├── settings.gradle ├── screenshots ├── 1-launch.png ├── icon-web.png └── 2-play-video.png ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── Application ├── src │ └── main │ │ ├── res │ │ ├── drawable-hdpi │ │ │ ├── tile.9.png │ │ │ ├── ic_launcher.png │ │ │ ├── ic_action_play.png │ │ │ └── ic_action_play_disabled.png │ │ ├── raw │ │ │ └── vid_bigbuckbunny.mp4 │ │ ├── drawable-mdpi │ │ │ ├── ic_launcher.png │ │ │ ├── ic_action_play.png │ │ │ └── ic_action_play_disabled.png │ │ ├── drawable-xhdpi │ │ │ ├── ic_launcher.png │ │ │ ├── ic_action_play.png │ │ │ └── ic_action_play_disabled.png │ │ ├── drawable-xxhdpi │ │ │ └── ic_launcher.png │ │ ├── drawable │ │ │ └── selector_play.xml │ │ ├── values-v21 │ │ │ ├── base-colors.xml │ │ │ └── base-template-styles.xml │ │ ├── values-v11 │ │ │ └── template-styles.xml │ │ ├── values │ │ │ ├── strings.xml │ │ │ ├── base-strings.xml │ │ │ ├── template-dimens.xml │ │ │ └── template-styles.xml │ │ ├── values-sw600dp │ │ │ ├── template-dimens.xml │ │ │ └── template-styles.xml │ │ ├── menu │ │ │ └── action_menu.xml │ │ └── layout │ │ │ └── sample_main.xml │ │ ├── AndroidManifest.xml │ │ └── java │ │ └── com │ │ └── example │ │ └── android │ │ ├── common │ │ └── media │ │ │ ├── CameraHelper.java │ │ │ └── MediaCodecWrapper.java │ │ └── basicmediadecoder │ │ └── MainActivity.java └── build.gradle ├── README.md ├── packaging.yaml ├── .google └── packaging.yaml ├── CONTRIBUTING.md ├── CONTRIB.md ├── gradlew.bat ├── gradlew └── LICENSE /settings.gradle: -------------------------------------------------------------------------------- 1 | include 'Application' 2 | -------------------------------------------------------------------------------- /screenshots/1-launch.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/googlearchive/android-BasicMediaDecoder/HEAD/screenshots/1-launch.png -------------------------------------------------------------------------------- /screenshots/icon-web.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/googlearchive/android-BasicMediaDecoder/HEAD/screenshots/icon-web.png -------------------------------------------------------------------------------- /screenshots/2-play-video.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/googlearchive/android-BasicMediaDecoder/HEAD/screenshots/2-play-video.png -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/googlearchive/android-BasicMediaDecoder/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /Application/src/main/res/drawable-hdpi/tile.9.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/googlearchive/android-BasicMediaDecoder/HEAD/Application/src/main/res/drawable-hdpi/tile.9.png -------------------------------------------------------------------------------- /Application/src/main/res/raw/vid_bigbuckbunny.mp4: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/googlearchive/android-BasicMediaDecoder/HEAD/Application/src/main/res/raw/vid_bigbuckbunny.mp4 -------------------------------------------------------------------------------- /Application/src/main/res/drawable-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/googlearchive/android-BasicMediaDecoder/HEAD/Application/src/main/res/drawable-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /Application/src/main/res/drawable-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/googlearchive/android-BasicMediaDecoder/HEAD/Application/src/main/res/drawable-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /Application/src/main/res/drawable-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/googlearchive/android-BasicMediaDecoder/HEAD/Application/src/main/res/drawable-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /Application/src/main/res/drawable-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/googlearchive/android-BasicMediaDecoder/HEAD/Application/src/main/res/drawable-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /Application/src/main/res/drawable-hdpi/ic_action_play.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/googlearchive/android-BasicMediaDecoder/HEAD/Application/src/main/res/drawable-hdpi/ic_action_play.png -------------------------------------------------------------------------------- /Application/src/main/res/drawable-mdpi/ic_action_play.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/googlearchive/android-BasicMediaDecoder/HEAD/Application/src/main/res/drawable-mdpi/ic_action_play.png -------------------------------------------------------------------------------- /Application/src/main/res/drawable-xhdpi/ic_action_play.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/googlearchive/android-BasicMediaDecoder/HEAD/Application/src/main/res/drawable-xhdpi/ic_action_play.png -------------------------------------------------------------------------------- /Application/src/main/res/drawable-hdpi/ic_action_play_disabled.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/googlearchive/android-BasicMediaDecoder/HEAD/Application/src/main/res/drawable-hdpi/ic_action_play_disabled.png -------------------------------------------------------------------------------- /Application/src/main/res/drawable-mdpi/ic_action_play_disabled.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/googlearchive/android-BasicMediaDecoder/HEAD/Application/src/main/res/drawable-mdpi/ic_action_play_disabled.png -------------------------------------------------------------------------------- /Application/src/main/res/drawable-xhdpi/ic_action_play_disabled.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/googlearchive/android-BasicMediaDecoder/HEAD/Application/src/main/res/drawable-xhdpi/ic_action_play_disabled.png -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | 2 | Android BasicMediaDecoder Sample 3 | ================================ 4 | 5 | This repo has been migrated to [github.com/android/media-samples][1]. Please check that repo for future updates. Thank you! 6 | 7 | [1]: https://github.com/android/media-samples 8 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Tue Oct 23 10:25:38 BST 2018 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip 7 | -------------------------------------------------------------------------------- /Application/src/main/res/drawable/selector_play.