+++ /dev/null
-diff -ruN a/libavformat/mpegenc.c b/libavformat/mpegenc.c
---- a/libavformat/mpegenc.c 2020-07-10 09:26:57.257744879 -0600
-+++ b/libavformat/mpegenc.c 2020-07-10 09:27:14.528745779 -0600
-@@ -976,9 +976,9 @@
- PacketDesc *pkt_desc;
-
- while ((pkt_desc = stream->predecode_packet) &&
-+ pkt_desc != stream->premux_packet &&
- scr > pkt_desc->dts) { // FIXME: > vs >=
-- if (stream->buffer_index < pkt_desc->size ||
-- stream->predecode_packet == stream->premux_packet) {
-+ if (stream->buffer_index < pkt_desc->size) {
- av_log(ctx, AV_LOG_ERROR,
- "buffer underflow st=%d bufi=%d size=%d\n",
- i, stream->buffer_index, pkt_desc->size);