encapp: add tests for special inputs

* generate.pbtxt which generates a test src from ffmpeg
* fake_input_buffer.pbtxt and
* fake_input_buffer.twin.pbtxt which generates video in the Android app.

Signed-off-by: Johan Blome <johan@gunhildcarling.net>

Author: JohanBlome

tests/fake_input_buffer.pbtxt

@@ -0,0 +1,24 @@
+# Fake input test for buffer encoder
+# This test uses synthetic data generation for performance testing
+# without filesystem or camera overhead
+
+common: {
+  id: "fake_input_buffer_test"
+  description: "Buffer encoder with fake input for max throughput testing"
+}
+
+input: {
+  filepath: "fake_input"
+  resolution: "1280x720"
+  framerate: 30
+  pix_fmt: nv12
+  playout_frames: 300
+}
+
+configure: {
+  codec: "c2.android.avc.encoder"
+  mime: "video/avc"
+  bitrate: "5000000"
+  framerate: 30
+  i_frame_interval: 1
+}

tests/fake_input_buffer.twin.pbtxt

@@ -0,0 +1,50 @@
+test {
+# Fake input test for buffer encoder
+# This test uses synthetic data generation for performance testing
+# without filesystem or camera overhead
+
+    common: {
+      id: "fake_input_buffer_test_parallell.1"
+      description: "Buffer encoder with fake input for max throughput testing"
+    }
+
+    input: {
+      filepath: "fake_input"
+      resolution: "1280x720"
+      framerate: 30
+      pix_fmt: nv12
+      playout_frames: 300
+    }
+
+    configure: {
+      codec: "c2.android.avc.encoder"
+      mime: "video/avc"
+      bitrate: "5000000"
+      framerate: 30
+      i_frame_interval: 1
+    }
+    parallel {
+        test {
+            common: {
+              id: "fake_input_buffer_test_parallell.2"
+              description: "Buffer encoder with fake input for max throughput testing"
+            }
+
+            input: {
+              filepath: "fake_input"
+              resolution: "1280x720"
+              framerate: 30
+              pix_fmt: nv12
+              playout_frames: 300
+            }
+
+            configure: {
+              codec: "c2.android.avc.encoder"
+              mime: "video/avc"
+              bitrate: "5000000"
+              framerate: 30
+              i_frame_interval: 1
+            }
+        }
+    }
+}

tests/generate.pbtxt

@@ -0,0 +1,19 @@
+test {
+  common {
+    id: "generate_test"
+    description: "Test using generated synthetic input"
+  }
+  input {
+    filepath: "[generate]"
+    resolution: "1280x720"
+    framerate: 30.0
+    pix_fmt: nv12
+    stoptime_sec: 5
+  }
+  configure {
+    codec: "c2.android.avc.encoder"
+    bitrate: "2M"
+    framerate: 30.0
+  }
+}
+