mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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844 lines
25 KiB
Python
844 lines
25 KiB
Python
# -*- coding: utf-8; mode: python; -*-
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#
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# GStreamer Debug Viewer - View and analyze GStreamer debug log files
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#
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# Copyright (C) 2007 René Stadler <mail@renestadler.de>
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the Free
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# Software Foundation; either version 3 of the License, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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# more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program. If not, see <http://www.gnu.org/licenses/>.
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"""GStreamer Debug Viewer timeline widget plugin."""
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import logging
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from GstDebugViewer import Common, Data, GUI
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from GstDebugViewer.Plugins import *
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import gobject
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import gtk
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import cairo
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def iter_model_reversed (model):
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count = model.iter_n_children (None)
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for i in xrange (count - 1, 0, -1):
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yield model[i]
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class LineFrequencySentinel (object):
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def __init__ (self, model):
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self.model = model
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self.clear ()
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def clear (self):
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self.data = None
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self.n_partitions = None
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self.partitions = None
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self.step = None
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self.ts_range = None
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def _search_ts (self, target_ts, first_index, last_index):
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model_get = self.model.get_value
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model_iter_nth_child = self.model.iter_nth_child
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col_id = self.model.COL_TIME
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while True:
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middle = (last_index - first_index) // 2 + first_index
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if middle == first_index:
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return last_index
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ts = model_get (model_iter_nth_child (None, middle), col_id)
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if ts < target_ts:
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first_index = middle + 1
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elif ts > target_ts:
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last_index = middle - 1
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else:
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return middle
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def run_for (self, n):
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if n == 0:
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raise ValueError ("illegal value for n")
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self.n_partitions = n
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def process (self):
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model = self.model
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result = []
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partitions = []
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first_ts = None
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for row in self.model:
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first_ts = row[model.COL_TIME]
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if first_ts is not None:
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break
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if first_ts is None:
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return
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last_ts = None
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i = 0
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UNPARSABLE_LIMIT = 500
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for row in iter_model_reversed (self.model):
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last_ts = row[model.COL_TIME]
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# FIXME: We ignore 0 here (unparsable lines!), this should be
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# handled differently!
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i += 1
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if i == UNPARSABLE_LIMIT:
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break
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if last_ts:
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last_index = row.path[0]
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break
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if last_ts is None or last_ts < first_ts:
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return
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step = int (float (last_ts - first_ts) / float (self.n_partitions))
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YIELD_LIMIT = 100
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limit = YIELD_LIMIT
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first_index = 0
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target_ts = first_ts + step
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old_found = 0
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while target_ts < last_ts:
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limit -= 1
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if limit == 0:
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limit = YIELD_LIMIT
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yield True
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found = self._search_ts (target_ts, first_index, last_index)
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result.append (found - old_found)
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partitions.append (found)
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old_found = found
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first_index = found
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target_ts += step
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if step == 0:
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result = []
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partitions = []
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self.step = step
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self.data = result
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self.partitions = partitions
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self.ts_range = (first_ts, last_ts,)
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class LevelDistributionSentinel (object):
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def __init__ (self, freq_sentinel, model):
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self.freq_sentinel = freq_sentinel
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self.model = model
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self.data = []
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def clear (self):
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del self.data[:]
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def process (self):
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YIELD_LIMIT = 10000
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y = YIELD_LIMIT
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model_get = self.model.get_value
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model_next = self.model.iter_next
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id_time = self.model.COL_TIME
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id_level = self.model.COL_LEVEL
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del self.data[:]
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data = self.data
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i = 0
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partitions_i = 0
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partitions = self.freq_sentinel.partitions
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counts = [0] * 6
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tree_iter = self.model.get_iter_first ()
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if not partitions:
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return
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while tree_iter:
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y -= 1
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if y == 0:
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y = YIELD_LIMIT
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yield True
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level = model_get (tree_iter, id_level)
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if i > partitions[partitions_i]:
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data.append (tuple (counts))
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counts = [0] * 6
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partitions_i += 1
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if partitions_i == len (partitions):
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# FIXME?
