diff options
Diffstat (limited to 'ext/xine/xine.c')
| -rw-r--r-- | ext/xine/xine.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/ext/xine/xine.c b/ext/xine/xine.c new file mode 100644 index 00000000..f3bfb5ab --- /dev/null +++ b/ext/xine/xine.c @@ -0,0 +1,169 @@ +/* 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) +{ + return gst_xine_audio_dec_init_plugin (plugin); +} + +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 +) |