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Only use direct submit on decoders that have (effectively) infinite input buffers

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This commit is contained in:
Cameron Gutman 2014-02-19 22:18:26 -05:00
parent 61c0de6ca1
commit ddc70e39c9
1 changed files with 16 additions and 4 deletions
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20
src/com/limelight/binding/video/MediaCodecDecoderRenderer.java
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@ -21,9 +21,11 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
private MediaCodec videoDecoder; private MediaCodec videoDecoder;
private Thread rendererThread; private Thread rendererThread;
private boolean needsSpsFixup; private boolean needsSpsFixup;
private boolean fastInputQueueing;
public static final List<String> blacklistedDecoderPrefixes; public static final List<String> blacklistedDecoderPrefixes;
public static final List<String> spsFixupDecoderPrefixes; public static final List<String> spsFixupDecoderPrefixes;
public static final List<String> fastInputQueueingPrefixes;
static { static {
blacklistedDecoderPrefixes = new LinkedList<String>(); blacklistedDecoderPrefixes = new LinkedList<String>();
@ -37,8 +39,13 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
spsFixupDecoderPrefixes.add("omx.nvidia"); spsFixupDecoderPrefixes.add("omx.nvidia");
} }
private static boolean decoderNeedsSpsFixup(String decoderName) { static {
for (String badPrefix : spsFixupDecoderPrefixes) { fastInputQueueingPrefixes = new LinkedList<String>();
fastInputQueueingPrefixes.add("omx.nvidia");
}
private static boolean isDecoderInList(List<String> decoderList, String decoderName) {
for (String badPrefix : decoderList) {
if (decoderName.length() >= badPrefix.length()) { if (decoderName.length() >= badPrefix.length()) {
String prefix = decoderName.substring(0, badPrefix.length()); String prefix = decoderName.substring(0, badPrefix.length());
if (prefix.equalsIgnoreCase(badPrefix)) { if (prefix.equalsIgnoreCase(badPrefix)) {
@ -93,14 +100,19 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
MediaCodecInfo safeDecoder = findSafeDecoder(); MediaCodecInfo safeDecoder = findSafeDecoder();
if (safeDecoder != null) { if (safeDecoder != null) {
videoDecoder = MediaCodec.createByCodecName(safeDecoder.getName()); videoDecoder = MediaCodec.createByCodecName(safeDecoder.getName());
needsSpsFixup = decoderNeedsSpsFixup(safeDecoder.getName()); needsSpsFixup = isDecoderInList(spsFixupDecoderPrefixes, safeDecoder.getName());
if (needsSpsFixup) { if (needsSpsFixup) {
System.out.println("Decoder "+safeDecoder.getName()+" needs SPS fixup"); System.out.println("Decoder "+safeDecoder.getName()+" needs SPS fixup");
} }
fastInputQueueing = isDecoderInList(fastInputQueueingPrefixes, safeDecoder.getName());
if (fastInputQueueing) {
System.out.println("Decoder "+safeDecoder.getName()+" supports fast input queueing");
}
} }
else { else {
videoDecoder = MediaCodec.createDecoderByType("video/avc"); videoDecoder = MediaCodec.createDecoderByType("video/avc");
needsSpsFixup = false; needsSpsFixup = false;
fastInputQueueing = false;
} }
MediaFormat videoFormat = MediaFormat.createVideoFormat("video/avc", width, height); MediaFormat videoFormat = MediaFormat.createVideoFormat("video/avc", width, height);
@ -248,6 +260,6 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
@Override @Override
public int getCapabilities() { public int getCapabilities() {
return VideoDecoderRenderer.CAPABILITY_DIRECT_SUBMIT; return fastInputQueueing ? VideoDecoderRenderer.CAPABILITY_DIRECT_SUBMIT : 0;
} }
} }