On Sun, 1 Aug 2010, Janne Grunau wrote: > + } else { > + copy_audio_specific_config(stream_cfg, prev_stream_cfg); > + } > + > + st->codec->extradata = av_malloc(stream_cfg->extrasize + > + FF_INPUT_BUFFER_PADDING_SIZE); You probably want to free the previous extradata here, too, to avoid leaks. // Martin