list<ContentImageSubtitle>::iterator i = _decoded_image_subtitles.begin();
while (i != _decoded_image_subtitles.end()) {
list<ContentImageSubtitle>::iterator tmp = i;
list<ContentImageSubtitle>::iterator i = _decoded_image_subtitles.begin();
while (i != _decoded_image_subtitles.end()) {
list<ContentImageSubtitle>::iterator tmp = i;