mirror of https://git.ffmpeg.org/ffmpeg.git
avcodec/rdft: Use more specific error codes
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -99,16 +99,17 @@ static void rdft_calc_c(RDFTContext *s, FFTSample *data)
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av_cold int ff_rdft_init(RDFTContext *s, int nbits, enum RDFTransformType trans)
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{
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int n = 1 << nbits;
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int ret;
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s->nbits = nbits;
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s->inverse = trans == IDFT_C2R || trans == DFT_C2R;
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s->sign_convention = trans == IDFT_R2C || trans == DFT_C2R ? 1 : -1;
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if (nbits < 4 || nbits > 16)
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return -1;
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return AVERROR(EINVAL);
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if (ff_fft_init(&s->fft, nbits-1, trans == IDFT_C2R || trans == IDFT_R2C) < 0)
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return -1;
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if ((ret = ff_fft_init(&s->fft, nbits-1, trans == IDFT_C2R || trans == IDFT_R2C)) < 0)
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return ret;
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ff_init_ff_cos_tabs(nbits);
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s->tcos = ff_cos_tabs[nbits];
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