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| author | Ron Economos <w6rz@comcast.net> | 2020-09-23 21:13:12 -0700 |
|---|---|---|
| committer | mormj <34754695+mormj@users.noreply.github.com> | 2020-09-25 06:19:11 -0400 |
| commit | 8f3d61984ecd9ecc97789a174a54c7f0505bddb4 (patch) | |
| tree | 994b9372e582a1f8f7e7ef91ccab524e3e0672b5 /gr-blocks/lib/wavfile_sink_impl.h | |
| parent | 1247d48d5416e0f62147f26907bd6c6f76fc2a31 (diff) | |
gr-blocks: Fix wavfile sink and source block performance issues.
Calling libsndfile sf_read/write_float() for every sample created
too much overhead. sf_read/write_float() is now called every 1024
samples for the wavfile source block and every 8192 samples for
the wavfile sink block.
Diffstat (limited to 'gr-blocks/lib/wavfile_sink_impl.h')
| -rw-r--r-- | gr-blocks/lib/wavfile_sink_impl.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gr-blocks/lib/wavfile_sink_impl.h b/gr-blocks/lib/wavfile_sink_impl.h index c837592ad9..48cf81b7f0 100644 --- a/gr-blocks/lib/wavfile_sink_impl.h +++ b/gr-blocks/lib/wavfile_sink_impl.h @@ -29,12 +29,16 @@ private: float d_min_sample_val; float d_normalize_shift; float d_normalize_fac; + std::vector<float> d_buffer; SNDFILE* d_fp; SNDFILE* d_new_fp; bool d_updated; boost::mutex d_mutex; + static constexpr int s_items_size = 8192; + static constexpr int s_max_channels = 24; + /*! * \brief If any file changes have occurred, update now. This is called * internally by work() and thus doesn't usually need to be called by |