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authorMarth64 <marth64@proxyid.net>2024-04-02 00:24:53 -0500
committerStefano Sabatini <stefasab@gmail.com>2024-04-02 19:59:01 +0200
commit1c3533367188ea25bace9dedd6ee63fb1112b14d (patch)
tree4f682a150d4474157b9a320cce6169f11b8a1afd /INSTALL.md
parented9363052f4b8b89ed2f1415f392d39788dab0d3 (diff)
downloadffmpeg-1c3533367188ea25bace9dedd6ee63fb1112b14d.tar.gz
avformat/subtitles: extend ff_subtitles_queue_insert() to support not yet available events
If ff_subtitles_queue_insert() were given a NULL buffer with 0 length, it would still attempt to grow the packet or memcpy depending on if merge option is enabled. In this commit, allow passing a NULL buffer with 0 length without attempting to do such operations. This way, if a subtitle demuxer happens to pass an empty cue or wants to use av_get_packet() to read bytes, there are no unnecessary operations on the packet after it is allocated. Signed-off-by: Marth64 <marth64@proxyid.net>
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