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| author | David Hoyt <dhoyt@llnl.gov> | 2010-07-09 17:44:56 +0300 |
|---|---|---|
| committer | Stefan Kost <ensonic@users.sf.net> | 2010-07-09 17:44:56 +0300 |
| commit | 3172e11121885c1b4c53deed214682e016ebbfc6 (patch) | |
| tree | 3c8c13812b3bdb7bda379d82a598a621fc8bcd02 /gst/aiff/aiffmux.c | |
| parent | e467a3e14b48bffc31b088dbfe011970d10b359e (diff) | |
| download | gstreamer-plugins-bad-3172e11121885c1b4c53deed214682e016ebbfc6.tar.gz | |
aifmmux: use alternative way to check for inf
MSVC emits a divide-by-zero error when compiling aiffmux.c on line 205.
Fixes #623881.
Diffstat (limited to 'gst/aiff/aiffmux.c')
| -rw-r--r-- | gst/aiff/aiffmux.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/gst/aiff/aiffmux.c b/gst/aiff/aiffmux.c index 682ca8b49..39770cf2e 100644 --- a/gst/aiff/aiffmux.c +++ b/gst/aiff/aiffmux.c @@ -183,6 +183,17 @@ typedef struct AVExtFloat guint8 mantissa[8]; } AVExtFloat; +/* Courtesy http://www.devx.com/tips/Tip/42853 */ +static inline gint +gst_aiff_mux_isinf (gdouble x) +{ + volatile gdouble temp = x; + if ((temp == x) && ((temp - x) != 0.0)) + return (x < 0.0 ? -1 : 1); + else + return 0; +} + static void gst_aiff_mux_write_ext (GstByteWriter * writer, double d) { @@ -202,7 +213,7 @@ gst_aiff_mux_write_ext (GstByteWriter * writer, double d) } else if (f != 0.0) { ext.exponent[0] = 0x7f; ext.exponent[1] = 0xff; - if (f != 1 / 0.0) + if (!gst_aiff_mux_isinf (f)) ext.mantissa[0] = ~0; } if (d < 0) |