--- /dev/null
+/* GStreamer
+ * Copyright (C) 2013 Thibault Saunier <thibault.saunier@collabora.com>
+ *
+ * gst-qa-scenario.c - QA Scenario class
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/gst.h>
+#include "gst-qa-scenario.h"
+#include <gio/gio.h>
+#include <string.h>
+
+#define GST_QA_SCENARIO_GET_PRIVATE(o) \
+ (G_TYPE_INSTANCE_GET_PRIVATE ((o), GST_TYPE_QA_SCENARIO, GstQaScenarioPrivate))
+
+#define GST_QA_SCENARIO_SUFFIX ".xml"
+#define GST_QA_SCERNARIO_DIRECTORY "qa-scenario"
+
+GST_DEBUG_CATEGORY_STATIC (gst_qa_scenario);
+#define GST_CAT_DEFAULT gst_qa_scenario
+
+
+#define DEFAULT_SEEK_TOLERANCE (0.05 * GST_SECOND) /* tolerance seek interval
+ TODO make it overridable */
+
+static void gst_qa_scenario_class_init (GstQaScenarioClass * klass);
+static void gst_qa_scenario_init (GstQaScenario * scenario);
+static void gst_qa_scenario_dispose (GObject * object);
+static void gst_qa_scenario_finalize (GObject * object);
+
+G_DEFINE_TYPE (GstQaScenario, gst_qa_scenario, G_TYPE_OBJECT);
+
+typedef struct _SeekInfo
+{
+ gchar *name;
+ GstClockTime seeking_time;
+ gdouble rate;
+ GstFormat format;
+ GstSeekFlags flags;
+ GstSeekType start_type;
+ GstClockTime start;
+ GstSeekType stop_type;
+ GstClockTime stop;
+
+} SeekInfo;
+
+struct _GstQaScenarioPrivate
+{
+ GList *seeks;
+
+ GstElement *pipeline;
+};
+
+/* Some helper method that are missing iin Json itscenario */
+static guint
+get_flags_from_string (GType type, const gchar * str_flags)
+{
+ guint i;
+ gint flags = 0;
+ GFlagsClass *class = g_type_class_ref (type);
+
+ for (i = 0; i < class->n_values; i++) {
+ if (g_strrstr (str_flags, class->values[i].value_nick)) {
+ flags |= class->values[i].value;
+ }
+ }
+ g_type_class_unref (class);
+
+ return flags;
+}
+
+static void
+get_enum_from_string (GType type, const gchar * str_enum, guint * enum_value)
+{
+ guint i;
+ GEnumClass *class = g_type_class_ref (type);
+
+ for (i = 0; i < class->n_values; i++) {
+ if (g_strrstr (str_enum, class->values[i].value_nick)) {
+ *enum_value = class->values[i].value;
+ break;
+ }
+ }
+
+ g_type_class_unref (class);
+}
+
+static SeekInfo *
+_new_seek_info (void)
+{
+ SeekInfo *info = g_slice_new (SeekInfo);
+
+ info->rate = 1.0;
+ info->format = GST_FORMAT_TIME;
+ info->start_type = GST_SEEK_TYPE_SET;
+ info->stop_type = GST_SEEK_TYPE_SET;
+ info->flags = GST_SEEK_FLAG_ACCURATE | GST_SEEK_FLAG_FLUSH;
+ info->seeking_time = GST_SECOND;
+ info->start = 0;
+ info->stop = GST_CLOCK_TIME_NONE;
+
+ return info;
+}
+
+static void
+_free_seek_info (SeekInfo * info)
+{
+ g_slice_free (SeekInfo, info);
+}
+
+static inline void
+_parse_seek (GMarkupParseContext * context, const gchar * element_name,
+ const gchar ** attribute_names, const gchar ** attribute_values,
+ GstQaScenario * scenario, GError ** error)
+{
+ GstQaScenarioPrivate *priv = scenario->priv;
+ const char *seeking_time, *format, *rate, *flags, *start_type, *start,
+ *stop_type, *stop;
+
+ SeekInfo *info = _new_seek_info ();
+
+ if (!g_markup_collect_attributes (element_name, attribute_names,
+ attribute_values, error,
+ G_MARKUP_COLLECT_STRDUP, "name", &info->name,
+ G_MARKUP_COLLECT_STRING, "seeking_time", &seeking_time,
+ G_MARKUP_COLLECT_STRING, "format", &format,
