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• java.lang.UnsatisfiedLinkError : Couldn't load ffmpeg library findLibrary returned null

  22 février 2017, par Muthukumar Subramaniam

  I am new to live streaming from android to youtube in android. I mentioned my Project Structrue and build the gradle file in android. FFmpeg library could not load in runtime.

  Note : I am working in windows 10 and android studio 2.1.2

      apply plugin: 'com.android.application'
  
  
  
  android {
  
      compileSdkVersion 23
  
      buildToolsVersion "23.0.1"
  
  
  
      packagingOptions {
  
          exclude 'META-INF/DEPENDENCIES'
  
          exclude 'META-INF/NOTICE'
  
          exclude 'META-INF/NOTICE.txt'
  
          exclude 'META-INF/LICENSE'
  
          exclude 'META-INF/LICENSE.txt'
  
      }
  
  
  
      defaultConfig {
  
          applicationId "com.ephron.mobilizerapp"
  
          minSdkVersion 14
  
          targetSdkVersion 23
  
          versionCode 1
  
          versionName "1.4"
  
          multiDexEnabled true
  
      }
  
      dexOptions {
  
          javaMaxHeapSize "4g"
  
      }
  
  
  
  
  
      buildTypes {
  
          release {
  
              minifyEnabled false
  
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
  
          }
  
      }
  
      sourceSets {
  
          main {
  
              assets.srcDirs = ['src/main/assets', 'src/main/assets/']
  
  
  
          }
  
      }
  
      sourceSets { main {
  
          jni.srcDirs = ['src/main/jni', 'src/main/jni/libs']
  
          jni.srcDirs = ['libs']
  
          jni.srcDirs = []
  
      } }
  
  }
  
  
  
  dependencies {
  
      testCompile 'junit:junit:4.12'
  
      compile files('libs/httpclient-4.5.2.jar')
  
      compile files('libs/httpcore-4.4.4.jar')
  
      compile files('libs/httpmime-4.2.1.jar')
  
      compile files('libs/YouTubeAndroidPlayerApi.jar')
  
      compile 'com.android.support:appcompat-v7:23.1.0'
  
      compile 'com.google.android.gms:play-services:10.0.1'
  
      compile 'com.google.code.gson:gson:2.2.2'
  
      compile 'com.google.firebase:firebase-messaging:9.2.0'
  
      compile 'testfairy:testfairy-android-sdk:1.+@aar'
  
      compile 'com.android.support:multidex:1.0.0'
  
      compile 'com.mcxiaoke.volley:library:1.0.19'
  
      compile 'com.squareup.picasso:picasso:2.5.2'
  
      compile 'cn.aigestudio.wheelpicker:WheelPicker:1.1.2'
  
      compile 'com.google.android.gms:play-services-maps:10.0.1'
  
      compile 'com.google.apis:google-api-services-youtube:v3-rev182-1.22.0'
  
      compile 'com.google.api-client:google-api-client-android:1.22.0'
  
      compile 'com.google.http-client:google-http-client-gson:1.19.0'
  
      compile 'com.google.android.gms:play-services-ads:10.0.1'
  
      compile 'com.google.android.gms:play-services-auth:10.0.1'
  
      compile 'com.google.android.gms:play-services-gcm:10.0.1'
  
      compile files('libs/ffmpeg-android.jar')
  
  }
  
  apply plugin: 'com.google.gms.google-services'

  My Project Structure mentioned below Link

  https://www.screencast.com/t/E0TFsMUi1

  Application.mk file
  
  
  
      APP_OPTIM := release
  
  APP_ABI := all
  
  APP_STL := gnustl_static
  
  APP_CPPFLAGS := -frtti -fexceptions

  Android.mk file

     #
  
  # Copyright (c) 2014 Google Inc.
  
  #
  
  # Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
  
  # in compliance with the License. You may obtain a copy of the License at
  
  #
  
  # http://www.apache.org/licenses/LICENSE-2.0
  
  #
  
  # Unless required by applicable law or agreed to in writing, software distributed under the License
  
  # is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
  
  # or implied. See the License for the specific language governing permissions and limitations under
  
  # the License.
  
  
  
  
  
  # set NDK_PROJECT_PATH := D:/MobilizerApp/app/src/main/jni
  
  
  
  WORKING_DIR := $(call my-dir)
  
  
  
  include $(CLEAR_VARS)
  
  LOCAL_PATH := $(WORKING_DIR)/../third_party/lame/libmp3lame
  
  LOCAL_MODULE    := lame
  
  LOCAL_C_INCLUDES := $(WORKING_DIR)/../third_party/lame/libmp3lame \
  
                      $(WORKING_DIR)/../third_party/lame/include
  
  LOCAL_CFLAGS := -DSTDC_HEADERS -std=c99
  
  LOCAL_ARM_MODE := arm
  
  APP_OPTIM := release
  
  
  
