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DOCS/client_api_examples: qtexample: stuff

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Dump chapters and track list to the log for demo purposes.

Compile in debug mode.
This commit is contained in:
wm4 2014-10-13 23:55:57 +02:00
parent 1c5dbdbfc2
commit 2ad0be8592
3 changed files with 31 additions and 7 deletions
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34
DOCS/client_api_examples/qtexample.cpp
View File

@ -12,6 +12,9 @@
#include <QGridLayout>
#include <QApplication>
#include <QTextEdit>
#include <QJsonDocument>
#include <mpv/qthelper.hpp>
#include "qtexample.h"
@ -74,9 +77,12 @@ MainWindow::MainWindow(QWidget *parent) :
// this property changes.
mpv_observe_property(mpv, 0, "time-pos", MPV_FORMAT_DOUBLE);
// Request log messages with level verbose ("v") or higher.
mpv_observe_property(mpv, 0, "track-list", MPV_FORMAT_NODE);
mpv_observe_property(mpv, 0, "chapter-list", MPV_FORMAT_NODE);
// Request log messages with level "info" or higher.
// They are received as MPV_EVENT_LOG_MESSAGE.
mpv_request_log_messages(mpv, "v");
mpv_request_log_messages(mpv, "info");
// From this point on, the wakeup function will be called. The callback
// can come from any thread, so we use the Qt QEvent mechanism to relay
@ -103,6 +109,17 @@ void MainWindow::handle_mpv_event(mpv_event *event)
// was stopped.
statusBar()->showMessage("");
}
} else if (strcmp(prop->name, "chapter-list") == 0 ||
strcmp(prop->name, "track-list") == 0)
{
if (prop->format == MPV_FORMAT_NODE) {
QVariant v = mpv::qt::node_to_variant((mpv_node *)prop->data);
mpv::qt::node_builder x(v);
QVariant v2 = mpv::qt::node_to_variant(x.node());
QJsonDocument d = QJsonDocument::fromVariant(v);
append_log("Change property " + QString(prop->name) + ":\n");
append_log(d.toJson().data());
}
}
break;
}
@ -128,10 +145,7 @@ void MainWindow::handle_mpv_event(mpv_event *event)
struct mpv_event_log_message *msg = (struct mpv_event_log_message *)event->data;
std::stringstream ss;
ss << "[" << msg->prefix << "] " << msg->level << ": " << msg->text;
QTextCursor cursor = log->textCursor();
cursor.movePosition(QTextCursor::End);
cursor.insertText(QString::fromStdString(ss.str()));
log->setTextCursor(cursor);
append_log(QString::fromStdString(ss.str()));
break;
}
case MPV_EVENT_SHUTDOWN: {
@ -170,6 +184,14 @@ void MainWindow::on_file_open()
}
}
void MainWindow::append_log(const QString &text)
{
QTextCursor cursor = log->textCursor();
cursor.movePosition(QTextCursor::End);
cursor.insertText(text);
log->setTextCursor(cursor);
}
MainWindow::~MainWindow()
{
if (mpv)

2
DOCS/client_api_examples/qtexample.h
View File

@ -26,6 +26,8 @@ private:
mpv_handle *mpv;
QTextEdit *log;
void append_log(const QString &text);
void create_player();
void handle_mpv_event(mpv_event *event);
};

2
DOCS/client_api_examples/qtexample.pro
View File

@ -5,7 +5,7 @@ greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
TARGET = qtexample
TEMPLATE = app
CONFIG += link_pkgconfig
CONFIG += link_pkgconfig debug
PKGCONFIG = mpv
SOURCES += qtexample.cpp