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# Firefox-local: drop the vendored dr_wav.h dependency. Firefox only feeds
# PCM directly into the model (parakeet_capi_transcribe_pcm*); the WAV-file
# loading path (transcribe_path*) is unused, so avoid vendoring the large
# dr_wav.h single-header library for it.
#
--- a/src/audio_io.cpp
+++ b/src/audio_io.cpp
@@ -1,5 +1,3 @@
-#define DR_WAV_IMPLEMENTATION
-#include "dr_wav.h"
#include "audio_io.hpp"
#include "common.hpp"
#include <cmath>
@@ -23,18 +21,10 @@
}
bool load_audio_16k_mono(const std::string& path, Audio& out) {
- unsigned int ch = 0, sr = 0; drwav_uint64 frames = 0;
- float* pcm = drwav_open_file_and_read_pcm_frames_f32(path.c_str(), &ch, &sr, &frames, nullptr);
- if (!pcm) { PK_LOG("failed to open wav: %s", path.c_str()); return false; }
- std::vector<float> mono(frames);
- for (drwav_uint64 i = 0; i < frames; ++i) {
- double acc = 0; for (unsigned int c = 0; c < ch; ++c) acc += pcm[i*ch + c];
- mono[i] = (float)(acc / (ch ? ch : 1));
- }
- drwav_free(pcm, nullptr);
- out.samples = resample_linear(mono, (int)sr, 16000);
- out.sample_rate = 16000;
- return true;
+ // Firefox-local: dr_wav.h is not vendored, so WAV-file loading is
+ // unsupported here. Firefox only feeds PCM directly (transcribe_pcm*).
+ PK_LOG("load_audio_16k_mono: WAV file loading not supported in this build: %s", path.c_str());
+ return false;
}
} // namespace pk