decode_fctl_chunk  973 libavcodec/pngdec.c static int decode_fctl_chunk(AVCodecContext *avctx, PNGDecContext *s,
decode_fctl_chunk  247 libavformat/apngdec.c static int decode_fctl_chunk(AVFormatContext *s, APNGDemuxContext *ctx, AVPacket *pkt)