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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 <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2020-06-14 03:27:43 +02:00
parent a708f65273
commit 337783b118
1 changed files with 4 additions and 4 deletions
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8
libavformat/tedcaptionsdec.c
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@ -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);