+ G_MARKUP_COLLECT_STRING, "rate", &rate,
+ G_MARKUP_COLLECT_STRING, "flags", &flags,
+ G_MARKUP_COLLECT_STRING, "start_type", &start_type,
+ G_MARKUP_COLLECT_STRING, "start", &start,
+ G_MARKUP_COLLECT_STRING, "stop_type", &stop_type,
+ G_MARKUP_COLLECT_STRING, "stop", &stop, G_MARKUP_COLLECT_INVALID))
+ return;
+
+ get_enum_from_string (GST_TYPE_FORMAT, format, &info->format);
+
+ info->rate = g_ascii_strtoull (rate, NULL, 10);
+ info->flags = get_flags_from_string (GST_TYPE_SEEK_FLAGS, flags);
+ info->seeking_time = g_ascii_strtoull (seeking_time, NULL, 10);
+ get_enum_from_string (GST_TYPE_SEEK_TYPE, start_type, &info->start_type);
+ info->start = g_ascii_strtoull (start, NULL, 10);
+ get_enum_from_string (GST_TYPE_SEEK_TYPE, stop_type, &info->stop_type);
+ info->stop = g_ascii_strtoull (stop, NULL, 10);
+
+ priv->seeks = g_list_append (priv->seeks, info);
+}
+
+static void
+_parse_element_start (GMarkupParseContext * context, const gchar * element_name,
+ const gchar ** attribute_names, const gchar ** attribute_values,
+ gpointer scenario, GError ** error)
+{
+ if (g_strcmp0 (element_name, "seek") == 0) {
+ _parse_seek (context, element_name, attribute_names,
+ attribute_values, scenario, error);
+ }
+}
+
+static gboolean
+get_position (GstQaScenario * scenario)
+{
+ GList *tmp;
+ gint64 position;
+ GstFormat format = GST_FORMAT_TIME;
+ GstQaScenarioPrivate *priv = scenario->priv;
+ GstElement *pipeline = scenario->priv->pipeline;
+
+ gst_element_query_position (pipeline, &format, &position);
+
+ tmp = scenario->priv->seeks;
+ GST_DEBUG ("Current position: %" GST_TIME_FORMAT, GST_TIME_ARGS (position));
+ while (tmp) {
+ SeekInfo *seek = tmp->data;
+ if ((position >= (seek->seeking_time - DEFAULT_SEEK_TOLERANCE))
+ && (position <= (seek->seeking_time + DEFAULT_SEEK_TOLERANCE))) {
+
+ GST_LOG ("seeking to: %" GST_TIME_FORMAT " stop: %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (seek->start), GST_TIME_ARGS (seek->stop));
+
+ if (gst_element_seek (pipeline, seek->rate,
+ seek->format, seek->flags,
+ seek->start_type, seek->start,
+ seek->stop_type, seek->stop) == FALSE)
+ GST_ERROR ("FIXME, make it possible to report from the scenario");
+
+ priv->seeks = g_list_remove_link (priv->seeks, tmp);
+ g_slice_free (SeekInfo, seek);
+ g_list_free (tmp);
+ break;
+ }
+ tmp = tmp->next;
+ }
+ return TRUE;
+}
+
+static gboolean
+_load_scenario_file (GstQaScenario * scenario, const gchar * scenario_file)
+{
+ gsize xmlsize;
+ GFile *file = NULL;
+ GError *err = NULL;
+ gboolean ret = TRUE;
+ gchar *xmlcontent = NULL;
+ GMarkupParseContext *parsecontext = NULL;
+ GstQaScenarioClass *self_class = GST_QA_SCENARIO_GET_CLASS (scenario);
+ gchar *uri = gst_filename_to_uri (scenario_file, &err);
+
+ if (uri == NULL)
+ goto failed;
+
+ GST_DEBUG ("Trying to load %s", scenario_file);
+ if ((file = g_file_new_for_path (scenario_file)) == NULL)
+ goto wrong_uri;
+
+ /* TODO Handle GCancellable */
+ if (!g_file_load_contents (file, NULL, &xmlcontent, &xmlsize, NULL, &err))
+ goto failed;
+
+ if (g_strcmp0 (xmlcontent, "") == 0)
+ goto failed;
+
+ parsecontext = g_markup_parse_context_new (&self_class->content_parser,
+ G_MARKUP_TREAT_CDATA_AS_TEXT, scenario, NULL);
+
+ if (g_markup_parse_context_parse (parsecontext, xmlcontent, xmlsize,