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break
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i += 1
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counts[level] += 1
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tree_iter = model_next (tree_iter)
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# Now handle the last one:
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data.append (tuple (counts))
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yield False
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class UpdateProcess (object):
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def __init__ (self, freq_sentinel, dist_sentinel):
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self.freq_sentinel = freq_sentinel
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self.dist_sentinel = dist_sentinel
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self.is_running = False
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self.dispatcher = Common.Data.GSourceDispatcher ()
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def __process (self):
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if self.freq_sentinel is None or self.dist_sentinel is None:
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return
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self.is_running = True
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for x in self.freq_sentinel.process ():
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yield True
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self.handle_sentinel_finished (self.freq_sentinel)
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for x in self.dist_sentinel.process ():
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yield True
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self.handle_sentinel_progress (self.dist_sentinel)
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self.is_running = False
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self.handle_sentinel_finished (self.dist_sentinel)
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self.handle_process_finished ()
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yield False
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def run (self):
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if self.is_running:
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return
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self.dispatcher (self.__process ())
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def abort (self):
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if not self.is_running:
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return
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self.dispatcher.cancel ()
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self.is_running = False
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def handle_sentinel_progress (self, sentinel):
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pass
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def handle_sentinel_finished (self, sentinel):
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pass
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def handle_process_finished (self):
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pass
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class VerticalTimelineWidget (gtk.DrawingArea):
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__gtype_name__ = "GstDebugViewerVerticalTimelineWidget"
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def __init__ (self):
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gtk.DrawingArea.__init__ (self)
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self.logger = logging.getLogger ("ui.vtimeline")
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self.theme = GUI.ThreadColorThemeTango ()
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self.params = None
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self.thread_colors = {}
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self.next_thread_color = 0
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self.connect ("expose-event", self.__handle_expose_event)
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self.connect ("size-request", self.__handle_size_request)
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def __handle_expose_event (self, self_, event):
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self.__draw (self.window)
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def __draw (self, drawable):
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ctx = drawable.cairo_create ()
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x, y, w, h = self.get_allocation ()
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# White background rectangle.
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ctx.set_line_width (0.)
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ctx.rectangle (0, 0, w, h)
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ctx.set_source_rgb (1., 1., 1.)
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ctx.fill ()
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ctx.new_path ()
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if self.params is None:
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return
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first_y, cell_height, data = self.params
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first_ts, last_ts = data[0][0], data[-1][0]
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ts_range = last_ts - first_ts
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if ts_range == 0:
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return
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ctx.set_line_width (1.)
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ctx.set_source_rgb (0., 0., 0.)
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half_height = cell_height // 2 - .5
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quarter_height = cell_height // 4 - .5
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first_y += half_height
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for i, i_data in enumerate (data):
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ts, thread = i_data
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if thread in self.thread_colors:
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ctx.set_source_rgb (*self.thread_colors[thread])
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else:
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self.next_thread_color += 1
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if self.next_thread_color == len (self.theme.colors):
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self.next_thread_color = 0
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color = self.theme.colors[self.next_thread_color][0].float_tuple ()
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self.thread_colors[thread] = color
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ctx.set_source_rgb (*color)
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ts_fraction = float (ts - first_ts) / ts_range
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ts_offset = ts_fraction * h
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row_offset = first_y + i * cell_height
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ctx.move_to (-.5, ts_offset)
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ctx.line_to (half_height, ts_offset)
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ctx.line_to (w - quarter_height, row_offset)
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ctx.stroke ()
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ctx.line_to (w - quarter_height, row_offset)
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ctx.line_to (w + .5, row_offset - half_height)
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ctx.line_to (w + .5, row_offset + half_height)
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ctx.fill ()
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def __handle_size_request (self, self_, req):
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req.width = 64 # FIXME
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def clear (self):
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self.params = None
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self.thread_colors.clear ()
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self.next_thread_color = 0
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self.queue_draw ()
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def update (self, first_y, cell_height, data):
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# FIXME: Ideally we should take the vertical position difference of the
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# view into account (which is 0 with the current UI layout).
