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Fixed event handling in gsmenc.

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Original commit message from CVS:
Fixed event handling in gsmenc.
This commit is contained in:
Flavio Oliveira 2005-10-25 13:31:09 +00:00
parent 69431fca55
commit 4d87f79f85
3 changed files with 114 additions and 73 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2005-10-25 Edgard Lima <edgard.lima@indt.org.br>
* ext/gsm/gstgsmenc.c: (gst_gsmenc_init),
(gst_gsmenc_sink_event), (gst_gsmenc_chain):
* ext/gsm/gstgsmenc.h:
Fixed event handling
2005-10-24 Christian Schaller <christian@fluendo.com>
* configure.ac: port over thomas's plugin listing from base

179
ext/gsm/gstgsmenc.c
View file

@ -56,6 +56,9 @@ static GstFlowReturn gst_gsmenc_chain (GstPad * pad, GstBuffer * buf);
static GstElementClass *parent_class = NULL;
static guint gst_gsmenc_signals[LAST_SIGNAL] = { 0 };
static gboolean gst_gsmenc_sink_event (GstPad * pad, GstEvent * event);
GType
gst_gsmenc_get_type (void)
{
@ -137,6 +140,7 @@ gst_gsmenc_init (GstGSMEnc * gsmenc)
(&gsmenc_sink_template), "sink");
gst_element_add_pad (GST_ELEMENT (gsmenc), gsmenc->sinkpad);
gst_pad_set_chain_function (gsmenc->sinkpad, gst_gsmenc_chain);
gst_pad_set_event_function (gsmenc->sinkpad, gst_gsmenc_sink_event);
gsmenc->srcpad =
gst_pad_new_from_template (gst_static_pad_template_get
@ -146,98 +150,127 @@ gst_gsmenc_init (GstGSMEnc * gsmenc)
gsmenc->state = gsm_create ();
gsmenc->bufsize = 0;
gsmenc->next_ts = 0;
gsmenc->firstBuf = TRUE;
}
static gboolean
gst_gsmenc_sink_event (GstPad * pad, GstEvent * event)
{
GstGSMEnc *gsmenc;
gsmenc = GST_GSMENC (GST_OBJECT_PARENT (pad));
gboolean ret = TRUE;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
{
GST_STREAM_LOCK (pad);
ret = gst_pad_push_event (gsmenc->srcpad, event);
GST_STREAM_UNLOCK (pad);
break;
}
case GST_EVENT_NEWSEGMENT:
{
/* drop the discontinuity */
gst_event_unref (event);
break;
}
default:
{
gst_pad_event_default (pad, event);
break;
}
}
return ret;
}
static GstFlowReturn
gst_gsmenc_chain (GstPad * pad, GstBuffer * buf)
{
GstGSMEnc *gsmenc;
gsm_signal *data;
guint size;
GstFlowReturn ret = GST_FLOW_OK;
gsmenc = GST_GSMENC (GST_OBJECT_PARENT (pad));
gsmenc = GST_GSMENC (gst_pad_get_parent (pad));
if (GST_IS_EVENT (buf)) {
GstEvent *event = GST_EVENT (buf);
data = (gsm_signal *) GST_BUFFER_DATA (buf);
size = GST_BUFFER_SIZE (buf) / sizeof (gsm_signal);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:{
gst_pad_push_event (gsmenc->srcpad, gst_event_new_eos ());
gst_pad_push (gsmenc->srcpad, buf);
break;
}
case GST_EVENT_NEWSEGMENT:{
/* drop the discontinuity */
break;
}
default:{
gst_pad_event_default (pad, event);
break;
}
}
return GST_FLOW_OK;
} else if (GST_IS_BUFFER (buf)) {
gsm_signal *data;
guint size;
GstCaps *tempcaps = NULL;
if (gsmenc->bufsize && (gsmenc->bufsize + size >= 160)) {
GstBuffer *outbuf;
data = (gsm_signal *) GST_BUFFER_DATA (buf);
size = GST_BUFFER_SIZE (buf) / sizeof (gsm_signal);
memcpy (gsmenc->buffer + gsmenc->bufsize, data,
(160 - gsmenc->bufsize) * sizeof (gsm_signal));
if (gsmenc->bufsize && (gsmenc->bufsize + size >= 160)) {
GstBuffer *outbuf;
