diff options
| -rw-r--r-- | libavcodec/zerocodec.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/zerocodec.c b/libavcodec/zerocodec.c index 02e37bc..4944a3e 100644 --- a/libavcodec/zerocodec.c +++ b/libavcodec/zerocodec.c @@ -65,6 +65,10 @@ static int zerocodec_decode_frame(AVCodecContext *avctx, void *data, pic->key_frame = 1; pic->pict_type = AV_PICTURE_TYPE_I; } else { + if (prev == NULL) { + av_log(avctx, AV_LOG_ERROR, "No previous frame!\n"); + return AVERROR_INVALIDDATA; + } pic->key_frame = 0; pic->pict_type = AV_PICTURE_TYPE_P; } |