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self.params = (first_y, cell_height, data,)
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self.queue_draw ()
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class TimelineWidget (gtk.DrawingArea):
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__gtype_name__ = "GstDebugViewerTimelineWidget"
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def __init__ (self):
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gtk.DrawingArea.__init__ (self)
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self.logger = logging.getLogger ("ui.timeline")
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self.process = UpdateProcess (None, None)
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self.connect ("expose-event", self.__handle_expose_event)
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self.connect ("configure-event", self.__handle_configure_event)
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self.connect ("size-request", self.__handle_size_request)
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self.process.handle_sentinel_progress = self.__handle_sentinel_progress
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self.process.handle_sentinel_finished = self.__handle_sentinel_finished
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self.process.handle_process_finished = self.__handle_process_finished
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self.model = None
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self.__offscreen = None
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self.__position_ts_range = None
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def __handle_sentinel_progress (self, sentinel):
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self.__redraw ()
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def __handle_sentinel_finished (self, sentinel):
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if sentinel == self.process.freq_sentinel:
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self.__redraw ()
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def __handle_process_finished (self):
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self.__redraw ()
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def __ensure_offscreen (self):
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x, y, w, h = self.get_allocation ()
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self.__offscreen = gtk.gdk.Pixmap (self.window, w, h, -1)
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if not self.__offscreen:
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raise ValueError ("could not obtain pixmap")
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def __redraw (self):
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if not self.props.visible:
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return
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self.__ensure_offscreen ()
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self.__draw (self.__offscreen)
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self.__update_from_offscreen ()
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def __update_from_offscreen (self):
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if not self.props.visible:
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return
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if self.__offscreen is None:
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self.__redraw ()
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gc = gtk.gdk.GC (self.window)
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self.window.draw_drawable (gc, self.__offscreen, 0, 0, 0, 0, -1, -1)
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self.__draw_position (self.window)
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def update (self, model):
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self.model = model
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width = self.get_allocation ()[2]
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self.process.abort ()
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if model:
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self.process.freq_sentinel = LineFrequencySentinel (model)
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self.process.dist_sentinel = LevelDistributionSentinel (self.process.freq_sentinel, model)
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self.process.freq_sentinel.run_for (width)
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self.process.run ()
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def clear (self):
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self.process.abort ()
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self.process.freq_sentinel = None
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self.process.dist_sentinel = None
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self.__redraw ()
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def update_position (self, start_ts, end_ts):
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self.__position_ts_range = (start_ts, end_ts,)
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if not self.process.freq_sentinel:
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return
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if not self.process.freq_sentinel.data:
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return
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self.__update_from_offscreen ()
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def find_indicative_time_step (self):
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MINIMUM_PIXEL_STEP = 32
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time_per_pixel = self.process.freq_sentinel.step
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return 32 # FIXME use self.freq_sentinel.step and len (self.process.freq_sentinel.data)
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def __draw (self, drawable):
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ctx = drawable.cairo_create ()
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x, y, w, h = self.get_allocation ()
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# White background rectangle.
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ctx.set_line_width (0.)
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ctx.rectangle (0, 0, w, h)
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ctx.set_source_rgb (1., 1., 1.)
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ctx.fill ()
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ctx.new_path ()
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# Horizontal reference lines.
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ctx.set_line_width (1.)
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ctx.set_source_rgb (.95, .95, .95)
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for i in range (h // 16):
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y = i * 16 - .5
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ctx.move_to (0, y)
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ctx.line_to (w, y)
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ctx.stroke ()
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if self.process.freq_sentinel is None:
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return
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# Vertical reference lines.
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pixel_step = self.find_indicative_time_step ()
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ctx.set_source_rgb (.9, .9, .9)
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for i in range (1, w // pixel_step + 1):
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x = i * pixel_step - .5
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ctx.move_to (x, 0)
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ctx.line_to (x, h)
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ctx.stroke ()
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if not self.process.freq_sentinel.data:
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self.logger.debug ("frequency sentinel has no data yet")
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return
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maximum = max (self.process.freq_sentinel.data)
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ctx.set_source_rgb (0., 0., 0.)
