From 21c48ec9c3237deb2245ce76185e257153b613a2 Mon Sep 17 00:00:00 2001 From: Andreas Rheinhardt Date: Sun, 14 Jun 2020 03:27:43 +0200 Subject: avformat/tedcaptionsdec: Fix memleak upon read header failure The already parsed subtitles (contained in an FFDemuxSubtitlesQueue) would leak if allocating the AVStream for the subtitles fails. Signed-off-by: Andreas Rheinhardt (cherry picked from commit 337783b118d4cc265759c103b672dd5d5d3e7cb8) Signed-off-by: Andreas Rheinhardt --- libavformat/tedcaptionsdec.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/libavformat/tedcaptionsdec.c b/libavformat/tedcaptionsdec.c index 774d4993b5..21d44c17f4 100644 --- a/libavformat/tedcaptionsdec.c +++ b/libavformat/tedcaptionsdec.c @@ -275,10 +275,13 @@ static int parse_file(AVIOContext *pb, FFDemuxSubtitlesQueue *subs) static av_cold int tedcaptions_read_header(AVFormatContext *avf) { TEDCaptionsDemuxer *tc = avf->priv_data; - AVStream *st; + AVStream *st = avformat_new_stream(avf, NULL); int ret, i; AVPacket *last; + if (!st) + return AVERROR(ENOMEM); + ret = parse_file(avf->pb, &tc->subs); if (ret < 0) { if (ret == AVERROR_INVALIDDATA) @@ -292,9 +295,6 @@ static av_cold int tedcaptions_read_header(AVFormatContext *avf) tc->subs.subs[i].pts += tc->start_time; last = &tc->subs.subs[tc->subs.nb_subs - 1]; - st = avformat_new_stream(avf, NULL); - if (!st) - return AVERROR(ENOMEM); st->codecpar->codec_type = AVMEDIA_TYPE_SUBTITLE; st->codecpar->codec_id = AV_CODEC_ID_TEXT; avpriv_set_pts_info(st, 64, 1, 1000); -- cgit v1.2.1