all repos — mgba @ fa884d071ecaa3e05ff20b45a67bf9500dd3d6b6

mGBA Game Boy Advance Emulator

src/platform/qt/GIFView.cpp (view raw)

 1/* Copyright (c) 2013-2014 Jeffrey Pfau
 2 *
 3 * This Source Code Form is subject to the terms of the Mozilla Public
 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 6#include "GIFView.h"
 7
 8#ifdef USE_MAGICK
 9
10#include "GBAApp.h"
11#include "LogController.h"
12
13#include <QMap>
14
15#include <mgba/internal/gba/gba.h>
16#include <mgba/internal/gba/video.h>
17
18using namespace QGBA;
19
20GIFView::GIFView(QWidget* parent)
21	: QWidget(parent)
22{
23	m_ui.setupUi(this);
24
25	connect(m_ui.start, SIGNAL(clicked()), this, SLOT(startRecording()));
26	connect(m_ui.stop, SIGNAL(clicked()), this, SLOT(stopRecording()));
27
28	connect(m_ui.selectFile, SIGNAL(clicked()), this, SLOT(selectFile()));
29	connect(m_ui.filename, SIGNAL(textChanged(const QString&)), this, SLOT(setFilename(const QString&)));
30
31	connect(m_ui.frameskip, SIGNAL(valueChanged(int)), this, SLOT(updateDelay()));
32	connect(m_ui.delayAuto, SIGNAL(clicked(bool)), this, SLOT(updateDelay()));
33
34	ImageMagickGIFEncoderInit(&m_encoder);
35}
36
37GIFView::~GIFView() {
38	stopRecording();
39}
40
41void GIFView::startRecording() {
42	int delayMs = m_ui.delayAuto->isChecked() ? -1 : m_ui.delayMs->value();
43	ImageMagickGIFEncoderSetParams(&m_encoder, m_ui.frameskip->value(), delayMs);
44	if (!ImageMagickGIFEncoderOpen(&m_encoder, m_filename.toUtf8().constData())) {
45		LOG(QT, ERROR) << tr("Failed to open output GIF file: %1").arg(m_filename);
46		return;
47	}
48	m_ui.start->setEnabled(false);
49	m_ui.stop->setEnabled(true);
50	m_ui.groupBox->setEnabled(false);
51	emit recordingStarted(&m_encoder.d);
52}
53
54void GIFView::stopRecording() {
55	emit recordingStopped();
56	ImageMagickGIFEncoderClose(&m_encoder);
57	m_ui.stop->setEnabled(false);
58	m_ui.start->setEnabled(true);
59	m_ui.groupBox->setEnabled(true);
60}
61
62void GIFView::selectFile() {
63	QString filename = GBAApp::app()->getSaveFileName(this, tr("Select output file"), tr("Graphics Interchange Format (*.gif)"));
64	if (!filename.isEmpty()) {
65		m_ui.filename->setText(filename);
66		if (!ImageMagickGIFEncoderIsOpen(&m_encoder)) {
67			m_ui.start->setEnabled(true);
68		}
69	}
70}
71
72void GIFView::setFilename(const QString& fname) {
73	m_filename = fname;
74}
75
76void GIFView::updateDelay() {
77	if (!m_ui.delayAuto->isChecked()) {
78		return;
79	}
80
81	uint64_t s = (m_ui.frameskip->value() + 1);
82	s *= VIDEO_TOTAL_LENGTH * 1000;
83	s /= GBA_ARM7TDMI_FREQUENCY;
84	m_ui.delayMs->setValue(s);
85}
86
87#endif