diff mbox series

[FFmpeg-devel,21/26] avformat/tedcaptionsdec: Fix memleak upon read header failure

Message ID 20200614223656.21338-21-andreas.rheinhardt@gmail.com
State Accepted
Commit 337783b118d4cc265759c103b672dd5d5d3e7cb8
Headers show
Series [FFmpeg-devel,01/26] avformat/matroskadec: Move AVBufferRef instead of copying, fix memleak
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Commit Message

Andreas Rheinhardt June 14, 2020, 10:36 p.m. UTC
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>
---
 libavformat/tedcaptionsdec.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/libavformat/tedcaptionsdec.c b/libavformat/tedcaptionsdec.c
index 5572bfd931..3255819e77 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);