myH264.bt

//------------------------------------------------
//--- 010 Editor v9.0 Binary Template
//
//      File: 
//   Authors: 
//   Version: 
//   Purpose: 
//  Category: 
// File Mask: 
//  ID Bytes: 
//   History: 
//------------------------------------------------

typedef struct {
    local int64 pos = FTell();
    local int a = ReadUByte(pos++);
    local int b = ReadUByte(pos++);
    local int c = ReadUByte(pos++);
    while (pos < FileSize()) {
        if (a == 0 && b == 0 && c == 1) {
            break;
        }
        a = b;
        b = c;
        c = ReadUByte(pos++);
    }
    FSeek(pos);
    pos += 3;
    a = ReadUByte(pos++);
    b = ReadUByte(pos++);
    c = ReadUByte(pos++);
    local int len = 0;
    while (pos < FileSize()) {
        if (a == 0 && b == 0 && c == 1) {
            break;
        }
        len ++;
        a = b;
        b = c;
        c = ReadUByte(pos++);
    }
    union {
        UBYTE nalu[len+(pos == FileSize() ? 6 : 3)];
        struct {
            UBYTE forbidden_zero_bit: 1;
            UBYTE nal_ref_idc: 2;
            enum <ubyte> {
                slice_non_idr = 1,
                slice_idr = 5,
                sei = 6,
                sps = 7,
                pps = 8,
            } nal_unit_type : 5;
        } NAL_SLICE_HEADER;
    } NAL;
} NALU;

BigEndian();

while(!FEof()) {
    NALU nalu;
}