On Sat, Jan 18, 2020 at 10:40 PM Jonathan Noble <jonnobl...@gmail.com>
wrote:
> Hello,
>
> I found I was getting sigsegv when calling av_interleaved_write_frame().
>
> From a18f4cb5b86392c5c161878daea8e4b1204881eb Mon Sep 17 00:00:00 2001
> From: jon noble <jonnobl...@gmail.com>
> Date: Sat, 18 Jan 2020 21:33:11 +0000
> Subject: [PATCH] libavformat/mux: prevent segfault in
> compute_muxer_pkt_fields()
>
> ---
> libavformat/mux.c | 8 +++++---
> 1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/libavformat/mux.c b/libavformat/mux.c
> index 8ab5ea8c2b..ea79981fe8 100644
> --- a/libavformat/mux.c
> +++ b/libavformat/mux.c
> @@ -598,9 +598,11 @@ static int compute_muxer_pkt_fields(AVFormatContext
> *s, AVStream *st, AVPacket *
> av_log(s, AV_LOG_WARNING, "Encoder did not produce proper pts,
> making some up.\n");
> warned = 1;
> }
> - pkt->dts =
> -// pkt->pts= st->cur_dts;
> - pkt->pts = st->internal->priv_pts->val;
> + if (st->internal->priv_pts == NULL) {
> + av_log(s, AV_LOG_WARNING, "Null private stream data.\n");
> + return AVERROR(EINVAL);
> + }
> + pkt->dts = pkt->pts = st->internal->priv_pts->val;
> }
>
> //calculate dts from pts
> --
> 2.25.0
>
> Can you give us the command line together with the necessary sample files
that allow to reproduce this segfault?
- Andreas
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