Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Update VP8 Reader to handle missing frames/fragments. Change-Id: I9eede8f1e3a20fb0ff2e7add0dfc60f0780ec769
- Loading branch information
1 parent
ff3d7df
commit 1de4ee3
Showing
2 changed files
with
219 additions
and
21 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
180 changes: 180 additions & 0 deletions
180
.../exoplayer_rtsp/src/test/java/androidx/media3/exoplayer/rtsp/reader/RtpVp8ReaderTest.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,180 @@ | ||
| /* | ||
| * 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) | ||
| .setSampleRate(500000) | ||
| .build(), | ||
| /* rtpPayloadType= */ 97, | ||
| /* clockRate= */ 48_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); | ||
| } | ||
| } |