0x101: + opt_devtype = DEVTYPE_SINK; + opt_listrestrict = true; + break; + case 0x102: + case 0x103: + opt_devtype = DEVTYPE_SOURCE; + opt_listrestrict = true; + break; + case 0x104: + opt_devtype = DEVTYPE_SINK_INPUT; + opt_listrestrict = true; + break; + case 0x105: + opt_devtype = DEVTYPE_SOURCE_OUTPUT; + opt_listrestrict = true; + break; + default: + return false; + } + } + + return true; +} + +int main(int argc, char* argv[]) { + PulseClient ponymix("ponymix"); + ponymix.Populate(); + + // defaults. intentionally, we don't set a card -- only get + // that on demand if a function needs it. + ServerInfo defaults = ponymix.GetDefaults(); + opt_action = "defaults"; + opt_devtype = DEVTYPE_SINK; + opt_device = defaults.sink.c_str(); + + if (!parse_options(argc, argv)) return 1; + argc -= optind; + argv += optind; + + return CommandDispatch(ponymix, argc, argv); +} + +// vim: set et ts=2 sw=2: diff --git a/pulse.cc b/pulse.cc new file mode 100644 index 0000000..0488717 --- /dev/null +++ b/pulse.cc @@ -0,0 +1,628 @@ +// Self +#include "pulse.h" + +// C +#include <err.h> +#include <math.h> +#include <stdio.h> +#include <stdlib.h> + +// C++ +#include <string> +#include <algorithm> +#include <stdexcept> + +// External +#include <pulse/pulseaudio.h> + +namespace { +static void connect_state_cb(pa_context* context, void* raw) { + enum pa_context_state *state = (enum pa_context_state*)raw; + *state = pa_context_get_state(context); +} + +static void success_cb(pa_context* context, int success, void* raw) { + int *r = (int*)raw; + *r = success; + if (!success) { + fprintf(stderr, + "operation failed: %s\n", + pa_strerror(pa_context_errno(context))); + } +} + +static void card_info_cb(pa_context* context, + const pa_card_info* info, + int eol, + void* raw) { + if (eol < 0) { + fprintf(stderr, "%s error in %s: \n", __func__, + pa_strerror(pa_context_errno(context))); + return; + } + + if (!eol) { + vector<Card>* cards = (vector<Card>*)raw; + cards->push_back(info); + } +} + +template<typename T> +static void device_info_cb(pa_context* context, + const T* info, + int eol, + void* raw) { + if (eol < 0) { + fprintf(stderr, "%s error in %s: \n", __func__, + pa_strerror(pa_context_errno(context))); + return; + } + + if (!eol) { + vector<Device>* devices_ = (vector<Device>*)raw; + devices_->push_back(info); + } +} + +static void server_info_cb(pa_context* context __attribute__((unused)), + const pa_server_info* i, + void* raw) { + ServerInfo* defaults = (ServerInfo*)raw; + defaults->sink = i->default_sink_name; + defaults->source = i->default_source_name; +} + +static pa_cvolume* value_to_cvol(long value, pa_cvolume *cvol) { + return pa_cvolume_set(cvol, cvol->channels, + fmax((double)(value + .5) * PA_VOLUME_NORM / 100, 0)); +} + +static int volume_as_percent(const pa_cvolume* cvol) { + return pa_cvolume_avg(cvol) * 100.0 / PA_VOLUME_NORM; +} + +static int xstrtol(const char *str, long *out) { + char *end = NULL; + + if (str == NULL || *str == '\0') return -1; + errno = 0; + + *out = strtol(str, &end, 10); + if (errno || str == end || (end && *end)) return -1; + + return 0; +} + + +} // anonymous namespace + +PulseClient::PulseClient(string client_name) : + client_name_(client_name), + volume_range_(0, 150), + balance_range_(-100, 100) { + enum pa_context_state state = PA_CONTEXT_CONNECTING; + + pa_proplist* proplist = pa_proplist_new(); + pa_proplist_sets(proplist, PA_PROP_APPLICATION_NAME, client_name.c_str()); + pa_proplist_sets(proplist, PA_PROP_APPLICATION_ID, "com.falconindy.ponymix"); + pa_proplist_sets(proplist, PA_PROP_APPLICATION_VERSION, "0.1"); + pa_proplist_sets(proplist, PA_PROP_APPLICATION_ICON_NAME, "audio-card"); + + mainloop_ = pa_mainloop_new(); + context_ = pa_context_new_with_proplist(pa_mainloop_get_api(mainloop_), + nullptr, proplist); + + pa_proplist_free(proplist); + + pa_context_set_state_callback(context_, connect_state_cb, &state); + pa_context_connect(context_, nullptr, PA_CONTEXT_NOFAIL, nullptr); + while (state != PA_CONTEXT_READY && state != PA_CONTEXT_FAILED) { + pa_mainloop_iterate(mainloop_, 1, nullptr); + } + + if (state != PA_CONTEXT_READY) { + fprintf(stderr, "failed to connect to pulse daemon: %s\n", + pa_strerror(pa_context_errno(context_))); + exit(EXIT_FAILURE); + } +} + +// +// Pulse Client +// +PulseClient::~PulseClient() { + pa_context_unref(context_); + pa_mainloop_free(mainloop_); +} + +void PulseClient::Populate() { + populate_server_info(); + populate_sinks(); + populate_sources(); + populate_cards(); +} + +Card* PulseClient::GetCard(const uint32_t& index) { + for (Card& card : cards_) { + if (card.index_ == index) return &card; + } + return nullptr; +} + +Card* PulseClient::GetCard(const string& name) { + long val; + if (xstrtol(name.c_str(), &val) == 0) return GetCard(val); + + for (Card& card : cards_) { + if (card.name_ == name) return &card; + } + return nullptr; +} + +Card* PulseClient::GetCard(const Device& device) { + for (Card& card : cards_) { + if (device.card_idx_ == card.index_) return &card; + } + return nullptr; +} + +Device* PulseClient::get_device(vector<Device>& devices, const uint32_t& index) { + for (Device& device : devices) { + if (device.index_ == index) return &device; + } + return nullptr; +} + +Device* PulseClient::get_device(vector<Device>& devices, const string& name) { + long val; + if (xstrtol(name.c_str(), &val) == 0) return get_device(devices, val); + + for (Device& device : devices) { + if (device.name_ == name) return &device; + } + return nullptr; +} + +Device* PulseClient::GetDevice(const uint32_t& index, enum DeviceType type) { + switch (type) { + case DEVTYPE_SINK: + return GetSink(index); + case DEVTYPE_SOURCE: + return GetSource(index); + case DEVTYPE_SINK_INPUT: + return GetSinkInput(index); + case DEVTYPE_SOURCE_OUTPUT: + return GetSourceOutput(index); + } + throw std::runtime_error("Impossible DeviceType encountered in GetDevice"); +} + +Device* PulseClient::GetDevice(const string& name, enum DeviceType type) { + switch (type) { + case DEVTYPE_SINK: + return GetSink(name); + case DEVTYPE_SOURCE: + return GetSource(name); + case DEVTYPE_SINK_INPUT: + return GetSinkInput(name); + case DEVTYPE_SOURCE_OUTPUT: + return GetSourceOutput(name); + } + throw std::runtime_error("Impossible DeviceType encountered in GetDevice"); +} + +const vector<Device>& PulseClient::GetDevices(enum DeviceType type) const { + switch (type) { + case DEVTYPE_SINK: + return GetSinks(); + case DEVTYPE_SOURCE: + return GetSources(); + case DEVTYPE_SINK_INPUT: + return GetSinkInputs(); + case DEVTYPE_SOURCE_OUTPUT: + return GetSourceOutputs(); + } + throw std::runtime_error("Impossible DeviceType encountered in GetDevices"); +} + +Device* PulseClient::GetSink(const uint32_t& index) { + return get_device(sinks_, index); +} + +Device* PulseClient::GetSink(const string& name) { + return get_device(sinks_, name); +} + +Device* PulseClient::GetSource(const uint32_t& index) { + return get_device(sources_, index); +} + +Device* PulseClient::GetSource(const string& name) { + return get_device(sources_, name); +} + +Device* PulseClient::GetSinkInput(const uint32_t& index) { + return get_device(sink_inputs_, index); +} + +Device* PulseClient::GetSinkInput(const string& name) { + return get_device(sink_inputs_, name); +} + +Device* PulseClient::GetSourceOutput(const uint32_t& index) { + return get_device(source_outputs_, index); +} + +Device* PulseClient::GetSourceOutput(const string& name) { + return get_device(source_outputs_, name); +} + +void PulseClient::mainloop_iterate(pa_operation* op) { + int r; + while (pa_operation_get_state(op) == PA_OPERATION_RUNNING) { + pa_mainloop_iterate(mainloop_, 1, &r); + } +} + +void PulseClient::populate_cards() { + cards_.clear(); + pa_operation* op = pa_context_get_card_info_list(context_, + card_info_cb, + (void*)&cards_); + mainloop_iterate(op); + pa_operation_unref(op); +} + +void PulseClient::populate_server_info() { + pa_operation* op = pa_context_get_server_info(context_, + server_info_cb, + &defaults_); + mainloop_iterate(op); + pa_operation_unref(op); +} + +void PulseClient::populate_sinks() { + sinks_.clear(); + pa_operation* op = pa_context_get_sink_info_list(context_, + device_info_cb, + (void*)&sinks_); + mainloop_iterate(op); + pa_operation_unref(op); + + sink_inputs_.clear(); + op = pa_context_get_sink_input_info_list(context_, + device_info_cb, + (void*)&sink_inputs_); + mainloop_iterate(op); + pa_operation_unref(op); +} + +void PulseClient::populate_sources() { + sources_.clear(); + pa_operation* op = pa_context_get_source_info_list(context_, + device_info_cb, + (void*)&sources_); + mainloop_iterate(op); + pa_operation_unref(op); + + source_outputs_.clear(); + op = pa_context_get_source_output_info_list(context_, + device_info_cb, + (void*)&source_outputs_); + mainloop_iterate(op); + pa_operation_unref(op); +} + +bool PulseClient::SetMute(Device& device, bool mute) { + int success; + + if (device.ops_.Mute == nullptr) { + warnx("device does not support muting."); + return false; + } + + pa_operation* op = device.ops_.Mute(context_, + device.index_, + mute, + success_cb, + &success); + mainloop_iterate(op); + pa_operation_unref(op); + + if (success) device.mute_ = mute; + + return success; +} + +bool PulseClient::SetVolume(Device& device, long volume) { + int success; + + if (device.ops_.SetVolume == nullptr) { + warnx("device does not support setting balance."); + return false; + } + + volume = volume_range_.Clamp(volume); + const pa_cvolume *cvol = value_to_cvol(volume, &device.volume_); + pa_operation* op = device.ops_.SetVolume(context_, + device.index_, + cvol, + success_cb, + &success); + mainloop_iterate(op); + pa_operation_unref(op); + + if (success) device.update_volume(*cvol); + + return success; +} + +bool PulseClient::IncreaseVolume(Device& device, long increment) { + return SetVolume(device, device.volume_percent_ + increment); +} + +bool PulseClient::DecreaseVolume(Device& device, long increment) { + return SetVolume(device, device.volume_percent_ - increment); +} + +bool PulseClient::SetBalance(Device& device, long balance) { + int success; + + if (device.ops_.SetVolume == nullptr) { + warnx("device does not support setting balance."); + return false; + } + + balance = balance_range_.Clamp(balance); + pa_cvolume *cvol = pa_cvolume_set_balance(&device.volume_, + &device.channels_, + balance / 100.0); + pa_operation* op = device.ops_.SetVolume(context_, + device.index_, + cvol, + success_cb, + &success); + mainloop_iterate(op); + pa_operation_unref(op); + + if (success) device.update_volume(*cvol); + + return success; +} + +bool PulseClient::IncreaseBalance(Device& device, long increment) { + return SetBalance(device, device.balance_ + increment); +} + +bool PulseClient::DecreaseBalance(Device& device, long increment) { + return SetBalance(device, device.balance_ - increment); +} + +int PulseClient::GetVolume(const Device& device) const { + return device.Volume(); +} + +int PulseClient::GetBalance(const Device& device) const { + return device.Balance(); +} + +bool PulseClient::SetProfile(Card& card, const string& profile) { + int success; + pa_operation* op = + pa_context_set_card_profile_by_index(context_, + card.index_, + profile.c_str(), + success_cb, + &success); + mainloop_iterate(op); + pa_operation_unref(op); + + if (success) { + // Update the profile + for (const Profile p : card.profiles_) { + if (p.name == profile) { + card.active_profile_ = p; + break; + } + } + } + + return success; +} + +bool PulseClient::Move(Device& source, Device& dest) { + int success; + + if (source.ops_.Move == nullptr) { + warnx("source