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- added eventmask/query/format functions

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Original commit message from CVS:
- added eventmask/query/format functions
- some cleanups
This commit is contained in:
Wim Taymans 2002-07-24 21:41:38 +00:00
parent 2e8109ca45
commit 22cfbdfe29
2 changed files with 94 additions and 26 deletions
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74
gst/avi/gstavidemux.c
View file

@ -159,7 +159,12 @@ static gboolean gst_avi_demux_process_chunk (GstAviDemux *avi_demux, guint64 *f
static gboolean gst_avi_demux_send_event (GstElement *element, GstEvent *event);
static const GstEventMask*
gst_avi_demux_get_event_mask (GstPad *pad);
static gboolean gst_avi_demux_handle_src_event (GstPad *pad, GstEvent *event);
static const GstFormat* gst_avi_demux_get_src_formats (GstPad *pad);
static const GstPadQueryType*
gst_avi_demux_get_src_query_types (GstPad *pad);
static gboolean gst_avi_demux_handle_src_query (GstPad *pad, GstPadQueryType type,
GstFormat *format, gint64 *value);
static gboolean gst_avi_demux_src_convert (GstPad *pad, GstFormat src_format, gint64 src_value,
@ -256,7 +261,6 @@ avi_type_find (GstBuffer *buf,
new = GST_CAPS_NEW ("avi_type_find",
"video/avi",
"format", GST_PROPS_STRING ("AVI"));
return new;
}
@ -451,7 +455,10 @@ gst_avi_demux_strf_vids (GstAviDemux *avi_demux)
if (newcaps) capslist = gst_caps_append (capslist, newcaps);
gst_pad_try_set_caps (srcpad, capslist);
gst_pad_set_formats_function (srcpad, gst_avi_demux_get_src_formats);
gst_pad_set_event_mask_function (srcpad, gst_avi_demux_get_event_mask);
gst_pad_set_event_function (srcpad, gst_avi_demux_handle_src_event);
gst_pad_set_query_type_function (srcpad, gst_avi_demux_get_src_query_types);
gst_pad_set_query_function (srcpad, gst_avi_demux_handle_src_query);
gst_pad_set_convert_function (srcpad, gst_avi_demux_src_convert);
@ -531,7 +538,10 @@ gst_avi_demux_strf_auds (GstAviDemux *avi_demux)
gst_pad_try_set_caps(srcpad, capslist);
gst_pad_set_formats_function (srcpad, gst_avi_demux_get_src_formats);
gst_pad_set_event_mask_function (srcpad, gst_avi_demux_get_event_mask);
gst_pad_set_event_function (srcpad, gst_avi_demux_handle_src_event);
gst_pad_set_query_type_function (srcpad, gst_avi_demux_get_src_query_types);
gst_pad_set_query_function (srcpad, gst_avi_demux_handle_src_query);
gst_pad_set_convert_function (srcpad, gst_avi_demux_src_convert);
@ -593,7 +603,10 @@ gst_avi_demux_strf_iavs (GstAviDemux *avi_demux)
if (newcaps) capslist = gst_caps_append(capslist, newcaps);
gst_pad_try_set_caps(srcpad, capslist);
gst_pad_set_formats_function (srcpad, gst_avi_demux_get_src_formats);
gst_pad_set_event_mask_function (srcpad, gst_avi_demux_get_event_mask);
gst_pad_set_event_function (srcpad, gst_avi_demux_handle_src_event);
gst_pad_set_query_type_function (srcpad, gst_avi_demux_get_src_query_types);
gst_pad_set_query_function (srcpad, gst_avi_demux_handle_src_query);
gst_pad_set_convert_function (srcpad, gst_avi_demux_src_convert);
@ -777,6 +790,26 @@ gst_avi_demux_index_entry_for_time (GstAviDemux *avi_demux, gint stream_nr, guin
return last_entry;
}
