diff --git a/libraries/exoplayer_rtsp/src/test/java/androidx/media3/exoplayer/rtsp/reader/RtpAmrReaderTest.java b/libraries/exoplayer_rtsp/src/test/java/androidx/media3/exoplayer/rtsp/reader/RtpAmrReaderTest.java new file mode 100644 index 0000000000..cce1a3db44 --- /dev/null +++ b/libraries/exoplayer_rtsp/src/test/java/androidx/media3/exoplayer/rtsp/reader/RtpAmrReaderTest.java @@ -0,0 +1,220 @@ +/* + * 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.junit.Assert.assertThrows; + +import androidx.media3.common.Format; +import androidx.media3.common.MimeTypes; +import androidx.media3.common.util.ParsableByteArray; +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 org.junit.Before; +import org.junit.Test; +import org.junit.runner.RunWith; + +/** Unit test for {@link RtpAmrReader}. */ +@RunWith(AndroidJUnit4.class) +public final class RtpAmrReaderTest { + + private FakeExtractorOutput extractorOutput; + + @Before + public void setUp() { + extractorOutput = new FakeExtractorOutput(); + } + + @Test + public void consume_validAmrNbPackets() { + RtpAmrReader amrReader = createAmrReader(MimeTypes.AUDIO_AMR); + + amrReader.createTracks(extractorOutput, /* trackId= */ 0); + amrReader.onReceivingFirstPacket(/* timestamp= */ 2599168056L, /* sequenceNumber= */ 40289); + amrReader.consume( + new ParsableByteArray( + Bytes.concat( + getBytesFromHexString("00"), // AMR-NB Codec Mode = 0. + getBytesFromHexString("40"), // AMR-NB ToC, F=0, FT=8. + getBytesFromHexString("0102030405"))), + /* timestamp= */ 2599168056L, + /* sequenceNumber= */ 40289, + /* rtpMarker= */ false); + amrReader.consume( + new ParsableByteArray( + Bytes.concat( + getBytesFromHexString("60"), // AMR-NB Codec Mode = 6. + getBytesFromHexString("C0"), // AMR-NB ToC, F=1, FT=8. + getBytesFromHexString("060708090A"))), + /* timestamp= */ 2599169592L, + /* sequenceNumber= */ 40290, + /* rtpMarker= */ false); + + FakeTrackOutput trackOutput = extractorOutput.trackOutputs.get(0); + assertThat(trackOutput.getSampleCount()).isEqualTo(2); + assertThat(trackOutput.getSampleData(0)).isEqualTo(getBytesFromHexString("400102030405")); + assertThat(trackOutput.getSampleTimeUs(0)).isEqualTo(0); + assertThat(trackOutput.getSampleData(1)).isEqualTo(getBytesFromHexString("C0060708090A")); + assertThat(trackOutput.getSampleTimeUs(1)).isEqualTo(192000); + } + + @Test + public void consume_amrNbPacketWithInvalidFrameType_throwsIllegalArgumentException() { + RtpAmrReader amrReader = createAmrReader(MimeTypes.AUDIO_AMR); + + amrReader.createTracks(extractorOutput, /* trackId= */ 0); + amrReader.onReceivingFirstPacket(/* timestamp= */ 2599168056L, /* sequenceNumber= */ 40289); + + assertThrows( + IllegalArgumentException.class, + () -> + amrReader.consume( + new ParsableByteArray( + Bytes.concat( + getBytesFromHexString("00"), // AMR-NB Codec Mode = 0. + getBytesFromHexString("68"), // AMR-NB ToC, F=0, FT=13. + getBytesFromHexString("0102030405"))), + /* timestamp= */ 2599168056L, + /* sequenceNumber= */ 40289, + /* rtpMarker= */ false)); + } + + @Test + public void consume_amrNbPacketWithInvalidFrameSize_throwsIllegalArgumentException() { + // The payload frame type is 8, expecting five bytes of data, getting four. + RtpAmrReader amrReader = createAmrReader(MimeTypes.AUDIO_AMR); + + amrReader.createTracks(extractorOutput, /* trackId= */ 0); + amrReader.onReceivingFirstPacket(/* timestamp= */ 2599168056L, /* sequenceNumber= */ 40289); + + assertThrows( + IllegalArgumentException.class, + () -> + amrReader.consume( + new ParsableByteArray( + Bytes.concat( + getBytesFromHexString("00"), // AMR-NB Codec Mode = 0. + getBytesFromHexString("40"), // AMR-NB