device does not support moving."); + return false; + } + + pa_operation* op = source.ops_.Move(context_, + source.index_, + dest.index_, + success_cb, + &success); + mainloop_iterate(op); + pa_operation_unref(op); + + return success; +} + +bool PulseClient::Kill(Device& device) { + int success; + + if (device.ops_.Kill == nullptr) { + warnx("source device does not support being killed."); + return false; + } + + pa_operation* op = device.ops_.Kill(context_, + device.index_, + success_cb, + &success); + mainloop_iterate(op); + pa_operation_unref(op); + + if (success) remove_device(device); + + return success; +} + +bool PulseClient::SetDefault(Device& device) { + int success; + + if (device.ops_.SetDefault == nullptr) { + warnx("device does not support defaults"); + return false; + } + + pa_operation* op = device.ops_.SetDefault(context_, + device.name_.c_str(), + success_cb, + &success); + mainloop_iterate(op); + pa_operation_unref(op); + + if (success) { + switch (device.type_) { + case DEVTYPE_SINK: + defaults_.sink = device.name_; + break; + case DEVTYPE_SOURCE: + defaults_.source = device.name_; + break; + default: + errx(1, "impossible to set a default for device type %d", + device.type_); + } + } + + return success; +} + +void PulseClient::remove_device(Device& device) { + vector<Device>* devlist; + + switch (device.type_) { + case DEVTYPE_SINK: + devlist = &sinks_; + case DEVTYPE_SINK_INPUT: + devlist = &sink_inputs_; + break; + case DEVTYPE_SOURCE: + devlist = &sources_; + break; + case DEVTYPE_SOURCE_OUTPUT: + devlist = &source_outputs_; + break; + } + devlist->erase( + std::remove_if( + devlist->begin(), devlist->end(), + [=](Device& d) { return d.index_ == device.index_; }), + devlist->end()); +} + +// +// Cards +// +Card::Card(const pa_card_info* info) : + index_(info->index), + name_(info->name), + owner_module_(info->owner_module), + driver_(info->driver), + active_profile_(*info->active_profile) { + for (int i = 0; info->profiles[i].name != nullptr; i++) { + profiles_.push_back(info->profiles[i]); + } +} + +// +// Devices +// +Device::Device(const pa_sink_info* info) : + type_(DEVTYPE_SINK), + index_(info->index), + name_(info->name ? info->name : ""), + desc_(info->description), + mute_(info->mute), + card_idx_(info->card) { + update_volume(info->volume); + memcpy(&channels_, &info->channel_map, sizeof(pa_channel_map)); + balance_ = pa_cvolume_get_balance(&volume_, &channels_) * 100.0; + + ops_.SetVolume = pa_context_set_sink_volume_by_index; + ops_.Mute = pa_context_set_sink_mute_by_index; + ops_.Kill = nullptr; + ops_.Move = nullptr; + ops_.SetDefault = pa_context_set_default_sink; +} + +Device::Device(const pa_source_info* info) : + type_(DEVTYPE_SOURCE), + index_(info->index), + name_(info->name ? info->name : ""), + desc_(info->description), + mute_(info->mute), + card_idx_(info->card) { + update_volume(info->volume); + memcpy(&channels_, &info->channel_map, sizeof(pa_channel_map)); + balance_ = pa_cvolume_get_balance(&volume_, &channels_) * 100.0; + + ops_.SetVolume = pa_context_set_source_volume_by_index; + ops_.Mute = pa_context_set_source_mute_by_index; + ops_.Kill = nullptr; + ops_.Move = nullptr; + ops_.SetDefault = pa_context_set_default_source; +} + +Device::Device(const pa_sink_input_info* info) : + type_(DEVTYPE_SINK_INPUT), + index_(info->index), + name_(info->name ? info->name : ""), + mute_(info->mute), + card_idx_(-1) { + update_volume(info->volume); + memcpy(&channels_, &info->channel_map, sizeof(pa_channel_map)); + balance_ = pa_cvolume_get_balance(&volume_, &channels_) * 100.0; + + const char *desc = pa_proplist_gets(info->proplist, + PA_PROP_APPLICATION_NAME); + if (desc) desc_ = desc; + + ops_.SetVolume = pa_context_set_sink_input_volume; + ops_.Mute = pa_context_set_sink_input_mute; + ops_.Kill = pa_context_kill_sink_input; + ops_.Move = pa_context_move_sink_input_by_index; + ops_.SetDefault = nullptr; +} + +Device::Device(const pa_source_output_info* info) : + type_(DEVTYPE_SOURCE_OUTPUT), + index_(info->index), + name_(info->name ? info->name : ""), + mute_(info->mute), + card_idx_(-1) { + update_volume(info->volume); + volume_percent_ = volume_as_percent(&volume_); + balance_ = pa_cvolume_get_balance(&volume_, &channels_) * 100.0; + + const char *desc = pa_proplist_gets(info->proplist, + PA_PROP_APPLICATION_NAME); + if (desc) desc_ = desc; + + ops_.SetVolume = pa_context_set_source_output_volume; + ops_.Mute = pa_context_set_source_output_mute; + ops_.Kill = pa_context_kill_source_output; + ops_.Move = pa_context_move_source_output_by_index; + ops_.SetDefault = nullptr; +} + +void Device::update_volume(const pa_cvolume& newvol) { + memcpy(&volume_, &newvol, sizeof(pa_cvolume)); + volume_percent_ = volume_as_percent(&volume_); + balance_ = pa_cvolume_get_balance(&volume_, &channels_) * 100.0; +} + +// vim: set et ts=2 sw=2: @@ -0,0 +1,243 @@ +#pragma once + +// C +#include <string.h> + +// C++ +#include <memory> +#include <string> +#include <vector> + +// external +#include <pulse/pulseaudio.h> + +using std::string; +using std::vector; +using std::unique_ptr; + +enum DeviceType { + DEVTYPE_SINK, + DEVTYPE_SOURCE, + DEVTYPE_SINK_INPUT, + DEVTYPE_SOURCE_OUTPUT, +}; + +struct Profile { + Profile(const pa_card_profile_info& info) : + name(info.name), + desc(info.description) {} + + string name; + string desc; +}; + +struct Operations { + pa_operation* (*Mute)(pa_context*, uint32_t, int, pa_context_success_cb_t, void*); + pa_operation* (*SetVolume)(pa_context*, uint32_t, const pa_cvolume*, pa_context_success_cb_t, void*); + pa_operation* (*SetDefault)(pa_context*, const char*, pa_context_success_cb_t, void*); + pa_operation* (*Kill)(pa_context*, uint32_t, pa_context_success_cb_t, void*); + pa_operation* (*Move)(pa_context *, uint32_t, uint32_t, pa_context_success_cb_t, void *); +}; + +class Device { + public: + Device(const pa_source_info* info); + Device(const pa_sink_info* info); + Device(const pa_sink_input_info* info); + Device(const pa_source_output_info* info); + + uint32_t Index() const { return index_; } + const string& Name() const { return name_; } + const string& Desc() const { return desc_; } + int Volume() const { return volume_percent_; } + int Balance() const { return balance_; } + bool Muted() const { return mute_; } + enum DeviceType Type() const { return type_; } + + private: + friend class PulseClient; + + void update_volume(const pa_cvolume& newvol); + + enum DeviceType type_; + uint32_t index_; + string name_; + string desc_; + pa_cvolume volume_; + int volume_percent_; + pa_channel_map channels_; + int mute_; + int balance_; + uint32_t card_idx_; + Operations ops_; +}; + +class Card { + public: + Card(const pa_card_info* info); + + const string& Name() const { return name_; } + uint32_t Index() const { return index_; } + const string& Driver() const { return driver_; } + + const vector<Profile>& Profiles() const { return profiles_; } + const Profile& ActiveProfile() const { return active_profile_; } + + private: + friend class PulseClient; + + uint32_t index_; + string name_; + uint32_t owner_module_; + string driver_; + vector<Profile> profiles_; + Profile active_profile_; +}; + +struct ServerInfo { + string sink; + string source; + + const string GetDefault(enum DeviceType type) { + switch (type) { + case DEVTYPE_SINK: + return sink; + case DEVTYPE_SOURCE: + return source; + default: + return ""; + } + } +}; + +template<typename T> +struct Range { + Range(T min, T max) : min(min), max(max) {} + + // Clamps a value to the stored range + T Clamp(T value) { + return value < min ? min : (value > max ? max : value); + } + + // Determine if the passed value is within the range. Returns 0 + // on success, else -1 if lower than the minimum, and 1 if higher + // than the maximum. + int InRange(T value) const { + return value < min ? -1 : (value > max ? 