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avcodec/rdft: Use more specific error codes 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-06-05 04:05:57 +02:00
parent 7be0f48a32
commit c93602ae5b
1 changed files with 4 additions and 3 deletions
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7
libavcodec/rdft.c
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@ -99,16 +99,17 @@ static void rdft_calc_c(RDFTContext *s, FFTSample *data)
av_cold int ff_rdft_init(RDFTContext *s, int nbits, enum RDFTransformType trans) av_cold int ff_rdft_init(RDFTContext *s, int nbits, enum RDFTransformType trans)
{ {
int n = 1 << nbits; int n = 1 << nbits;
int ret;
s->nbits = nbits; s->nbits = nbits;
s->inverse = trans == IDFT_C2R || trans == DFT_C2R; s->inverse = trans == IDFT_C2R || trans == DFT_C2R;
s->sign_convention = trans == IDFT_R2C || trans == DFT_C2R ? 1 : -1; s->sign_convention = trans == IDFT_R2C || trans == DFT_C2R ? 1 : -1;
if (nbits < 4 || nbits > 16) if (nbits < 4 || nbits > 16)
return -1; return AVERROR(EINVAL);
if (ff_fft_init(&s->fft, nbits-1, trans == IDFT_C2R || trans == IDFT_R2C) < 0) if ((ret = ff_fft_init(&s->fft, nbits-1, trans == IDFT_C2R || trans == IDFT_R2C)) < 0)
return -1; return ret;
ff_init_ff_cos_tabs(nbits); ff_init_ff_cos_tabs(nbits);
s->tcos = ff_cos_tabs[nbits]; s->tcos = ff_cos_tabs[nbits];