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removesilence: post bus messages when silence is detected/finished

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Closes #63
This commit is contained in:
Nicola Murino 2018-11-26 16:37:40 +01:00
parent 50a84f8d7b
commit fa7da2fb16
2 changed files with 25 additions and 0 deletions
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24
gst/removesilence/gstremovesilence.c
View file

@ -155,6 +155,7 @@ gst_remove_silence_init (GstRemoveSilence * filter)
filter->remove = FALSE;
filter->squash = FALSE;
filter->ts_offset = 0;
filter->silence_detected = FALSE;
if (!filter->vad) {
GST_DEBUG ("Error initializing VAD !!");
@ -233,6 +234,17 @@ gst_remove_silence_transform_ip (GstBaseTransform * trans, GstBuffer * inbuf)
if (frame_type == VAD_SILENCE) {
GST_DEBUG ("Silence detected");
if (!filter->silence_detected) {
if (GST_BUFFER_PTS_IS_VALID (inbuf)) {
GstStructure *s;
GstMessage *m;
s = gst_structure_new ("removesilence", "silence_detected",
G_TYPE_UINT64, GST_BUFFER_PTS (inbuf) - filter->ts_offset, NULL);
m = gst_message_new_element (GST_OBJECT (filter), s);
gst_element_post_message (GST_ELEMENT (filter), m);
}
filter->silence_detected = TRUE;
}
if (filter->remove) {
GST_DEBUG ("Removing silence");
@ -246,6 +258,18 @@ gst_remove_silence_transform_ip (GstBaseTransform * trans, GstBuffer * inbuf)
return GST_BASE_TRANSFORM_FLOW_DROPPED;
}
} else {
if (filter->silence_detected) {
if (GST_BUFFER_PTS_IS_VALID (inbuf)) {
GstStructure *s;
GstMessage *m;
s = gst_structure_new ("removesilence", "silence_finished",
G_TYPE_UINT64, GST_BUFFER_PTS (inbuf) - filter->ts_offset, NULL);
m = gst_message_new_element (GST_OBJECT (filter), s);
gst_element_post_message (GST_ELEMENT (filter), m);
}
filter->silence_detected = FALSE;
}
}
if (filter->squash && filter->ts_offset > 0) {

1
gst/removesilence/gstremovesilence.h
View file

@ -46,6 +46,7 @@ typedef struct _GstRemoveSilence {
gboolean remove;
gboolean squash;
guint64 ts_offset;
gboolean silence_detected;
} GstRemoveSilence;
typedef struct _GstRemoveSilenceClass {