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srtpenc: Do not drop all buffers in buffer list if one fails

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=746387
This commit is contained in:
Jose Antonio Santos Cadenas 2015-03-19 16:17:58 +01:00 committed by Sebastian Dröge
parent fd3c60de34
commit 8f8b0f5478
1 changed files with 67 additions and 25 deletions
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92
ext/srtp/gstsrtpenc.c
View file

@ -162,6 +162,20 @@ enum
PROP_ALLOW_REPEAT_TX
};
typedef struct ValidateBufferItData
{
GstSrtpEnc *filter;
gboolean is_rtcp;
} ValidateBufferItData;
typedef struct ProcessBufferItData
{
GstSrtpEnc *filter;
GstPad *pad;
GstBufferList *out_list;
gboolean is_rtcp;
} ProcessBufferItData;
/* the capabilities of the inputs and outputs.
*
* describe the real formats here.
@ -1150,6 +1164,36 @@ fail:
goto out;
}
static gboolean
validate_buffer_it (GstBuffer ** buffer, guint index, gpointer user_data)
{
ValidateBufferItData *data = user_data;
if (!gst_srtp_enc_check_buffer (data->filter, *buffer, data->is_rtcp)) {
GST_WARNING_OBJECT (data->filter, "Invalid buffer, dropping");
gst_buffer_replace (buffer, NULL);
}
return TRUE;
}
static gboolean
process_buffer_it (GstBuffer ** buffer, guint index, gpointer user_data)
{
ProcessBufferItData *data = user_data;
GstBuffer *bufout;
if ((bufout =
gst_srtp_enc_process_buffer (data->filter, data->pad, *buffer,
data->is_rtcp))) {
gst_buffer_list_add (data->out_list, bufout);
} else {
GST_WARNING_OBJECT (data->filter, "Error encoding buffer, dropping");
}
return TRUE;
}
static GstFlowReturn
gst_srtp_enc_chain_list (GstPad * pad, GstObject * parent,
GstBufferList * buf_list, gboolean is_rtcp)
@ -1158,23 +1202,22 @@ gst_srtp_enc_chain_list (GstPad * pad, GstObject * parent,
GstFlowReturn ret = GST_FLOW_OK;
GstPad *otherpad;
GstBufferList *out_list = NULL;
guint i, num_buffers;
ValidateBufferItData validate_data;
ProcessBufferItData process_data;
num_buffers = gst_buffer_list_length (buf_list);
validate_data.filter = filter;
validate_data.is_rtcp = is_rtcp;
GST_LOG_OBJECT (pad, "Buffer chain with list of %d", num_buffers);
GST_LOG_OBJECT (pad, "Buffer chain with list of %d",
gst_buffer_list_length (buf_list));
for (i = 0; i < num_buffers; i++) {
GstBuffer *buf = gst_buffer_list_get (buf_list, i);
gst_buffer_list_foreach (buf_list, validate_buffer_it, &validate_data);
if (!gst_srtp_enc_check_buffer (filter, buf, is_rtcp)) {
goto fail;
}
}
if ((ret = gst_srtp_enc_check_set_caps (filter, pad, is_rtcp)) != GST_FLOW_OK) {
if (!gst_buffer_list_length (buf_list))
goto out;
if ((ret = gst_srtp_enc_check_set_caps (filter, pad, is_rtcp)) != GST_FLOW_OK)
goto out;
}
GST_OBJECT_LOCK (filter);
@ -1188,20 +1231,23 @@ gst_srtp_enc_chain_list (GstPad * pad, GstObject * parent,
out_list = gst_buffer_list_new ();
for (i = 0; i < num_buffers; i++) {
GstBuffer *bufout;
GstBuffer *buf = gst_buffer_list_get (buf_list, i);
process_data.filter = filter;
process_data.pad = pad;
process_data.is_rtcp = is_rtcp;
process_data.out_list = out_list;
if ((bufout = gst_srtp_enc_process_buffer (filter, pad, buf, is_rtcp))) {
gst_buffer_list_add (out_list, bufout);
} else {
gst_buffer_list_unref (out_list);
goto fail;
}
gst_buffer_list_foreach (buf_list, process_buffer_it, &process_data);
if (!gst_buffer_list_length (out_list)) {
gst_buffer_list_unref (out_list);
ret = GST_FLOW_OK;
goto out;
}
/* Push buffer to source pad */
otherpad = get_rtp_other_pad (pad);
GST_LOG_OBJECT (pad, "Pushing buffer chain of %d",
gst_buffer_list_length (buf_list));
ret = gst_pad_push_list (otherpad, out_list);
if (ret != GST_FLOW_OK) {
@ -1225,10 +1271,6 @@ out:
gst_buffer_list_unref (buf_list);
return ret;
fail:
ret = GST_FLOW_ERROR;
goto out;
}
static GstFlowReturn