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filter-chain: protect against bad values

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This commit is contained in:
Wim Taymans 2021-08-11 14:53:17 +02:00
parent 755eab0cd3
commit ce2b385318
1 changed files with 8 additions and 2 deletions
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10
src/modules/module-filter-chain/builtin_plugin.c
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@ -457,11 +457,16 @@ static void * convolver_instantiate(const struct fc_descriptor * Descriptor,
impl->rate = SampleRate;
if (length == 0)
if (delay < 0)
delay = 0;
if (length <= 0)
length = info.frames;
else
length = SPA_MIN(length, info.frames);
if (offset < 0)
offset = 0;
length -= SPA_MIN(offset, length);
n_frames = delay + length;
@ -473,7 +478,8 @@ static void * convolver_instantiate(const struct fc_descriptor * Descriptor,
if (samples == NULL)
return NULL;
sf_seek(f, offset, SEEK_SET);
if (offset > 0)
sf_seek(f, offset, SEEK_SET);
sf_readf_float(f, samples + (delay * info.channels), length);
channel = channel % info.channels;