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gstreamer playback: fix possible race condition

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Origin commit data
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Branch: master
Commit: 1e8e9bcc4d
Author: TangoCash <eric@loxat.de>
Date: 2017-11-10 (Fri, 10 Nov 2017)


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This commit was generated by Migit
This commit is contained in:
TangoCash
2017-11-10 12:02:55 +01:00
committed by Jacek Jendrzej
parent 0f626ebe02
commit e3aeed5fde
1 changed files with 12 additions and 5 deletions
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17
libarmbox/playback_gst.cpp
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@@ -1013,22 +1013,28 @@ void cPlayback::GetMetadata(std::vector<std::string> &keys, std::vector<std::str
{ {
keys.clear(); keys.clear();
values.clear(); values.clear();
if (gst_tag_list_is_empty (m_stream_tags))
GstTagList *meta_list = gst_tag_list_copy(m_stream_tags);
if (meta_list == NULL)
return; return;
for (guint i = 0, icnt = gst_tag_list_n_tags(m_stream_tags); i < icnt; i++) if (gst_tag_list_is_empty(meta_list))
return;
for (guint i = 0, icnt = gst_tag_list_n_tags(meta_list); i < icnt; i++)
{ {
const gchar *name = gst_tag_list_nth_tag_name(m_stream_tags, i); const gchar *name = gst_tag_list_nth_tag_name(meta_list, i);
if (!name) if (!name)
{ {
continue; continue;
} }
for (guint j = 0, jcnt = gst_tag_list_get_tag_size(m_stream_tags, name); j < jcnt; j++) for (guint j = 0, jcnt = gst_tag_list_get_tag_size(meta_list, name); j < jcnt; j++)
{ {
const GValue *val; const GValue *val;
val = gst_tag_list_get_value_index(m_stream_tags, name, j); val = gst_tag_list_get_value_index(meta_list, name, j);
if (val == NULL) if (val == NULL)
continue; continue;
@@ -1071,6 +1077,7 @@ void cPlayback::GetMetadata(std::vector<std::string> &keys, std::vector<std::str
} }
} }
gst_tag_list_unref(meta_list);
printf("%s:%s %d tags found\n", FILENAME, __func__, (int)keys.size()); printf("%s:%s %d tags found\n", FILENAME, __func__, (int)keys.size());
} }