static const GstFormat*
gst_avi_demux_get_src_formats (GstPad *pad)
{
avi_stream_context *stream = gst_pad_get_element_private (pad);
static const GstFormat src_a_formats[] = {
GST_FORMAT_TIME,
GST_FORMAT_BYTES,
GST_FORMAT_UNITS,
0
};
static const GstFormat src_v_formats[] = {
GST_FORMAT_TIME,
GST_FORMAT_UNITS,
0
};
return (stream->strh.type == GST_RIFF_FCC_auds ? src_a_formats : src_v_formats);
}
static gboolean
gst_avi_demux_src_convert (GstPad *pad, GstFormat src_format, gint64 src_value,
GstFormat *dest_format, gint64 *dest_value)
@ -784,14 +817,15 @@ gst_avi_demux_src_convert (GstPad *pad, GstFormat src_format, gint64 src_value,
gboolean res = TRUE;
avi_stream_context *stream = gst_pad_get_element_private (pad);
if (stream->strh.type != GST_RIFF_FCC_auds &&
(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:
if (stream->strh.type == GST_RIFF_FCC_auds)
*dest_value = src_value * stream->strh.rate / (stream->strh.scale * GST_SECOND);
else
res = FALSE;
break;
case GST_FORMAT_DEFAULT:
*dest_format = GST_FORMAT_UNITS;
@ -806,10 +840,8 @@ gst_avi_demux_src_convert (GstPad *pad, GstFormat src_format, gint64 src_value,
case GST_FORMAT_BYTES:
switch (*dest_format) {
case GST_FORMAT_TIME:
if (stream->strh.type == GST_RIFF_FCC_auds)
*dest_value = src_value * GST_SECOND * stream->strh.scale / stream->strh.rate;
else
res = FALSE;
break;
default:
res = FALSE;
break;
@ -832,6 +864,18 @@ gst_avi_demux_src_convert (GstPad *pad, GstFormat src_format, gint64 src_value,
return res;
}
static const GstPadQueryType*
gst_avi_demux_get_src_query_types (GstPad *pad)
{
static const GstPadQueryType src_types[] = {
GST_PAD_QUERY_TOTAL,
GST_PAD_QUERY_POSITION,
0
};
return src_types;
}
static gboolean
gst_avi_demux_handle_src_query (GstPad *pad, GstPadQueryType type,
GstFormat *format, gint64 *value)
@ -850,8 +894,9 @@ gst_avi_demux_handle_src_query (GstPad *pad, GstPadQueryType type,
*value = GST_SECOND * stream->strh.scale * stream->strh.length / stream->strh.rate;
break;
case GST_FORMAT_BYTES:
if (stream->strh.type == GST_RIFF_FCC_auds)
*value = stream->strh.length;
if (stream->strh.type == GST_RIFF_FCC_auds) {
*value = stream->total_bytes;
}
else
res = FALSE;
break;
@ -975,6 +1020,17 @@ gst_avi_demux_send_event (GstElement *element, GstEvent *event)
return FALSE;
}
static const GstEventMask*
gst_avi_demux_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_avi_demux_handle_src_event (GstPad *pad, GstEvent *event)
{

12
gst/avi/gstavimux.c
View file

@ -233,6 +233,17 @@ gst_avimux_class_init (GstAviMuxClass *klass)
gstelement_class->set_property = gst_avimux_set_property;
}
static const GstEventMask*
gst_avimux_get_event_masks (GstPad *pad)
{
static const GstEventMask gst_avimux_event_masks[] = {
{ GST_EVENT_NEW_MEDIA, 0 },
{ 0, }
};
return gst_avimux_event_masks;
}
static void
gst_avimux_init (GstAviMux *avimux)
{
@ -243,6 +254,7 @@ gst_avimux_init (GstAviMux *avimux)
GST_FLAG_SET (GST_ELEMENT(avimux), GST_ELEMENT_EVENT_AWARE);
gst_pad_set_event_function(avimux->srcpad, gst_avimux_handle_event);
gst_pad_set_event_mask_function(avimux->srcpad, gst_avimux_get_event_masks);
for (i=0;i<MAX_NUM_AUDIO_PADS;i++)
avimux->audiosinkpad[i] = NULL;