/
RtpVp8ReaderTest.java
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/
RtpVp8ReaderTest.java
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/*
* Copyright 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.media3.exoplayer.rtsp.reader;
import static androidx.media3.common.util.Util.getBytesFromHexString;
import static com.google.common.truth.Truth.assertThat;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.Mockito.when;
import androidx.media3.common.Format;
import androidx.media3.common.MimeTypes;
import androidx.media3.common.util.ParsableByteArray;
import androidx.media3.exoplayer.rtsp.RtpPacket;
import androidx.media3.exoplayer.rtsp.RtpPayloadFormat;
import androidx.media3.extractor.ExtractorOutput;
import androidx.media3.test.utils.FakeTrackOutput;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import com.google.common.collect.ImmutableMap;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnit;
import org.mockito.junit.MockitoRule;
/**
* Unit test for {@link RtpVp8Reader}.
*/
@RunWith(AndroidJUnit4.class)
public final class RtpVp8ReaderTest {
private final RtpPacket frame1fragment1 =
createRtpPacket(
/* timestamp= */ 2599168056L,
/* sequenceNumber= */ 40289,
/* marker= */ false,
/* payloadData= */ getBytesFromHexString("10000102030405060708090A"));
private final RtpPacket frame1fragment2 =
createRtpPacket(
/* timestamp= */ 2599168056L,
/* sequenceNumber= */ 40290,
/* marker= */ true,
/* payloadData= */ getBytesFromHexString("000B0C0D0E"));
private final byte[] frame1Data = getBytesFromHexString("000102030405060708090A0B0C0D0E");
private final RtpPacket frame2fragment1 =
createRtpPacket(
/* timestamp= */ 2599168344L,
/* sequenceNumber= */ 40291,
/* marker= */ false,
/* payloadData= */ getBytesFromHexString("100D0C0B0A090807060504"));
// Add optional headers
private final RtpPacket frame2fragment2 =
createRtpPacket(
/* timestamp= */ 2599168344L,
/* sequenceNumber= */ 40292,
/* marker= */ true,
/* payloadData= */ getBytesFromHexString("80D6AA95396103020100"));
private final byte[] frame2Data = getBytesFromHexString("0D0C0B0A09080706050403020100");
private static final RtpPayloadFormat VP8_FORMAT =
new RtpPayloadFormat(
new Format.Builder()
.setSampleMimeType(MimeTypes.VIDEO_VP8)
.build(),
/* rtpPayloadType= */ 97,
/* clockRate= */ 90_000,
/* fmtpParameters= */ ImmutableMap.of());
@Rule
public final MockitoRule mockito = MockitoJUnit.rule();
private ParsableByteArray packetData;
private RtpVp8Reader vp8Reader;
private FakeTrackOutput trackOutput;
@Mock
private ExtractorOutput extractorOutput;
@Before
public void setUp() {
packetData = new ParsableByteArray();
trackOutput = new FakeTrackOutput(/* deduplicateConsecutiveFormats= */ true);
when(extractorOutput.track(anyInt(), anyInt())).thenReturn(trackOutput);
vp8Reader = new RtpVp8Reader(VP8_FORMAT);
vp8Reader.createTracks(extractorOutput, /* trackId= */ 0);
}
@Test
public void consume_validPackets() {
vp8Reader.onReceivingFirstPacket(frame1fragment1.timestamp, frame1fragment1.sequenceNumber);
consume(frame1fragment1);
consume(frame1fragment2);
consume(frame2fragment1);
consume(frame2fragment2);
assertThat(trackOutput.getSampleCount()).isEqualTo(2);
assertThat(trackOutput.getSampleData(0)).isEqualTo(frame1Data);
assertThat(trackOutput.getSampleTimeUs(0)).isEqualTo(0);
assertThat(trackOutput.getSampleData(1)).isEqualTo(frame2Data);
assertThat(trackOutput.getSampleTimeUs(1)).isEqualTo(3200);
}
@Test
public void consume_fragmentedFrameMissingFirstFragment() {
// First packet timing information is transmitted over RTSP, not RTP.
vp8Reader.onReceivingFirstPacket(frame1fragment1.timestamp, frame1fragment1.sequenceNumber);
consume(frame1fragment2);
consume(frame2fragment1);
consume(frame2fragment2);
assertThat(trackOutput.getSampleCount()).isEqualTo(1);
assertThat(trackOutput.getSampleData(0)).isEqualTo(frame2Data);
assertThat(trackOutput.getSampleTimeUs(0)).isEqualTo(3200);
}
@Test
public void consume_fragmentedFrameMissingBoundaryFragment() {
vp8Reader.onReceivingFirstPacket(frame1fragment1.timestamp, frame1fragment1.sequenceNumber);
consume(frame1fragment1);
consume(frame2fragment1);
consume(frame2fragment2);
assertThat(trackOutput.getSampleCount()).isEqualTo(2);
assertThat(trackOutput.getSampleData(0))
.isEqualTo(getBytesFromHexString("000102030405060708090A"));
assertThat(trackOutput.getSampleTimeUs(0)).isEqualTo(0);
assertThat(trackOutput.getSampleData(1)).isEqualTo(frame2Data);
assertThat(trackOutput.getSampleTimeUs(1)).isEqualTo(3200);
}
@Test
public void consume_outOfOrderFragmentedFrame() {
vp8Reader.onReceivingFirstPacket(frame1fragment1.timestamp, frame1fragment1.sequenceNumber);
consume(frame1fragment1);
consume(frame2fragment1);
consume(frame1fragment2);
consume(frame2fragment2);
assertThat(trackOutput.getSampleCount()).isEqualTo(2);
assertThat(trackOutput.getSampleData(0))
.isEqualTo(getBytesFromHexString("000102030405060708090A"));
assertThat(trackOutput.getSampleTimeUs(0)).isEqualTo(0);
assertThat(trackOutput.getSampleData(1)).isEqualTo(frame2Data);
assertThat(trackOutput.getSampleTimeUs(1)).isEqualTo(3200);
}
private static RtpPacket createRtpPacket(
long timestamp, int sequenceNumber, boolean marker, byte[] payloadData) {
return new RtpPacket.Builder()
.setTimestamp((int) timestamp)
.setSequenceNumber(sequenceNumber)
.setMarker(marker)
.setPayloadData(payloadData)
.build();
}
private void consume(RtpPacket rtpPacket) {
packetData.reset(rtpPacket.payloadData);
vp8Reader.consume(
packetData,
rtpPacket.timestamp,
rtpPacket.sequenceNumber,
/* isFrameBoundary= */ rtpPacket.marker);
}
}