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mpegtsbase: Check before getting descriptors from structure

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Avoids spurious warnings. Not having those descriptors is nothing
fatal, so check their presence before trying to get them.
This commit is contained in:
Edward Hervey 2012-05-26 14:11:24 +02:00
parent b6732a27d3
commit 7784c0d350
1 changed files with 36 additions and 25 deletions
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61
gst/mpegtsdemux/mpegtsbase.c
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@ -322,21 +322,26 @@ mpegts_get_descriptor_from_stream (MpegTSBaseStream * stream, guint8 tag)
guint8 *retval = NULL;
int i;
if (!gst_structure_has_field_typed (stream_info, "descriptors",
G_TYPE_VALUE_ARRAY))
goto beach;
gst_structure_get (stream_info, "descriptors", G_TYPE_VALUE_ARRAY,
&descriptors, NULL);
if (descriptors) {
for (i = 0; i < descriptors->n_values; i++) {
GValue *value = g_value_array_get_nth (descriptors, i);
GString *desc = g_value_dup_boxed (value);
if (DESC_TAG (desc->str) == tag) {
retval = (guint8 *) desc->str;
g_string_free (desc, FALSE);
break;
} else
g_string_free (desc, FALSE);
}
g_value_array_free (descriptors);
for (i = 0; i < descriptors->n_values; i++) {
GValue *value = g_value_array_get_nth (descriptors, i);
GString *desc = g_value_dup_boxed (value);
if (DESC_TAG (desc->str) == tag) {
retval = (guint8 *) desc->str;
g_string_free (desc, FALSE);
break;
} else
g_string_free (desc, FALSE);
}
g_value_array_free (descriptors);
beach:
return retval;
}
@ -381,23 +386,29 @@ mpegts_get_descriptor_from_program (MpegTSBaseProgram * program, guint8 tag)
int i;
if (G_UNLIKELY (program == NULL))
return NULL;
goto beach;
program_info = program->pmt_info;
if (!gst_structure_has_field_typed (program_info, "descriptors",
G_TYPE_VALUE_ARRAY))
goto beach;
gst_structure_get (program_info, "descriptors", G_TYPE_VALUE_ARRAY,
&descriptors, NULL);
if (descriptors) {
for (i = 0; i < descriptors->n_values; i++) {
GValue *value = g_value_array_get_nth (descriptors, i);
GString *desc = g_value_dup_boxed (value);
if (DESC_TAG (desc->str) == tag) {
retval = (guint8 *) desc->str;
g_string_free (desc, FALSE);
break;
} else
g_string_free (desc, FALSE);
}
g_value_array_free (descriptors);
for (i = 0; i < descriptors->n_values; i++) {
GValue *value = g_value_array_get_nth (descriptors, i);
GString *desc = g_value_dup_boxed (value);
if (DESC_TAG (desc->str) == tag) {
retval = (guint8 *) desc->str;
g_string_free (desc, FALSE);
break;
} else
g_string_free (desc, FALSE);
}
g_value_array_free (descriptors);
beach:
return retval;
}