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-rw-r--r--ext/gsm/gstgsmenc.c165
-rw-r--r--ext/gsm/gstgsmenc.h1
2 files changed, 100 insertions, 66 deletions
diff --git a/ext/gsm/gstgsmenc.c b/ext/gsm/gstgsmenc.c
index 6a8f24ee..43d7f2db 100644
--- a/ext/gsm/gstgsmenc.c
+++ b/ext/gsm/gstgsmenc.c
@@ -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 GstFlowReturn
-gst_gsmenc_chain (GstPad * pad, GstBuffer * buf)
+static gboolean
+gst_gsmenc_sink_event (GstPad * pad, GstEvent * event)
{
+
GstGSMEnc *gsmenc;
gsmenc = GST_GSMENC (GST_OBJECT_PARENT (pad));
-
- if (GST_IS_EVENT (buf)) {
- GstEvent *event = GST_EVENT (buf);
-
- 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;
- }
+ 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;
}
- return GST_FLOW_OK;
- } else if (GST_IS_BUFFER (buf)) {
- gsm_signal *data;
- guint size;
- GstCaps *tempcaps = NULL;
+ 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;
- data = (gsm_signal *) GST_BUFFER_DATA (buf);
- size = GST_BUFFER_SIZE (buf) / sizeof (gsm_signal);
+ gsmenc = GST_GSMENC (gst_pad_get_parent (pad));
- 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;
- tempcaps = gst_caps_new_simple ("audio/x-gsm",
- "rate", G_TYPE_INT, 8000, "channels", G_TYPE_INT, 1, NULL);
+ gsm_encode (gsmenc->state, gsmenc->buffer,
+ (gsm_byte *) GST_BUFFER_DATA (outbuf));
- gst_buffer_set_caps (outbuf, tempcaps);
- gst_pad_push (gsmenc->srcpad, outbuf);
+ gst_buffer_set_caps (outbuf, GST_PAD_CAPS (gsmenc->srcpad));
- 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);
+
+ if (ret != GST_FLOW_OK) {
+ gst_buffer_unref (outbuf);
+ goto error;
+ }
- 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;
+ size -= (160 - gsmenc->bufsize);
+ data += (160 - gsmenc->bufsize);
+ gsmenc->bufsize = 0;
- 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 */
+ while (size >= 160) {
+ GstBuffer *outbuf;
- tempcaps = gst_caps_new_simple ("audio/x-gsm",
- "rate", G_TYPE_INT, 8000, "channels", G_TYPE_INT, 1, NULL);
+ 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, tempcaps);
- gst_pad_push (gsmenc->srcpad, outbuf);
+ gsm_encode (gsmenc->state, data, (gsm_byte *) GST_BUFFER_DATA (outbuf));
- size -= 160;
- data += 160;
+ 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 (size) {
- memcpy (gsmenc->buffer + gsmenc->bufsize, data,
- size * sizeof (gsm_signal));
- gsmenc->bufsize += size;
+ if (ret != GST_FLOW_OK) {
+ gst_buffer_unref (outbuf);
+ goto error;
}
- /*gst_buffer_unref (buf); */
- return GST_FLOW_OK;
+ size -= 160;
+ data += 160;
+ }
+
+ if (size) {
+ memcpy (gsmenc->buffer + gsmenc->bufsize, data, size * sizeof (gsm_signal));
+ gsmenc->bufsize += size;
}
- return GST_FLOW_OK;
+
+error:
+
+ gst_object_unref (gsmenc);
+ return ret;
+
}
diff --git a/ext/gsm/gstgsmenc.h b/ext/gsm/gstgsmenc.h
index cfc88722..a5f1f87e 100644
--- a/ext/gsm/gstgsmenc.h
+++ b/ext/gsm/gstgsmenc.h
@@ -55,6 +55,7 @@ struct _GstGSMEnc
gsm_signal buffer[160];
gint bufsize;
GstClockTime next_ts;
+ gboolean firstBuf;
};
struct _GstGSMEncClass
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-26 05:20:17 +0000