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-rw-r--r--src/tangara/audio/resample.cpp18
1 files changed, 13 insertions, 5 deletions
diff --git a/src/tangara/audio/resample.cpp b/src/tangara/audio/resample.cpp
index 143ce230..d6369022 100644
--- a/src/tangara/audio/resample.cpp
+++ b/src/tangara/audio/resample.cpp
@@ -4,6 +4,7 @@
* SPDX-License-Identifier: GPL-3.0-only
*/
#include "audio/resample.hpp"
+#include <stdint.h>
#include <algorithm>
#include <cmath>
@@ -31,6 +32,7 @@ Resampler::Resampler(uint32_t source_sample_rate,
kQuality,
&err_)),
num_channels_(num_channels) {
+ speex_resampler_skip_zeros(resampler_);
assert(err_ == 0);
}
@@ -38,18 +40,24 @@ Resampler::~Resampler() {
speex_resampler_destroy(resampler_);
}
+auto Resampler::sourceRate() -> uint32_t {
+ uint32_t input = 0;
+ uint32_t output = 0;
+ speex_resampler_get_rate(resampler_, &input, &output);
+ return input;
+}
+
auto Resampler::Process(std::span<sample::Sample> input,
std::span<sample::Sample> output,
bool end_of_data) -> std::pair<size_t, size_t> {
- uint32_t samples_used = input.size() / num_channels_;
- uint32_t samples_produced = output.size() / num_channels_;
+ uint32_t frames_used = input.size() / num_channels_;
+ uint32_t frames_produced = output.size() / num_channels_;
int err = speex_resampler_process_interleaved_int(
- resampler_, input.data(), &samples_used, output.data(),
- &samples_produced);
+ resampler_, input.data(), &frames_used, output.data(), &frames_produced);
assert(err == 0);
- return {samples_used * num_channels_, samples_produced * num_channels_};
+ return {frames_used * num_channels_, frames_produced * num_channels_};
}
} // namespace audio