[Bug 775112] New: clang compiler warnings due to integer conversions

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=775112

            Bug ID: 775112
           Summary: clang compiler warnings due to integer conversions
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: hanno at hboeck.de
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

By default the git code of the gstreamer modules enables -Werror, so all
compiler warnings are fatal.

Compiling with clang causes several compiler warnings related to integer casts:
tmp-orc.c:931:13: error: implicit conversion from 'int' to 'orc_int8' (aka
'signed char') changes value from 255 to
      -1 [-Werror,-Wconstant-conversion]
    var36 = (int)0x000000ff; /* 255 or 1.25987e-321f */
          ~ ^~~~~~~~~~~~~~~
tmp-orc.c:1504:19: error: implicit conversion from 'int' to 'orc_int8' (aka
'signed char') changes value from 255 to
      -1 [-Werror,-Wconstant-conversion]
    var37.x2[0] = (int)0x000000ff; /* 255 or 1.25987e-321f */
                ~ ^~~~~~~~~~~~~~~
tmp-orc.c:1505:19: error: implicit conversion from 'int' to 'orc_int8' (aka
'signed char') changes value from 255 to
      -1 [-Werror,-Wconstant-conversion]
    var37.x2[1] = (int)0x000000ff; /* 255 or 1.25987e-321f */
                ~ ^~~~~~~~~~~~~~~
tmp-orc.c:2128:19: error: implicit conversion from 'int' to 'orc_int8' (aka
'signed char') changes value from 255 to
      -1 [-Werror,-Wconstant-conversion]
    var37.x2[0] = (int)0x000000ff; /* 255 or 1.25987e-321f */
                ~ ^~~~~~~~~~~~~~~
tmp-orc.c:2129:19: error: implicit conversion from 'int' to 'orc_int8' (aka
'signed char') changes value from 255 to
      -1 [-Werror,-Wconstant-conversion]
    var37.x2[1] = (int)0x000000ff; /* 255 or 1.25987e-321f */
                ~ ^~~~~~~~~~~~~~~
tmp-orc.c:2563:19: error: implicit conversion from 'int' to 'orc_int8' (aka
'signed char') changes value from 255 to
      -1 [-Werror,-Wconstant-conversion]
    var37.x2[0] = (int)0x000000ff; /* 255 or 1.25987e-321f */
                ~ ^~~~~~~~~~~~~~~
tmp-orc.c:2564:19: error: implicit conversion from 'int' to 'orc_int8' (aka
'signed char') changes value from 255 to
      -1 [-Werror,-Wconstant-conversion]
    var37.x2[1] = (int)0x000000ff; /* 255 or 1.25987e-321f */
                ~ ^~~~~~~~~~~~~~~
tmp-orc.c:2794:19: error: implicit conversion from 'int' to 'orc_int8' (aka
'signed char') changes value from 255 to
      -1 [-Werror,-Wconstant-conversion]
    var37.x2[0] = (int)0x000000ff; /* 255 or 1.25987e-321f */
                ~ ^~~~~~~~~~~~~~~
tmp-orc.c:2795:19: error: implicit conversion from 'int' to 'orc_int8' (aka
'signed char') changes value from 255 to
      -1 [-Werror,-Wconstant-conversion]
    var37.x2[1] = (int)0x000000ff; /* 255 or 1.25987e-321f */
                ~ ^~~~~~~~~~~~~~~
tmp-orc.c:3236:19: error: implicit conversion from 'int' to 'orc_int8' (aka
'signed char') changes value from 255 to
      -1 [-Werror,-Wconstant-conversion]
    var37.x2[0] = (int)0x000000ff; /* 255 or 1.25987e-321f */
                ~ ^~~~~~~~~~~~~~~
tmp-orc.c:3237:19: error: implicit conversion from 'int' to 'orc_int8' (aka
'signed char') changes value from 255 to
      -1 [-Werror,-Wconstant-conversion]
    var37.x2[1] = (int)0x000000ff; /* 255 or 1.25987e-321f */
                ~ ^~~~~~~~~~~~~~~
tmp-orc.c:3474:19: error: implicit conversion from 'int' to 'orc_int8' (aka
'signed char') changes value from 255 to
      -1 [-Werror,-Wconstant-conversion]
    var38.x2[0] = (int)0x000000ff; /* 255 or 1.25987e-321f */
                ~ ^~~~~~~~~~~~~~~
tmp-orc.c:3475:19: error: implicit conversion from 'int' to 'orc_int8' (aka
'signed char') changes value from 255 to
      -1 [-Werror,-Wconstant-conversion]
    var38.x2[1] = (int)0x000000ff; /* 255 or 1.25987e-321f */
                ~ ^~~~~~~~~~~~~~~
tmp-orc.c:3895:13: error: implicit conversion from 'int' to 'orc_int8' (aka
'signed char') changes value from 255 to
      -1 [-Werror,-Wconstant-conversion]
    var36 = (int)0x000000ff; /* 255 or 1.25987e-321f */
          ~ ^~~~~~~~~~~~~~~
tmp-orc.c:4241:13: error: implicit conversion from 'int' to 'orc_int8' (aka
'signed char') changes value from 255 to
      -1 [-Werror,-Wconstant-conversion]
    var33 = (int)0x000000ff; /* 255 or 1.25987e-321f */
          ~ ^~~~~~~~~~~~~~~
tmp-orc.c:4243:15: error: implicit conversion from 'int' to 'orc_int16' (aka
'short') changes value from 32896 to
      -32640 [-Werror,-Wconstant-conversion]
    var35.i = (int)0x00008080; /* 32896 or 1.62528e-319f */
            ~ ^~~~~~~~~~~~~~~
tmp-orc.c:5252:19: error: implicit conversion from 'int' to 'orc_int8' (aka
'signed char') changes value from 255 to
      -1 [-Werror,-Wconstant-conversion]
    var36.x2[0] = (int)0x000000ff; /* 255 or 1.25987e-321f */
                ~ ^~~~~~~~~~~~~~~
tmp-orc.c:5253:19: error: implicit conversion from 'int' to 'orc_int8' (aka
'signed char') changes value from 255 to
      -1 [-Werror,-Wconstant-conversion]
    var36.x2[1] = (int)0x000000ff; /* 255 or 1.25987e-321f */
                ~ ^~~~~~~~~~~~~~~
tmp-orc.c:5639:19: error: implicit conversion from 'int' to 'orc_int8' (aka
'signed char') changes value from 255 to
      -1 [-Werror,-Wconstant-conversion]
    var36.x2[0] = (int)0x000000ff; /* 255 or 1.25987e-321f */
                ~ ^~~~~~~~~~~~~~~

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