PNGSIG             54 libavcodec/png_parser.c             if (state64 == PNGSIG || state64 == MNGSIG) {
PNGSIG           1490 libavcodec/pngdec.c     if (sig != PNGSIG &&
PNGSIG            549 libavcodec/pngenc.c     AV_WB64(s->bytestream, PNGSIG);
PNGSIG             77 libavformat/apngdec.c     if (bytestream2_get_be64(&gb) != PNGSIG)
PNGSIG            157 libavformat/apngdec.c     if (avio_rb64(pb) != PNGSIG)
PNGSIG            102 libavformat/apngenc.c     avio_wb64(format_context->pb, PNGSIG);
PNGSIG            160 libavformat/flac_picture.c     if (AV_RB64(data->data) == PNGSIG)
PNGSIG             68 libavformat/icodec.c         if (p->buf[offset] != 40 && AV_RB64(p->buf + offset) != PNGSIG)
PNGSIG           1149 libavformat/id3v2.c         if (AV_RB64(apic->buf->data) == PNGSIG)