feat: v1.1.0 - Long meeting support, email in history, custom logo

- Add MP3 conversion and chunking for files >18MB
- Support meetings up to 2+ hours
- Add email button directly in history view
- Implement custom logo upload in Settings for white-labeling
- Add read_image_as_base64 Rust command
- Update README with new features and ffmpeg requirement

src-tauri/Cargo.lock

@@ -1741,6 +1741,7 @@ checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
 name = "hearbit-ai"
 version = "0.1.2"
 dependencies = [
+ "base64 0.22.1",
  "chrono",
  "cpal",
  "hound",

src-tauri/Cargo.toml

@@ -37,3 +37,4 @@ url = "2.5"
 lettre = { version = "0.11", features = ["tokio1", "tokio1-native-tls", "builder"] }
 tauri-plugin-log = "2.0.0"
 tauri-plugin-shell = "2.3.4"
+base64 = "0.22"

src-tauri/src/lib.rs

@@ -9,6 +9,7 @@ use std::process::Command;
 use cpal::traits::{DeviceTrait, HostTrait, StreamTrait};
 use std::time::Duration;
 use tokio::time::sleep;
+use base64::Engine;
 
 mod audio_processor;
 use audio_processor::AudioProcessor;
@@ -627,6 +628,118 @@ fn get_audio_metadata(app: AppHandle, file_path: String) -> Result<AudioMetadata
     })
 }
 
+#[tauri::command]
+fn convert_to_mp3(app: AppHandle, wav_path: String) -> Result<String, String> {
+    emit_log(&app, "INFO", &format!("Converting to MP3: {}", wav_path));
+    
+    let mp3_path = wav_path.replace(".wav", ".mp3");
+    
+    let output = Command::new("ffmpeg")
+        .args([
+            "-i", &wav_path,
+            "-codec:a", "libmp3lame",
+            "-b:a", "64k",
+            "-y", // overwrite
+            &mp3_path
+        ])
+        .output()
+        .map_err(|e| format!("Failed to execute ffmpeg: {}", e))?;
+    
+    if output.status.success() {
+        emit_log(&app, "SUCCESS", &format!("MP3 created: {}", mp3_path));
+        Ok(mp3_path)
+    } else {
+        let error = String::from_utf8_lossy(&output.stderr);
+        emit_log(&app, "ERROR", &format!("MP3 conversion failed: {}", error));
+        Err(format!("MP3 conversion failed: {}", error))
+    }
+}
+
+#[tauri::command]
+fn chunk_audio(app: AppHandle, file_path: String, chunk_minutes: u32) -> Result<Vec<String>, String> {
+    emit_log(&app, "INFO", &format!("Chunking audio: {} ({}min chunks)", file_path, chunk_minutes));
+    
+    let chunk_seconds = chunk_minutes * 60;
+    
+    // Get total duration using ffprobe
+    let duration_output = Command::new("ffprobe")
+        .args([
+            "-v", "error",
+            "-show_entries", "format=duration",
+            "-of", "default=noprint_wrappers=1:nokey=1",
+            &file_path
+        ])
+        .output()
+        .map_err(|e| format!("Failed to get duration: {}", e))?;
+    
+    let duration_str = String::from_utf8_lossy(&duration_output.stdout);
+    let duration: f64 = duration_str.trim().parse()
+        .map_err(|_| "Failed to parse duration".to_string())?;
+    
+    let num_chunks = (duration / chunk_seconds as f64).ceil() as usize;
+    emit_log(&app, "INFO", &format!("Total duration: {}s, creating {} chunks", duration, num_chunks));
+    
+    let mut chunk_paths = Vec::new();
+    let base_path = file_path.replace(".mp3", "");
+    
+    for i in 0..num_chunks {
+        let start_time = i as u32 * chunk_seconds;
+        let chunk_path = format!("{}_chunk_{}.mp3", base_path, i);
+        
+        let output = Command::new("ffmpeg")
+            .args([
+                "-i", &file_path,
+                "-ss", &start_time.to_string(),
+                "-t", &chunk_seconds.to_string(),
+                "-c", "copy",
+                "-y",
+                &chunk_path
+            ])
+            .output()
+            .map_err(|e| format!("Failed to create chunk {}: {}", i, e))?;
+        
+        if !output.status.success() {
+            let error = String::from_utf8_lossy(&output.stderr);
+            return Err(format!("Chunk {} failed: {}", i, error));
+        }
+        
+        chunk_paths.push(chunk_path);
+    }
+    
+    emit_log(&app, "SUCCESS", &format!("Created {} chunks", chunk_paths.len()));
+    Ok(chunk_paths)
+}
+
+#[tauri::command]
+fn read_image_as_base64(app: AppHandle, file_path: String) -> Result<String, String> {
+    emit_log(&app, "INFO", &format!("Reading image as base64: {}", file_path));
+    
+    let bytes = std::fs::read(&file_path)
+        .map_err(|e| format!("Failed to read file: {}", e))?;
+    
+    // Detect image type from extension
+    let extension = std::path::Path::new(&file_path)
+        .extension()
+        .and_then(|e| e.to_str())
+        .unwrap_or("png")
+        .to_lowercase();
+    
+    let mime_type = match extension.as_str() {
+        "jpg" | "jpeg" => "image/jpeg",
+        "png" => "image/png",
+        "svg" => "image/svg+xml",
+        "gif" => "image/gif",
+        _ => "image/png"
+    };
+    
+    // Use base64 encoding
+    let base64_str = base64::prelude::BASE64_STANDARD.encode(&bytes);
+    let data_url = format!("data:{};base64,{}", mime_type, base64_str);
+    
+    emit_log(&app, "SUCCESS", &format!("Image converted to base64 ({} bytes)", base64_str.len()));
+    Ok(data_url)
+}
+
 #[tauri::command]
 fn open_audio_midi_setup() -> Result<(), String> {
     Command::new("open")
@@ -781,6 +894,9 @@ pub fn run() {
             save_text_file,
             read_log_file,
             get_audio_metadata,
+            convert_to_mp3,
+            chunk_audio,
+            read_image_as_base64,
             email::send_smtp_email
         ])
         .run(tauri::generate_context!())