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self.__draw_graph (ctx, w, h, maximum, self.process.freq_sentinel.data)
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if not self.process.dist_sentinel.data:
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self.logger.debug ("level distribution sentinel has no data yet")
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return
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theme = GUI.LevelColorThemeTango ()
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dist_data = self.process.dist_sentinel.data
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def cumulative_level_counts (*levels):
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for level_counts in dist_data:
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yield sum ((level_counts[level] for level in levels))
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level = Data.debug_level_info
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levels_prev = (Data.debug_level_log, Data.debug_level_debug,)
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ctx.set_source_rgb (*(theme.colors_float (level)[1]))
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self.__draw_graph (ctx, w, h, maximum,
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list (cumulative_level_counts (level, *levels_prev)))
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level = Data.debug_level_debug
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levels_prev = (Data.debug_level_log,)
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ctx.set_source_rgb (*(theme.colors_float (level)[1]))
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self.__draw_graph (ctx, w, h, maximum,
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list (cumulative_level_counts (level, *levels_prev)))
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level = Data.debug_level_log
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ctx.set_source_rgb (*(theme.colors_float (level)[1]))
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self.__draw_graph (ctx, w, h, maximum, [counts[level] for counts in dist_data])
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# Draw error and warning triangle indicators:
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for level in (Data.debug_level_warning, Data.debug_level_error,):
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ctx.set_source_rgb (*(theme.colors_float (level)[1]))
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for i, counts in enumerate (dist_data):
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if counts[level] == 0:
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continue
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SIZE = 8
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ctx.move_to (i - SIZE // 2, 0)
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ctx.line_to (i + SIZE // 2, 0)
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ctx.line_to (i, SIZE / 1.41)
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ctx.close_path ()
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ctx.fill ()
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def __draw_graph (self, ctx, w, h, maximum, data):
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if not data:
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return
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from operator import add
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heights = [h * float (d) / maximum for d in data]
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ctx.move_to (0, h)
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for i in range (len (heights)):
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ctx.line_to (i - .5, h - heights[i] + .5)
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ctx.line_to (i, h)
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ctx.close_path ()
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ctx.fill ()
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def __have_position (self):
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if ((self.__position_ts_range is not None) and
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(self.process is not None) and
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(self.process.freq_sentinel is not None) and
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(self.process.freq_sentinel.ts_range is not None)):
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return True
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else:
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return False
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def __draw_position (self, drawable):
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if not self.__have_position ():
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return
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start_ts, end_ts = self.__position_ts_range
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first_ts, last_ts = self.process.freq_sentinel.ts_range
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step = self.process.freq_sentinel.step
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if step == 0:
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return
|
|
|
|
position1 = int (float (start_ts - first_ts) / step)
|
|
position2 = int (float (end_ts - first_ts) / step)
|
|
|
|
ctx = drawable.cairo_create ()
|
|
x, y, w, h = self.get_allocation ()
|
|
|
|
line_width = position2 - position1
|
|
if line_width <= 1:
|
|
ctx.set_source_rgb (1., 0., 0.)
|
|
ctx.set_line_width (1.)
|
|
ctx.move_to (position1 + .5, 0)
|
|
ctx.line_to (position1 + .5, h)
|
|
ctx.stroke ()
|
|
else:
|
|
ctx.set_source_rgba (1., 0., 0., .5)
|
|
ctx.rectangle (position1, 0, line_width, h)
|
|
ctx.fill ()
|
|
|
|
def __handle_expose_event (self, self_, event):
|
|
|
|
if self.__offscreen:
|
|
self.__update_from_offscreen ()
|
|
else:
|
|
self.__redraw ()
|
|
return True
|
|
|
|
def __handle_configure_event (self, self_, event):
|
|
|
|
self.logger.debug ("widget size configured to %ix%i",
|
|
event.width, event.height)
|
|
|
|
if event.width < 16:
|
|
return False
|
|
|
|
self.update (self.model)
|
|
|
|
return False
|
|
|
|
def __handle_size_request (self, self_, req):
|
|
|
|
# FIXME:
|
|
req.height = 64
|
|
|
|
class TimelineState (Common.GUI.StateSection):
|
|
|
|
_name = "timeline"
|
|
|
|
shown = Common.GUI.StateBool ("shown", default = True)
|
|
|
|
class TimelineFeature (FeatureBase):
|
|
|
|
def __init__ (self, app):
|
|
|
|
self.logger = logging.getLogger ("ui.timeline")
|
|
|
|
self.action_group = gtk.ActionGroup ("TimelineActions")
|
|
self.action_group.add_toggle_actions ([("show-timeline",
|
|
None, _("_Timeline"),)])
|
|
|
|
self.state = app.state.sections[TimelineState._name]
|
|
|
|
def handle_attach_window (self, window):
|
|
|
|
self.log_view = window.log_view
|
|
|
|
ui = window.ui_manager
|
|
|
|
ui.insert_action_group (self.action_group, 0)
|
|
|
|
self.merge_id = ui.new_merge_id ()
|
|
ui.add_ui (self.merge_id, "/menubar/ViewMenu/ViewMenuAdditions",
|
|
"ViewTimeline", "show-timeline",
|
|
gtk.UI_MANAGER_MENUITEM, False)
|
|
|
|
ui.add_ui (self.merge_id, "/", "TimelineContextMenu", None,
|
|
gtk.UI_MANAGER_POPUP, False)
