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Merge pull request #3371 from andymiao858/dev-v2

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Fix FLV AVCVIDEOPACKET  CTS Type Issue
This commit is contained in:
ojw28 2017-10-19 17:23:50 +01:00 committed by GitHub
commit 28bd4661ed
3 changed files with 26 additions and 1 deletions
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3
library/core/src/main/java/com/google/android/exoplayer2/extractor/flv/VideoTagPayloadReader.java
View file

@ -79,7 +79,8 @@ import com.google.android.exoplayer2.video.AvcConfig;
@Override
protected void parsePayload(ParsableByteArray data, long timeUs) throws ParserException {
int packetType = data.readUnsignedByte();
int compositionTimeMs = data.readUnsignedInt24();
int compositionTimeMs = data.readSignedInt24();
timeUs += compositionTimeMs * 1000L;
// Parse avc sequence header in case this was not done before.
if (packetType == AVC_PACKET_TYPE_SEQUENCE_HEADER && !hasOutputFormat) {

8
library/core/src/main/java/com/google/android/exoplayer2/util/ParsableByteArray.java
View file

@ -256,6 +256,14 @@ public final class ParsableByteArray {
| (data[position++] & 0xFF);
}
/**
* Reads the next three bytes as an signed value.
*/
public int readSignedInt24() {
int ui24 = readUnsignedInt24();
return (ui24 & 0x800000L) >>> 23 == 1 ? (ui24 | 0xff000000) : ui24;
}
/**
* Reads the next three bytes as a signed value in little endian order.
*/

16
library/core/src/test/java/com/google/android/exoplayer2/util/ParsableByteArrayTest.java
View file

@ -334,6 +334,22 @@ public final class ParsableByteArrayTest {
assertThat(byteArray.getPosition()).isEqualTo(3);
}
@Test
public void testReadPositiveSignedInt24() {
byte[] data = { 0x01, 0x02, (byte) 0xFF };
ParsableByteArray byteArray = new ParsableByteArray(data);
assertThat(byteArray.readSignedInt24()).isEqualTo(0x0102FF);
assertThat(byteArray.getPosition()).isEqualTo(3);
}
@Test
public void testReadNegativeSignedInt24() {
byte[] data = { (byte)0xFF, 0x02, (byte) 0x01 };
ParsableByteArray byteArray = new ParsableByteArray(data);
assertThat(byteArray.readSignedInt24()).isEqualTo(0xFFFF0201);
assertThat(byteArray.getPosition()).isEqualTo(3);
}
@Test
public void testReadLittleEndianUnsignedShort() {
ParsableByteArray byteArray = new ParsableByteArray(new byte[] {