+ &err) == FALSE)
+ goto failed;
+
+done:
+ if (xmlcontent)
+ g_free (xmlcontent);
+
+ if (file)
+ gst_object_unref (file);
+
+ if (parsecontext) {
+ g_markup_parse_context_free (parsecontext);
+ parsecontext = NULL;
+ }
+
+ return ret;
+
+wrong_uri:
+ GST_WARNING ("%s wrong uri", scenario_file);
+
+ ret = FALSE;
+ goto done;
+
+failed:
+ ret = FALSE;
+ goto done;
+}
+
+gboolean
+gst_qa_scenario_load (GstQaScenario * scenario, const gchar * scenario_name)
+{
+ gboolean ret = TRUE;
+ gchar *lfilename = NULL, *tldir = NULL;
+
+ if (!scenario_name)
+ goto invalid_name;
+
+ lfilename = g_strdup_printf ("%s" GST_QA_SCENARIO_SUFFIX, scenario_name);
+
+ /* Try from local profiles */
+ tldir =
+ g_build_filename (g_get_user_data_dir (), "gstreamer-" GST_API_VERSION,
+ GST_QA_SCERNARIO_DIRECTORY, lfilename, NULL);
+
+ if (!(ret = _load_scenario_file (scenario, tldir))) {
+ g_free (tldir);
+ /* Try from system-wide profiles */
+ tldir = g_build_filename (GST_DATADIR, "gstreamer-" GST_API_VERSION,
+ GST_QA_SCERNARIO_DIRECTORY, lfilename, NULL);
+ ret = _load_scenario_file (scenario, tldir);
+ }
+
+ /* Hack to make it work uninstalled */
+ if (ret == FALSE) {
+ g_free (tldir);
+
+ tldir = g_build_filename ("data/", lfilename, NULL);
+ ret = _load_scenario_file (scenario, tldir);
+ }
+
+done:
+ if (tldir)
+ g_free (tldir);
+ if (lfilename)
+ g_free (lfilename);
+
+ return ret;
+
+invalid_name:
+ {
+ GST_ERROR ("Invalid name for encoding target : '%s'", scenario_name);
+ ret = FALSE;
+ goto done;
+ }
+}
+
+static void
+gst_qa_scenario_class_init (GstQaScenarioClass * klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ GST_DEBUG_CATEGORY_INIT (gst_qa_scenario, "gstqascenario",
+ GST_DEBUG_FG_MAGENTA, "gst qa scenario");
+
+ g_type_class_add_private (klass, sizeof (GstQaScenarioPrivate));
+
+ object_class->dispose = gst_qa_scenario_dispose;
+ object_class->finalize = gst_qa_scenario_finalize;
+
+ klass->content_parser.start_element = _parse_element_start;
+}
+
+static void
+gst_qa_scenario_init (GstQaScenario * scenario)
+{
+ scenario->priv = GST_QA_SCENARIO_GET_PRIVATE (scenario);
+}
+
+static void
+gst_qa_scenario_dispose (GObject * object)
+{
+ GstQaScenarioPrivate *priv = GST_QA_SCENARIO (object)->priv;
+
+ gst_object_unref (priv->pipeline);
+ g_list_free_full (priv->seeks, (GDestroyNotify) _free_seek_info);
+
+ G_OBJECT_CLASS (gst_qa_scenario_parent_class)->dispose (object);
+}
+
+static void
+gst_qa_scenario_finalize (GObject * object)
+{
+ G_OBJECT_CLASS (gst_qa_scenario_parent_class)->finalize (object);
+}
+
+GstQaScenario *
+gst_qa_scenario_factory_create (GstElement * pipeline,
+ const gchar * scenario_name)
+{
+ GstQaScenario *scenario = g_object_new (GST_TYPE_QA_SCENARIO, NULL);
+
+ GST_LOG ("Creating scenario %s", scenario_name);
+ if (!gst_qa_scenario_load (scenario, scenario_name)) {
+ g_object_unref (scenario);
+
+ return NULL;
+ }
+
+ scenario->priv->pipeline = gst_object_ref (pipeline);
+ g_timeout_add (50, (GSourceFunc) get_position, scenario);
+
+ g_print ("\n=========================================\n"
+ "Running scenario %s on pipeline %s"
+ "\n=========================================\n", scenario_name,
+ GST_OBJECT_NAME (pipeline));
+
+ return scenario;
+}