|
|
# TODO: Makes sense to have these here too, but we need to add logic to
|
|
# the actions to associate the correct line with the activation.
|
|
## ui.add_ui (self.merge_id, "/TimelineContextMenu", "TimelineHideLinesBefore",
|
|
## "hide-before-line", gtk.UI_MANAGER_MENUITEM, False)
|
|
## ui.add_ui (self.merge_id, "/TimelineContextMenu", "TimelineHideLinesAfter",
|
|
## "hide-after-line", gtk.UI_MANAGER_MENUITEM, False)
|
|
ui.add_ui (self.merge_id, "/TimelineContextMenu", "TimelineShowHiddenLines",
|
|
"show-hidden-lines", gtk.UI_MANAGER_MENUITEM, False)
|
|
|
|
self.popup = ui.get_widget ("/TimelineContextMenu")
|
|
|
|
box = window.get_top_attach_point ()
|
|
|
|
self.timeline = TimelineWidget ()
|
|
self.timeline.add_events (gtk.gdk.ALL_EVENTS_MASK) # FIXME
|
|
self.timeline.connect ("button-press-event", self.handle_timeline_button_press_event)
|
|
self.timeline.connect ("motion-notify-event", self.handle_timeline_motion_notify_event)
|
|
box.pack_start (self.timeline, False, False, 0)
|
|
self.timeline.hide ()
|
|
|
|
box = window.get_side_attach_point ()
|
|
|
|
self.vtimeline = VerticalTimelineWidget ()
|
|
box.pack_start (self.vtimeline, False, False, 0)
|
|
self.vtimeline.hide ()
|
|
|
|
window.widgets.log_view_scrolled_window.props.vadjustment.connect ("value-changed",
|
|
self.handle_log_view_adjustment_value_changed)
|
|
|
|
handler = self.handle_show_action_toggled
|
|
action = self.action_group.get_action ("show-timeline")
|
|
action.connect ("toggled", handler)
|
|
action.props.active = self.state.shown
|
|
|
|
handler = self.handle_log_view_notify_model
|
|
self.notify_model_id = self.log_view.connect ("notify::model", handler)
|
|
|
|
def handle_detach_window (self, window):
|
|
|
|
self.log_view.disconnect (self.notify_model_id)
|
|
self.log_view = None
|
|
|
|
window.ui_manager.remove_ui (self.merge_id)
|
|
self.merge_id = None
|
|
|
|
window.ui_manager.remove_action_group (self.action_group)
|
|
|
|
self.timeline.destroy ()
|
|
self.timeline = None
|
|
|
|
def handle_attach_log_file (self, window, log_file):
|
|
|
|
pass
|
|
|
|
def handle_detach_log_file (self, window, log_file):
|
|
|
|
self.timeline.clear ()
|
|
self.vtimeline.clear ()
|
|
|
|
def handle_log_view_notify_model (self, view, gparam):
|
|
|
|
model = view.props.model
|
|
|
|
if model is None:
|
|
self.timeline.clear ()
|
|
self.vtimeline.clear ()
|
|
return
|
|
|
|
self.timeline.update (model)
|
|
|
|
# Need to dispatch these idly with a low priority to avoid triggering a
|
|
# warning in treeview.get_visible_range:
|
|
def idle_update ():
|
|
self.update_timeline_position ()
|
|
self.update_vtimeline ()
|
|
return False
|
|
gobject.idle_add (idle_update, priority = gobject.PRIORITY_LOW)
|
|
|
|
def update_timeline_position (self):
|
|
|
|
model = self.log_view.props.model
|
|
visible_range = self.log_view.get_visible_range ()
|
|
if visible_range is None:
|
|
return
|
|
start_path, end_path = visible_range
|
|
ts1 = model.get_value (model.get_iter (start_path),
|
|
model.COL_TIME)
|
|
ts2 = model.get_value (model.get_iter (end_path),
|
|
model.COL_TIME)
|
|
|
|
self.timeline.update_position (ts1, ts2)
|
|
|
|
def handle_log_view_adjustment_value_changed (self, adj):
