talk.wasm : update video link + some minor fixes

examples/talk.wasm/emscripten.cpp

@@ -135,11 +135,9 @@ void talk_main(size_t index) {
 
         talk_set_status("processing ...");
 
-        g_force_speak = false;
-
         t_last = t_now;
 
-        {
+        if (!g_force_speak) {
             const auto t_start = std::chrono::high_resolution_clock::now();
 
             int ret = whisper_full(ctx, wparams, pcmf32.data(), pcmf32.size());
@@ -156,6 +154,7 @@ void talk_main(size_t index) {
         {
             std::string text_heard;
 
+            if (!g_force_speak) {
                 const int n_segments = whisper_full_n_segments(ctx);
                 for (int i = n_segments - 1; i < n_segments; ++i) {
                     const char * text = whisper_full_get_segment_text(ctx, i);
@@ -167,6 +166,9 @@ void talk_main(size_t index) {
 
                     text_heard += text;
                 }
+            }
+
+            g_force_speak = false;
 
             // remove text between brackets using regex
             {

examples/talk.wasm/gpt-2.cpp

@@ -812,9 +812,9 @@ I'm fine, thanks. How are you?
 Thanks, I'm fine too. What are you doing?
 I'm just sitting here.
 It's a lovely day, isn't it?
-Yes, it is.
+Yes, it is. I love the weather this time of year.
-Did you know that I'm a robot?
+I wish it would rain a little bit.
-I wasn't aware of that.
+Me too.
 )";
 
     std::mt19937 rng;

examples/talk.wasm/index-tmpl.html

@@ -143,7 +143,7 @@
 
             <br><br>
 
-            Here is a short video of the demo in action: <a href="https://youtu.be/2om-7tFMaNs">https://youtu.be/2om-7tFMaNs</a>
+            Here is a short video of the demo in action: <a href="https://youtu.be/LeWKl8t1-Hc">https://youtu.be/LeWKl8t1-Hc</a>
 
             <br><br>
 
@@ -507,7 +507,7 @@
                     context = new AudioContext({
                         sampleRate: 16000,
                         channelCount: 1,
-                        echoCancellation: true,
+                        echoCancellation: false,
                         autoGainControl:  true,
                         noiseSuppression: true,
                     });