/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- * * Copyright (C) 2014 Michal Ratajsky * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. * */ #include "config.h" #include #include #include #include #include "mvc-helpers.h" /* libcanberra requires a PulseAudio channel name to be given to its * CA_PROP_CANBERRA_FORCE_CHANNEL property. * * The strings here are copied from PulseAudio source code to avoid depending * on libpulse. */ static const gchar *pulse_position[MATE_MIXER_CHANNEL_MAX] = { [MATE_MIXER_CHANNEL_MONO] = "mono", [MATE_MIXER_CHANNEL_FRONT_LEFT] = "front-left", [MATE_MIXER_CHANNEL_FRONT_RIGHT] = "front-right", [MATE_MIXER_CHANNEL_FRONT_CENTER] = "front-center", [MATE_MIXER_CHANNEL_LFE] = "lfe", [MATE_MIXER_CHANNEL_BACK_LEFT] = "rear-left", [MATE_MIXER_CHANNEL_BACK_RIGHT] = "rear-right", [MATE_MIXER_CHANNEL_BACK_CENTER] = "rear-center", [MATE_MIXER_CHANNEL_FRONT_LEFT_CENTER] = "front-left-of-center", [MATE_MIXER_CHANNEL_FRONT_RIGHT_CENTER] = "front-right-of-center", [MATE_MIXER_CHANNEL_SIDE_LEFT] = "side-left", [MATE_MIXER_CHANNEL_SIDE_RIGHT] = "side-right", [MATE_MIXER_CHANNEL_TOP_FRONT_LEFT] = "top-front-left", [MATE_MIXER_CHANNEL_TOP_FRONT_RIGHT] = "top-front-right", [MATE_MIXER_CHANNEL_TOP_FRONT_CENTER] = "top-front-center", [MATE_MIXER_CHANNEL_TOP_CENTER] = "top-center", [MATE_MIXER_CHANNEL_TOP_BACK_LEFT] = "top-rear-left", [MATE_MIXER_CHANNEL_TOP_BACK_RIGHT] = "top-rear-right", [MATE_MIXER_CHANNEL_TOP_BACK_CENTER] = "top-rear-center" }; static const gchar *pretty_position[MATE_MIXER_CHANNEL_MAX] = { [MATE_MIXER_CHANNEL_UNKNOWN] = N_("Unknown"), /* Speaker channel names */ [MATE_MIXER_CHANNEL_MONO] = N_("Mono"), [MATE_MIXER_CHANNEL_FRONT_LEFT] = N_("Front Left"), [MATE_MIXER_CHANNEL_FRONT_RIGHT] = N_("Front Right"), [MATE_MIXER_CHANNEL_FRONT_CENTER] = N_("Front Center"), [MATE_MIXER_CHANNEL_LFE] = N_("LFE"), [MATE_MIXER_CHANNEL_BACK_LEFT] = N_("Rear Left"), [MATE_MIXER_CHANNEL_BACK_RIGHT] = N_("Rear Right"), [MATE_MIXER_CHANNEL_BACK_CENTER] = N_("Rear Center"), [MATE_MIXER_CHANNEL_FRONT_LEFT_CENTER] = N_("Front Left of Center"), [MATE_MIXER_CHANNEL_FRONT_RIGHT_CENTER] = N_("Front Right of Center"), [MATE_MIXER_CHANNEL_SIDE_LEFT] = N_("Side Left"), [MATE_MIXER_CHANNEL_SIDE_RIGHT] = N_("Side Right"), [MATE_MIXER_CHANNEL_TOP_FRONT_LEFT] = N_("Top Front Left"), [MATE_MIXER_CHANNEL_TOP_FRONT_RIGHT] = N_("Top Front Right"), [MATE_MIXER_CHANNEL_TOP_FRONT_CENTER] = N_("Top Front Center"), [MATE_MIXER_CHANNEL_TOP_CENTER] = N_("Top Center"), [MATE_MIXER_CHANNEL_TOP_BACK_LEFT] = N_("Top Rear Left"), [MATE_MIXER_CHANNEL_TOP_BACK_RIGHT] = N_("Top Rear Right"), [MATE_MIXER_CHANNEL_TOP_BACK_CENTER] = N_("Top Rear Center") }; const gchar * mvc_channel_position_to_pulse_string (MateMixerChannelPosition position) { g_return_val_if_fail (position >= 0 && position < MATE_MIXER_CHANNEL_MAX, NULL); return pulse_position[position]; } const gchar * mvc_channel_position_to_pretty_string (MateMixerChannelPosition position) { g_return_val_if_fail (position >= 0 && position < MATE_MIXER_CHANNEL_MAX, NULL); return pretty_position[position]; } const gchar * mvc_channel_map_to_pretty_string (MateMixerStreamControl *control) { g_return_val_if_fail (MATE_MIXER_IS_STREAM_CONTROL (control), NULL); #define HAS_POSITION(p) (mate_mixer_stream_control_has_channel_position (control, (p))) /* Modeled after PulseAudio 5.0, probably could be extended with other combinations */ switch (mate_mixer_stream_control_get_num_channels (control)) { case 1: if (HAS_POSITION (MATE_MIXER_CHANNEL_MONO)) return _("Mono"); break; case 2: if (HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_LEFT) && HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_RIGHT)) return _("Stereo"); break; case 4: if (HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_LEFT) && HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_RIGHT) && HAS_POSITION (MATE_MIXER_CHANNEL_BACK_LEFT) && HAS_POSITION (MATE_MIXER_CHANNEL_BACK_RIGHT)) return _("Surround 4.0"); break; case 5: if (HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_LEFT) && HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_RIGHT) && HAS_POSITION (MATE_MIXER_CHANNEL_BACK_LEFT) && HAS_POSITION (MATE_MIXER_CHANNEL_BACK_RIGHT)) if (HAS_POSITION (MATE_MIXER_CHANNEL_LFE)) return _("Surround 4.1"); if (HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_CENTER)) return _("Surround 5.0"); break; case 6: if (HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_LEFT) && HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_RIGHT) && HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_CENTER) && HAS_POSITION (MATE_MIXER_CHANNEL_BACK_LEFT) && HAS_POSITION (MATE_MIXER_CHANNEL_BACK_RIGHT) && HAS_POSITION (MATE_MIXER_CHANNEL_LFE)) return _("Surround 5.1"); break; case 8: if (HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_LEFT) && HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_RIGHT) && HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_CENTER) && HAS_POSITION (MATE_MIXER_CHANNEL_BACK_LEFT) && HAS_POSITION (MATE_MIXER_CHANNEL_BACK_RIGHT) && HAS_POSITION (MATE_MIXER_CHANNEL_SIDE_LEFT) && HAS_POSITION (MATE_MIXER_CHANNEL_SIDE_RIGHT) && HAS_POSITION (MATE_MIXER_CHANNEL_LFE)) return _("Surround 7.1"); break; } #undef HAS_POSITION return NULL; } #if GTK_CHECK_VERSION (3, 0, 0) /* Taken from gtkstyle.c */ static void rgb_to_hls (gdouble *r, gdouble *g, gdouble *b); static void hls_to_rgb (gdouble *h, gdouble *l, gdouble *s); void mvc_color_shade (GdkRGBA *a, GdkRGBA *b, gdouble k) { gdouble red; gdouble green; gdouble blue; red = (gdouble) a->red / 65535.0; green = (gdouble) a->green / 65535.0; blue = (gdouble) a->blue / 65535.0; rgb_to_hls (&red, &green, &blue); green *= k; if (green > 1.0) green = 1.0; else if (green < 0.0) green = 0.0; blue *= k; if (blue > 1.0) blue = 1.0; else if (blue < 0.0) blue = 0.0; hls_to_rgb (&red, &green, &blue); b->red = red * 65535.0; b->green = green * 65535.0; b->blue = blue * 65535.0; } static void rgb_to_hls (gdouble *r, gdouble *g, gdouble *b) { gdouble min; gdouble max; gdouble red; gdouble green; gdouble blue; gdouble h, l, s; gdouble delta; red = *r; green = *g; blue = *b; if (red > green) { if (red > blue) max = red; else max = blue; if (green < blue) min = green; else min = blue; } else { if (green > blue) max = green; else max = blue; if (red < blue) min = red; else min = blue; } l = (max + min) / 2; s = 0; h = 0; if (max != min) { if (l <= 0.5) s = (max - min) / (max + min); else s = (max - min) / (2 - max - min); delta = max - min; if (red == max) h = (green - blue) / delta; else if (green == max) h = 2 + (blue - red) / delta; else if (blue == max) h = 4 + (red - green) / delta; h *= 60; if (h < 0.0) h += 360; } *r = h; *g = l; *b = s; } static void hls_to_rgb (gdouble *h, gdouble *l, gdouble *s) { gdouble hue; gdouble lightness; gdouble saturation; gdouble m1, m2; gdouble r, g, b; lightness = *l; saturation = *s; if (lightness <= 0.5) m2 = lightness * (1 + saturation); else m2 = lightness + saturation - lightness * saturation; m1 = 2 * lightness - m2; if (saturation == 0) { *h = lightness; *l = lightness; *s = lightness; } else { hue = *h + 120; while (hue > 360) hue -= 360; while (hue < 0) hue += 360; if (hue < 60) r = m1 + (m2 - m1) * hue / 60; else if (hue < 180) r = m2; else if (hue < 240) r = m1 + (m2 - m1) * (240 - hue) / 60; else r = m1; hue = *h; while (hue > 360) hue -= 360; while (hue < 0) hue += 360; if (hue < 60) g = m1 + (m2 - m1) * hue / 60; else if (hue < 180) g = m2; else if (hue < 240) g = m1 + (m2 - m1) * (240 - hue) / 60; else g = m1; hue = *h - 120; while (hue > 360) hue -= 360; while (hue < 0) hue += 360; if (hue < 60) b = m1 + (m2 - m1) * hue / 60; else if (hue < 180) b = m2; else if (hue < 240) b = m1 + (m2 - m1) * (240 - hue) / 60; else b = m1; *h = r; *l = g; *s = b; } } #endif