Blame SOURCES/libsndfile-1.0.31-deb669ee.patch
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diff -up libsndfile-1.0.25/src/ms_adpcm.c.deb669ee libsndfile-1.0.25/src/ms_adpcm.c
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--- libsndfile-1.0.25/src/ms_adpcm.c.deb669ee 2021-07-23 13:20:56.365818063 +0200
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+++ libsndfile-1.0.25/src/ms_adpcm.c 2021-07-23 13:21:08.241674184 +0200
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@@ -140,6 +140,17 @@ wav_w64_msadpcm_init (SF_PRIVATE *psf, i
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if (psf->file.mode == SFM_WRITE)
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samplesperblock = 2 + 2 * (blockalign - 7 * psf->sf.channels) / psf->sf.channels ;
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+ /* There's 7 samples per channel in the preamble of each block */
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+ if (samplesperblock < 7 * psf->sf.channels)
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+ { psf_log_printf (psf, "*** Error samplesperblock (%d) should be >= %d.\n", samplesperblock, 7 * psf->sf.channels) ;
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+ return SFE_INTERNAL ;
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+ } ;
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+
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+ if (2 * blockalign < samplesperblock * psf->sf.channels)
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+ { psf_log_printf (psf, "*** Error blockalign (%d) should be >= %d.\n", blockalign, samplesperblock * psf->sf.channels / 2) ;
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+ return SFE_INTERNAL ;
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+ } ;
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+
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pmssize = sizeof (MSADPCM_PRIVATE) + blockalign + 3 * psf->sf.channels * samplesperblock ;
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if (! (psf->codec_data = calloc (1, pmssize)))
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