Update and add example for Mp4Writer<W>.into_writer.

examples/mp4writer.rs

@@ -0,0 +1,24 @@
+use mp4::{Mp4Config, Mp4Writer};
+use std::io::Cursor;
+
+fn main() -> mp4::Result<()> {
+    let config = Mp4Config {
+        major_brand: str::parse("isom").unwrap(),
+        minor_version: 512,
+        compatible_brands: vec![
+            str::parse("isom").unwrap(),
+            str::parse("iso2").unwrap(),
+            str::parse("avc1").unwrap(),
+            str::parse("mp41").unwrap(),
+        ],
+        timescale: 1000,
+    };
+
+    let data = Cursor::new(Vec::<u8>::new());
+    let mut writer = Mp4Writer::write_start(data, &config)?;
+    writer.write_end()?;
+
+    let data: Vec<u8> = writer.into_writer().into_inner();
+    println!("{:?}", data);
+    Ok(())
+}

src/writer.rs

@@ -36,13 +36,13 @@ impl<W> Mp4Writer<W> {
     ///
     /// # fn main() -> mp4::Result<()> {
     /// let config = Mp4Config {
-    ///     major_brand: "isom / 0x69736F6D".into(),
+    ///     major_brand: str::parse("isom").unwrap(),
     ///     minor_version: 512,
     ///     compatible_brands: vec![
-    ///         "isom".into(),
+    ///         str::parse("isom").unwrap(),
-    ///         "iso2".into(),
+    ///         str::parse("iso2").unwrap(),
-    ///         "avc1".into(),
+    ///         str::parse("avc1").unwrap(),
-    ///         "mp41".into(),
+    ///         str::parse("mp41").unwrap(),
     ///     ],
     ///     timescale: 1000,
     /// };