The ff_cos_tabs table itself is constant, too, so mark it as such.

Originally committed as revision 19784 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/dsputil.h

@@ -684,7 +684,7 @@ typedef struct FFTContext {
     void (*imdct_half)(struct MDCTContext *s, FFTSample *output, const FFTSample *input);
 } FFTContext;
 
-extern FFTSample* ff_cos_tabs[13];
+extern FFTSample* const ff_cos_tabs[13];
 
 /**
  * Sets up a complex FFT.

libavcodec/fft.c

@@ -42,7 +42,7 @@ DECLARE_ALIGNED_16(FFTSample, ff_cos_8192[4096]);
 DECLARE_ALIGNED_16(FFTSample, ff_cos_16384[8192]);
 DECLARE_ALIGNED_16(FFTSample, ff_cos_32768[16384]);
 DECLARE_ALIGNED_16(FFTSample, ff_cos_65536[32768]);
-FFTSample *ff_cos_tabs[] = {
+FFTSample * const ff_cos_tabs[] = {
     ff_cos_16, ff_cos_32, ff_cos_64, ff_cos_128, ff_cos_256, ff_cos_512, ff_cos_1024,
     ff_cos_2048, ff_cos_4096, ff_cos_8192, ff_cos_16384, ff_cos_32768, ff_cos_65536,
 };