diff options
Diffstat (limited to 'src/tangara/audio/resample.cpp')
| -rw-r--r-- | src/tangara/audio/resample.cpp | 18 |
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 |
