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

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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13
libavcodec/iirfilter.c
View File

@ -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;
}

2
libavcodec/iirfilter.h
View File

@ -104,7 +104,7 @@ struct FFIIRFilterState* ff_iir_filter_init_state(int order);
*
* @param coeffs pointer allocated with ff_iir_filter_init_coeffs()
*/
void ff_iir_filter_free_coeffs(struct FFIIRFilterCoeffs *coeffs);
void ff_iir_filter_free_coeffsp(struct FFIIRFilterCoeffs **coeffs);
/**
* Free filter state.

2
libavcodec/psymodel.c
View File

@ -138,7 +138,7 @@ void ff_psy_preprocess(struct FFPsyPreprocessContext *ctx, float **audio, int ch
av_cold void ff_psy_preprocess_end(struct FFPsyPreprocessContext *ctx)
{
int i;
ff_iir_filter_free_coeffs(ctx->fcoeffs);
ff_iir_filter_free_coeffsp(&ctx->fcoeffs);
if (ctx->fstate)
for (i = 0; i < ctx->avctx->channels; i++)
ff_iir_filter_free_state(ctx->fstate[i]);