mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 12:11:13 +00:00
srtpdec: Add support for buffer list
https://bugzilla.gnome.org/show_bug.cgi?id=746387
This commit is contained in:
parent
8f8b0f5478
commit
ff11a1a8a0
1 changed files with 141 additions and 1 deletions
|
@ -142,6 +142,22 @@ enum
|
|||
PROP_0
|
||||
};
|
||||
|
||||
typedef struct _ValidateBufferItData
|
||||
{
|
||||
GstSrtpDecSsrcStream **stream;
|
||||
GstSrtpDec *filter;
|
||||
guint32 *ssrc;
|
||||
gboolean *is_rtcp;
|
||||
} ValidateBufferItData;
|
||||
|
||||
typedef struct _DecodeBufferItData
|
||||
{
|
||||
GstSrtpDec *filter;
|
||||
GstPad *pad;
|
||||
guint32 ssrc;
|
||||
gboolean is_rtcp;
|
||||
} DecodeBufferItData;
|
||||
|
||||
/* the capabilities of the inputs and outputs.
|
||||
*
|
||||
* describe the real formats here.
|
||||
|
@ -202,6 +218,11 @@ static GstFlowReturn gst_srtp_dec_chain_rtp (GstPad * pad,
|
|||
static GstFlowReturn gst_srtp_dec_chain_rtcp (GstPad * pad,
|
||||
GstObject * parent, GstBuffer * buf);
|
||||
|
||||
static GstFlowReturn gst_srtp_dec_chain_list_rtp (GstPad * pad,
|
||||
GstObject * parent, GstBufferList * buf_list);
|
||||
static GstFlowReturn gst_srtp_dec_chain_list_rtcp (GstPad * pad,
|
||||
GstObject * parent, GstBufferList * buf_list);
|
||||
|
||||
static GstStateChangeReturn gst_srtp_dec_change_state (GstElement * element,
|
||||
GstStateChange transition);
|
||||
|
||||
|
@ -347,6 +368,8 @@ gst_srtp_dec_init (GstSrtpDec * filter)
|
|||
GST_DEBUG_FUNCPTR (gst_srtp_dec_iterate_internal_links_rtp));
|
||||
gst_pad_set_chain_function (filter->rtp_sinkpad,
|
||||
GST_DEBUG_FUNCPTR (gst_srtp_dec_chain_rtp));
|
||||
gst_pad_set_chain_list_function (filter->rtp_sinkpad,
|
||||
GST_DEBUG_FUNCPTR (gst_srtp_dec_chain_list_rtp));
|
||||
|
||||
filter->rtp_srcpad =
|
||||
gst_pad_new_from_static_template (&rtp_src_template, "rtp_src");
|
||||
|
@ -370,6 +393,8 @@ gst_srtp_dec_init (GstSrtpDec * filter)
|
|||
GST_DEBUG_FUNCPTR (gst_srtp_dec_iterate_internal_links_rtcp));
|
||||
gst_pad_set_chain_function (filter->rtcp_sinkpad,
|
||||
GST_DEBUG_FUNCPTR (gst_srtp_dec_chain_rtcp));
|
||||
gst_pad_set_chain_list_function (filter->rtcp_sinkpad,
|
||||
GST_DEBUG_FUNCPTR (gst_srtp_dec_chain_list_rtcp));
|
||||
|
||||
filter->rtcp_srcpad =
|
||||
gst_pad_new_from_static_template (&rtcp_src_template, "rtcp_src");
|
||||
|
@ -1121,7 +1146,6 @@ gst_srtp_dec_chain (GstPad * pad, GstObject * parent, GstBuffer * buf,
|
|||
GST_OBJECT_LOCK (filter);
|
||||
|
||||
/* Check if this stream exists, if not create a new stream */
|
||||
|
||||
if (!(stream = validate_buffer (filter, buf, &ssrc, &is_rtcp))) {
|
||||
GST_OBJECT_UNLOCK (filter);
|
||||
GST_WARNING_OBJECT (filter, "Invalid buffer, dropping");
|
||||
|
@ -1169,6 +1193,107 @@ drop_buffer:
|
|||
return ret;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
validate_buffer_it (GstBuffer ** buffer, guint index, gpointer user_data)
|
||||
{
|
||||
ValidateBufferItData *data = user_data;
|
||||
|
||||
if (!(*data->stream =
|
||||
validate_buffer (data->filter, *buffer, data->ssrc, data->is_rtcp))) {
|
||||
GST_WARNING_OBJECT (data->filter, "Invalid buffer, dropping");
|
||||
gst_buffer_replace (buffer, NULL);
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
decode_buffer_it (GstBuffer ** buffer, guint index, gpointer user_data)
|
||||
{
|
||||
DecodeBufferItData *data = user_data;
|
||||
|
||||
