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Merge pull request #119 from ittiam-systems:rtp_h263_test_and_fix
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222
...exoplayer_rtsp/src/test/java/androidx/media3/exoplayer/rtsp/reader/RtpH263ReaderTest.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 androidx.media3.common.C; | ||
| import androidx.media3.common.Format; | ||
| import androidx.media3.common.MimeTypes; | ||
| import androidx.media3.common.util.ParsableByteArray; | ||
| import androidx.media3.common.util.Util; | ||
| import androidx.media3.exoplayer.rtsp.RtpPacket; | ||
| import androidx.media3.exoplayer.rtsp.RtpPayloadFormat; | ||
| import androidx.media3.test.utils.FakeExtractorOutput; | ||
| import androidx.media3.test.utils.FakeTrackOutput; | ||
| import androidx.test.ext.junit.runners.AndroidJUnit4; | ||
| 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 RtpH263Reader}. */ | ||
| @RunWith(AndroidJUnit4.class) | ||
| public final class RtpH263ReaderTest { | ||
|
|
||
| private static final long MEDIA_CLOCK_FREQUENCY = 90_000; | ||
|
|
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| private static final byte[] FRAME_1_FRAGMENT_1_DATA = | ||
| getBytesFromHexString("80020c0419b7b7d9591f03023e0c37b"); | ||
| private static final long PARTITION_1_RTP_TIMESTAMP = 2599168056L; | ||
| private static final RtpPacket PACKET_FRAME_1_FRAGMENT_1 = | ||
| new RtpPacket.Builder() | ||
| .setTimestamp(PARTITION_1_RTP_TIMESTAMP) | ||
| .setSequenceNumber(40289) | ||
| .setMarker(false) | ||
| .setPayloadData( | ||
| Bytes.concat( | ||
| /*payload header */ getBytesFromHexString("0400"), FRAME_1_FRAGMENT_1_DATA)) | ||
| .build(); | ||
| private static final byte[] FRAME_1_FRAGMENT_2_DATA = | ||
| getBytesFromHexString("03140e0e77d5e83021a0c37"); | ||
| private static final RtpPacket PACKET_FRAME_1_FRAGMENT_2 = | ||
| new RtpPacket.Builder() | ||
| .setTimestamp(PARTITION_1_RTP_TIMESTAMP) | ||
| .setSequenceNumber(40290) | ||
| .setMarker(true) | ||
| .setPayloadData( | ||
| Bytes.concat( | ||
| /*payload header */ getBytesFromHexString("0000"), FRAME_1_FRAGMENT_2_DATA)) | ||
| .build(); | ||
| // Needs to add 0000 to byte stream, refer to RFC4629 Section 6.1.1. | ||
| private static final byte[] FRAME_1_DATA = | ||
| Bytes.concat(getBytesFromHexString("0000"), FRAME_1_FRAGMENT_1_DATA, FRAME_1_FRAGMENT_2_DATA); | ||
|
|
||
| private static final byte[] FRAME_2_FRAGMENT_1_DATA = | ||
| getBytesFromHexString("800a0e023ffffffffffffffffff"); | ||
| private static final long PARTITION_2_RTP_TIMESTAMP = 2599168344L; | ||
| private static final RtpPacket PACKET_FRAME_2_FRAGMENT_1 = | ||
| new RtpPacket.Builder() | ||
| .setTimestamp(PARTITION_2_RTP_TIMESTAMP) | ||
| .setSequenceNumber(40291) | ||
| .setMarker(false) | ||
| .setPayloadData( | ||
| Bytes.concat( | ||
| /*payload header */ getBytesFromHexString("0400"), FRAME_2_FRAGMENT_1_DATA)) | ||
| .build(); | ||
| private static final byte[] FRAME_2_FRAGMENT_2_DATA = | ||
| getBytesFromHexString("830df80c501839dfccdbdbecac"); | ||
