/** GstXineInput ***********************************************************/
enum
{
ARG_0,
ARG_LOCATION
};
GST_BOILERPLATE (GstXineInput, gst_xine_input, GstXine, GST_TYPE_XINE);
static void gst_xine_input_dispose (GObject * object);
static void gst_xine_input_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_xine_input_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstStateChangeReturn
gst_xine_input_change_state (GstElement * element, GstStateChange transition);
static void
gst_xine_input_base_init (gpointer g_class)
{
}
static void
gst_xine_input_class_init (GstXineInputClass * klass)
{
GstElementClass *element = GST_ELEMENT_CLASS (klass);
GObjectClass *object = G_OBJECT_CLASS (klass);
element->change_state = gst_xine_input_change_state;
object->set_property = gst_xine_input_set_property;
object->get_property = gst_xine_input_get_property;
object->dispose = gst_xine_input_dispose;
g_object_class_install_property (object, ARG_LOCATION,
g_param_spec_string ("location", "location", "location",
NULL, G_PARAM_READWRITE));
}
static void
gst_xine_input_init (GstXineInput * xine, GstXineInputClass * g_class)
{
}
static void
gst_xine_input_dispose (GObject * object)
{
GstXineInput *xine = GST_XINE_INPUT (object);
g_free (xine->location);
xine->location = NULL;
GST_CALL_PARENT (G_OBJECT_CLASS, dispose, (object));
}
static void
gst_xine_input_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstXineInput *xine = GST_XINE_INPUT (object);
switch (prop_id) {
case ARG_LOCATION:
if (gst_element_get_state (GST_ELEMENT (xine)) != GST_STATE_NULL)
return;
if (xine->location)
g_free (xine->location);
xine->location = g_strdup (g_value_get_string (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
return;
}
}
static void
gst_xine_input_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstXineInput *xine = GST_XINE_INPUT (object);
switch (prop_id) {
case ARG_LOCATION:
g_value_set_string (value, xine->location);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
return;
}
}
#define BUFFER_SIZE 4096 /* FIXME: what size? */
static GstData *
gst_xine_input_get (GstPad * pad)
{
GstXineInput *xine =
GST_XINE_INPUT (gst_object_get_parent (GST_OBJECT (pad)));
GstBuffer *buf;
gint real_size, position;
/* FIXME: how does xine figure out EOS? */
position = xine->input->get_current_pos (xine->input);
if (position > 0 && position == xine->input->get_length (xine->input)) {
gst_element_set_eos (GST_ELEMENT (xine));
return GST_DATA (gst_event_new (GST_EVENT_EOS));
}
buf =
gst_pad_alloc_buffer_and_set_caps (xine->srcpad, GST_BUFFER_OFFSET_NONE,
xine->blocksize);
GST_BUFFER_OFFSET (buf) = position;
real_size =
xine->input->read (xine->input, GST_BUFFER_DATA (buf),
GST_BUFFER_MAXSIZE (buf));
GST_BUFFER_SIZE (buf) = real_size;
if (real_size < 0) {
GST_ELEMENT_ERROR (xine, RESOURCE, READ, (NULL), ("error %d reading data",
real_size));
gst_data_unref (GST_DATA (buf));
return NULL;
} else if (real_size == 0) {
buf_element_t *element;
if (xine->input->get_capabilities (xine->input) & INPUT_CAP_BLOCK)
element =
xine->input->read_block (xine->input,
gst_xine_get_stream (GST_XINE (xine))->audio_fifo, xine->blocksize);
if (element == NULL) {
/* FIXME: is this EOS? */
gst_element_set_eos (GST_ELEMENT (xine));
return GST_DATA (gst_event_new (GST_EVENT_EOS));
} else {
GST_BUFFER_SIZE (buf) = element->size;
/* FIXME: put buf_element_t data in buffer */
memcpy (GST_BUFFER_DATA (buf), element->mem, element->size);
element->free_buffer (element);
}
}
GST_BUFFER_OFFSET_END (buf) = xine->input->get_current_pos (xine->input);
return GST_DATA (buf);
}
static void
gst_mikmod_loop (GstElement * element)
{
GstMikMod *mikmod;
GstBuffer *buffer_in;
g_return_if_fail (element != NULL);
g_return_if_fail (GST_IS_MIKMOD (element));
mikmod = GST_MIKMOD (element);
srcpad = mikmod->srcpad;
mikmod->Buffer = NULL;
if (!mikmod->initialized) {
while ((buffer_in = GST_BUFFER (gst_pad_pull (mikmod->sinkpad)))) {
if (GST_IS_EVENT (buffer_in)) {
GstEvent *event = GST_EVENT (buffer_in);
if (GST_EVENT_TYPE (event) == GST_EVENT_EOS)
break;
} else {
if (mikmod->Buffer) {
