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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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ghostpad: Add guards against invalid parameters to the new, public functions
This commit is contained in:
Sebastian Dröge
parent
6807e536b0
commit
800b738715
1 changed files with 81 additions and 15 deletions
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@ -90,12 +90,16 @@ static void on_src_target_notify (GstPad * target,
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static GParamSpec *pspec_caps = NULL;
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const GstQueryType *
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gst_proxy_pad_query_type_default (GstPad * pad)
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{
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GstPad *target = gst_proxy_pad_get_target (pad);
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GstPad *target;
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const GstQueryType *res = NULL;
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g_return_val_if_fail (GST_IS_PROXY_PAD (pad), NULL);
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target = gst_proxy_pad_get_target (pad);
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if (target) {
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res = gst_pad_get_query_types (target);
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gst_object_unref (target);
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@ -107,9 +111,13 @@ gboolean
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gst_proxy_pad_event_default (GstPad * pad, GstEvent * event)
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{
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gboolean res = FALSE;
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GstPad *internal =
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GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD_CAST (pad)));
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GstPad *internal;
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g_return_val_if_fail (GST_IS_PROXY_PAD (pad), FALSE);
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g_return_val_if_fail (GST_IS_EVENT (event), FALSE);
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internal =
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GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD_CAST (pad)));
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if (internal) {
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res = gst_pad_push_event (internal, event);
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gst_object_unref (internal);
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@ -122,8 +130,12 @@ gboolean
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gst_proxy_pad_query_default (GstPad * pad, GstQuery * query)
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{
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gboolean res = FALSE;
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GstPad *target = gst_proxy_pad_get_target (pad);
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GstPad *target;
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g_return_val_if_fail (GST_IS_PROXY_PAD (pad), FALSE);
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g_return_val_if_fail (GST_IS_QUERY (query), FALSE);
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target = gst_proxy_pad_get_target (pad);
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if (target) {
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res = gst_pad_query (target, query);
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gst_object_unref (target);
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@ -138,6 +150,8 @@ gst_proxy_pad_iterate_internal_links_default (GstPad * pad)
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GstIterator *res = NULL;
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GstPad *internal;
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g_return_val_if_fail (GST_IS_PROXY_PAD (pad), NULL);
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internal =
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GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD_CAST (pad)));
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@ -156,9 +170,14 @@ gst_proxy_pad_bufferalloc_default (GstPad * pad, guint64 offset, guint size,
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GstCaps * caps, GstBuffer ** buf)
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{
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GstFlowReturn result = GST_FLOW_WRONG_STATE;
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GstPad *internal =
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GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD_CAST (pad)));
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GstPad *internal;
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g_return_val_if_fail (GST_IS_PROXY_PAD (pad), GST_FLOW_ERROR);
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g_return_val_if_fail (caps == NULL || GST_IS_CAPS (caps), GST_FLOW_ERROR);
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g_return_val_if_fail (buf != NULL, GST_FLOW_ERROR);
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internal =
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GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD_CAST (pad)));
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if (internal) {
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result = gst_pad_alloc_buffer (internal, offset, size, caps, buf);
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gst_object_unref (internal);
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@ -171,8 +190,12 @@ GstFlowReturn
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gst_proxy_pad_chain_default (GstPad * pad, GstBuffer * buffer)
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{
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GstFlowReturn res;
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GstPad *internal = GST_PROXY_PAD_INTERNAL (pad);
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GstPad *internal;
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g_return_val_if_fail (GST_IS_PROXY_PAD (pad), GST_FLOW_ERROR);
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g_return_val_if_fail (GST_IS_BUFFER (buffer), GST_FLOW_ERROR);
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internal = GST_PROXY_PAD_INTERNAL (pad);
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res = gst_pad_push (internal, buffer);
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return res;
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@ -182,8 +205,12 @@ GstFlowReturn
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gst_proxy_pad_chain_list_default (GstPad * pad, GstBufferList * list)
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{
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GstFlowReturn res;
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GstPad *internal = GST_PROXY_PAD_INTERNAL (pad);
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GstPad *internal;
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g_return_val_if_fail (GST_IS_PROXY_PAD (pad), GST_FLOW_ERROR);
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g_return_val_if_fail (GST_IS_BUFFER_LIST (list), GST_FLOW_ERROR);
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internal = GST_PROXY_PAD_INTERNAL (pad);
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res = gst_pad_push_list (internal, list);
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return res;
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@ -194,8 +221,12 @@ gst_proxy_pad_getrange_default (GstPad * pad, guint64 offset, guint size,
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GstBuffer ** buffer)
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{
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GstFlowReturn res;
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GstPad *internal = GST_PROXY_PAD_INTERNAL (pad);
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GstPad *internal;
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g_return_val_if_fail (GST_IS_PROXY_PAD (pad), GST_FLOW_ERROR);
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g_return_val_if_fail (buffer != NULL, GST_FLOW_ERROR);
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internal = GST_PROXY_PAD_INTERNAL (pad);
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res = gst_pad_pull_range (internal, offset, size, buffer);
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return res;
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@ -205,8 +236,11 @@ gboolean
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gst_proxy_pad_checkgetrange_default (GstPad * pad)
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{
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gboolean result;
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GstPad *internal = GST_PROXY_PAD_INTERNAL (pad);
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GstPad *internal;
