--- third_party/webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.cc.orig 2021-05-10 20:48:00.000000000 +0200 +++ third_party/webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.cc 2021-05-15 07:03:40.631211000 +0200 @@ -77,7 +77,7 @@ int height = av_frame->height; // See |lowres|, if used the decoder scales the image by 1/2^(lowres). This // has implications on which resolutions are valid, but we don't use it. - RTC_CHECK_EQ(context->lowres, 0); + // RTC_CHECK_EQ(context->lowres, 0); // Adjust the |width| and |height| to values acceptable by the decoder. // Without this, FFmpeg may overflow the buffer. If modified, |width| and/or // |height| are larger than the actual image and the image has to be cropped @@ -201,6 +201,9 @@ // |get_buffer2| is called with the context, there |opaque| can be used to get // a pointer |this|. av_context_->opaque = this; + + // Initializing |lowres| + av_context_->lowres = 0; AVCodec* codec = avcodec_find_decoder(av_context_->codec_id); if (!codec) {