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...rtsp/src/test/java/com/google/android/exoplayer2/source/rtsp/reader/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 com.google.android.exoplayer2.source.rtsp.reader; | ||
|
|
||
| import static com.google.android.exoplayer2.util.Util.getBytesFromHexString; | ||
| import static com.google.common.truth.Truth.assertThat; | ||
|
|
||
| import androidx.test.ext.junit.runners.AndroidJUnit4; | ||
| import com.google.android.exoplayer2.C; | ||
| import com.google.android.exoplayer2.Format; | ||
| import com.google.android.exoplayer2.source.rtsp.RtpPacket; | ||
| import com.google.android.exoplayer2.source.rtsp.RtpPayloadFormat; | ||
| import com.google.android.exoplayer2.testutil.FakeExtractorOutput; | ||
| import com.google.android.exoplayer2.testutil.FakeTrackOutput; | ||
| import com.google.android.exoplayer2.util.MimeTypes; | ||
| import com.google.android.exoplayer2.util.ParsableByteArray; | ||
| import com.google.android.exoplayer2.util.Util; | ||
| import com.google.common.collect.ImmutableMap; | ||
| import com.google.common.primitives.Bytes; | ||
| import java.util.Arrays; | ||
| import org.junit.Before; | ||
| import org.junit.Test; | ||
| import org.junit.runner.RunWith; | ||
|
|
||
| /** Unit test for {@link RtpVp8Reader}. */ | ||
| @RunWith(AndroidJUnit4.class) | ||
| public final class RtpVp8ReaderTest { | ||
|
|
||
| /** VP9 uses a 90 KHz media clock (RFC7741 Section 4.1). */ | ||
| private static final long MEDIA_CLOCK_FREQUENCY = 90_000; | ||
|
|
||
| private static final byte[] PARTITION_1 = getBytesFromHexString("000102030405060708090A0B0C0D0E"); | ||
| // 000102030405060708090A | ||
| private static final byte[] PARTITION_1_FRAGMENT_1 = | ||
| Arrays.copyOf(PARTITION_1, /* newLength= */ 11); | ||
| // 0B0C0D0E | ||
| private static final byte[] PARTITION_1_FRAGMENT_2 = | ||
| Arrays.copyOfRange(PARTITION_1, /* from= */ 11, /* to= */ 15); | ||
| private static final long PARTITION_1_RTP_TIMESTAMP = 2599168056L; | ||
| private static final RtpPacket PACKET_PARTITION_1_FRAGMENT_1 = | ||
| new RtpPacket.Builder() | ||
| .setTimestamp(PARTITION_1_RTP_TIMESTAMP) | ||
| .setSequenceNumber(40289) | ||
| .setMarker(false) | ||
| .setPayloadData(Bytes.concat(getBytesFromHexString("10"), PARTITION_1_FRAGMENT_1)) | ||
| .build(); | ||
| private static final RtpPacket PACKET_PARTITION_1_FRAGMENT_2 = | ||
| new RtpPacket.Builder() | ||
| .setTimestamp(PARTITION_1_RTP_TIMESTAMP) | ||
| .setSequenceNumber(40290) | ||
| .setMarker(false) | ||
| .setPayloadData(Bytes.concat(getBytesFromHexString("00"), PARTITION_1_FRAGMENT_2)) | ||
| .build(); | ||
|
|
||
| private static final byte[] PARTITION_2 = getBytesFromHexString("0D0C0B0A09080706050403020100"); | ||
| // 0D0C0B0A090807060504 | ||
| private static final byte[] PARTITION_2_FRAGMENT_1 = | ||
| Arrays.copyOf(PARTITION_2, /* newLength= */ 10); | ||
| // 03020100 | ||
| private static final byte[] PARTITION_2_FRAGMENT_2 = | ||
| Arrays.copyOfRange(PARTITION_2, /* from= */ 10, /* to= */ 14); | ||