mikmod->Buffer = gst_buffer_append (mikmod->Buffer, buffer_in);
} else {
mikmod->Buffer = buffer_in;
}
}
}
if (!GST_PAD_CAPS (mikmod->srcpad)) {
if (GST_PAD_LINK_SUCCESSFUL (gst_pad_renegotiate (mikmod->srcpad))) {
GST_ELEMENT_ERROR (mikmod, CORE, NEGOTIATION, (NULL), (NULL));
return;
}
}
MikMod_RegisterDriver (&drv_gst);
MikMod_RegisterAllLoaders ();
MikMod_Init ("");
reader = GST_READER_new (mikmod);
module = Player_LoadGeneric (reader, 64, 0);
gst_buffer_unref (mikmod->Buffer);
if (!Player_Active ())
Player_Start (module);
mikmod->initialized = TRUE;
}
if (Player_Active ()) {
timestamp = (module->sngtime / 1024.0) * GST_SECOND;
drv_gst.Update ();
} else {
gst_element_set_eos (GST_ELEMENT (mikmod));
gst_pad_push (mikmod->srcpad, GST_DATA (gst_event_new (GST_EVENT_EOS)));
}
}
/**
* gst_event_new_custom:
* @type: The type of the new event
* @structure: (transfer full): the structure for the event. The event will
* take ownership of the structure.
*
* Create a new custom-typed event. This can be used for anything not
* handled by other event-specific functions to pass an event to another
* element.
*
* Make sure to allocate an event type with the #GST_EVENT_MAKE_TYPE macro,
* assigning a free number and filling in the correct direction and
* serialization flags.
*
* New custom events can also be created by subclassing the event type if
* needed.
*
* Returns: (transfer full): the new custom event.
*/
GstEvent *
gst_event_new_custom (GstEventType type, GstStructure * structure)
{
GstEvent *event;
/* structure must not have a parent */
if (structure)
g_return_val_if_fail (structure->parent_refcount == NULL, NULL);
event = gst_event_new (type);
if (structure) {
gst_structure_set_parent_refcount (structure, &event->mini_object.refcount);
event->structure = structure;
}
return event;
}
/**
* gst_event_new_eos:
*
* Create a new EOS event. The eos event can only travel downstream
* synchronized with the buffer flow. Elements that receive the EOS
* event on a pad can return #GST_FLOW_UNEXPECTED as a #GstFlowReturn
* when data after the EOS event arrives.
*
* The EOS event will travel down to the sink elements in the pipeline
* which will then post the #GST_MESSAGE_EOS on the bus after they have
* finished playing any buffered data.
*
* When all sinks have posted an EOS message, an EOS message is
* forwarded to the application.
*
* The EOS event itself will not cause any state transitions of the pipeline.
*
* Returns: (transfer full): the new EOS event.
*/
GstEvent *
gst_event_new_eos (void)
{
return gst_event_new (GST_EVENT_EOS);
}
/**
* gst_event_new_flush_stop:
*
* Allocate a new flush stop event. The flush stop event can be sent
* upstream and downstream and travels serialized with the dataflow.
* It is typically sent after sending a FLUSH_START event to make the
* pads accept data again.
*
* Elements can process this event synchronized with the dataflow since
* the preceeding FLUSH_START event stopped the dataflow.
*
* This event is typically generated to complete a seek and to resume
* dataflow.
*
* Returns: (transfer full): a new flush stop event.
*/
GstEvent *
gst_event_new_flush_stop (void)
{
return gst_event_new (GST_EVENT_FLUSH_STOP);
}
/**
* gst_event_new_flush_start:
*
* Allocate a new flush start event. The flush start event can be sent
* upstream and downstream and travels out-of-bounds with the dataflow.
*
* It marks pads as being flushing and will make them return
* #GST_FLOW_WRONG_STATE when used for data flow with gst_pad_push(),
* gst_pad_chain(), gst_pad_alloc_buffer(), gst_pad_get_range() and
* gst_pad_pull_range(). Any event (except a #GST_EVENT_FLUSH_STOP) received
* on a flushing pad will return %FALSE immediately.
*
* Elements should unlock any blocking functions and exit their streaming
* functions as fast as possible when this event is received.
*
* This event is typically generated after a seek to flush out all queued data
* in the pipeline so that the new media is played as soon as possible.
*
* Returns: (transfer full): a new flush start event.
*/
GstEvent *
gst_event_new_flush_start (void)
{
return gst_event_new (GST_EVENT_FLUSH_START);
}
