#0  0x00007fffe4dd46f9 in ff_mpeg_unref_picture (avctx=0x0, pic=pic@entry=0x55555564b0e8) at libavcodec/mpegpicture.c:306
#1  0x00007fffe4dda44e in ff_mpv_common_end (s=s@entry=0x55555564ac80) at libavcodec/mpegvideo.c:1163
#2  0x00007fffe4910fff in ff_mpv_encode_end (avctx=0x555555639480) at libavcodec/mpegvideo_enc.c:1074
#3  0x00007fffe4f6c9ba in avcodec_open2 (avctx=0x555555639480, codec=0x7fffe57ba060 <ff_mpeg4_encoder>, options=options@entry=0x7fffe5e0b5d0 <lavc_venc_opts>) at libavcodec/utils.c:1022
#4  0x00007fffe5e023b5 in export_ffmpeg_init (vob=vob@entry=0x5555555e22a0, param=<optimized out>) at export_ffmpeg.c:1276
#5  0x00007fffe5e0308a in tc_export (opt=<optimized out>, para1=0x5555555cdc98 <encdata+8344>, para2=0x5555555e22a0) at export_def.h:97
#6  0x000055555556ad49 in tcv_export (opt=opt@entry=12, para1=para1@entry=0x5555555cdc98 <encdata+8344>, para2=para2@entry=0x5555555e22a0) at dl_loader.c:66
#7  0x000055555556bc16 in OLD_tc_encoder_init (vob=0x5555555e22a0) at encoder.c:1094
#8  tc_encoder_init (vob=vob@entry=0x5555555e22a0) at encoder.c:655
#9  0x00005555555632f6 in transcode_mode_default (vob=0x5555555e22a0) at transcode.c:432
#10 main (argc=<optimized out>, argv=<optimized out>) at transcode.c:2740