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More query/convert/formats introspection

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Original commit message from CVS:
More query/convert/formats introspection
This commit is contained in:
Wim Taymans 2002-09-09 22:35:30 +00:00
parent 4eaa7ccfb9
commit a7b776e7f7
1 changed files with 66 additions and 7 deletions
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73
ext/dv/gstdvdec.c
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@ -187,13 +187,18 @@ gst_dvdec_quality_get_type (void)
static void gst_dvdec_class_init (GstDVDecClass *klass);
static void gst_dvdec_init (GstDVDec *dvdec);
static const GstPadQueryType*
gst_dvdec_get_src_query_types (GstPad *pad);
static gboolean gst_dvdec_src_query (GstPad *pad, GstPadQueryType type,
GstFormat *format, gint64 *value);
static const GstFormat* gst_dvdec_get_formats (GstPad *pad);
static gboolean gst_dvdec_sink_convert (GstPad *pad, GstFormat src_format, gint64 src_value,
GstFormat *dest_format, gint64 *dest_value);
static gboolean gst_dvdec_src_convert (GstPad *pad, GstFormat src_format, gint64 src_value,
GstFormat *dest_format, gint64 *dest_value);
static const GstEventMask*
gst_dvdec_get_event_masks (GstPad *pad);
static gboolean gst_dvdec_handle_src_event (GstPad *pad, GstEvent *event);
static void gst_dvdec_loop (GstElement *element);
@ -295,19 +300,26 @@ gst_dvdec_init(GstDVDec *dvdec)
dvdec->sinkpad = gst_pad_new_from_template (GST_PAD_TEMPLATE_GET (sink_temp), "sink");
gst_element_add_pad (GST_ELEMENT (dvdec), dvdec->sinkpad);
gst_pad_set_query_function (dvdec->sinkpad, NULL);
gst_pad_set_convert_function (dvdec->sinkpad, gst_dvdec_sink_convert);
gst_pad_set_convert_function (dvdec->sinkpad, GST_DEBUG_FUNCPTR (gst_dvdec_sink_convert));
gst_pad_set_formats_function (dvdec->sinkpad, GST_DEBUG_FUNCPTR (gst_dvdec_get_formats));
dvdec->videosrcpad = gst_pad_new_from_template (GST_PAD_TEMPLATE_GET (video_src_temp), "video");
gst_element_add_pad (GST_ELEMENT (dvdec), dvdec->videosrcpad);
gst_pad_set_query_function (dvdec->videosrcpad, gst_dvdec_src_query);
gst_pad_set_event_function (dvdec->videosrcpad, gst_dvdec_handle_src_event);
gst_pad_set_convert_function (dvdec->videosrcpad, gst_dvdec_src_convert);
gst_pad_set_query_function (dvdec->videosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_src_query));
gst_pad_set_query_type_function (dvdec->videosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_get_src_query_types));
gst_pad_set_event_function (dvdec->videosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_handle_src_event));
gst_pad_set_event_mask_function (dvdec->videosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_get_event_masks));
gst_pad_set_convert_function (dvdec->videosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_src_convert));
gst_pad_set_formats_function (dvdec->videosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_get_formats));
dvdec->audiosrcpad = gst_pad_new_from_template (GST_PAD_TEMPLATE_GET(audio_src_temp), "audio");
gst_element_add_pad(GST_ELEMENT(dvdec),dvdec->audiosrcpad);
gst_pad_set_query_function (dvdec->audiosrcpad, gst_dvdec_src_query);
gst_pad_set_event_function (dvdec->audiosrcpad, gst_dvdec_handle_src_event);
gst_pad_set_convert_function (dvdec->audiosrcpad, gst_dvdec_src_convert);
gst_pad_set_query_function (dvdec->audiosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_src_query));
gst_pad_set_query_type_function (dvdec->audiosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_get_src_query_types));
gst_pad_set_event_function (dvdec->audiosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_handle_src_event));
gst_pad_set_event_mask_function (dvdec->audiosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_get_event_masks));
gst_pad_set_convert_function (dvdec->audiosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_src_convert));
gst_pad_set_formats_function (dvdec->audiosrcpad, GST_DEBUG_FUNCPTR (gst_dvdec_get_formats));
gst_element_set_loop_function (GST_ELEMENT (dvdec), gst_dvdec_loop);
@ -326,6 +338,24 @@ gst_dvdec_init(GstDVDec *dvdec)
}
}
static const GstFormat*
gst_dvdec_get_formats (GstPad *pad)
{
static const GstFormat src_formats[] = {
GST_FORMAT_BYTES,
GST_FORMAT_UNITS,
GST_FORMAT_TIME,
0
};
static const GstFormat sink_formats[] = {
GST_FORMAT_BYTES,
GST_FORMAT_TIME,
0
};
return (GST_PAD_IS_SRC (pad) ? src_formats : sink_formats);
}
static gboolean
gst_dvdec_src_convert (GstPad *pad, GstFormat src_format, gint64 src_value,
GstFormat *dest_format, gint64 *dest_value)
@ -425,6 +455,17 @@ gst_dvdec_sink_convert (GstPad *pad, GstFormat src_format, gint64 src_value,
return res;
}
static const GstPadQueryType*
gst_dvdec_get_src_query_types (GstPad *pad)
{
static const GstPadQueryType src_query_types[] = {
GST_PAD_QUERY_TOTAL,
GST_PAD_QUERY_POSITION,
0
};
return src_query_types;
}
static gboolean
gst_dvdec_src_query (GstPad *pad, GstPadQueryType type,
GstFormat *format, gint64 *value)
@ -476,6 +517,24 @@ gst_dvdec_src_query (GstPad *pad, GstPadQueryType type,
return res;
}
static const GstEventMask*
gst_dvdec_get_event_masks (GstPad *pad)
{
static const GstEventMask src_event_masks[] = {
{ GST_EVENT_SEEK, GST_SEEK_METHOD_SET |
GST_SEEK_FLAG_FLUSH },
{ 0, }
};
static const GstEventMask sink_event_masks[] = {
{ GST_EVENT_EOS, 0 },
{ GST_EVENT_DISCONTINUOUS, 0 },
{ GST_EVENT_FLUSH, 0 },
{ 0, }
};
return (GST_PAD_IS_SRC (pad) ? src_event_masks : sink_event_masks);
}
static gboolean
gst_dvdec_handle_sink_event (GstDVDec *dvdec)
{