Renable hevc support for android (#80)

Author: taste1981

sdk/android/api/org/webrtc/HardwareVideoEncoderFactory.java

@@ -13,6 +13,7 @@
 import static org.webrtc.MediaCodecUtils.EXYNOS_PREFIX;
 import static org.webrtc.MediaCodecUtils.INTEL_PREFIX;
 import static org.webrtc.MediaCodecUtils.QCOM_PREFIX;
+import static org.webrtc.MediaCodecUtils.HISI_PREFIX;
 
 import android.media.MediaCodecInfo;
 import android.media.MediaCodecList;
@@ -213,6 +214,8 @@ private boolean isHardwareSupportedInCurrentSdkVp8(MediaCodecInfo info) {
     String name = info.getName();
     // QCOM Vp8 encoder is supported in KITKAT or later.
     return (name.startsWith(QCOM_PREFIX) && Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
+        // Hisi VP8 encoder seems to be supported. Needs more testing.
+        || (name.startsWith(HISI_PREFIX) && Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
         // Exynos VP8 encoder is supported in M or later.
         || (name.startsWith(EXYNOS_PREFIX) && Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)
         // Intel Vp8 encoder is supported in LOLLIPOP or later, with the intel encoder enabled.
@@ -222,7 +225,7 @@ private boolean isHardwareSupportedInCurrentSdkVp8(MediaCodecInfo info) {
 
   private boolean isHardwareSupportedInCurrentSdkVp9(MediaCodecInfo info) {
     String name = info.getName();
-    return (name.startsWith(QCOM_PREFIX) || name.startsWith(EXYNOS_PREFIX))
+    return (name.startsWith(QCOM_PREFIX) || name.startsWith(EXYNOS_PREFIX) || name.startsWith(HISI_PREFIX))
         // Both QCOM and Exynos VP9 encoders are supported in N or later.
         && Build.VERSION.SDK_INT >= Build.VERSION_CODES.N;
   }
@@ -246,7 +249,9 @@ private boolean isHardwareSupportedInCurrentSdkH265(MediaCodecInfo info) {
     return (name.startsWith(QCOM_PREFIX) && Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
            // Exynos H265 encoder is supported in LOLLIPOP or later.
            || (name.startsWith(EXYNOS_PREFIX)
-               && Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP);
+               && Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
+           // Hisi VP8 encoder seems to be supported. Needs more testing.
+           || (name.startsWith(HISI_PREFIX) && Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT);
   }
 
   private boolean isMediaCodecAllowed(MediaCodecInfo info) {

sdk/android/src/java/org/webrtc/MediaCodecUtils.java

@@ -31,6 +31,7 @@ class MediaCodecUtils {
   static final String QCOM_PREFIX = "OMX.qcom.";
   static final String[] SOFTWARE_IMPLEMENTATION_PREFIXES = {
       "OMX.google.", "OMX.SEC.", "c2.android"};
+  static final String HISI_PREFIX = "OMX.hisi.";
 
   // NV12 color format supported by QCOM codec, but not declared in MediaCodec -
   // see /hardware/qcom/media/mm-core/inc/OMX_QCOMExtns.h

sdk/android/src/jni/video_encoder_wrapper.cc

@@ -13,6 +13,9 @@
 #include <utility>
 
 #include "common_video/h264/h264_common.h"
+#ifndef DISABLE_H265
+#include "common_video/h265/h265_common.h"
+#endif
 #include "modules/video_coding/include/video_codec_interface.h"
 #include "modules/video_coding/include/video_error_codes.h"
 #include "modules/video_coding/utility/vp8_header_parser.h"