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add new module module-position-event-sounds for positioning event sounds in space
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@2507 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering
parent
67fde59fed
commit
62dde3f1cd
2 changed files with 178 additions and 2 deletions
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@ -1033,7 +1033,9 @@ modlibexec_LTLIBRARIES += \
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module-ladspa-sink.la \
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module-esound-sink.la \
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module-tunnel-sink.la \
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module-tunnel-source.la
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module-tunnel-source.la \
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module-position-event-sounds.la
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# See comment at librtp.la above
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if !OS_IS_WIN32
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@ -1196,7 +1198,8 @@ SYMDEF_FILES = \
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modules/module-suspend-on-idle-symdef.h \
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modules/module-hal-detect-symdef.h \
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modules/module-bt-proximity-symdef.h \
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modules/gconf/module-gconf-symdef.h
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modules/gconf/module-gconf-symdef.h \
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modules/module-position-event-sounds-symdef.h
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EXTRA_DIST += $(SYMDEF_FILES)
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BUILT_SOURCES += $(SYMDEF_FILES)
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@ -1431,6 +1434,12 @@ module_volume_restore_la_LDFLAGS = -module -avoid-version
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module_volume_restore_la_LIBADD = $(AM_LIBADD) libpulsecore.la
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module_volume_restore_la_CFLAGS = $(AM_CFLAGS)
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# Position event sounds in space
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module_position_event_sounds_la_SOURCES = modules/module-position-event-sounds.c
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module_position_event_sounds_la_LDFLAGS = -module -avoid-version
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module_position_event_sounds_la_LIBADD = $(AM_LIBADD) libpulsecore.la
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module_position_event_sounds_CFLAGS = $(AM_CFLAGS)
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# Device volume restore module
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module_device_restore_la_SOURCES = modules/module-device-restore.c
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module_device_restore_la_LDFLAGS = -module -avoid-version
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167
src/modules/module-position-event-sounds.c
Normal file
167
src/modules/module-position-event-sounds.c
Normal file
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@ -0,0 +1,167 @@
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/* $Id$ */
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/***
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This file is part of PulseAudio.
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Copyright 2006 Lennart Poettering
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with PulseAudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <pulse/xmalloc.h>
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#include <pulse/volume.h>
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#include <pulse/channelmap.h>
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#include <pulsecore/core-error.h>
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#include <pulsecore/module.h>
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#include <pulsecore/core-util.h>
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#include <pulsecore/modargs.h>
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#include <pulsecore/log.h>
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#include <pulsecore/sink-input.h>
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#include "module-position-event-sounds-symdef.h"
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PA_MODULE_AUTHOR("Lennart Poettering");
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PA_MODULE_DESCRIPTION("Position event sounds between L and R depending on the position on screen of the widget triggering them.");
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PA_MODULE_VERSION(PACKAGE_VERSION);
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PA_MODULE_LOAD_ONCE(TRUE);
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static const char* const valid_modargs[] = {
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NULL
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};
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struct userdata {
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pa_core *core;
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pa_hook_slot *sink_input_fixate_hook_slot;
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};
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static pa_bool_t is_left(pa_channel_position_t p) {
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return
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p == PA_CHANNEL_POSITION_FRONT_LEFT ||
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p == PA_CHANNEL_POSITION_REAR_LEFT ||
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p == PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER ||
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p == PA_CHANNEL_POSITION_SIDE_LEFT ||
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p == PA_CHANNEL_POSITION_TOP_FRONT_LEFT ||
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p == PA_CHANNEL_POSITION_TOP_REAR_LEFT;
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}
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static pa_bool_t is_right(pa_channel_position_t p) {
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return
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p == PA_CHANNEL_POSITION_FRONT_RIGHT ||
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p == PA_CHANNEL_POSITION_REAR_RIGHT||
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p == PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER ||
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p == PA_CHANNEL_POSITION_SIDE_RIGHT ||
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p == PA_CHANNEL_POSITION_TOP_FRONT_RIGHT ||
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p == PA_CHANNEL_POSITION_TOP_REAR_RIGHT;
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}
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static pa_hook_result_t sink_input_fixate_hook_callback(pa_core *core, pa_sink_input_new_data *data, struct userdata *u) {
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const char *hpos;
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double f;
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unsigned c;
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char t[PA_CVOLUME_SNPRINT_MAX];
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pa_assert(data);
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if (!(hpos = pa_proplist_gets(data->proplist, PA_PROP_EVENT_MOUSE_HPOS)))
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return PA_HOOK_OK;
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if (pa_atod(hpos, &f) < 0) {
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pa_log_warn("Failed to parse "PA_PROP_EVENT_MOUSE_HPOS" property '%s'.", hpos);
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return PA_HOOK_OK;
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}
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if (f < 0.0 || f > 1.0) {
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pa_log_warn("Property "PA_PROP_EVENT_MOUSE_HPOS" out of range %0.2f", f);
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return PA_HOOK_OK;
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}
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pa_log_debug("Positioning event sound '%s' at %0.2f.", pa_strnull(pa_proplist_gets(data->proplist, PA_PROP_EVENT_ID)), f);
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if (!data->volume_is_set) {
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pa_cvolume_reset(&data->volume, data->sample_spec.channels);
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data->volume_is_set = TRUE;
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}
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for (c = 0; c < data->sample_spec.channels; c++) {
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if (is_left(data->channel_map.map[c]))
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data->volume.values[c] =
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pa_sw_volume_multiply(data->volume.values[c], (pa_volume_t) (PA_VOLUME_NORM * (1.0 - f)));
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if (is_right(data->channel_map.map[c]))
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data->volume.values[c] =
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pa_sw_volume_multiply(data->volume.values[c], (pa_volume_t) (PA_VOLUME_NORM * f));
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}
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pa_log_debug("Final volume %s.", pa_cvolume_snprint(t, sizeof(t), &data->volume));
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return PA_HOOK_OK;
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}
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int pa__init(pa_module*m) {
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pa_modargs *ma = NULL;
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struct userdata *u;
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pa_assert(m);
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if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
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pa_log("Failed to parse module arguments");
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goto fail;
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}
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m->userdata = u = pa_xnew(struct userdata, 1);
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u->core = m->core;
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u->sink_input_fixate_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_FIXATE], (pa_hook_cb_t) sink_input_fixate_hook_callback, u);
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pa_modargs_free(ma);
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return 0;
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fail:
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pa__done(m);
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if (ma)
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pa_modargs_free(ma);
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return -1;
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}
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void pa__done(pa_module*m) {
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struct userdata* u;
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pa_assert(m);
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if (!(u = m->userdata))
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return;
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if (u->sink_input_fixate_hook_slot)
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pa_hook_slot_free(u->sink_input_fixate_hook_slot);
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pa_xfree(u);
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}
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