/* FIXME */
static GstBuffer *
gst_sdlvideosink_buffer_new (GstBufferPool * pool,
gint64 location, guint size, gpointer user_data)
{
GstSDLVideoSink *sdlvideosink = GST_SDLVIDEOSINK (user_data);
GstBuffer *buffer;
if (!sdlvideosink->overlay)
return NULL;
if (!gst_sdlvideosink_lock (sdlvideosink)) {
return NULL;
}
/* this protects the buffer from being written over multiple times */
g_mutex_lock (sdlvideosink->lock);
buffer = gst_buffer_new ();
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_DONTFREE);
GST_BUFFER_DATA (buffer) = sdlvideosink->overlay->pixels[0];
if (sdlvideosink->format == SDL_YV12_OVERLAY ||
sdlvideosink->format == SDL_IYUV_OVERLAY) {
GST_BUFFER_SIZE (buffer) =
sdlvideosink->width * sdlvideosink->height * 3 / 2;
} else {
GST_BUFFER_SIZE (buffer) = sdlvideosink->width * sdlvideosink->height * 2;
}
GST_BUFFER_MAXSIZE (buffer) = GST_BUFFER_SIZE (buffer);
return buffer;
}
static GstBuffer *
gst_v4lmjpegsink_buffer_new (GstBufferPool * pool,
guint64 offset, guint size, gpointer user_data)
{
GstV4lMjpegSink *v4lmjpegsink = GST_V4LMJPEGSINK (user_data);
GstBuffer *buffer = NULL;
guint8 *data;
gint num;
if (!GST_V4L_IS_ACTIVE (GST_V4LELEMENT (v4lmjpegsink)))
return NULL;
if (v4lmjpegsink->breq.size < size) {
GST_DEBUG ("Requested buffer size is too large (%d > %ld)",
size, v4lmjpegsink->breq.size);
return NULL;
}
if (!gst_v4lmjpegsink_wait_frame (v4lmjpegsink, &num))
return NULL;
data = gst_v4lmjpegsink_get_buffer (v4lmjpegsink, num);
if (!data)
return NULL;
buffer = gst_buffer_new ();
GST_BUFFER_DATA (buffer) = data;
GST_BUFFER_MAXSIZE (buffer) = v4lmjpegsink->breq.size;
GST_BUFFER_SIZE (buffer) = size;
GST_BUFFER_POOL (buffer) = pool;
GST_BUFFER_POOL_PRIVATE (buffer) = GINT_TO_POINTER (num);
/* with this flag set, we don't need our own buffer_free() function */
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_DONTFREE);
return buffer;
}
/** 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);
}
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;
}