if (!gst_srtp_dec_decode_buffer (data->filter, data->pad, *buffer,
|
||||
data->is_rtcp, data->ssrc)) {
|
||||
GST_WARNING_OBJECT (data->filter, "Error decoding buffer, dropping");
|
||||
gst_buffer_replace (buffer, NULL);
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
gst_srtp_dec_chain_list (GstPad * pad, GstObject * parent,
|
||||
GstBufferList * buf_list, gboolean is_rtcp)
|
||||
{
|
||||
GstSrtpDec *filter = GST_SRTP_DEC (parent);
|
||||
GstPad *otherpad;
|
||||
GstSrtpDecSsrcStream *stream = NULL;
|
||||
GstFlowReturn ret = GST_FLOW_OK;
|
||||
guint32 ssrc = 0;
|
||||
ValidateBufferItData validate_data;
|
||||
DecodeBufferItData decode_data;
|
||||
|
||||
validate_data.stream = &stream;
|
||||
validate_data.filter = filter;
|
||||
validate_data.ssrc = &ssrc;
|
||||
validate_data.is_rtcp = &is_rtcp;
|
||||
|
||||
decode_data.filter = filter;
|
||||
decode_data.pad = pad;
|
||||
|
||||
GST_OBJECT_LOCK (filter);
|
||||
|
||||
/* Check if this stream exists, if not create a new stream */
|
||||
gst_buffer_list_foreach (buf_list, validate_buffer_it, &validate_data);
|
||||
|
||||
if (!gst_buffer_list_length (buf_list)) {
|
||||
GST_OBJECT_LOCK (filter);
|
||||
gst_buffer_list_unref (buf_list);
|
||||
return GST_FLOW_OK;
|
||||
}
|
||||
|
||||
if (!STREAM_HAS_CRYPTO (stream)) {
|
||||
GST_OBJECT_UNLOCK (filter);
|
||||
goto push_out;
|
||||
}
|
||||
|
||||
decode_data.ssrc = ssrc;
|
||||
decode_data.is_rtcp = is_rtcp;
|
||||
|
||||
gst_buffer_list_foreach (buf_list, decode_buffer_it, &decode_data);
|
||||
|
||||
GST_OBJECT_UNLOCK (filter);
|
||||
|
||||
if (!gst_buffer_list_length (buf_list)) {
|
||||
gst_buffer_list_unref (buf_list);
|
||||
return GST_FLOW_OK;
|
||||
}
|
||||
|
||||
/* If all is well, we may have reached soft limit */
|
||||
if (gst_srtp_get_soft_limit_reached ())
|
||||
request_key_with_signal (filter, ssrc, SIGNAL_SOFT_LIMIT);
|
||||
|
||||
push_out:
|
||||
/* Push buffer list to source pad */
|
||||
if (is_rtcp) {
|
||||
otherpad = filter->rtcp_srcpad;
|
||||
if (!filter->rtcp_has_segment)
|
||||
gst_srtp_dec_push_early_events (filter, filter->rtcp_srcpad,
|
||||
filter->rtp_srcpad, TRUE);
|
||||
} else {
|
||||
otherpad = filter->rtp_srcpad;
|
||||
if (!filter->rtp_has_segment)
|
||||
gst_srtp_dec_push_early_events (filter, filter->rtp_srcpad,
|
||||
filter->rtcp_srcpad, FALSE);
|
||||
}
|
||||
|
||||
GST_LOG_OBJECT (pad, "Pushing buffer chain of %d",
|
||||
gst_buffer_list_length (buf_list));
|
||||
ret = gst_pad_push_list (otherpad, buf_list);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
gst_srtp_dec_chain_rtp (GstPad * pad, GstObject * parent, GstBuffer * buf)
|
||||
{
|
||||
|
@ -1181,6 +1306,21 @@ gst_srtp_dec_chain_rtcp (GstPad * pad, GstObject * parent, GstBuffer * buf)
|
|||
return gst_srtp_dec_chain (pad, parent, buf, TRUE);
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
gst_srtp_dec_chain_list_rtp (GstPad * pad, GstObject * parent,
|
||||
GstBufferList * buf_list)
|
||||
{
|
||||
return gst_srtp_dec_chain_list (pad, parent, buf_list, FALSE);
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
gst_srtp_dec_chain_list_rtcp (GstPad * pad, GstObject * parent,
|
||||
GstBufferList * buf_list)
|
||||
{
|
||||
return gst_srtp_dec_chain_list (pad, parent, buf_list, TRUE);
|
||||
}
|
||||
|
||||
|
||||
static GstStateChangeReturn
|
||||
gst_srtp_dec_change_state (GstElement * element, GstStateChange transition)
|
||||
{
|
||||
|
|
Loading…
Reference in a new issue