|
|
|
|
# FIXME: If not visible, disconnect this handler!
|
|
if not self.timeline.props.visible:
|
|
return
|
|
|
|
self.update_timeline_position ()
|
|
self.update_vtimeline ()
|
|
|
|
def update_vtimeline (self):
|
|
|
|
model = self.log_view.props.model
|
|
visible_range = self.log_view.get_visible_range ()
|
|
if visible_range is None:
|
|
return
|
|
start_path, end_path = visible_range
|
|
|
|
if not start_path or not end_path:
|
|
return
|
|
|
|
column = self.log_view.get_column (0)
|
|
bg_rect = self.log_view.get_background_area (start_path, column)
|
|
cell_height = bg_rect.height
|
|
cell_rect = self.log_view.get_cell_area (start_path, column)
|
|
try:
|
|
first_y = self.log_view.convert_bin_window_to_widget_coords (cell_rect.x, cell_rect.y)[1]
|
|
except (AttributeError, SystemError,):
|
|
# AttributeError is with PyGTK before 2.12. SystemError is raised
|
|
# with PyGTK 2.12.0, pygtk bug #479012.
|
|
first_y = cell_rect.y % cell_height
|
|
if not hasattr (self, "_warn_tree_view_coords"):
|
|
self.logger.warning ("tree view coordinate conversion method "
|
|
"not available, using aproximate offset")
|
|
# Only warn once:
|
|
self._warn_tree_view_coords = True
|
|
|
|
data = []
|
|
tree_iter = model.get_iter (start_path)
|
|
while model.get_path (tree_iter) != end_path:
|
|
data.append (model.get (tree_iter, model.COL_TIME, model.COL_THREAD))
|
|
tree_iter = model.iter_next (tree_iter)
|
|
|
|
self.vtimeline.update (first_y, cell_height, data)
|
|
|
|
def handle_show_action_toggled (self, action):
|
|
|
|
show = action.props.active
|
|
|
|
if show:
|
|
self.timeline.show ()
|
|
self.vtimeline.show ()
|
|
self.state.shown = True
|
|
else:
|
|
self.timeline.hide ()
|
|
self.vtimeline.hide ()
|
|
self.state.shown = False
|
|
|
|
def handle_timeline_button_press_event (self, widget, event):
|
|
|
|
if event.button == 3:
|
|
self.popup.popup (None, None, None, event.button, event.get_time ())
|
|
return True
|
|
|
|
if event.button != 1:
|
|
return True
|
|
|
|
pos = int (event.x)
|
|
self.goto_time_position (pos)
|
|
return False
|
|
|
|
def handle_timeline_motion_notify_event (self, widget, event):
|
|
|
|
if not event.state & gtk.gdk.BUTTON1_MASK:
|
|
return True
|
|
|
|
pos = int (event.x)
|
|
self.goto_time_position (pos)
|
|
return False
|
|
|
|
def goto_time_position (self, pos):
|
|
|
|
if not self.timeline.process.freq_sentinel:
|
|
return True
|
|
|
|
data = self.timeline.process.freq_sentinel.data
|
|
if not data:
|
|
return True
|
|
|
|
if pos < 0:
|
|
pos = 0
|
|
elif pos >= len (data):
|
|
pos = len (data) - 1
|
|
|
|
count = sum (data[:pos + 1])
|
|
|
|
model = self.log_view.props.model
|
|
row = model[count]
|
|
path = (count,)
|
|
self.log_view.scroll_to_cell (path, use_align = True, row_align = .5)
|
|
sel = self.log_view.get_selection ()
|
|
sel.select_path (path)
|
|
|
|
return False
|
|
|
|
class Plugin (PluginBase):
|
|
|
|
features = [TimelineFeature]
|
|
|
|
def __init__ (self, app):
|
|
|
|
app.state.add_section_class (TimelineState)
|
|
self.state = app.state.sections[TimelineState._name]
|