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flacparse: add support for the toc-select event

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Select tracks from the CUE sheet by sending a toc-select
event based on the uid in the TOC.

https://bugzilla.gnome.org/show_bug.cgi?id=540891
This commit is contained in:
Anton Belka 2013-03-17 16:27:03 +03:00 committed by Tim-Philipp Müller
parent b85c5f236b
commit 0f97b6f978
1 changed files with 58 additions and 1 deletions
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59
gst/audioparsers/gstflacparse.c
View file

@ -204,6 +204,8 @@ static GstFlowReturn gst_flac_parse_pre_push_frame (GstBaseParse * parse,
static gboolean gst_flac_parse_convert (GstBaseParse * parse,
GstFormat src_format, gint64 src_value, GstFormat dest_format,
gint64 * dest_value);
static gboolean gst_flac_parse_src_event (GstBaseParse * parse,
GstEvent * event);
static GstCaps *gst_flac_parse_get_sink_caps (GstBaseParse * parse,
GstCaps * filter);
@ -237,6 +239,7 @@ gst_flac_parse_class_init (GstFlacParseClass * klass)
baseparse_class->pre_push_frame =
GST_DEBUG_FUNCPTR (gst_flac_parse_pre_push_frame);
baseparse_class->convert = GST_DEBUG_FUNCPTR (gst_flac_parse_convert);
baseparse_class->src_event = GST_DEBUG_FUNCPTR (gst_flac_parse_src_event);
baseparse_class->get_sink_caps =
GST_DEBUG_FUNCPTR (gst_flac_parse_get_sink_caps);
@ -1694,7 +1697,6 @@ gst_flac_parse_pre_push_frame (GstBaseParse * parse, GstBaseParseFrame * frame)
if (flacparse->toc) {
gst_pad_push_event (GST_BASE_PARSE_SRC_PAD (flacparse),
gst_event_new_toc (flacparse->toc, FALSE));
flacparse->toc = NULL;
}
frame->flags |= GST_BASE_PARSE_FRAME_FLAG_CLIP;
@ -1734,6 +1736,61 @@ gst_flac_parse_convert (GstBaseParse * parse,
src_value, dest_format, dest_value);
}
static gboolean
gst_flac_parse_src_event (GstBaseParse * parse, GstEvent * event)
{
GstFlacParse *flacparse = GST_FLAC_PARSE (parse);
gboolean res = FALSE;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_TOC_SELECT:
{
GstTocEntry *entry = NULL;
GstEvent *seek_event;
GstToc *toc = NULL;
gint64 start_pos;
gchar *uid = NULL;
/* FIXME: some locking would be good */
if (flacparse->toc)
toc = gst_toc_ref (flacparse->toc);
if (toc != NULL) {
gst_event_parse_toc_select (event, &uid);
if (uid != NULL) {
entry = gst_toc_find_entry (toc, uid);
if (entry != NULL) {
gst_toc_entry_get_start_stop_times (entry, &start_pos, NULL);
/* FIXME: use segment rate here instead? */
seek_event = gst_event_new_seek (1.0,
GST_FORMAT_TIME,
GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, start_pos, GST_SEEK_TYPE_NONE, -1);
res =
GST_BASE_PARSE_CLASS (parent_class)->src_event (parse,
seek_event);
g_free (uid);
} else {
GST_WARNING_OBJECT (parse, "no TOC entry with given UID: %s", uid);
}
}
gst_toc_unref (toc);
} else {
GST_DEBUG_OBJECT (flacparse, "no TOC to select");
}
gst_event_unref (event);
break;
}
default:
res = GST_BASE_PARSE_CLASS (parent_class)->src_event (parse, event);
break;
}
return res;
}
static GstCaps *
gst_flac_parse_get_sink_caps (GstBaseParse * parse, GstCaps * filter)
{