uint RtmpPCI_WriteSingleTxResource(int param_1,byte *param_2,char param_3,short *param_4)

{

  byte bVar1;

  byte bVar2;

  ushort uVar3;

  byte bVar4;

  int iVar5;

  int iVar6;

  undefined4 *__s;

  size_t __n;

  int iVar7;

  undefined4 uVar8;

  uint uVar9;

  bVar1 = *param_2;

  iVar7 = (uint)bVar1 * 0x80c;

  uVar9 = (uint)*(ushort *)(param_1 + iVar7 + 0x980);

  iVar5 = param_1 + uVar9 * 0x20 + 0x10 + iVar7;

  __n = (uint)param_2[0xb5] + (uint)param_2[0xb4] + 0x10   //possible issue identified - semgrep

  iVar6 = param_1 + uVar9 * 0x20 + iVar7;

  uVar8 = *(undefined4 *)(iVar6 + 0x19c);

  memmove(*(void **)(iVar5 + 0x188),*(void **)(param_2 + 0xb0),__n)   //possible issue identified - semgrep

  __s = *(undefined4 **)(iVar6 + 0x184);

  *(undefined4 *)(param_1 + uVar9 * 0x20 + iVar7 + 0x18c) = *(undefined4 *)(param_2 + 0x1c);

  *(undefined4 *)(iVar5 + 0x180) = 0;

  memset(__s,0,0x10)   //possible issue identified - semgrep

  *__s = uVar8;

  *(byte *)((int)__s + 7) = *(byte *)((int)__s + 7) & 0xc0 | (byte)(__n * 0x40000 >> 0x1a);

  *(char *)((int)__s + 6) = (char)__n;

  uVar8 = RtmpDrvPciMapSingle(param_1,param_2,0,1,0xff00);

  __s[2] = uVar8;

  uVar3 = *(ushort *)(param_2 + 0x28);

  bVar2 = *(byte *)((int)__s + 5);

  bVar4 = (byte)(((uint)uVar3 << 0x12) >> 0x1a);

  *(byte *)((int)__s + 5) = bVar2 & 0xc0 | bVar4;

  *(char *)(__s + 1) = (char)uVar3;

  *(byte *)((int)__s + 7) = *(byte *)((int)__s + 7) & 0xbf | (*(int *)(param_2 + 0x28) == 0) << 6;

  *(byte *)((int)__s + 5) = bVar2 & 0x80 | bVar4 | (param_3 != '\0') << 6;

  *(uint *)(param_1 + 0x16abc) = *(uint *)(param_1 + 0x16abc) & 0xffffffef;

  bVar2 = *(byte *)((int)__s + 0xf);

  *(byte *)((int)__s + 0xf) = bVar2 & 0xf8 | 4;

  if (*(char *)(param_1 + 0x769e7) == '\x01') {

    *(byte *)((int)__s + 0xf) = bVar2 & 0xf8 | 2;

  }

  *(byte *)((int)__s + 7) = *(byte *)((int)__s + 7) & 0x7f;

  *(uint *)((uint)bVar1 * 0x80c + param_1 + 0x980) = uVar9 + 1 & 0x3f;

  *param_4 = *param_4 + -1;

  return uVar9;

}