validate:scenario: Add a way to ignore EOS

And ignore then in seek_forward/backward to avoid cases where the pipeline EOS
before we have the chance to launch the following seek, see:

https://ci.gstreamer.net/job/GStreamer-master-meson-validate/3483/testReport/junit/(root)/gst-validate-launcher/validate_rtsp_playback_seek_backward_raw_h264_1_mp4/

validate/data/scenarios/change_state_intensive.scenario

@@ -1,3 +1,3 @@
-description, duration=0, summary="Set state to NULL->PLAYING->NULL 20 times", need-clock-sync=true, min-media-duration=1.0, live_content_compatible=True, handles-states=true
+description, duration=0, summary="Set state to NULL->PLAYING->NULL 20 times", need-clock-sync=true, min-media-duration=1.0, live_content_compatible=True, handles-states=true, ignore-eos=true
 set-state, state="playing", sub-action="set-state, state=null", repeat=40
 stop;

validate/data/scenarios/fast_backward.scenario

@@ -1,7 +1,9 @@
-description, duration=30.0, minfo-media-duration=310.0, seek=true, reverse-playback=true, need-clock-sync=true, min-media-duration=310.0
+description, duration=30.0, minfo-media-duration=310.0, seek=true, reverse-playback=true, need-clock-sync=true, min-media-duration=310.0, ignore-eos=true
 include,location=includes/default-seek-flags.scenario
 seek, name=Fast-backward-seek, playback-time=0.0,   rate=-2.0,  start=0.0, stop=310.0, flags="$(default_flags)"
 seek, name=Fast-backward-seek, playback-time=300.0, rate=-4.0,  start=0.0, stop=300.0, flags="$(default_flags)"
 seek, name=Fast-backward-seek, playback-time=280.0, rate=-8.0,  start=0.0, stop=280.0, flags="$(default_flags)"
 seek, name=Fast-backward-seek, playback-time=240.0, rate=-16.0, start=0.0, stop=240.0, flags="$(default_flags)"
 seek, name=Fast-backward-seek, playback-time=160.0, rate=-32.0, start=0.0, stop=160.0, flags="$(default_flags)"
+wait, message-type=eos
+stop

validate/data/scenarios/fast_forward.scenario

@@ -1,8 +1,9 @@
-description, duration=25.0, seek=true, need-clock-sync=true, min-media-duration=5.0
+description, duration=25.0, seek=true, need-clock-sync=true, min-media-duration=5.0, ignore-eos=true
 include,location=includes/default-seek-flags.scenario
 seek, name=Fast-forward-seek, playback-time=0.0, rate=2.0,  start=0.0, flags="$(default_flags)"
 seek, name=Fast-forward-seek, playback-time="min(10.0, $(duration) * 0.0625)", rate=4.0,  start=0.0, flags="$(default_flags)"
 seek, name=Fast-forward-seek, playback-time="min(20.0, $(duration) * 0.125)", rate=8.0,  start=0.0, flags="$(default_flags)"
 seek, name=Fast-forward-seek, playback-time="min(40.0, $(duration) * 0.25)", rate=16.0, start=0.0, flags="$(default_flags)"
 seek, name=Fast-forward-seek, playback-time="min(80.0, $(duration) * 0.50)", rate=32.0, start=0.0, flags="$(default_flags)"
-stop, playback-time="min($(duration) - 0.3, 160.0)"
+wait, message-type=eos
+stop

validate/data/scenarios/seek_backward.scenario

@@ -1,4 +1,4 @@
-description, seek=true, duration=30, need-clock-sync=true
+description, seek=true, duration=30, need-clock-sync=true, ignore-eos=true
 include,location=includes/default-seek-flags.scenario
 seek, name=Backward-seek, playback-time="min(5.0, ($(duration) / 4))", rate=1.0, start=0.0, flags="$(default_flags)"
 seek, name=Backward-seek, playback-time="min(10.0, 2*($(duration) / 4))", rate=1.0, start="min(5.0, $(duration) / 4)", flags="$(default_flags)"

validate/data/scenarios/seek_forward.scenario

@@ -1,6 +1,6 @@
-description, seek=true, duration=20, need-clock-sync=true
+description, seek=true, duration=20, need-clock-sync=true, ignore-eos=true
 include,location=includes/default-seek-flags.scenario
 seek, name=First-forward-seek, playback-time="min(5.0, ($(duration)/8))", start="min(10, 2*($(duration)/8))", flags="$(default_flags)"
 seek, name=Second-forward-seek, playback-time="min(15.0, 3*($(duration)/8))", start="min(20, 4*($(duration)/8))", flags="$(default_flags)"
 seek, name=Third-forward-seek, playback-time="min(25, 5*($(duration)/8))", start="min(30.0, 6*($(duration)/8))", flags="$(default_flags)"
-stop, playback-time=35.0
+stop, playback-time="min($(duration) - 1, 35)"

validate/gst/validate/gst-validate-scenario.c

@@ -158,6 +158,7 @@ struct _GstValidateScenarioPrivate
   gboolean got_eos;
   gboolean changing_state;
   gboolean needs_async_done;
+  gboolean ignore_eos;
   GstState target_state;
 
   GList *overrides;
@@ -3135,6 +3136,11 @@ message_cb (GstBus * bus, GstMessage * message, GstValidateScenario * scenario)
       GstValidateActionType *stop_action_type;
       GstStructure *s;
 
+      if (!is_error && scenario->priv->ignore_eos) {
+        GST_INFO_OBJECT (scenario, "Got EOS but ignoring it!");
+        goto done;
+      }
+
       GST_VALIDATE_SCENARIO_EOS_HANDLING_LOCK (scenario);
       {
         /* gst_validate_action_set_done() does not finish the action
@@ -3376,6 +3382,7 @@ _load_scenario_file (GstValidateScenario * scenario,
       gst_structure_get_boolean (structure, "is-config", is_config);
       gst_structure_get_boolean (structure, "handles-states",
           &priv->handles_state);
+      gst_structure_get_boolean (structure, "ignore-eos", &priv->ignore_eos);
 
       if (!priv->handles_state)
         priv->target_state = GST_STATE_PLAYING;
@@ -4733,6 +4740,15 @@ init_scenarios (void)
         .possible_variables = NULL,
         .def = "infinite (-1)"
       },
+      {
+        .name = "ignore-eos",
+        .description = "Ignore EOS and keep executing the scenario when it happens.\n By default "
+          "a 'stop' action is generated one EOS",
+        .mandatory = FALSE,
+        .types = "boolean",
+        .possible_variables = NULL,
+        .def = "false"
+      },
       {NULL}
       }),
       "Allows to describe the scenario in various ways",