| private static final long PARTITION_2_RTP_TIMESTAMP = 2599168344L; | ||
| private static final RtpPacket PACKET_PARTITION_2_FRAGMENT_1 = | ||
| new RtpPacket.Builder() | ||
| .setTimestamp(PARTITION_2_RTP_TIMESTAMP) | ||
| .setSequenceNumber(40291) | ||
| .setMarker(false) | ||
| .setPayloadData(Bytes.concat(getBytesFromHexString("10"), PARTITION_2_FRAGMENT_1)) | ||
| .build(); | ||
| private static final RtpPacket PACKET_PARTITION_2_FRAGMENT_2 = | ||
| new RtpPacket.Builder() | ||
| .setTimestamp(PARTITION_2_RTP_TIMESTAMP) | ||
| .setSequenceNumber(40292) | ||
| .setMarker(true) | ||
| .setPayloadData( | ||
| Bytes.concat( | ||
| getBytesFromHexString("80"), | ||
| // Optional header. | ||
| getBytesFromHexString("D6AA953961"), | ||
| PARTITION_2_FRAGMENT_2)) | ||
| .build(); | ||
| private static final long PARTITION_2_PRESENTATION_TIMESTAMP_US = | ||
| Util.scaleLargeTimestamp( | ||
| (PARTITION_2_RTP_TIMESTAMP - PARTITION_1_RTP_TIMESTAMP), | ||
| /* multiplier= */ C.MICROS_PER_SECOND, | ||
| /* divisor= */ MEDIA_CLOCK_FREQUENCY); | ||
|
|
||
| private FakeExtractorOutput extractorOutput; | ||
|
|
||
| @Before | ||
| public void setUp() { | ||
| extractorOutput = | ||
| new FakeExtractorOutput( | ||
| (id, type) -> new FakeTrackOutput(/* deduplicateConsecutiveFormats= */ true)); | ||
| } | ||
|
|
||
| @Test | ||
| public void consume_validPackets() { | ||
| RtpVp8Reader vp8Reader = createVp8Reader(); | ||
|
|
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| vp8Reader.createTracks(extractorOutput, /* trackId= */ 0); | ||
| vp8Reader.onReceivingFirstPacket( | ||
| PACKET_PARTITION_1_FRAGMENT_1.timestamp, PACKET_PARTITION_1_FRAGMENT_1.sequenceNumber); | ||
| consume(vp8Reader, PACKET_PARTITION_1_FRAGMENT_1); | ||
| consume(vp8Reader, PACKET_PARTITION_1_FRAGMENT_2); | ||
| consume(vp8Reader, PACKET_PARTITION_2_FRAGMENT_1); | ||
| consume(vp8Reader, PACKET_PARTITION_2_FRAGMENT_2); | ||
|
|
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| FakeTrackOutput trackOutput = extractorOutput.trackOutputs.get(0); | ||
| assertThat(trackOutput.getSampleCount()).isEqualTo(2); | ||
| assertThat(trackOutput.getSampleData(0)).isEqualTo(PARTITION_1); | ||
| assertThat(trackOutput.getSampleTimeUs(0)).isEqualTo(0); | ||
| assertThat(trackOutput.getSampleData(1)).isEqualTo(PARTITION_2); | ||
| assertThat(trackOutput.getSampleTimeUs(1)).isEqualTo(PARTITION_2_PRESENTATION_TIMESTAMP_US); | ||
| } | ||
|
|
||
| @Test | ||
| public void consume_fragmentedFrameMissingFirstFragment() { | ||
| RtpVp8Reader vp8Reader = createVp8Reader(); | ||
|
|
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| vp8Reader.createTracks(extractorOutput, /* trackId= */ 0); | ||
| // First packet timing information is transmitted over RTSP, not RTP. | ||
| vp8Reader.onReceivingFirstPacket( | ||
| PACKET_PARTITION_1_FRAGMENT_1.timestamp, PACKET_PARTITION_1_FRAGMENT_1.sequenceNumber); | ||
| consume(vp8Reader, PACKET_PARTITION_1_FRAGMENT_2); | ||
| consume(vp8Reader, PACKET_PARTITION_2_FRAGMENT_1); | ||
| consume(vp8Reader, PACKET_PARTITION_2_FRAGMENT_2); | ||