1 : 0); + } + + T min; + T max; +}; + +class PulseClient { + public: + PulseClient(string client_name); + ~PulseClient(); + + // Populates all known devices and cards. Any currently known + // devices and cards are cleared before the new data is stored. + void Populate(); + + // Get a device by index or name and type, or all devices by type. + Device* GetDevice(const uint32_t& index, enum DeviceType type); + Device* GetDevice(const string& name, enum DeviceType type); + const vector<Device>& GetDevices(enum DeviceType type) const; + + // Get a sink by index or name, or all sinks. + Device* GetSink(const uint32_t& index); + Device* GetSink(const string& name); + const vector<Device>& GetSinks() const { return sinks_; } + + // Get a source by index or name, or all sources. + Device* GetSource(const uint32_t& index); + Device* GetSource(const string& name); + const vector<Device>& GetSources() const { return sources_; } + + // Get a sink input by index or name, or all sink inputs. + Device* GetSinkInput(const uint32_t& name); + Device* GetSinkInput(const string& name); + const vector<Device>& GetSinkInputs() const { return sink_inputs_; } + + // Get a source output by index or name, or all source outputs. + Device* GetSourceOutput(const uint32_t& name); + Device* GetSourceOutput(const string& name); + const vector<Device>& GetSourceOutputs() const { return source_outputs_; } + + // Get a card by index or name, all cards, or get the card which + // a sink is attached to. + Card* GetCard(const uint32_t& index); + Card* GetCard(const string& name); + Card* GetCard(const Device& device); + const vector<Card>& GetCards() const { return cards_; } + + // Get or set the volume of a device. + int GetVolume(const Device& device) const; + bool SetVolume(Device& device, long value); + + // Convenience wrappers for adjusting volume + bool IncreaseVolume(Device& device, long increment); + bool DecreaseVolume(Device& device, long decrement); + + // Get or set the volume of a device. Not all devices support this. + int GetBalance(const Device& device) const; + bool SetBalance(Device& device, long value); + + // Convenience wrappers for adjusting balance + bool IncreaseBalance(Device& device, long increment); + bool DecreaseBalance(Device& device, long decrement); + + // Get and set mute for a device. + bool IsMuted(const Device& device) const { return device.mute_; }; + bool SetMute(Device& device, bool mute); + + // Set the profile for a card by name. + bool SetProfile(Card& card, const string& profile); + + // Move a given source output or sink input to the destination. + bool Move(Device& source, Device& dest); + + // Kill a source output or sink input. + bool Kill(Device& device); + + // Get or set the default sink and source. + const ServerInfo& GetDefaults() const { return defaults_; } + bool SetDefault(Device& device); + + // Set minimum and maximum allowed volume + void SetVolumeRange(int min, int max) { + volume_range_ = { min, max }; + } + + // Set minimum and maximum allowed balance + void SetBalanceRange(int min, int max) { + balance_range_ = { min, max }; + } + + private: + void mainloop_iterate(pa_operation* op); + + void populate_server_info(); + void populate_cards(); + void populate_sinks(); + void populate_sources(); + + Device* get_device(vector<Device>& devices, const uint32_t& index); + Device* get_device(vector<Device>& devices, const string& name); + + void remove_device(Device& device); + + string client_name_; + pa_context* context_; + pa_mainloop* mainloop_; + vector<Device> sinks_; + vector<Device> sources_; + vector<Device> sink_inputs_; + vector<Device> source_outputs_; + vector<Card> cards_; + ServerInfo defaults_; + Range<int> volume_range_; + Range<int> balance_range_; +}; + +// vim: set et ts=2 sw=2: |