Long live Qt for S60!

1 files changed, 257 insertions, 0 deletions

diff --git a/src/3rdparty/phonon/gstreamer/phononsrc.cpp b/src/3rdparty/phonon/gstreamer/phononsrc.cpp
new file mode 100644
index 0000000..f893fb5
--- /dev/null
+++ b/src/3rdparty/phonon/gstreamer/phononsrc.cpp
@@ -0,0 +1,257 @@
+/*  This file is part of the KDE project.
+
+Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+This library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 2.1 or 3 of the License.
+
+This library 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 Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <gst/gst.h>
+#include <gst/base/gstbasesrc.h>
+#include "phononsrc.h"
+#include "streamreader.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace Phonon
+{
+namespace Gstreamer
+{
+
+static GstStaticPadTemplate srctemplate =
+       GST_STATIC_PAD_TEMPLATE ("src",
+                                GST_PAD_SRC,
+                                GST_PAD_ALWAYS,
+                                GST_STATIC_CAPS_ANY);
+
+GST_DEBUG_CATEGORY_STATIC (phonon_src_debug);
+
+// PhononSrc args
+enum
+{
+    ARG_0,
+    ARG_PHONONSRC
+};
+
+static void phonon_src_finalize (GObject * object);
+
+static void phonon_src_set_property (GObject * object, guint prop_id,
+                                        const GValue * value, GParamSpec * pspec);
+static void phonon_src_get_property (GObject * object, guint prop_id,
+                                        GValue * value, GParamSpec * pspec);
+
+static gboolean phonon_src_start (GstBaseSrc * basesrc);
+static gboolean phonon_src_stop (GstBaseSrc * basesrc);
+
+static gboolean phonon_src_is_seekable (GstBaseSrc * src);
+static gboolean phonon_src_get_size (GstBaseSrc * src, guint64 * size);
+static GstFlowReturn phonon_src_create (GstBaseSrc * src, guint64 offset,
+                                           guint length, GstBuffer ** buffer);
+
+static void _do_init (GType filesrc_type)
+{
+    Q_UNUSED(filesrc_type);
+    GST_DEBUG_CATEGORY_INIT (phonon_src_debug, "phononsrc", 0, "QIODevice element");
+}
+
+GST_BOILERPLATE_FULL (PhononSrc, phonon_src, GstBaseSrc, GST_TYPE_BASE_SRC, _do_init)
+
+// Register element details
+static void phonon_src_base_init (gpointer g_class) {
+    GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
+    static gchar longname[] = "Phonon Stream Source",
+                    klass[] = "Source/File",
+              description[] = "Read from a Phonon StreamInterface",
+                   author[] = "Nokia Corporation and/or its subsidiary(-ies) <qt-info@nokia.com>";
+    GstElementDetails details = GST_ELEMENT_DETAILS (longname,
+                                          klass,
+                                          description,
+                                          author);
+    gst_element_class_set_details (gstelement_class, &details);
+    gst_element_class_add_pad_template (gstelement_class, gst_static_pad_template_get (&srctemplate));
+}
+
+static void phonon_src_class_init (PhononSrcClass * klass)
+{
+    GObjectClass *gobject_class;
+    GstElementClass *gstelement_class;
+    GstBaseSrcClass *gstbasesrc_class;
+
+    gobject_class = G_OBJECT_CLASS (klass);
+    gstelement_class = GST_ELEMENT_CLASS (klass);
+    gstbasesrc_class = GST_BASE_SRC_CLASS (klass);
+
+    gobject_class->set_property = phonon_src_set_property;
+    gobject_class->get_property = phonon_src_get_property;
+
+    g_object_class_install_property (gobject_class, ARG_PHONONSRC,
+                                     g_param_spec_pointer ("iodevice", "A Phonon StreamReader",
+                                     "A Phonon::GStreamer::StreamReader to read from", GParamFlags(G_PARAM_READWRITE)));
+
+    gobject_class->finalize = GST_DEBUG_FUNCPTR (phonon_src_finalize);
+
+    gstbasesrc_class->start = GST_DEBUG_FUNCPTR (phonon_src_start);
+    gstbasesrc_class->stop = GST_DEBUG_FUNCPTR (phonon_src_stop);
+    gstbasesrc_class->is_seekable = GST_DEBUG_FUNCPTR (phonon_src_is_seekable);