| private static final RtpPacket PACKET_FRAME_2_FRAGMENT_2 = | ||
| new RtpPacket.Builder() | ||
| .setTimestamp(PARTITION_2_RTP_TIMESTAMP) | ||
| .setSequenceNumber(40292) | ||
| .setMarker(true) | ||
| .setPayloadData( | ||
| Bytes.concat( | ||
| /*payload header */ getBytesFromHexString("0000"), FRAME_2_FRAGMENT_2_DATA)) | ||
| .build(); | ||
| private static final byte[] FRAME_2_DATA = | ||
| Bytes.concat(getBytesFromHexString("0000"), FRAME_2_FRAGMENT_1_DATA, FRAME_2_FRAGMENT_2_DATA); | ||
|
|
||
| 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 static final RtpPayloadFormat H263_FORMAT = | ||
| new RtpPayloadFormat( | ||
| new Format.Builder() | ||
| .setSampleMimeType(MimeTypes.VIDEO_H263) | ||
| .setWidth(352) | ||
| .setHeight(288) | ||
| .build(), | ||
| /* rtpPayloadType= */ 96, | ||
| /* clockRate= */ (int) MEDIA_CLOCK_FREQUENCY, | ||
| /* fmtpParameters= */ ImmutableMap.of()); | ||
|
|
||
| private FakeExtractorOutput extractorOutput; | ||
|
|
||
| @Before | ||
| public void setUp() { | ||
| extractorOutput = new FakeExtractorOutput(); | ||
| } | ||
|
|
||
| @Test | ||
| public void consume_validPackets() { | ||
| RtpH263Reader h263Reader = new RtpH263Reader(H263_FORMAT); | ||
| h263Reader.createTracks(extractorOutput, /* trackId= */ 0); | ||
| h263Reader.onReceivingFirstPacket( | ||
| PACKET_FRAME_1_FRAGMENT_1.timestamp, PACKET_FRAME_1_FRAGMENT_1.sequenceNumber); | ||
| consume(h263Reader, PACKET_FRAME_1_FRAGMENT_1); | ||
| consume(h263Reader, PACKET_FRAME_1_FRAGMENT_2); | ||
| consume(h263Reader, PACKET_FRAME_2_FRAGMENT_1); | ||
| consume(h263Reader, PACKET_FRAME_2_FRAGMENT_2); | ||
|
|
||
| FakeTrackOutput trackOutput = extractorOutput.trackOutputs.get(0); | ||
| assertThat(trackOutput.getSampleCount()).isEqualTo(2); | ||
| assertThat(trackOutput.getSampleData(0)).isEqualTo(FRAME_1_DATA); | ||
| assertThat(trackOutput.getSampleTimeUs(0)).isEqualTo(0); | ||
| assertThat(trackOutput.getSampleData(1)).isEqualTo(FRAME_2_DATA); | ||
| assertThat(trackOutput.getSampleTimeUs(1)).isEqualTo(PARTITION_2_PRESENTATION_TIMESTAMP_US); | ||
| } | ||
|
|
||
| @Test | ||
| public void consume_fragmentedFrameMissingFirstFragment() { | ||
| RtpH263Reader h263Reader = new RtpH263Reader(H263_FORMAT); | ||
| h263Reader.createTracks(extractorOutput, /* trackId= */ 0); | ||
| h263Reader.onReceivingFirstPacket( | ||
| PACKET_FRAME_1_FRAGMENT_1.timestamp, PACKET_FRAME_1_FRAGMENT_1.sequenceNumber); | ||
| consume(h263Reader, PACKET_FRAME_1_FRAGMENT_2); | ||
| consume(h263Reader, PACKET_FRAME_2_FRAGMENT_1); | ||
| consume(h263Reader, PACKET_FRAME_2_FRAGMENT_2); | ||
|
|
||
| FakeTrackOutput trackOutput = extractorOutput.trackOutputs.get(0); | ||
| assertThat(trackOutput.getSampleCount()).isEqualTo(1); | ||
| assertThat(trackOutput.getSampleData(0)).isEqualTo(FRAME_2_DATA); | ||
| assertThat(trackOutput.getSampleTimeUs(0)).isEqualTo(PARTITION_2_PRESENTATION_TIMESTAMP_US); | ||
| } | ||
|
|
||
| @Test | ||
| public void consume_fragmentedFrameMissingBoundaryFragment() { | ||