|
|
||
| FakeTrackOutput trackOutput = extractorOutput.trackOutputs.get(0); | ||
| assertThat(trackOutput.getSampleCount()).isEqualTo(1); | ||
| assertThat(trackOutput.getSampleData(0)).isEqualTo(PARTITION_2); | ||
| assertThat(trackOutput.getSampleTimeUs(0)).isEqualTo(PARTITION_2_PRESENTATION_TIMESTAMP_US); | ||
| } | ||
|
|
||
| @Test | ||
| public void consume_fragmentedFrameMissingBoundaryFragment() { | ||
| RtpVp8Reader vp8Reader = createVp8Reader(); | ||
|
|
||
| vp8Reader.createTracks(extractorOutput, /* trackId= */ 0); | ||
| vp8Reader.onReceivingFirstPacket( | ||
| PACKET_PARTITION_1_FRAGMENT_1.timestamp, PACKET_PARTITION_1_FRAGMENT_1.sequenceNumber); | ||
| consume(vp8Reader, PACKET_PARTITION_1_FRAGMENT_1); | ||
| consume(vp8Reader, PACKET_PARTITION_2_FRAGMENT_1); | ||
| consume(vp8Reader, PACKET_PARTITION_2_FRAGMENT_2); | ||
|
|
||
| FakeTrackOutput trackOutput = extractorOutput.trackOutputs.get(0); | ||
| assertThat(trackOutput.getSampleCount()).isEqualTo(2); | ||
| assertThat(trackOutput.getSampleData(0)).isEqualTo(PARTITION_1_FRAGMENT_1); | ||
| assertThat(trackOutput.getSampleTimeUs(0)).isEqualTo(0); | ||
| assertThat(trackOutput.getSampleData(1)).isEqualTo(PARTITION_2); | ||
| assertThat(trackOutput.getSampleTimeUs(1)).isEqualTo(PARTITION_2_PRESENTATION_TIMESTAMP_US); | ||
| } | ||
|
|
||
| @Test | ||
| public void consume_outOfOrderFragmentedFrame() { | ||
| RtpVp8Reader vp8Reader = createVp8Reader(); | ||
|
|
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| vp8Reader.createTracks(extractorOutput, /* trackId= */ 0); | ||
| vp8Reader.onReceivingFirstPacket( | ||
| PACKET_PARTITION_1_FRAGMENT_1.timestamp, PACKET_PARTITION_1_FRAGMENT_1.sequenceNumber); | ||
| consume(vp8Reader, PACKET_PARTITION_1_FRAGMENT_1); | ||
| consume(vp8Reader, PACKET_PARTITION_2_FRAGMENT_1); | ||
| consume(vp8Reader, PACKET_PARTITION_1_FRAGMENT_2); | ||
| consume(vp8Reader, PACKET_PARTITION_2_FRAGMENT_2); | ||
|
|
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| FakeTrackOutput trackOutput = extractorOutput.trackOutputs.get(0); | ||
| assertThat(trackOutput.getSampleCount()).isEqualTo(2); | ||
| assertThat(trackOutput.getSampleData(0)).isEqualTo(PARTITION_1_FRAGMENT_1); | ||
| assertThat(trackOutput.getSampleTimeUs(0)).isEqualTo(0); | ||
| assertThat(trackOutput.getSampleData(1)).isEqualTo(PARTITION_2); | ||
| assertThat(trackOutput.getSampleTimeUs(1)).isEqualTo(PARTITION_2_PRESENTATION_TIMESTAMP_US); | ||
| } | ||
|
|
||
| private static RtpVp8Reader createVp8Reader() { | ||
| return new RtpVp8Reader( | ||
| new RtpPayloadFormat( | ||
| new Format.Builder().setSampleMimeType(MimeTypes.VIDEO_VP8).build(), | ||
| /* rtpPayloadType= */ 96, | ||
| /* clockRate= */ (int) MEDIA_CLOCK_FREQUENCY, | ||
| /* fmtpParameters= */ ImmutableMap.of())); | ||
| } | ||
|
|
||
| private static void consume(RtpVp8Reader vp8Reader, RtpPacket rtpPacket) { | ||
| vp8Reader.consume( | ||
| new ParsableByteArray(rtpPacket.payloadData), | ||
| rtpPacket.timestamp, | ||
| rtpPacket.sequenceNumber, | ||
| rtpPacket.marker); | ||
| } | ||
| } |