Ticket #3634: 3634_workaround_v2.diff

libs/libavcodec/ac3dec.c

@@ -188 +188 @@
     uint8_t deltba[AC3_MAX_CHANNELS][8];        ///< bit allocation deltas
 
     DECLARE_ALIGNED_16(float, transform_coeffs[AC3_MAX_CHANNELS][256]); ///< frequency domain coefficients
+    // FIXME inserted by cpinkham for fixing stack alignment issues w/ gcc 3.2.2
+    DECLARE_ALIGNED_16(float, tccopy[128]);
     DECLARE_ALIGNED_16(float, output[AC3_MAX_CHANNELS][256]);           ///< output after imdct transform and windowing
     DECLARE_ALIGNED_16(short, int_output[AC3_MAX_CHANNELS][256]);       ///< final 16-bit integer output
     DECLARE_ALIGNED_16(float, delay[AC3_MAX_CHANNELS][256]);            ///< delay - added to the next block
@@ -699 +701 @@
 static void do_imdct_256(AC3DecodeContext *ctx, int ch)
 {
     int k;
-    DECLARE_ALIGNED_16(float, x[128]);
+    //DECLARE_ALIGNED_16(float, x[128]);
+    // FIXME inserted by cpinkham for fixing stack alignment issues w/ gcc 3.2.2
+    float *x = ctx->tccopy;
     FFTComplex z[2][64];
     float *o_ptr = ctx->tmp_output;
     int i;