validate:launcher: Implement a FakeMediaDescriptor

This allows us to more cleanly implement Simple pipeline test
generation

https://bugzilla.gnome.org/show_bug.cgi?id=743994

validate/launcher/apps/gstvalidate.py

@@ -27,7 +27,7 @@ from launcher.loggable import Loggable
 from launcher.baseclasses import GstValidateTest, Test, \
     ScenarioManager, NamedDic, GstValidateTestsGenerator, \
     GstValidateMediaDescriptor, GstValidateEncodingTestInterface, \
-    GstValidateBaseTestManager
+    GstValidateBaseTestManager, MediaDescriptor
 
 from launcher.utils import path2url, DEFAULT_TIMEOUT, which, \
     GST_SECOND, Result, Protocols, mkdir, printc, Colors
@@ -108,6 +108,44 @@ class GstValidateTranscodingTestsGenerator(GstValidateTestsGenerator):
                                                          mediainfo.media_descriptor))
 
 
+class FakeMediaDescriptor(MediaDescriptor):
+    def __init__(self, infos, pipeline_desc):
+        MediaDescriptor.__init__(self)
+        self._infos = infos
+        self._pipeline_desc = pipeline_desc
+
+    def get_path(self):
+        return self._infos.get('path', None)
+
+    def get_media_filepath(self):
+        return self._infos.get('media-filepath', None)
+
+    def get_caps(self):
+        return self._infos.get('caps', None)
+
+    def get_uri(self):
+        return self._infos.get('uri', None)
+
+    def get_duration(self):
+        return int(self._infos.get('duration', 0)) * GST_SECOND
+
+    def get_protocol(self):
+        return self._infos.get('protocol', "launch_pipeline")
+
+    def is_seekable(self):
+        return self._infos.get('is-seekable', True)
+
+    def is_image(self):
+        return self._infos.get('is-image', False)
+
+    def get_num_tracks(self, track_type):
+        return self._infos.get('num-%s-tracks' % track_type,
+                               self._pipeline_desc.count(track_type + "sink"))
+
+    def can_play_reverse(self):
+        return self._infos.get('plays-reverse', False)
+
+
 class GstValidatePipelineTestsGenerator(GstValidateTestsGenerator):
 
     def __init__(self, name, test_manager, pipeline_template=None,
@@ -163,10 +201,17 @@ class GstValidatePipelineTestsGenerator(GstValidateTestsGenerator):
             else:
                 extra_datas = {}
 
-            for scenario_name in extra_datas.get('scenarios', scenarios):
+            for scenario in extra_datas.get('scenarios', scenarios):
+                if isinstance(scenario, str):
+                    scenario = self.test_manager.scenarios_manager.get_scenario(scenario)
+
+                mediainfo = FakeMediaDescriptor(extra_datas, pipeline)
+                if not mediainfo.is_compatible(scenario):
+                    continue
+
                 if self.test_manager.options.mute:
                     if scenario and scenario.needs_clock_sync():
-                        fakesink = "'fakesink sync=true'"
+                        fakesink = "fakesink sync=true"
                     else:
                         fakesink = "fakesink"
 
@@ -175,23 +220,17 @@ class GstValidatePipelineTestsGenerator(GstValidateTestsGenerator):
                     audiosink = 'autoaudiosink'
                     videosink = 'autovideosink'
 
-                pipeline = pipeline % {'videosink': videosink,
+                pipeline_desc = pipeline % {'videosink': videosink,
                                        'audiosink': audiosink}
 
-                if scenario_name:
-                    scenario = self.test_manager.scenarios_manager.get_scenario(scenario_name)
-                else:
-                    scenario = None
+                fname = self.get_fname(scenario, protocol=mediainfo.get_protocol(), name=name)
 
-                fname = self.get_fname(scenario, name=name)
                 self.add_test(GstValidateLaunchTest(fname,
                                                     self.test_manager.options,
                                                     self.test_manager.reporter,
-                                                    pipeline,
+                                                    pipeline_desc,
                                                     scenario=scenario,
-                                                    duration=extra_datas.get('duration', 0),
-                                                    timeout=extra_datas.get('timeout', DEFAULT_TIMEOUT),
-                                                    hard_timeout=extra_datas.get('hard_timeout', None))
+                                                    media_descriptor=mediainfo)
                               )
 
 
@@ -346,7 +385,7 @@ class GstValidateLaunchTest(GstValidateTest):
     def build_arguments(self):
         GstValidateTest.build_arguments(self)
         self.add_arguments(self.pipeline_desc)
-        if self.media_descriptor is not None:
+        if self.media_descriptor is not None and self.media_descriptor.get_path():
             self.add_arguments(
                 "--set-media-info", self.media_descriptor.get_path())
 

validate/launcher/baseclasses.py

@@ -1349,7 +1349,13 @@ class MediaDescriptor(Loggable):
     def get_num_tracks(self, track_type):
         raise NotImplemented
 
+    def can_play_reverse(self):
+        raise NotImplemented
+
     def is_compatible(self, scenario):
+        if scenario is None:
+            return True
+
         if scenario.seeks() and (not self.is_seekable() or self.is_image()):
             self.debug("Do not run %s as %s does not support seeking",
                        scenario, self.get_uri())
@@ -1360,6 +1366,9 @@ class MediaDescriptor(Loggable):
                        scenario, self.get_uri())
             return False
 
+        if not self.can_play_reverse() and scenario.does_reverse_playback():
+            return False
+
         if self.get_duration() / GST_SECOND < scenario.get_min_media_duration():
             self.debug(
                 "Do not run %s as %s is too short (%i < min media duation : %i",
@@ -1471,6 +1480,9 @@ class GstValidateMediaDescriptor(MediaDescriptor):
     def is_seekable(self):
         return self.media_xml.attrib["seekable"]
 
+    def can_play_reverse(self):
+        return True
+
     def is_image(self):
         for stream in self.media_xml.findall("streams")[0].findall("stream"):
             if stream.attrib["type"] == "image":