| RtpH263Reader h263Reader = new RtpH263Reader(H263_FORMAT); | ||
| h263Reader.createTracks(extractorOutput, /* trackId= */ 0); | ||
| h263Reader.onReceivingFirstPacket( | ||
| PACKET_FRAME_1_FRAGMENT_1.timestamp, PACKET_FRAME_1_FRAGMENT_1.sequenceNumber); | ||
| consume(h263Reader, PACKET_FRAME_1_FRAGMENT_1); | ||
| consume(h263Reader, PACKET_FRAME_2_FRAGMENT_1); | ||
| consume(h263Reader, PACKET_FRAME_2_FRAGMENT_2); | ||
|
|
||
| FakeTrackOutput trackOutput = extractorOutput.trackOutputs.get(0); | ||
| assertThat(trackOutput.getSampleCount()).isEqualTo(2); | ||
| assertThat(trackOutput.getSampleData(0)) | ||
| .isEqualTo(Bytes.concat(getBytesFromHexString("0000"), FRAME_1_FRAGMENT_1_DATA)); | ||
| assertThat(trackOutput.getSampleTimeUs(0)).isEqualTo(0); | ||
| assertThat(trackOutput.getSampleData(1)).isEqualTo(FRAME_2_DATA); | ||
| assertThat(trackOutput.getSampleTimeUs(1)).isEqualTo(PARTITION_2_PRESENTATION_TIMESTAMP_US); | ||
| } | ||
|
|
||
| @Test | ||
| public void consume_outOfOrderPackets() { | ||
| RtpH263Reader h263Reader = new RtpH263Reader(H263_FORMAT); | ||
| h263Reader.createTracks(extractorOutput, /* trackId= */ 0); | ||
| h263Reader.onReceivingFirstPacket( | ||
| PACKET_FRAME_1_FRAGMENT_1.timestamp, PACKET_FRAME_1_FRAGMENT_1.sequenceNumber); | ||
| consume(h263Reader, PACKET_FRAME_1_FRAGMENT_1); | ||
| consume(h263Reader, PACKET_FRAME_2_FRAGMENT_1); | ||
| consume(h263Reader, PACKET_FRAME_1_FRAGMENT_2); | ||
| consume(h263Reader, PACKET_FRAME_2_FRAGMENT_2); | ||
|
|
||
| FakeTrackOutput trackOutput = extractorOutput.trackOutputs.get(0); | ||
| assertThat(trackOutput.getSampleCount()).isEqualTo(2); | ||
| assertThat(trackOutput.getSampleData(0)) | ||
| .isEqualTo(Bytes.concat(getBytesFromHexString("0000"), FRAME_1_FRAGMENT_1_DATA)); | ||
| assertThat(trackOutput.getSampleTimeUs(0)).isEqualTo(0); | ||
| assertThat(trackOutput.getSampleData(1)).isEqualTo(FRAME_2_DATA); | ||
| assertThat(trackOutput.getSampleTimeUs(1)).isEqualTo(PARTITION_2_PRESENTATION_TIMESTAMP_US); | ||
| } | ||
|
|
||
| private static void consume(RtpH263Reader h263Reader, RtpPacket rtpPacket) { | ||
| rtpPacket = copyPacket(rtpPacket); | ||
| h263Reader.consume( | ||
| new ParsableByteArray(rtpPacket.payloadData), | ||
| rtpPacket.timestamp, | ||
| rtpPacket.sequenceNumber, | ||
| rtpPacket.marker); | ||
| } | ||
|
|
||
| private static RtpPacket copyPacket(RtpPacket packet) { | ||
| RtpPacket.Builder builder = | ||
| new RtpPacket.Builder() | ||
| .setPadding(packet.padding) | ||
| .setMarker(packet.marker) | ||
| .setPayloadType(packet.payloadType) | ||
| .setSequenceNumber(packet.sequenceNumber) | ||
| .setTimestamp(packet.timestamp) | ||
| .setSsrc(packet.ssrc); | ||
|
|
||
| if (packet.csrc.length > 0) { | ||
| builder.setCsrc(Arrays.copyOf(packet.csrc, packet.csrc.length)); | ||
| } | ||
| if (packet.payloadData.length > 0) { | ||
| builder.setPayloadData(Arrays.copyOf(packet.payloadData, packet.payloadData.length)); | ||
| } | ||
| return builder.build(); | ||
| } | ||
| } |