From b6c3a02740871f4992ab7c34a95dfa53a56ba382 Mon Sep 17 00:00:00 2001 From: Aman Gupta Date: Thu, 11 Oct 2018 20:42:58 -0700 Subject: avcodec/cbs: fix crash in sei_pic_timestamp Signed-off-by: Aman Gupta --- libavcodec/cbs_h264_syntax_template.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavcodec/cbs_h264_syntax_template.c b/libavcodec/cbs_h264_syntax_template.c index 32e6acd68e..106da0630e 100644 --- a/libavcodec/cbs_h264_syntax_template.c +++ b/libavcodec/cbs_h264_syntax_template.c @@ -584,6 +584,12 @@ static int FUNC(sei_pic_timestamp)(CodedBitstreamContext *ctx, RWContext *rw, } sps = h264->active_sps; + if (!sps) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "No active SPS for pic_timestamp.\n"); + return AVERROR_INVALIDDATA; + } + if (sps->vui.nal_hrd_parameters_present_flag) time_offset_length = sps->vui.nal_hrd_parameters.time_offset_length; else if (sps->vui.vcl_hrd_parameters_present_flag) -- cgit v1.2.1