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avcodec/iirfilter: Change ff_iir_filter_free_coeffs() so it clears the pointers as well

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2014-10-14 18:30:52 +02:00
parent 9946da4976
commit 43fb16cf74
3 changed files with 9 additions and 8 deletions
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libavcodec/iirfilter.c
+7 -6
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@@ -196,7 +196,7 @@ av_cold struct FFIIRFilterCoeffs* ff_iir_filter_init_coeffs(void *avc,
return c;
init_fail:
ff_iir_filter_free_coeffs(c);
ff_iir_filter_free_coeffsp(&c);
return NULL;
}
@@ -304,13 +304,14 @@ av_cold void ff_iir_filter_free_state(struct FFIIRFilterState *state)
av_free(state);
}
av_cold void ff_iir_filter_free_coeffs(struct FFIIRFilterCoeffs *coeffs)
av_cold void ff_iir_filter_free_coeffsp(struct FFIIRFilterCoeffs **coeffsp)
{
struct FFIIRFilterCoeffs *coeffs = *coeffsp;
if(coeffs){
av_free(coeffs->cx);
av_free(coeffs->cy);
av_freep(&coeffs->cx);
av_freep(&coeffs->cy);
}
av_free(coeffs);
av_freep(coeffsp);
}
void ff_iir_filter_init(FFIIRFilterContext *f) {
@@ -347,7 +348,7 @@ int main(void)
for (i = 0; i < SIZE; i++)
printf("%6d %6d\n", x[i], y[i]);
ff_iir_filter_free_coeffs(fcoeffs);
ff_iir_filter_free_coeffsp(&fcoeffs);
ff_iir_filter_free_state(fstate);
return 0;
}