From b7a3f169578cb6c8281afe33dd879df7d1029d6c Mon Sep 17 00:00:00 2001 From: Zhao Zhili Date: Sat, 22 Oct 2022 05:29:35 +0000 Subject: avutil/hwcontext: verify hw_frames_ctx in transfer_data_alloc Signed-off-by: Zhao Zhili --- libavutil/hwcontext.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'libavutil') diff --git a/libavutil/hwcontext.c b/libavutil/hwcontext.c index ab9ad3703e..3396598269 100644 --- a/libavutil/hwcontext.c +++ b/libavutil/hwcontext.c @@ -397,10 +397,14 @@ int av_hwframe_transfer_get_formats(AVBufferRef *hwframe_ref, static int transfer_data_alloc(AVFrame *dst, const AVFrame *src, int flags) { - AVHWFramesContext *ctx = (AVHWFramesContext*)src->hw_frames_ctx->data; + AVHWFramesContext *ctx; AVFrame *frame_tmp; int ret = 0; + if (!src->hw_frames_ctx) + return AVERROR(EINVAL); + ctx = (AVHWFramesContext*)src->hw_frames_ctx->data; + frame_tmp = av_frame_alloc(); if (!frame_tmp) return AVERROR(ENOMEM); -- cgit v1.2.3