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Ensure full buffer provision.

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This commit is contained in:
Thomas Harte 2021-12-02 12:52:43 -05:00
parent 06b6f85d55
commit 3a26f6b8bf
1 changed files with 9 additions and 2 deletions
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11
Outputs/Speaker/Implementation/LowpassSpeaker.hpp
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@ -305,8 +305,9 @@ template <bool is_stereo> class PushLowpass: public LowpassBase<PushLowpass<is_s
} }
void get_samples(size_t length, int16_t *target) { void get_samples(size_t length, int16_t *target) {
memcpy(target, buffer_, length); const auto word_length = length * (1 + is_stereo);
buffer_ += length; memcpy(target, buffer_, word_length * sizeof(int16_t));
buffer_ += word_length;
} }
public: public:
@ -320,10 +321,16 @@ template <bool is_stereo> class PushLowpass: public LowpassBase<PushLowpass<is_s
/*! /*!
Filters and posts onward the provided buffer, on the calling thread. Filters and posts onward the provided buffer, on the calling thread.
@param buffer The source for samples.
@param length The number of samples provided; in mono this will be the number of int16_ts
it is safe to read from @c buffer, and in stereo it will be half the number — it is a count
of the number of time points at which audio was sampled.
*/ */
void push(const int16_t *buffer, size_t length) { void push(const int16_t *buffer, size_t length) {
buffer_ = buffer; buffer_ = buffer;
process(length); process(length);
assert(buffer_ == buffer + (length * (1 + is_stereo)));
} }
}; };