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/* GStreamer
* Copyright (C) 2004 Benjamin Otte <in7y118@public.uni-hamburg.de>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "gstxine.h"
GST_BOILERPLATE (GstXine, gst_xine, GstElement, GST_TYPE_ELEMENT)
static GstElementStateReturn gst_xine_change_state (GstElement * element);
static xine_ao_driver_t * _xine_create_audio_driver (GstXine * xine);
static xine_vo_driver_t * _xine_create_video_driver (GstXine * xine);
static void
gst_xine_base_init (gpointer klass)
{
}
static void
gst_xine_class_init (GstXineClass *klass)
{
GstElementClass *element = GST_ELEMENT_CLASS (klass);
klass->xine = xine_new ();
xine_init (klass->xine);
klass->create_audio_driver = _xine_create_audio_driver;
klass->create_video_driver = _xine_create_video_driver;
element->change_state = gst_xine_change_state;
}
static void
gst_xine_init (GstXine *filter)
{
}
static GstElementStateReturn
gst_xine_change_state (GstElement *element)
{
GstXine *xine = GST_XINE (element);
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
break;
case GST_STATE_READY_TO_PAUSED:
break;
case GST_STATE_PAUSED_TO_PLAYING:
break;
case GST_STATE_PLAYING_TO_PAUSED:
break;
case GST_STATE_PAUSED_TO_READY:
break;
case GST_STATE_READY_TO_NULL:
if (xine->stream != NULL)
gst_xine_free_stream (xine);
break;
default:
GST_ERROR_OBJECT (element, "invalid state change");
break;
}
return GST_CALL_PARENT_WITH_DEFAULT (GST_ELEMENT_CLASS, change_state, (element), GST_STATE_SUCCESS);
}
static xine_ao_driver_t *
_xine_create_audio_driver (GstXine *xine)
{
return xine_open_audio_driver (GST_XINE_GET_CLASS (xine)->xine, "none", NULL);
}
static xine_vo_driver_t *
_xine_create_video_driver (GstXine *xine)
{
return xine_open_video_driver (GST_XINE_GET_CLASS (xine)->xine, "none", XINE_VISUAL_TYPE_NONE, NULL);
}
xine_stream_t *
gst_xine_get_stream (GstXine *xine)
{
if (!xine->stream) {
GstXineClass *klass = GST_XINE_GET_CLASS (xine);
g_assert (xine->video_driver == NULL);
g_assert (xine->audio_driver == NULL);
xine->audio_driver = klass->create_audio_driver (xine);
xine->video_driver = klass->create_video_driver (xine);
xine->stream = xine_stream_new (klass->xine, xine->audio_driver, xine->video_driver);
/* FIXME: fail gracefully */
g_assert (xine->stream);
}
return xine->stream;
}
void
gst_xine_free_stream (GstXine *xine)
{
g_return_if_fail (xine->stream != NULL);
g_assert (xine->video_driver != NULL);
g_assert (xine->audio_driver != NULL);
xine_dispose (xine->stream);
xine->stream = NULL;
xine_close_video_driver (GST_XINE_GET_CLASS (xine)->xine, xine->video_driver);
xine->video_driver = NULL;
xine_close_audio_driver (GST_XINE_GET_CLASS (xine)->xine, xine->audio_driver);
xine->audio_driver = NULL;
}
static void
_free_xine_buf_element (buf_element_t *buffer)
{
gst_buffer_unref (GST_BUFFER (buffer->source));
}
void
gst_buffer_to_xine_buffer (buf_element_t *ret, GstBuffer *buffer)
{
g_return_if_fail (ret != NULL);
g_return_if_fail (buffer != NULL);
/* FIXME: what's the difference? */
ret->mem = GST_BUFFER_DATA (buffer);
ret->content = GST_BUFFER_DATA (buffer);
ret->size = GST_BUFFER_SIZE (buffer);
ret->max_size = GST_BUFFER_MAXSIZE (buffer);
/* FIXME: add more */
ret->free_buffer = _free_xine_buf_element;
ret->source = buffer;
}
static gboolean
plugin_init (GstPlugin *plugin)
{
if (!gst_xine_input_init_plugin (plugin) ||
!gst_xine_audio_dec_init_plugin (plugin))
return FALSE;
return TRUE;
}
GST_PLUGIN_DEFINE (
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"xine",
"wrapper for libxine (version "XINE_VERSION") plugins",
plugin_init,
VERSION,
"GPL",
GST_PACKAGE,
GST_ORIGIN
)
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