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-rw-r--r--sub/lavc_conv.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sub/lavc_conv.c b/sub/lavc_conv.c
index 0f3b18e0fa..843da42ca7 100644
--- a/sub/lavc_conv.c
+++ b/sub/lavc_conv.c
@@ -237,6 +237,8 @@ char **lavc_conv_decode(struct lavc_conv *priv, struct demux_packet *packet)
avsubtitle_free(&priv->cur);
mp_set_av_packet(&pkt, packet, &avctx->time_base);
+ if (pkt.pts < 0)
+ pkt.pts = 0;
if (strcmp(priv->codec, "webvtt-webm") == 0) {
if (parse_webvtt(&pkt, &parsed_pkt) < 0) {