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Enable reference frame invalidation for recent Qualcomm and NVIDIA decoders

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This commit is contained in:
Cameron Gutman
2017-05-15 23:23:17 -07:00
parent 732311c2a4
commit a3c95480d8
3 changed files with 100 additions and 28 deletions
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app/src/main/java/com/limelight/binding/video/MediaCodecHelper.java
+43 -11
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@@ -32,6 +32,8 @@ public class MediaCodecHelper {
private static final List<String> directSubmitPrefixes;
private static final List<String> constrainedHighProfilePrefixes;
private static final List<String> whitelistedHevcDecoders;
private static final List<String> refFrameInvalidationAvcPrefixes;
private static final List<String> refFrameInvalidationHevcPrefixes;
static {
directSubmitPrefixes = new LinkedList<>();
@@ -47,6 +49,13 @@ public class MediaCodecHelper {
directSubmitPrefixes.add("omx.arc");
}
static {
refFrameInvalidationAvcPrefixes = new LinkedList<>();
refFrameInvalidationHevcPrefixes = new LinkedList<>();
// Qualcomm and NVIDIA may be added at runtime
}
static {
preferredDecoders = new LinkedList<>();
}
@@ -65,6 +74,8 @@ public class MediaCodecHelper {
}
static {
// If a decoder qualifies for reference frame invalidation,
// these entries will be ignored for those decoders.
spsFixupBitstreamFixupDecoderPrefixes = new LinkedList<>();
spsFixupBitstreamFixupDecoderPrefixes.add("omx.nvidia");
spsFixupBitstreamFixupDecoderPrefixes.add("omx.qcom");
@@ -113,20 +124,33 @@ public class MediaCodecHelper {
(ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
ConfigurationInfo configInfo = activityManager.getDeviceConfigurationInfo();
if (configInfo.reqGlEsVersion != ConfigurationInfo.GL_ES_VERSION_UNDEFINED) {
// Qualcomm's early HEVC decoders break hard on our HEVC stream. The best check to
// tell the good from the bad decoders are the generation of Adreno GPU included:
// 3xx - bad
// 4xx - good
//
// Unfortunately, it's not that easy to get that information here, so I'll use an
// approximation by checking the GLES level (<= 3.0 is bad).
LimeLog.info("OpenGL ES version: "+configInfo.reqGlEsVersion);
if (configInfo.reqGlEsVersion > 0x30000) {
LimeLog.info("Added omx.qcom to supported decoders based on GLES 3.1+ support");
whitelistedHevcDecoders.add("omx.qcom");
// Tegra K1 and later can do reference frame invalidation properly
if (configInfo.reqGlEsVersion >= 0x30000) {
LimeLog.info("Added omx.nvidia to AVC reference frame invalidation support list");
refFrameInvalidationAvcPrefixes.add("omx.nvidia");
LimeLog.info("Added omx.qcom to AVC reference frame invalidation support list");
refFrameInvalidationAvcPrefixes.add("omx.qcom");
// Qualcomm's early HEVC decoders break hard on our HEVC stream. The best check to
// tell the good from the bad decoders are the generation of Adreno GPU included:
// 3xx - bad
// 4xx - good
//
// Unfortunately, it's not that easy to get that information here, so I'll use an
// approximation by checking the GLES level (<= 3.0 is bad).
if (configInfo.reqGlEsVersion > 0x30000) {
// FIXME: We prefer reference frame invalidation support (which is only doable on AVC on
// older Qualcomm chips) vs. enabling HEVC by default. The user can override using the settings
// to force HEVC on.
//LimeLog.info("Added omx.qcom to supported HEVC decoders based on GLES 3.1+ support");
//whitelistedHevcDecoders.add("omx.qcom");
}
}
}
}
}
private static boolean isDecoderInList(List<String> decoderList, String decoderName) {
for (String badPrefix : decoderList) {
@@ -190,6 +214,14 @@ public class MediaCodecHelper {
return isDecoderInList(baselineProfileHackPrefixes, decoderName);
}
public static boolean decoderSupportsRefFrameInvalidationAvc(String decoderName) {
return isDecoderInList(refFrameInvalidationAvcPrefixes, decoderName);
}
public static boolean decoderSupportsRefFrameInvalidationHevc(String decoderName) {
return isDecoderInList(refFrameInvalidationHevcPrefixes, decoderName);
}
public static boolean decoderIsWhitelistedForHevc(String decoderName) {
// TODO: Shield Tablet K1/LTE?
//