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ges:structured-interface: Use GET_AND_CHECK in more places

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Summary:
Giving more details about the issue to the user

Depends on D151

Reviewers: Mathieu_Du

Differential Revision: http://phabricator.freedesktop.org/D176
This commit is contained in:
Thibault Saunier 2015-05-14 11:10:15 +02:00
parent 8558a03272
commit 2ddab4db57
1 changed files with 54 additions and 28 deletions
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82
ges/ges-structured-interface.c
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@ -25,6 +25,52 @@
#define LAST_CONTAINER_QDATA g_quark_from_string("ges-structured-last-container")
#define LAST_CHILD_QDATA g_quark_from_string("ges-structured-last-child")
static gboolean
_get_clocktime (GstStructure * structure, const gchar * name, gpointer var)
{
gboolean found = FALSE;
GstClockTime *val = (GstClockTime *) var;
const GValue *gvalue = gst_structure_get_value (structure, name);
if (gvalue) {
if (G_VALUE_TYPE (gvalue) == GST_TYPE_CLOCK_TIME) {
*val = (GstClockTime) g_value_get_uint64 (gvalue);
found = TRUE;
} else if (G_VALUE_TYPE (gvalue) == G_TYPE_DOUBLE) {
*val = (GstClockTime) g_value_get_double (gvalue) * GST_SECOND;
found = TRUE;
}
}
return found;
}
#define GET_AND_CHECK(name,type,var,label) G_STMT_START {\
gboolean found = FALSE; \
\
if (type == GST_TYPE_CLOCK_TIME) {\
found = _get_clocktime(structure,name,var);\
}\
else { \
found = gst_structure_get (structure, name, type, var, NULL); \
}\
if (!found) {\
gchar *struct_str = gst_structure_to_string (structure); \
*error = g_error_new (GES_ERROR, 0, \
"Could not get the mandatory field '%s'" \
" fields in %s", name, struct_str); \
g_free (struct_str); \
goto label;\
} \
} G_STMT_END
#define TRY_GET(name,type,var,def) G_STMT_START {\
if (!gst_structure_get (structure, name, type, var, NULL)) {\
*var = def; \
} \
} G_STMT_END
typedef struct
{
const gchar **fields;
@ -107,16 +153,10 @@ _ges_add_remove_keyframe_from_struct (GESTimeline * timeline,
if (!_check_fields (structure, fields_error, error))
return FALSE;
if (!gst_structure_get (structure,
"element-name", G_TYPE_STRING, &element_name,
"property-name", G_TYPE_STRING, &property_name,
"value", G_TYPE_DOUBLE, &value,
"timestamp", GST_TYPE_CLOCK_TIME, &timestamp, NULL)) {
*error = g_error_new (GES_ERROR, 0, "Could not get one of the mandatory"
" fields in %s", gst_structure_get_name (structure));
goto done;
}
GET_AND_CHECK ("element-name", G_TYPE_STRING, &element_name, done);
GET_AND_CHECK ("property-name", G_TYPE_STRING, &property_name, done);
GET_AND_CHECK ("value", G_TYPE_DOUBLE, &value, done);
GET_AND_CHECK ("timestamp", GST_TYPE_CLOCK_TIME, &timestamp, done);
element =
GES_TRACK_ELEMENT (ges_timeline_get_element (timeline, element_name));
@ -235,20 +275,6 @@ done:
return layer;
}
#define GET_AND_CHECK(name,type,var) G_STMT_START {\
if (!gst_structure_get (structure, name, type, var, NULL)) {\
*error = g_error_new (GES_ERROR, 0, "Could not get mandatory field: %s in %s",\
name, gst_structure_get_name (structure)); \
goto beach;\
} \
} G_STMT_END
#define TRY_GET(name,type,var,def) G_STMT_START {\
if (!gst_structure_get (structure, name, type, var, NULL)) {\
*var = def; \
} \
} G_STMT_END
static gchar *
ensure_uri (gchar * location)
{
@ -286,7 +312,7 @@ _ges_add_clip_from_struct (GESTimeline * timeline, GstStructure * structure,
if (!_check_fields (structure, fields_error, error))
return FALSE;
GET_AND_CHECK ("asset-id", G_TYPE_STRING, &asset_id);
GET_AND_CHECK ("asset-id", G_TYPE_STRING, &asset_id, beach);
TRY_GET ("pattern", G_TYPE_STRING, &pattern, NULL);
TRY_GET ("name", G_TYPE_STRING, &name, NULL);
@ -380,9 +406,6 @@ beach:
return res;
}
#undef GET_AND_CHECK
#undef TRY_GET
gboolean
_ges_container_add_child_from_struct (GESTimeline * timeline,
GstStructure * structure, GError ** error)
@ -540,3 +563,6 @@ _ges_set_child_property_from_struct (GESTimeline * timeline,
return TRUE;
}
#undef GET_AND_CHECK
#undef TRY_GET