  LOCAL_SRC_FILES := VbrTag.c \
  
                     bitstream.c \
  
                     encoder.c \
  
                     fft.c \
  
                     gain_analysis.c \
  
                     id3tag.c \
  
                     lame.c \
  
                     mpglib_interface.c \
  
                     newmdct.c \
  
                     presets.c \
  
                     psymodel.c \
  
                     quantize.c \
  
                     quantize_pvt.c \
  
                     reservoir.c \
  
                     set_get.c \
  
                     tables.c \
  
                     takehiro.c \
  
                     util.c \
  
                     vbrquantize.c \
  
                     version.c
  
  
  
  
  
  #include $(BUILD_STATIC_LIBRARY)
  
  
  
  include $(BUILD_STATIC_LIBRARY)
  
  
  
  #include $(CLEAR_VARS)
  
  #LOCAL_MODULE  := mp3lame_a
  
  #LOCAL_STATIC_LIBRARIES := lame
  
  
  
  #include $(BUILD_EXECUTABLE) 
  
  
  
  include $(CLEAR_VARS)
  
  LOCAL_PATH := $(WORKING_DIR)
  
  LOCAL_MODULE    := ffmpeg
  
  LOCAL_CFLAGS := -DHAVE_AV_CONFIG_H -std=c99 -D__STDC_CONSTANT_MACROS -DSTDC_HEADERS -Wno-deprecated-declarations
  
  LOCAL_SRC_FILES := ffmpeg-jni.c
  
  LOCAL_C_INCLUDES := $(WORKING_DIR)/libavcodec $(WORKING_DIR)/libavcodec/arm $(WORKING_DIR)/libavformat $(WORKING_DIR)/libavutil $(WORKING_DIR)/libavutil/arm
  
  
  
  LOCAL_STATIC_LIBRARIES := lame
  
  
  
  LOCAL_LDLIBS := -llog -lm -lz $(WORKING_DIR)/../third_party/lib/libavformat.a $(WORKING_DIR)/../third_party/lib/libavcodec.a $(WORKING_DIR)/../third_party/lib/libavfilter.a $(WORKING_DIR)/../third_party/lib/libavresample.a $(WORKING_DIR)/../third_party/lib/libswscale.a $(WORKING_DIR)/../third_party/lib/libavutil.a $(WORKING_DIR)/../third_party/lib/libx264.a $(WORKING_DIR)/../third_party/lib/libpostproc.a $(WORKING_DIR)/../third_party/lib/libswresample.a $(WORKING_DIR)/../third_party/lib/libfdk-aac.a
  
  
  
  APP_OPTIM := release
  
  
  
  include $(BUILD_SHARED_LIBRARY)

  FFMPEG.Java

  package com.ephronsystem.mobilizerapp;
  
  
  
  
  
  public class Ffmpeg {
  
  
  
  
  
      static {
  
          System.loadLibrary("ffmpeg");
  
      }
  
  
  
      public static native boolean init(int width, int height, int audio_sample_rate, String rtmpUrl);
  
  
  
      public static native void shutdown();
  
  
  
      // Returns the size of the encoded frame.
  
      public static native int encodeVideoFrame(byte[] yuv_image);
  
  
  
      public static native int encodeAudioFrame(short[] audio_data, int length);
  
  }

• Color matching by color mapping using feature detection

  22 mai 2018, par Fabien Biller

  My goal is to match colors of two videos filming the same scene at slightly different positions. For this purpose, I created an algorithm that searches for corresponding features in one matching still frame of both videos. I then normalized the color relationships of the matching pixels

  (r-value + 1) / 256
  
  (g-value + 1) / 256
  
  (b-value + 1) / 256

  and converted them into curves as in

  curves=r='0.1/0.2 ...':g=....'

  Yet the result is rubbish.

  I need to actually tell ffmpeg with a number of rgb-values : "This rgb-value is to be this rgb-value" and not separately map each red value of for instance 66 to 22, but map each 66-22-18 to 44-77-123. The missing mappings should be interpolated.

  Or can a list of

  Color1 maps to Color2

  be converted into curves or similar ?

• Kaleidoscope-like video, what happened ? [closed]

  11 avril 2012, par ghost

  I have used dolphin-player (http://code.google.com/p/dolphin-player/), it is based on ffplay with libsdl, all movies are in 3 pictures like these .

  can anyone know what the problem is, and how to repair it in code ?
  (Source code here)