+    gstbasesrc_class->get_size = GST_DEBUG_FUNCPTR (phonon_src_get_size);
+    gstbasesrc_class->create = GST_DEBUG_FUNCPTR (phonon_src_create);
+}
+
+static void phonon_src_init (PhononSrc * src, PhononSrcClass * g_class)
+{
+    Q_UNUSED(g_class);
+    src->device = 0;
+}
+
+static void phonon_src_finalize (GObject * object)
+{
+    PhononSrc *src;
+    src = GST_PHONON_SRC (object);
+    delete src->device;
+    src->device = 0;
+    G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static gboolean phonon_src_set_device(PhononSrc * src, StreamReader* device)
+{
+    GstState state;
+    // The element must be stopped in order to do this
+    GST_OBJECT_LOCK (src);
+    state = GST_STATE (src);
+
+    if (state != GST_STATE_READY && state != GST_STATE_NULL)
+        goto wrong_state;
+
+    GST_OBJECT_UNLOCK (src);
+
+    src->device = device;
+    g_object_notify (G_OBJECT (src), "iodevice");
+    return TRUE;
+
+    // Error
+wrong_state:
+    {
+        //GST_DEBUG_OBJECT (src, "setting location in wrong state");
+        GST_OBJECT_UNLOCK (src);
+        return FALSE;
+    }
+}
+
+static void phonon_src_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec)
+{
+    PhononSrc *src;
+    g_return_if_fail (GST_IS_PHONON_SRC (object));
+    src = GST_PHONON_SRC (object);
+
+    switch (prop_id) {
+    case ARG_PHONONSRC:
+    {
+        StreamReader *dev = (StreamReader*)(g_value_get_pointer(value));
+        if (dev)
+            phonon_src_set_device(src, dev);
+        break;
+    }
+   default:
+       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+       break;
+   }
+}
+
+static void phonon_src_get_property (GObject * object, guint prop_id, GValue * value,
+                                        GParamSpec * pspec)
+{
+    PhononSrc *src;
+    g_return_if_fail (GST_IS_PHONON_SRC (object));
+    src = GST_PHONON_SRC (object);
+
+    switch (prop_id) {
+    case ARG_PHONONSRC:
+        g_value_set_pointer(value, src->device);
+        break;
+    default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+        break;
+    }
+}
+
+static GstFlowReturn phonon_src_create_read (PhononSrc * src, guint64 offset, guint length, GstBuffer ** buffer)
+{
+    Q_ASSERT(src->device);
+    if (!src->device)
+        return GST_FLOW_ERROR;
+
+    GstBuffer *buf = gst_buffer_new_and_alloc (length);
+    GST_BUFFER_SIZE (buf) = length;
+    GST_BUFFER_OFFSET (buf) = offset;
+    GST_BUFFER_OFFSET_END (buf) = offset + length;
+
+    bool success = src->device->read(offset, length, (char*)GST_BUFFER_DATA (buf));
+    //GST_LOG_OBJECT (src, "Reading %d bytes", length);
+
+    if (success) {
+        *buffer = buf;
+        return GST_FLOW_OK;
+    }
+
+    gst_mini_object_unref(GST_MINI_OBJECT(buf));
+    return GST_FLOW_ERROR;
+}
+
+static GstFlowReturn phonon_src_create (GstBaseSrc * basesrc, guint64 offset, guint length, GstBuffer ** buffer)
+{
+    PhononSrc *src;
+    GstFlowReturn ret;
+    src = GST_PHONON_SRC (basesrc);
+    ret = phonon_src_create_read (src, offset, length, buffer);
+    return ret;
+}
+
+static gboolean phonon_src_is_seekable (GstBaseSrc * basesrc)
+{
+    PhononSrc *src = GST_PHONON_SRC (basesrc);
+    if (src->device)
+        return src->device->streamSeekable();
+    return false;
+}
+
+static gboolean phonon_src_get_size (GstBaseSrc * basesrc, guint64 * size)
+{
+    PhononSrc *src;
+    src = GST_PHONON_SRC (basesrc);
+    if (src->device && src->device->streamSeekable()) {
+        *size = src->device->streamSize();
+        return TRUE;
+    }
+    *size = 0;
+    return FALSE;
+}
+
+// Necessary to go to READY state
+static gboolean phonon_src_start (GstBaseSrc * basesrc)
+{
+    Q_UNUSED(basesrc);
+    // Opening the device is handled by the frontend
+    // We can only assume it is already open
+    return TRUE;
+}
+
+static gboolean phonon_src_stop (GstBaseSrc * basesrc)
+{
+    Q_UNUSED(basesrc);
+    // Closing the device is handled by the frontend
+    return TRUE;
+}
+
+}
+} //namespace Phonon::Gstreamer
+
+QT_END_NAMESPACE