Android: enable/disable WebRTC HW H264 with a flag.

media/base/android/media_codec_util.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/base/android/media_codec_util.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
@@ skipping 69 matching lines @@
 
 static bool IsDecoderSupportedByDevice(const std::string& android_mime_type) {
   DCHECK(MediaCodecUtil::IsMediaCodecAvailable());
   DCHECK(IsSupportedAndroidMimeType(android_mime_type));
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jstring> j_mime =
       ConvertUTF8ToJavaString(env, android_mime_type);
   return Java_MediaCodecUtil_isDecoderSupportedForDevice(env, j_mime);
 }
 
+static bool IsEncoderSupportedByDevice(const std::string& android_mime_type) {
+  DCHECK(MediaCodecUtil::IsMediaCodecAvailable());
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jstring> j_mime =
+      ConvertUTF8ToJavaString(env, android_mime_type);
+  return Java_MediaCodecUtil_isEncoderSupportedByDevice(env, j_mime);
+}
+
 // static
 bool MediaCodecUtil::IsMediaCodecAvailable() {
   // MediaCodec is only available on JB and greater.
   if (base::android::BuildInfo::GetInstance()->sdk_int() < 16)
     return false;
 
   // Blacklist some devices on Jellybean as for MediaCodec support is buggy.
   // http://crbug.com/365494, http://crbug.com/615872
   if (base::android::BuildInfo::GetInstance()->sdk_int() <= 19) {
     std::string model(base::android::BuildInfo::GetInstance()->model());
@@ skipping 104 matching lines @@
   // but we have a second method for clarity in future issues.
   return IsVp8DecoderAvailable();
 }
 
 // static
 bool MediaCodecUtil::IsVp9DecoderAvailable() {
   return IsMediaCodecAvailable() && IsDecoderSupportedByDevice(kVp9MimeType);
 }
 
 // static
+bool MediaCodecUtil::IsH264EncoderAvailable() {
+  return IsMediaCodecAvailable() && IsEncoderSupportedByDevice(kAvcMimeType);
+}
+
+// static
 bool MediaCodecUtil::IsSurfaceViewOutputSupported() {
   // Disable SurfaceView output for the Samsung Galaxy S3; it does not work
   // well enough for even 360p24 H264 playback.  http://crbug.com/602870.
   //
   // Notably this is codec agnostic at present, so any devices added to
   // the blacklist will avoid trying to play any codecs on SurfaceView.  If
   // needed in the future this can be expanded to be codec specific.
   const char* model_prefixes[] = {// Exynos 4 (Mali-400)
                                   "GT-I9300", "GT-I9305", "SHV-E210",
                                   // Snapdragon S4 (Adreno-225)
@@ skipping 20 matching lines @@
          (sdk_int == 18 && ("OMX.SEC.avc.dec" == codec_name ||
                             "OMX.SEC.avc.dec.secure" == codec_name)) ||
          (sdk_int == 19 &&
           base::StartsWith(base::android::BuildInfo::GetInstance()->model(),
                            "SM-G800", base::CompareCase::INSENSITIVE_ASCII) &&
           ("OMX.Exynos.avc.dec" == codec_name ||
            "OMX.Exynos.avc.dec.secure" == codec_name));
 }
 
 }  // namespace media