Merge pull request #1 from ggerganov/gg/wchess

wchess : add clear_audio callback

examples/wchess/CMakeLists.txt

@@ -1,3 +1,4 @@
+set(CMAKE_CXX_STANDARD 11)
 
 add_subdirectory(libwchess)
 
@@ -5,4 +6,4 @@ if (EMSCRIPTEN)
     add_subdirectory(wchess.wasm)
 else()
     add_subdirectory(wchess.cmd)
-endif()
+endif()

examples/wchess/libwchess/WChess.cpp

@@ -48,6 +48,11 @@ bool WChess::check_running() const {
     return false;
 }
 
+bool WChess::clear_audio() const {
+    if (m_cb.clear_audio) return (*m_cb.clear_audio)();
+    return false;
+}
+
 void WChess::get_audio(int ms, std::vector<float>& pcmf32) const {
     if (m_cb.get_audio) (*m_cb.get_audio)(ms, pcmf32);
 }
@@ -195,6 +200,8 @@ void WChess::run() {
                         set_moves(m_board->process(command));
                     }
                 }
+
+                clear_audio();
             }
         }
     }

examples/wchess/libwchess/WChess.h

@@ -12,20 +12,22 @@ public:
     using CheckRunningCb = bool (*)();
     using GetAudioCb = void (*)(int, std::vector<float> &);
     using SetMovesCb = void (*)(const std::string &);
+    using CleartAudioCb = bool (*)();
 
     struct callbacks {
         SetStatusCb set_status = nullptr;
         CheckRunningCb check_running = nullptr;
         GetAudioCb get_audio = nullptr;
         SetMovesCb set_moves = nullptr;
+        CleartAudioCb clear_audio = nullptr;
     };
 
     struct settings {
         int32_t vad_ms     = 2000;
         int32_t prompt_ms  = 5000;
         int32_t command_ms = 4000;
-        float vad_thold    = 0.1f;
+        float vad_thold    = 0.2f;
-        float freq_thold   = -1.0f;
+        float freq_thold   = 100.0f;
         bool print_energy  = false;
     };
 
@@ -44,6 +46,7 @@ private:
     void set_status(const std::string& msg) const;
     void set_moves(const std::string& moves) const;
     bool check_running() const;
+    bool clear_audio() const;
     std::string transcribe(
                     const std::vector<float> & pcmf32,
                     float & logprob_min,

examples/wchess/wchess.cmd/wchess.cmd.cpp

@@ -118,6 +118,10 @@ void get_audio(int ms, std::vector<float> & pcmf32_cur) {
     g_audio.get(ms, pcmf32_cur);
 }
 
+bool clear_audio() {
+    g_audio.clear();
+}
+
 int main(int argc, char ** argv) {
     whisper_params params;
 
@@ -180,6 +184,7 @@ int main(int argc, char ** argv) {
     cb.check_running = sdl_poll_events;
     cb.get_audio = get_audio;
     cb.set_moves = set_moves;
+    cb.clear_audio = clear_audio;
 
     WChess::settings s;
     s.vad_ms = 2000;

examples/wchess/wchess.wasm/wchess.wasm.cpp

@@ -44,10 +44,15 @@ void get_audio(int ms, std::vector<float> & audio) {
 }
 
 bool check_running() {
-    g_pcmf32.clear();
+    //g_pcmf32.clear();
     return g_running;
 }
 
+bool clear_audio() {
+    g_pcmf32.clear();
+    return true;
+}
+
 void wchess_main(size_t i) {
     struct whisper_full_params wparams = whisper_full_default_params(whisper_sampling_strategy::WHISPER_SAMPLING_GREEDY);
 
@@ -81,6 +86,7 @@ void wchess_main(size_t i) {
     cb.check_running = check_running;
     cb.get_audio = get_audio;
     cb.set_moves = set_moves;
+    cb.clear_audio = clear_audio;
 
     WChess(g_contexts[i], wparams, cb, {}).run();
     if (i < g_contexts.size()) {