ToC, F=0, FT=8. + getBytesFromHexString("01020304"))), + /* timestamp= */ 2599168056L, + /* sequenceNumber= */ 40289, + /* rtpMarker= */ false)); + } + + @Test + public void consume_validAmrWbPackets() { + RtpAmrReader amrReader = createAmrReader(MimeTypes.AUDIO_AMR_WB); + + amrReader.createTracks(extractorOutput, /* trackId= */ 0); + amrReader.onReceivingFirstPacket(/* timestamp= */ 2599168056L, /* sequenceNumber= */ 40289); + amrReader.consume( + new ParsableByteArray( + Bytes.concat( + getBytesFromHexString("60"), // AMR-WB Codec Mode = 6. + getBytesFromHexString("87"), // AMR-WB ToC, F=0, FT=0. + getBytesFromHexString("0102030405060708090A0B0C0D0E0F1011"))), + /* timestamp= */ 2599168056L, + /* sequenceNumber= */ 40289, + /* rtpMarker= */ false); + amrReader.consume( + new ParsableByteArray( + Bytes.concat( + getBytesFromHexString("00"), // AMR-WB Codec Mode = 0. + getBytesFromHexString("7E"))), // AMR-WB ToC, F=0, FT=15. + /* timestamp= */ 2599169592L, + /* sequenceNumber= */ 40290, + /* rtpMarker= */ false); + + FakeTrackOutput trackOutput = extractorOutput.trackOutputs.get(0); + assertThat(trackOutput.getSampleCount()).isEqualTo(2); + assertThat(trackOutput.getSampleData(0)) + .isEqualTo(getBytesFromHexString("870102030405060708090A0B0C0D0E0F1011")); + assertThat(trackOutput.getSampleTimeUs(0)).isEqualTo(0); + assertThat(trackOutput.getSampleData(1)).isEqualTo(getBytesFromHexString("7E")); + assertThat(trackOutput.getSampleTimeUs(1)).isEqualTo(96000); + } + + @Test + public void consume_amrWbPacketWithInvalidFrameType_throwsIllegalArgumentException() { + RtpAmrReader amrReader = createAmrReader(MimeTypes.AUDIO_AMR_WB); + + amrReader.createTracks(extractorOutput, /* trackId= */ 0); + amrReader.onReceivingFirstPacket(/* timestamp= */ 2599168056L, /* sequenceNumber= */ 40289); + + assertThrows( + IllegalArgumentException.class, + () -> + amrReader.consume( + new ParsableByteArray( + Bytes.concat( + getBytesFromHexString("00"), // AMR-WB Codec Mode = 0. + getBytesFromHexString("D5"), // AMR-WB ToC, F=1, FT=10. + getBytesFromHexString("01020304"))), + /* timestamp= */ 2599168056L, + /* sequenceNumber= */ 40289, + /* rtpMarker= */ false)); + } + + @Test + public void consume_amrWbPacketWithInvalidFrameSize_throwsIllegalArgumentException() { + // The payload frame type is 4, expecting 40 bytes of data, getting two. + RtpAmrReader amrReader = createAmrReader(MimeTypes.AUDIO_AMR_WB); + + amrReader.createTracks(extractorOutput, /* trackId= */ 0); + amrReader.onReceivingFirstPacket(/* timestamp= */ 2599168056L, /* sequenceNumber= */ 40289); + + assertThrows( + IllegalArgumentException.class, + () -> + amrReader.consume( + new ParsableByteArray( + Bytes.concat( + getBytesFromHexString("00"), // AMR-WB Codec Mode = 0. + getBytesFromHexString("A5"), // AMR-WB ToC, F=1, FT=4. + getBytesFromHexString("0102"))), + /* timestamp= */ 2599168056L, + /* sequenceNumber= */ 40289, + /* rtpMarker= */ false)); + } + + private static RtpAmrReader createAmrReader(String mimeType) { + switch (mimeType) { + case MimeTypes.AUDIO_AMR: + return new RtpAmrReader(createRtpPayloadFormat(mimeType, /* sampleRate= */ 8000)); + case MimeTypes.AUDIO_AMR_WB: + return new RtpAmrReader(createRtpPayloadFormat(mimeType, /* sampleRate= */ 16000)); + default: + throw new IllegalArgumentException("MimeType " + mimeType + " not supported."); + } + } + + private static RtpPayloadFormat createRtpPayloadFormat(String mimeType, int sampleRate) { + return new RtpPayloadFormat( + new Format.Builder() + .setChannelCount(1) + .setSampleMimeType(mimeType) + .setSampleRate(sampleRate) + .build(), + /* rtpPayloadType= */ 97, + /* clockRate= */ sampleRate, + /* fmtpParameters= */ ImmutableMap.of()); + } +}