libtwolame: prevent a NULL pointer dereference

CC: libav-stable@libav.org Bug-Id: CID 1250330 / CID 1250335
10 years ago · a42d5c861f
parent 863ee8a855
commit a42d5c861f
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/libtwolame.c
+++ b/libavcodec/libtwolame.c
@ -148,8 +148,8 @@ static int twolame_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
    if (ret < 0)  // twolame error
        return AVERROR_UNKNOWN;

-    avpkt->duration = ff_samples_to_time_base(avctx, frame->nb_samples);
    if (frame) {
+        avpkt->duration = ff_samples_to_time_base(avctx, frame->nb_samples);
        if (frame->pts != AV_NOPTS_VALUE)
            avpkt->pts = frame->pts - ff_samples_to_time_base(avctx, avctx->initial_padding);
    } else {