vorbis (tremor): fix undefined left shift of negative value

a780f484 · Rémi Denis-Courmont · 91e57b16 · a780f484
Commit a780f484 authored Jun 08, 2014 by Rémi Denis-Courmont
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modules/codec/vorbis.c modules/codec/vorbis.c +1 -1

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--- a/modules/codec/vorbis.c
+++ b/modules/codec/vorbis.c
@@ -471,7 +471,7 @@ static void Interleave( INTERLEAVE_TYPE *p_out, const INTERLEAVE_TYPE **pp_in,
    for( int j = 0; j < i_samples; j++ )
        for( int i = 0; i < i_nb_channels; i++ )
 #ifdef MODULE_NAME_IS_tremor
-            p_out[j * i_nb_channels + pi_chan_table[i]] = pp_in[i][j] << 8;
+            p_out[j * i_nb_channels + pi_chan_table[i]] = ((uint32_t)pp_in[i][j]) << 8;
 #else
            p_out[j * i_nb_channels + pi_chan_table[i]] = pp_in[i][j];
 #endif