outbuf = gst_buffer_new_and_alloc (33 * sizeof (gsm_byte));
GST_BUFFER_TIMESTAMP (outbuf) = gsmenc->next_ts;
GST_BUFFER_DURATION (outbuf) = 20 * GST_MSECOND;
gsmenc->next_ts += 20 * GST_MSECOND;
memcpy (gsmenc->buffer + gsmenc->bufsize, data,
(160 - gsmenc->bufsize) * sizeof (gsm_signal));
gsm_encode (gsmenc->state, gsmenc->buffer,
(gsm_byte *) GST_BUFFER_DATA (outbuf));
outbuf = gst_buffer_new_and_alloc (33 * sizeof (gsm_byte));
GST_BUFFER_TIMESTAMP (outbuf) = gsmenc->next_ts;
GST_BUFFER_DURATION (outbuf) = 20 * GST_MSECOND;
gsmenc->next_ts += 20 * GST_MSECOND;
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (gsmenc->srcpad));
gsm_encode (gsmenc->state, gsmenc->buffer,
(gsm_byte *) GST_BUFFER_DATA (outbuf));
tempcaps = gst_caps_new_simple ("audio/x-gsm",
"rate", G_TYPE_INT, 8000, "channels", G_TYPE_INT, 1, NULL);
gst_buffer_set_caps (outbuf, tempcaps);
gst_pad_push (gsmenc->srcpad, outbuf);
size -= (160 - gsmenc->bufsize);
data += (160 - gsmenc->bufsize);
gsmenc->bufsize = 0;
if (gsmenc->firstBuf) {
gst_pad_push_event (gsmenc->srcpad,
gst_event_new_newsegment (FALSE, 1.0, GST_FORMAT_DEFAULT,
0, GST_CLOCK_TIME_NONE, 0));
gsmenc->firstBuf = FALSE;
}
while (size >= 160) {
GstBuffer *outbuf;
ret = gst_pad_push (gsmenc->srcpad, outbuf);
outbuf = gst_buffer_new_and_alloc (33 * sizeof (gsm_byte));
GST_BUFFER_TIMESTAMP (outbuf) = gsmenc->next_ts;
GST_BUFFER_DURATION (outbuf) = 20 * GST_MSECOND;
gsmenc->next_ts += 20 * GST_MSECOND;
gsm_encode (gsmenc->state, data, (gsm_byte *) GST_BUFFER_DATA (outbuf));
/* I was wondering that gst_buffer_set_caps (outbuf, GST_PAD_CAPS (gsmenc->srcpad));
* could work, but it doens't work */
tempcaps = gst_caps_new_simple ("audio/x-gsm",
"rate", G_TYPE_INT, 8000, "channels", G_TYPE_INT, 1, NULL);
gst_buffer_set_caps (outbuf, tempcaps);
gst_pad_push (gsmenc->srcpad, outbuf);
size -= 160;
data += 160;
if (ret != GST_FLOW_OK) {
gst_buffer_unref (outbuf);
goto error;
}
if (size) {
memcpy (gsmenc->buffer + gsmenc->bufsize, data,
size * sizeof (gsm_signal));
gsmenc->bufsize += size;
}
size -= (160 - gsmenc->bufsize);
data += (160 - gsmenc->bufsize);
gsmenc->bufsize = 0;
/*gst_buffer_unref (buf); */
return GST_FLOW_OK;
}
return GST_FLOW_OK;
while (size >= 160) {
GstBuffer *outbuf;
outbuf = gst_buffer_new_and_alloc (33 * sizeof (gsm_byte));
GST_BUFFER_TIMESTAMP (outbuf) = gsmenc->next_ts;
GST_BUFFER_DURATION (outbuf) = 20 * GST_MSECOND;
gsmenc->next_ts += 20 * GST_MSECOND;
gsm_encode (gsmenc->state, data, (gsm_byte *) GST_BUFFER_DATA (outbuf));
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (gsmenc->srcpad));
if (gsmenc->firstBuf) {
gst_pad_push_event (gsmenc->srcpad,
gst_event_new_newsegment (FALSE, 1.0, GST_FORMAT_DEFAULT,
0, GST_CLOCK_TIME_NONE, 0));
gsmenc->firstBuf = FALSE;
}
ret = gst_pad_push (gsmenc->srcpad, outbuf);
if (ret != GST_FLOW_OK) {
gst_buffer_unref (outbuf);
goto error;
}
size -= 160;
data += 160;
}
if (size) {
memcpy (gsmenc->buffer + gsmenc->bufsize, data, size * sizeof (gsm_signal));
gsmenc->bufsize += size;
}
error:
gst_object_unref (gsmenc);
return ret;
}

1
ext/gsm/gstgsmenc.h
View file

@ -55,6 +55,7 @@ struct _GstGSMEnc
gsm_signal buffer[160];
gint bufsize;
GstClockTime next_ts;
gboolean firstBuf;
};
struct _GstGSMEncClass