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-rw-r--r--libavcodec/utils.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index d42885dcb1..a0352b80a0 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -994,6 +994,13 @@ FF_DISABLE_DEPRECATION_WARNINGS
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
+
+ if (avctx->time_base.num <= 0 || avctx->time_base.den <= 0) {
+ av_log(avctx, AV_LOG_ERROR, "The encoder timebase is not set.\n");
+ ret = AVERROR(EINVAL);
+ goto free_and_end;
+ }
+
if (avctx->codec->sample_fmts) {
for (i = 0; avctx->codec->sample_fmts[i] != AV_SAMPLE_FMT_NONE; i++) {
if (avctx->sample_fmt == avctx->codec->sample_fmts[i])