4 * This file is part of CameraPlus.
6 * Copyright (C) 2012 Mohammed Sameer <msameer@foolab.org>
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #ifndef QT_CAM_MODE_P_H
24 #define QT_CAM_MODE_P_H
27 #include "qtcamdevice_p.h"
28 #include <gst/pbutils/encoding-profile.h>
29 #include <gst/pbutils/encoding-target.h>
31 #ifndef GST_USE_UNSTABLE_API
32 #define GST_USE_UNSTABLE_API
33 #endif /* GST_USE_UNSTABLE_API */
34 #include <gst/interfaces/photography.h>
36 #define PREVIEW_CAPS "video/x-raw-rgb, width = (int) %1, height = (int) %2, bpp = (int) 32, depth = (int) 24, red_mask = (int) 65280, green_mask = (int) 16711680, blue_mask = (int) -16777216"
38 class QtCamDevicePrivate;
39 class PreviewImageHandler;
42 class QtCamModePrivate {
44 QtCamModePrivate(QtCamDevicePrivate *d) : id(-1), dev(d) {}
45 virtual ~QtCamModePrivate() {}
47 int modeId(const char *mode) {
48 if (!dev->cameraBin) {
52 GParamSpec *pspec = g_object_class_find_property(G_OBJECT_GET_CLASS(dev->cameraBin),
58 if (!G_IS_PARAM_SPEC_ENUM(pspec)) {
62 GParamSpecEnum *e = G_PARAM_SPEC_ENUM(pspec);
63 GEnumClass *klass = e->enum_class;
65 for (unsigned x = 0; x < klass->n_values; x++) {
66 if (QLatin1String(mode) == QLatin1String(klass->values[x].value_nick)) {
67 return klass->values[x].value;
74 GstEncodingProfile *loadProfile(const QString& path, const QString& name) {
77 GstEncodingTarget *target = gst_encoding_target_load_from_file(path.toUtf8().data(), &error);
79 qCritical() << "Failed to load encoding target from" << path << error->message;
84 GstEncodingProfile *profile = gst_encoding_target_get_profile(target, name.toUtf8().data());
86 qCritical() << "Failed to load encoding profile from" << path;
87 gst_encoding_target_unref(target);
91 gst_encoding_target_unref(target);
96 void resetCaps(const char *property) {
97 if (!dev->cameraBin) {
101 g_object_set(dev->cameraBin, property, NULL, NULL);
105 if (!dev->cameraBin) {
111 g_object_get(dev->videoSource, "scene-mode", &val, NULL);
113 return val == GST_PHOTOGRAPHY_SCENE_MODE_NIGHT;
116 void setCaps(const char *property, const QSize& resolution, int fps) {
117 if (!dev->cameraBin) {
121 if (resolution.width() <= 0 || resolution.height() <= 0) {
128 caps = gst_caps_new_simple("video/x-raw-yuv",
129 "width", G_TYPE_INT, resolution.width(),
130 "height", G_TYPE_INT, resolution.height(),
134 caps = gst_caps_new_simple("video/x-raw-yuv",
135 "width", G_TYPE_INT, resolution.width(),
136 "height", G_TYPE_INT, resolution.height(),
138 GST_TYPE_FRACTION_RANGE, fps - 1, 1, fps + 1, 1,
144 g_object_get(dev->cameraBin, property, &old, NULL);
146 if (gst_caps_is_equal(caps, old)) {
148 gst_caps_unref(caps);
153 g_object_set(dev->cameraBin, property, caps, NULL);
160 void setPreviewSize(const QSize& size) {
161 if (!dev->cameraBin) {
165 if (size.width() <= 0 && size.height() <= 0) {
166 g_object_set(dev->cameraBin, "preview-caps", NULL, "post-previews", FALSE, NULL);
169 QString preview = QString(PREVIEW_CAPS).arg(size.width()).arg(size.height());
171 GstCaps *caps = gst_caps_from_string(preview.toAscii());
173 g_object_set(dev->cameraBin, "preview-caps", caps, "post-previews", TRUE, NULL);
175 gst_caps_unref(caps);
179 void setFileName(const QString& file) {
185 QtCamDevicePrivate *dev;
186 PreviewImageHandler *previewImageHandler;
187 DoneHandler *doneHandler;
191 #endif /* QT_CAM_MODE_P_H */