Commit ab482163 authored by Thibault Saunier's avatar Thibault Saunier 🌵 Committed by GStreamer Marge Bot
Browse files

gdb: Add support for queries and buffers

Part-of: <!482>
parent 9f2e9ccd
......@@ -96,7 +96,7 @@ GST_CLOCK_TIME_NONE = 2**64-1
GST_CLOCK_STIME_NONE = -2**63
def format_time(n, signed):
def format_time(n, signed=False):
prefix = ""
invalid = False
if signed:
......@@ -521,7 +521,7 @@ class GdbGstStructure:
if prefix is not None:
_gdb_write(indent, "%s: %s" % (prefix, self.name()))
else:
_gdb_write(indent, "%s:" % (prefix, self.name()))
_gdb_write(indent, "%s:" % (self.name()))
for (key, value) in self.values():
_gdb_write(indent+1, "%s: %s" % (key, str(value)))
......@@ -607,6 +607,71 @@ class GdbGstEvent:
self.structure().print(indent, typestr)
class GdbGstBuffer:
def __init__(self, val):
self.val = val.cast(gdb.lookup_type("GstBuffer").pointer())
def print_optional(self, indent, key, skip=None, format_func=str):
value = int(self.val[key])
if skip is None or value != skip:
_gdb_write(indent, "%s:%s %s" %
(key, (8-len(key))*" ", format_func(value)))
@save_memory_access_print("<inaccessible memory>")
def print(self, indent):
_gdb_write(indent, "GstBuffer: (0x%x)" % self.val)
indent += 1
self.print_optional(indent, "pool", 0)
self.print_optional(indent, "pts", GST_CLOCK_TIME_NONE, format_time)
self.print_optional(indent, "dts", GST_CLOCK_TIME_NONE, format_time)
self.print_optional(indent, "duration", GST_CLOCK_TIME_NONE, format_time)
self.print_optional(indent, "offset", GST_CLOCK_TIME_NONE)
self.print_optional(indent, "offset_end", GST_CLOCK_TIME_NONE)
impl = self.val.cast(gdb.lookup_type("GstBufferImpl").pointer())
meta_item = impl['item']
if meta_item:
_gdb_write(indent, "Metas:")
indent += 1
while meta_item:
meta = meta_item['meta']
meta_type_name = g_type_to_name(meta['info']['type'])
_gdb_write(indent, "%s:" % meta_type_name)
indent += 1
meta_info = str(meta.cast(gdb.lookup_type(meta_type_name)))
for l in meta_info.split('\n'):
_gdb_write(indent, l)
indent -= 1
meta_item = meta_item['next']
else:
_gdb_write(indent, "(No meta)")
class GdbGstQuery:
def __init__(self, val):
self.val = val.cast(gdb.lookup_type("GstQueryImpl").pointer())
@save_memory_access("<inaccessible memory>")
def typestr(self):
t = self.val["query"]["type"]
(query_quarks, _) = gdb.lookup_symbol("query_quarks")
query_quarks = query_quarks.value()
i = 0
while query_quarks[i]["name"] != 0:
if t == query_quarks[i]["type"]:
return query_quarks[i]["name"].string()
i += 1
return None
def structure(self):
return GdbGstStructure(self.val["structure"])
@save_memory_access_print("<inaccessible memory>")
def print(self, indent):
typestr = self.typestr()
self.structure().print(indent, typestr)
class GdbGstObject:
def __init__(self, klass, val):
self.val = val.cast(klass)
......@@ -1064,7 +1129,7 @@ Usage gst-print <gstreamer-object>"""
def invoke(self, arg, from_tty):
value = gdb.parse_and_eval(arg)
if not value:
raise Exception("'%s' is not a valid object" % args[0])
raise Exception("'%s' is not a valid object" % arg)
if value.type.code != gdb.TYPE_CODE_PTR:
value = value.address
......@@ -1076,9 +1141,13 @@ Usage gst-print <gstreamer-object>"""
elif g_inherits_type(value, "GstCaps"):
obj = GdbGstCaps(value)
elif g_inherits_type(value, "GstEvent"):
obj = GdbGstCaps(value)
obj = GdbGstEvent(value)
elif g_inherits_type(value, "GstQuery"):
obj = GdbGstQuery(value)
elif g_inherits_type(value, "GstBuffer"):
obj = GdbGstBuffer(value)
else:
raise Exception("'%s' has an unknown type" % arg)
raise Exception("'%s' has an unknown type (%s)" % (arg, value))
obj.print(0)
......
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