update readme

Author: maxnut

README.md

@@ -5,6 +5,9 @@ A mod that lets developers easily interact with ffmpeg to record raw videos, and
 
 ### Record videos
 
+<details>
+  <summary>Normal API</summary>
+
 ```cpp
 #include <eclipse.ffmpeg-api/include/recorder.hpp>
 
@@ -35,8 +38,48 @@ void video() {
 }
 ```
 
+</details>
+
+<details>
+  <summary>Event-based API</summary>
+
+```cpp
+#include <events.hpp>
+
+void video() {
+    ffmpeg::events::Recorder recorder;
+
+    ffmpeg::RenderSettings settings;
+
+    //ffmpeg-api will automatically handle conversion between the input pixel
+    //format and the codec's pixel format
+    settings.m_pixelFormat = PixelFormat::RGB0;
+    settings.m_codec = "h264_nvenc"; //fetch codecs using recorder.getAvailableCodecs()
+    settings.m_bitrate = 30000000;
+    settings.m_width = 1920;
+    settings.m_height = 1080;
+    settings.m_fps = 60;
+    settings.m_outputFile = "output_video.mp4";
+
+    //insert your raw data here
+    std::vector<uint8_t> frame;
+
+    recorder.init(settings);
+
+    for(int i = 0; i < 60; i++)
+        recorder.writeFrame(frame);
+
+    recorder.stop();
+}
+```
+
+</details>
+
 ### Mix audio
 
+<details>
+  <summary>Normal API</summary>
+
 ```cpp
 #include <eclipse.ffmpeg-api/include/audio_mixer.hpp>
 
@@ -51,10 +94,35 @@ void audioRaw() {
 
     //insert your raw data here
     std::vector<float> raw;
-    mixer.mixVideoRaw("video.mp4", raw, "output_raw.mp4", 44100);
+    mixer.mixVideoRaw("video.mp4", raw, "output_raw.mp4");
 }
 ```
 
+</details>
+
+<details>
+  <summary>Event-based API</summary>
+
+```cpp
+#include <events.hpp>
+
+void audioFile() {
+    ffmpeg::events::AudioMixer mixer;
+    mixer.mixVideoAudio("video.mp4", "audio.mp3", "output_mp3.mp4");
+    mixer.mixVideoAudio("video.mp4", "audio.wav", "output_wav.mp4");
+}
+
+void audioRaw() {
+    ffmpeg::events::AudioMixer mixer;
+
+    //insert your raw data here
+    std::vector<float> raw;
+    mixer.mixVideoRaw("video.mp4", raw, "output_raw.mp4");
+}
+```
+
+</details>
+
 ## Build instructions
 ### Windows
 To get the needed libraries on Windows, you can use vcpkg: