Log av_write_frame failure

Refs #2218 <https://github.com/Genymobile/scrcpy/issues/2218>

BUILD.md

@@ -33,6 +33,12 @@ git pull
 ./install_release.sh
 ```
 
+To uninstall:
+
+```bash
+sudo ninja -Cbuild-auto uninstall
+```
+
 
 ## Branches
 
@@ -295,11 +301,16 @@ After a successful build, you can install _scrcpy_ on the system:
 sudo ninja -Cx install    # without sudo on Windows
 ```
 
-This installs two files:
+This installs three files:
 
  - `/usr/local/bin/scrcpy`
  - `/usr/local/share/scrcpy/scrcpy-server`
-
-Just remove them to "uninstall" the application.
+ - `/usr/local/share/man/man1/scrcpy.1`
 
 You can then [run](README.md#run) _scrcpy_.
+
+### Uninstall
+
+```bash
+sudo ninja -Cx uninstall  # without sudo on Windows
+```

app/src/recorder.c

@@ -252,7 +252,13 @@ recorder_write(struct recorder *recorder, AVPacket *packet) {
     }
 
     recorder_rescale_packet(recorder, packet);
-    return av_write_frame(recorder->ctx, packet) >= 0;
+    int ret = av_write_frame(recorder->ctx, packet);
+    if (ret < 0) {
+        LOGE("Could not write frame: %d\n", ret);
+        return false;
+    }
+
+    return true;
 }
 
 static int