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mulawdec: fix integer overrun

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There might be more than 65535 samples in a chunk of data.

https://bugzilla.gnome.org/show_bug.cgi?id=687469
This commit is contained in:
Roland Krikava 2012-11-02 12:38:44 -04:00 committed by Tim-Philipp Müller
parent 5d0507c09e
commit 3be45f7022
1 changed files with 4 additions and 2 deletions
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6
gst/law/mulaw-conversion.c Normal file → Executable file
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@ -51,9 +51,10 @@ mulaw_encode (gint16 * in, guint8 * out, gint numsamples)
7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
}; };
gint16 sign, exponent, mantissa, i; gint16 sign, exponent, mantissa;
gint16 sample; gint16 sample;
guint8 ulawbyte; guint8 ulawbyte;
gint i;
for (i = 0; i < numsamples; i++) { for (i = 0; i < numsamples; i++) {
sample = in[i]; sample = in[i];
@ -102,7 +103,8 @@ mulaw_decode (guint8 * in, gint16 * out, gint numsamples)
static gint16 exp_lut[8] = { 0, 132, 396, 924, 1980, 4092, 8316, 16764 }; static gint16 exp_lut[8] = { 0, 132, 396, 924, 1980, 4092, 8316, 16764 };
gint16 sign, exponent, mantissa; gint16 sign, exponent, mantissa;
guint8 ulawbyte; guint8 ulawbyte;
gint16 linear, i; gint16 linear;
gint i;
for (i = 0; i < numsamples; i++) { for (i = 0; i < numsamples; i++) {
ulawbyte = in[i]; ulawbyte = in[i];