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g_return_val_if_fail (GST_IS_PROXY_PAD (pad), FALSE);
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internal = GST_PROXY_PAD_INTERNAL (pad);
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result = gst_pad_check_pull_range (internal);
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return result;
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@ -215,10 +249,14 @@ gst_proxy_pad_checkgetrange_default (GstPad * pad)
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GstCaps *
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gst_proxy_pad_getcaps_default (GstPad * pad)
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{
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GstPad *target = gst_proxy_pad_get_target (pad);
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GstPad *target;
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GstCaps *res;
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GstPadTemplate *templ = GST_PAD_PAD_TEMPLATE (pad);
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GstPadTemplate *templ;
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g_return_val_if_fail (GST_IS_PROXY_PAD (pad), NULL);
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templ = GST_PAD_PAD_TEMPLATE (pad);
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target = gst_proxy_pad_get_target (pad);
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if (target) {
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/* if we have a real target, proxy the call */
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res = gst_pad_get_caps_reffed (target);
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@ -264,9 +302,13 @@ done:
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gboolean
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gst_proxy_pad_acceptcaps_default (GstPad * pad, GstCaps * caps)
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{
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GstPad *target = gst_proxy_pad_get_target (pad);
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GstPad *target;
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gboolean res;
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g_return_val_if_fail (GST_IS_PROXY_PAD (pad), FALSE);
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g_return_val_if_fail (caps == NULL || GST_IS_CAPS (caps), FALSE);
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target = gst_proxy_pad_get_target (pad);
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if (target) {
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res = gst_pad_accept_caps (target, caps);
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gst_object_unref (target);
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@ -282,8 +324,12 @@ gst_proxy_pad_acceptcaps_default (GstPad * pad, GstCaps * caps)
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void
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gst_proxy_pad_fixatecaps_default (GstPad * pad, GstCaps * caps)
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{
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GstPad *target = gst_proxy_pad_get_target (pad);
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GstPad *target;
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g_return_if_fail (GST_IS_PROXY_PAD (pad));
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g_return_if_fail (GST_IS_CAPS (caps));
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target = gst_proxy_pad_get_target (pad);
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if (target) {
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gst_pad_fixate_caps (target, caps);
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gst_object_unref (target);
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@ -293,9 +339,13 @@ gst_proxy_pad_fixatecaps_default (GstPad * pad, GstCaps * caps)
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gboolean
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gst_proxy_pad_setcaps_default (GstPad * pad, GstCaps * caps)
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{
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GstPad *target = gst_proxy_pad_get_target (pad);
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GstPad *target;
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gboolean res;
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g_return_val_if_fail (GST_IS_PROXY_PAD (pad), FALSE);
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g_return_val_if_fail (caps == NULL || GST_IS_CAPS (caps), FALSE);
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target = gst_proxy_pad_get_target (pad);
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if (target) {
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res = gst_pad_set_caps (target, caps);
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gst_object_unref (target);
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@ -584,6 +634,8 @@ gst_ghost_pad_internal_activate_push_default (GstPad * pad, gboolean active)
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gboolean ret;
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GstPad *other;
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g_return_val_if_fail (GST_IS_PROXY_PAD (pad), FALSE);
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GST_LOG_OBJECT (pad, "%sactivate push on %s:%s, we're ok",
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(active ? "" : "de"), GST_DEBUG_PAD_NAME (pad));
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@ -601,6 +653,8 @@ gst_ghost_pad_internal_activate_pull_default (GstPad * pad, gboolean active)
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gboolean ret;
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GstPad *other;
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g_return_val_if_fail (GST_IS_PROXY_PAD (pad), FALSE);
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GST_LOG_OBJECT (pad, "%sactivate pull on %s:%s", (active ? "" : "de"),
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GST_DEBUG_PAD_NAME (pad));
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@ -634,6 +688,8 @@ gst_ghost_pad_activate_push_default (GstPad * pad, gboolean active)
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gboolean ret;
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GstPad *other;
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g_return_val_if_fail (GST_IS_GHOST_PAD (pad), FALSE);
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GST_LOG_OBJECT (pad, "%sactivate push on %s:%s, proxy internal",
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(active ? "" : "de"), GST_DEBUG_PAD_NAME (pad));
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@ -650,6 +706,8 @@ gst_ghost_pad_activate_pull_default (GstPad * pad, gboolean active)
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gboolean ret;
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GstPad *other;
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g_return_val_if_fail (GST_IS_GHOST_PAD (pad), FALSE);
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GST_LOG_OBJECT (pad, "%sactivate pull on %s:%s", (active ? "" : "de"),
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GST_DEBUG_PAD_NAME (pad));
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@ -681,6 +739,9 @@ gst_ghost_pad_link_default (GstPad * pad, GstPad * peer)
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GstPadLinkReturn ret;
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GstPad *internal;
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g_return_val_if_fail (GST_IS_GHOST_PAD (pad), GST_PAD_LINK_REFUSED);
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g_return_val_if_fail (GST_IS_PAD (peer), GST_PAD_LINK_REFUSED);
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GST_DEBUG_OBJECT (pad, "linking ghostpad");
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internal = GST_PROXY_PAD_INTERNAL (pad);
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@ -719,6 +780,8 @@ gst_ghost_pad_unlink_default (GstPad * pad)
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{
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GstPad *internal;
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g_return_if_fail (GST_IS_GHOST_PAD (pad));
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internal = GST_PROXY_PAD_INTERNAL (pad);
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GST_DEBUG_OBJECT (pad, "unlinking ghostpad");
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@ -814,6 +877,9 @@ done:
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gboolean
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gst_ghost_pad_setcaps_default (GstPad * pad, GstCaps * caps)
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{
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g_return_val_if_fail (GST_IS_GHOST_PAD (pad), FALSE);
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g_return_val_if_fail (caps == NULL || GST_IS_CAPS (caps), FALSE);
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if (GST_PAD_DIRECTION (pad) == GST_PAD_SRC)
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return TRUE;
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