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add h263 format support in fourcc codecID

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This commit is contained in:
Drew Hill 2018-02-17 13:08:14 -05:00
parent 8ffd40ab9a
commit 25c241e5bc
1 changed files with 24 additions and 6 deletions
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30
library/core/src/main/java/com/google/android/exoplayer2/extractor/mkv/MatroskaExtractor.java
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@ -18,6 +18,7 @@ package com.google.android.exoplayer2.extractor.mkv;
import android.support.annotation.IntDef;
import android.support.annotation.Nullable;
import android.util.Log;
import android.util.Pair;
import android.util.SparseArray;
import com.google.android.exoplayer2.C;
import com.google.android.exoplayer2.Format;
@ -219,6 +220,7 @@ public final class MatroskaExtractor implements Extractor {
private static final int LACING_EBML = 3;
private static final int FOURCC_COMPRESSION_VC1 = 0x31435657;
private static final int FOURCC_COMPRESSION_DIVX = 0x58564944;
/**
* A template for the prefix that must be added to each subrip sample. The 12 byte end timecode
@ -1711,9 +1713,22 @@ public final class MatroskaExtractor implements Extractor {
nalUnitLengthFieldLength = hevcConfig.nalUnitLengthFieldLength;
break;
case CODEC_ID_FOURCC:
initializationData = parseFourCcVc1Private(new ParsableByteArray(codecPrivate));
if (initializationData != null) {
mimeType = MimeTypes.VIDEO_VC1;
initializationData = null;
Pair<Integer, List<byte[]>> pair = parseFourCcVc1Private(new ParsableByteArray(codecPrivate));
if (pair != null) {
initializationData = pair.second;
switch (pair.first) {
case FOURCC_COMPRESSION_VC1:
mimeType = MimeTypes.VIDEO_VC1;
break;
case FOURCC_COMPRESSION_DIVX:
mimeType = MimeTypes.VIDEO_H263;
break;
default:
Log.w(TAG, "Unknown FourCC. Setting mimeType to " + MimeTypes.VIDEO_UNKNOWN);
mimeType = MimeTypes.VIDEO_UNKNOWN;
break;
}
} else {
Log.w(TAG, "Unsupported FourCC. Setting mimeType to " + MimeTypes.VIDEO_UNKNOWN);
mimeType = MimeTypes.VIDEO_UNKNOWN;
@ -1938,12 +1953,15 @@ public final class MatroskaExtractor implements Extractor {
* not VC1.
* @throws ParserException If the initialization data could not be built.
*/
private static List<byte[]> parseFourCcVc1Private(ParsableByteArray buffer)
private static Pair<Integer, List<byte[]>> parseFourCcVc1Private(ParsableByteArray buffer)
throws ParserException {
try {
buffer.skipBytes(16); // size(4), width(4), height(4), planes(2), bitcount(2).
long compression = buffer.readLittleEndianUnsignedInt();
if (compression != FOURCC_COMPRESSION_VC1) {
if (compression == FOURCC_COMPRESSION_DIVX) {
return new Pair(FOURCC_COMPRESSION_DIVX, null);
}
if (compression != FOURCC_COMPRESSION_VC1) {
return null;
}
@ -1956,7 +1974,7 @@ public final class MatroskaExtractor implements Extractor {
&& bufferData[offset + 2] == 0x01 && bufferData[offset + 3] == 0x0F) {
// We've found the initialization data.
byte[] initializationData = Arrays.copyOfRange(bufferData, offset, bufferData.length);
return Collections.singletonList(initializationData);
return new Pair(FOURCC_COMPRESSION_VC1, Collections.singletonList(initializationData));
}
}