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Expose supported events, formats and querytypes

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Original commit message from CVS:
Expose supported events, formats and querytypes
This commit is contained in:
Wim Taymans 2002-07-25 18:12:46 +00:00
parent ba4646de1f
commit da620f6842
1 changed files with 25 additions and 2 deletions
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27
ext/flac/gstflacdec.c
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@ -52,10 +52,15 @@ static void gst_flacdec_init (FlacDec *flacdec);
static void gst_flacdec_loop (GstElement *element);
static GstElementStateReturn
gst_flacdec_change_state (GstElement *element);
static const GstFormat* gst_flacdec_get_src_formats (GstPad *pad);
static gboolean gst_flacdec_convert_src (GstPad *pad, GstFormat src_format, gint64 src_value,
GstFormat *dest_format, gint64 *dest_value);
static const GstPadQueryType*
gst_flacdec_get_src_query_types (GstPad *pad);
static gboolean gst_flacdec_src_query (GstPad *pad, GstPadQueryType type,
GstFormat *format, gint64 *value);
static const GstEventMask*
gst_flacdec_get_src_event_masks (GstPad *pad);
static gboolean gst_flacdec_src_event (GstPad *pad, GstEvent *event);
static FLAC__SeekableStreamDecoderReadStatus
@ -129,8 +134,11 @@ gst_flacdec_init (FlacDec *flacdec)
gst_element_set_loop_function (GST_ELEMENT (flacdec), gst_flacdec_loop);
flacdec->srcpad = gst_pad_new_from_template (dec_src_template, "src");
gst_element_add_pad (GST_ELEMENT (flacdec), flacdec->srcpad);
gst_pad_set_query_function (flacdec->srcpad, gst_flacdec_src_query);
gst_pad_set_formats_function (flacdec->srcpad, gst_flacdec_get_src_formats);
gst_pad_set_convert_function (flacdec->srcpad, gst_flacdec_convert_src);
gst_pad_set_query_type_function (flacdec->srcpad, gst_flacdec_get_src_query_types);
gst_pad_set_query_function (flacdec->srcpad, gst_flacdec_src_query);
gst_pad_set_event_mask_function (flacdec->srcpad, gst_flacdec_get_src_event_masks);
gst_pad_set_event_function (flacdec->srcpad, gst_flacdec_src_event);
flacdec->decoder = FLAC__seekable_stream_decoder_new ();
@ -270,8 +278,8 @@ gst_flacdec_read (const FLAC__SeekableStreamDecoder *decoder, FLAC__byte buffer[
case GST_EVENT_EOS:
GST_DEBUG (0, "eos");
flacdec->eos = TRUE;
if (avail == 0) {
gst_event_unref (event);
if (avail == 0) {
return 0;
}
break;
@ -434,6 +442,12 @@ gst_flacdec_loop (GstElement *element)
}
}
GST_FORMATS_FUNCTION (gst_flacdec_get_src_formats,
GST_FORMAT_UNITS,
GST_FORMAT_BYTES,
GST_FORMAT_TIME
)
static gboolean
gst_flacdec_convert_src (GstPad *pad, GstFormat src_format, gint64 src_value,
GstFormat *dest_format, gint64 *dest_value)
@ -503,6 +517,11 @@ gst_flacdec_convert_src (GstPad *pad, GstFormat src_format, gint64 src_value,
return res;
}
GST_PAD_QUERY_TYPE_FUNCTION (gst_flacdec_get_src_query_types,
GST_PAD_QUERY_TOTAL,
GST_PAD_QUERY_POSITION
)
static gboolean
gst_flacdec_src_query (GstPad *pad, GstPadQueryType type,
GstFormat *format, gint64 *value)
@ -534,6 +553,10 @@ gst_flacdec_src_query (GstPad *pad, GstPadQueryType type,
return res;
}
GST_EVENT_MASK_FUNCTION (gst_flacdec_get_src_event_masks,
{ GST_EVENT_SEEK, GST_SEEK_FLAG_ACCURATE }
);
static gboolean
gst_flacdec_src_event (GstPad *pad, GstEvent *event)
{