Merge pull request #590 from shoamano83/bugfix/video-streaming-codec-specific-data

Bugfix/video streaming codec specific data

1 files changed, 116 insertions, 0 deletions

diff --git a/sdl_android/src/androidTest/java/com/smartdevicelink/test/encoder/EncoderUtilsTest.java b/sdl_android/src/androidTest/java/com/smartdevicelink/test/encoder/EncoderUtilsTest.java
new file mode 100644
index 000000000..083a5dd3f
--- /dev/null
+++ b/sdl_android/src/androidTest/java/com/smartdevicelink/test/encoder/EncoderUtilsTest.java
@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 2017, Xevo Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ *
+ * * Neither the name of the copyright holder nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package com.smartdevicelink.test.encoder;
+
+import android.annotation.TargetApi;
+import android.media.MediaFormat;
+import android.os.Build;
+
+import com.smartdevicelink.encoder.EncoderUtils;
+
+import junit.framework.TestCase;
+
+import java.nio.ByteBuffer;
+import java.util.Arrays;
+
+/**
+ * This is a unit test class for the SmartDeviceLink library project class :
+ * {@link com.smartdevicelink.encoder.EncoderUtils}
+ */
+@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
+public class EncoderUtilsTest extends TestCase {
+    public void testGetCodecSpecificDataWithNull() {
+        byte[] result = EncoderUtils.getCodecSpecificData(null);
+        assertNull(result);
+    }
+
+    public void testGetCodecSpecificDataForAVC() {
+        // example of SPS NAL unit with 4-byte start code
+        byte[] sps = new byte[] {
+                0x00, 0x00, 0x00, 0x01,
+                0x67, 0x42, (byte)0xC0, 0x0A, (byte)0xA6, 0x11, 0x11, (byte)0xE8,
+                0x40, 0x00, 0x00, (byte)0xFA, 0x40, 0x00, 0x3A, (byte)0x98,
+                0x23, (byte)0xC4, (byte)0x89, (byte)0x84, 0x60
+        };
+        // example of PPS NAL unit with 4-byte start code
+        byte[] pps = new byte[] {
+                0x00, 0x00, 0x00, 0x01,
+                0x68, (byte)0xC8, 0x42, 0x0F, 0x13, 0x20
+        };
+
+        ByteBuffer spsByteBuffer = ByteBuffer.allocate(sps.length);
+        spsByteBuffer.put(sps);
+        spsByteBuffer.flip();
+
+        ByteBuffer ppsByteBuffer = ByteBuffer.allocate(pps.length);
+        ppsByteBuffer.put(pps);
+        ppsByteBuffer.flip();
+
+        MediaFormat format = MediaFormat.createVideoFormat("video/avc", 16, 16);
+        format.setByteBuffer("csd-0", spsByteBuffer);
+        format.setByteBuffer("csd-1", ppsByteBuffer);
+
+        byte[] result = EncoderUtils.getCodecSpecificData(format);
+        assertNotNull(result);
+
+        byte[] expected = new byte[sps.length + pps.length];
+        System.arraycopy(sps, 0, expected, 0, sps.length);
+        System.arraycopy(pps, 0, expected, sps.length, pps.length);
+        assertTrue("Output codec specific data doesn't match", Arrays.equals(expected, result));
+    }
+
+    public void testGetCodecSpecificDataWithInvalidAVCData() {
+        // testing an error case when the encoder emits SPS only (which should not happen)
+        byte[] sps = new byte[] {
+                0x00, 0x00, 0x00, 0x01,
+                0x67, 0x42, (byte)0xC0, 0x0A, (byte)0xA6, 0x11, 0x11, (byte)0xE8,
+                0x40, 0x00, 0x00, (byte)0xFA, 0x40, 0x00, 0x3A, (byte)0x98,
+                0x23, (byte)0xC4, (byte)0x89, (byte)0x84, 0x60
+        };
+
+        ByteBuffer spsByteBuffer = ByteBuffer.allocate(sps.length);
+        spsByteBuffer.put(sps);
+        spsByteBuffer.flip();
+
+        MediaFormat format = MediaFormat.createVideoFormat("video/avc", 16, 16);
+        format.setByteBuffer("csd-0", spsByteBuffer);
+        // no PPS
+
+        byte[] result = EncoderUtils.getCodecSpecificData(format);
+        assertNull(result);
+    }
+
+    public void testGetCodecSpecificDataForUnknownCodec() {
+        MediaFormat format = MediaFormat.createVideoFormat("video/raw", 16, 16);
+        byte[] result = EncoderUtils.getCodecSpecificData(format);
+        assertNull("For unsupported codec, getCodecSpecificData should return null", result);
+    }
+}