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gst/qtdemux/qtdemux.c: Add prototype code for handling seeking and querying.

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Original commit message from CVS:
* gst/qtdemux/qtdemux.c: (gst_qtdemux_get_src_formats),
(gst_qtdemux_src_convert), (gst_qtdemux_get_src_query_types),
(gst_qtdemux_get_event_mask), (gst_qtdemux_handle_src_query),
(gst_qtdemux_handle_src_event), (gst_qtdemux_add_stream):
Add prototype code for handling seeking and querying.
This commit is contained in:
David Schleef 2004-03-05 08:37:01 +00:00
parent 15acb5f276
commit 29926c75c5
2 changed files with 195 additions and 0 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
2004-03-05 David Schleef <ds@schleef.org>
* gst/qtdemux/qtdemux.c: (gst_qtdemux_get_src_formats),
(gst_qtdemux_src_convert), (gst_qtdemux_get_src_query_types),
(gst_qtdemux_get_event_mask), (gst_qtdemux_handle_src_query),
(gst_qtdemux_handle_src_event), (gst_qtdemux_add_stream):
Add prototype code for handling seeking and querying.
2004-03-04 Ronald Bultje <rbultje@ronald.bitfreak.net>
* examples/gstplay/player.c: (main):

187
gst/qtdemux/qtdemux.c
View file

@ -210,6 +210,186 @@ gst_qtdemux_init (GstQTDemux *qtdemux)
gst_element_add_pad (GST_ELEMENT (qtdemux), qtdemux->sinkpad);
}
static const GstFormat *
gst_qtdemux_get_src_formats (GstPad *pad)
{
static const GstFormat src_a_formats[] = {
GST_FORMAT_TIME,
GST_FORMAT_BYTES,
GST_FORMAT_DEFAULT,
0
};
static const GstFormat src_v_formats[] = {
GST_FORMAT_TIME,
GST_FORMAT_DEFAULT,
0
};
QtDemuxStream *stream = gst_pad_get_element_private(pad);
return (stream->subtype == GST_MAKE_FOURCC('v','i','d','e')) ?
src_v_formats : src_a_formats;
}
static gboolean
gst_qtdemux_src_convert (GstPad *pad, GstFormat src_format, gint64 src_value,
GstFormat *dest_format, gint64 *dest_value)
{
gboolean res = TRUE;
QtDemuxStream *stream = gst_pad_get_element_private(pad);
if (stream->subtype == GST_MAKE_FOURCC('v','i','d','e') &&
(src_format == GST_FORMAT_BYTES || *dest_format == GST_FORMAT_BYTES))
return FALSE;
switch (src_format) {
case GST_FORMAT_TIME:
switch (*dest_format) {
case GST_FORMAT_BYTES:
*dest_value = src_value * 1; /* FIXME */
break;
case GST_FORMAT_DEFAULT:
*dest_value = src_value * 1; /* FIXME */
break;
default:
res = FALSE;
break;
}
break;
case GST_FORMAT_BYTES:
switch (*dest_format) {
case GST_FORMAT_TIME:
*dest_value = src_value * 1; /* FIXME */
break;
default:
res = FALSE;
break;
}
break;
case GST_FORMAT_DEFAULT:
switch (*dest_format) {
case GST_FORMAT_TIME:
*dest_value = src_value * 1; /* FIXME */
break;
default:
res = FALSE;
break;
}
break;
default:
res = FALSE;
}
return res;
}
static const GstQueryType *
gst_qtdemux_get_src_query_types (GstPad *pad)
{
static const GstQueryType src_types[] = {
GST_QUERY_TOTAL,
GST_QUERY_POSITION,
0
};
return src_types;
}
static const GstEventMask *
gst_qtdemux_get_event_mask (GstPad *pad)
{
static const GstEventMask masks[] = {
{ GST_EVENT_SEEK, GST_SEEK_METHOD_SET | GST_SEEK_FLAG_KEY_UNIT },
{ 0, }
};
return masks;
}
static gboolean
gst_qtdemux_handle_src_query (GstPad *pad, GstQueryType type,
GstFormat *format, gint64 *value)
{
gboolean res = TRUE;
//QtDemuxStream *stream = gst_pad_get_element_private(pad);
switch (type) {
case GST_QUERY_TOTAL:
switch (*format) {
case GST_FORMAT_TIME:
*value = 0; /* FIXME */
break;
case GST_FORMAT_BYTES:
*value = 0; /* FIXME */
break;
case GST_FORMAT_DEFAULT:
*value = 0; /* FIXME */
break;
default:
res = FALSE;
break;
}
break;
case GST_QUERY_POSITION:
switch (*format) {
case GST_FORMAT_TIME:
*value = 0; /* FIXME */
break;
case GST_FORMAT_BYTES:
*value = 0; /* FIXME */
break;
case GST_FORMAT_DEFAULT:
*value = 0; /* FIXME */
break;
default:
res = FALSE;
break;
}
break;
default:
res = FALSE;
break;
}
return res;
}
static gboolean
gst_qtdemux_handle_src_event (GstPad *pad, GstEvent *event)
{
gboolean res = TRUE;
//QtDemuxStream *stream = gst_pad_get_element_private(pad);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK:
GST_DEBUG ("seek format %d", GST_EVENT_SEEK_FORMAT (event));
switch (GST_EVENT_SEEK_FORMAT (event)) {
case GST_FORMAT_BYTES:
case GST_FORMAT_DEFAULT:
case GST_FORMAT_TIME:
{
gint64 desired_offset = GST_EVENT_SEEK_OFFSET (event);
GST_DEBUG ("seeking to %" G_GINT64_FORMAT, desired_offset);
res = FALSE;
}
default:
res = FALSE;
break;
}
default:
res = FALSE;
break;
}
gst_event_unref (event);
return res;
}
GST_DEBUG_CATEGORY (qtdemux_debug);
static gboolean
@ -537,6 +717,13 @@ void gst_qtdemux_add_stream(GstQTDemux *qtdemux, QtDemuxStream *stream)
qtdemux->n_streams++;
GST_DEBUG ("n_streams is now %d", qtdemux->n_streams);
gst_pad_set_event_mask_function (stream->pad, gst_qtdemux_get_event_mask);
gst_pad_set_event_function (stream->pad, gst_qtdemux_handle_src_event);
gst_pad_set_query_type_function (stream->pad, gst_qtdemux_get_src_query_types);
gst_pad_set_query_function (stream->pad, gst_qtdemux_handle_src_query);
gst_pad_set_formats_function (stream->pad, gst_qtdemux_get_src_formats);
gst_pad_set_convert_function (stream->pad, gst_qtdemux_src_convert);
gst_pad_set_explicit_caps(stream->pad, stream->caps);
GST_DEBUG ("adding pad %p to qtdemux %p", stream->pad, qtdemux);