Under certain circumstances hls_write_packet() would add options to an AVDictionary. Said dictionary was never explicitly freed, instead it was presumed that these options would be consumed when opening a new IO-context. This left several possibilities for memleaks: a) When no new IO-context would be opened at all. This is possible when using both the flags temp_file and single_file together with a file output. b) When an error happens before one actually tries to open the new IO-context. c) When the new IO-context does not consume all options. All three have been fixed; furthermore, the AVDictionary has been put into a smaller scope (namely the only part of hls_write_packet() where it is actually used). Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com> Reviewed-by: Steven Liu <lq@onvideo.cn>pull/331/head
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