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 6 | 7 | 9 | -------------------------------------------------------------------------------- /packaging.yaml: -------------------------------------------------------------------------------- 1 | # GOOGLE SAMPLE PACKAGING DATA 2 | # 3 | # This file is used by Google as part of our samples packaging process. 4 | # End users may safely ignore this file. It has no relevance to other systems. 5 | --- 6 | 7 | status: PUBLISHED 8 | technologies: [Android] 9 | categories: [Media] 10 | languages: [Java] 11 | solutions: [Mobile] 12 | github: googlesamples/android-BasicMediaDecoder 13 | level: BEGINNER 14 | icon: BasicMediaDecoderSample/src/main/res/drawable-xxhdpi/ic_launcher.png 15 | license: apache2-android 16 | -------------------------------------------------------------------------------- /.google/packaging.yaml: -------------------------------------------------------------------------------- 1 | 2 | # GOOGLE SAMPLE PACKAGING DATA 3 | # 4 | # This file is used by Google as part of our samples packaging process. 5 | # End users may safely ignore this file. It has no relevance to other systems. 6 | --- 7 | status: PUBLISHED 8 | technologies: [Android] 9 | categories: [Media] 10 | languages: [Java] 11 | solutions: [Mobile] 12 | github: android-BasicMediaDecoder 13 | level: ADVANCED 14 | icon: screenshots/icon-web.png 15 | apiRefs: 16 | - android:android.media.MediaCodec 17 | - android:android.media.MediaExtractor 18 | - android:android.animation.TimeAnimator 19 | license: apache2 20 | -------------------------------------------------------------------------------- /Application/src/main/res/values-v21/base-colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 18 | 19 | 20 | 21 | 22 | -------------------------------------------------------------------------------- /Application/src/main/res/values-v11/template-styles.xml: -------------------------------------------------------------------------------- 1 | 16 | 17 | 18 | 19 | 20 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /Application/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 18 | 19 | © copyright 2008, Blender Foundation / www.bigbuckbunny.org 20 | 21 | Play 22 | 23 | -------------------------------------------------------------------------------- /Application/src/main/res/values-sw600dp/template-dimens.xml: -------------------------------------------------------------------------------- 1 | 16 | 17 | 18 | 19 | 20 | 21 | @dimen/margin_huge 22 | @dimen/margin_medium 23 | 24 | 25 | -------------------------------------------------------------------------------- /Application/src/main/res/values-sw600dp/template-styles.xml: -------------------------------------------------------------------------------- 1 | 16 | 17 | 18 | 19 | 24 | 25 | 26 | -------------------------------------------------------------------------------- /Application/src/main/res/menu/action_menu.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 19 | 24 | -------------------------------------------------------------------------------- /Application/src/main/res/values/base-strings.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 18 | 19 | BasicMediaDecoder 20 | 21 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /Application/src/main/res/values/template-dimens.xml: -------------------------------------------------------------------------------- 1 | 16 | 17 | 18 | 19 | 20 | 21 | 4dp 22 | 8dp 23 | 16dp 24 | 32dp 25 | 64dp 26 | 27 | 28 | 29 | @dimen/margin_medium 30 | @dimen/margin_medium 31 | 32 | 33 | -------------------------------------------------------------------------------- /Application/src/main/res/layout/sample_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 22 | 26 | 34 | 35 | 36 | -------------------------------------------------------------------------------- /Application/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 18 | 22 | 23 | 24 | 25 | 27 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | -------------------------------------------------------------------------------- /Application/src/main/res/values/template-styles.xml: -------------------------------------------------------------------------------- 1 | 16 | 17 | 18 | 19 | 20 | 21 | 34 | 35 | 41 | 42 | 43 | -------------------------------------------------------------------------------- /Application/build.gradle: -------------------------------------------------------------------------------- 1 | 2 | buildscript { 3 | repositories { 4 | jcenter() 5 | google() 6 | } 7 | 8 | dependencies { 9 | classpath 'com.android.tools.build:gradle:3.2.1' 10 | } 11 | } 12 | 13 | apply plugin: 'com.android.application' 14 | 15 | repositories { 16 | jcenter() 17 | google() 18 | } 19 | 20 | dependencies { 21 | implementation "com.android.support:support-v4:28.0.0" 22 | implementation "com.android.support:support-v13:28.0.0" 23 | implementation "com.android.support:cardview-v7:28.0.0" 24 | implementation "com.android.support:appcompat-v7:28.0.0" 25 | } 26 | 27 | // The sample build uses multiple directories to 28 | // keep boilerplate and common code separate from 29 | // the main sample code. 30 | List dirs = [ 31 | 'main', // main sample code; look here for the interesting stuff. 32 | 'common', // components that are reused by multiple samples 33 | 'template'] // boilerplate code that is generated by the sample template process 34 | 35 | android { 36 | compileSdkVersion 28 37 | defaultConfig { 38 | minSdkVersion 17 39 | targetSdkVersion 28 40 | } 41 | 42 | compileOptions { 43 | sourceCompatibility JavaVersion.VERSION_1_7 44 | targetCompatibility JavaVersion.VERSION_1_7 45 | } 46 | 47 | sourceSets { 48 | main { 49 | dirs.each { dir -> 50 | java.srcDirs "src/${dir}/java" 51 | res.srcDirs "src/${dir}/res" 52 | } 53 | } 54 | androidTest.setRoot('tests') 55 | androidTest.java.srcDirs = ['tests/src'] 56 | 57 | } 58 | 59 | } 60 | -------------------------------------------------------------------------------- /CONTRIBUTING.md: -------------------------------------------------------------------------------- 1 | # How to become a contributor and submit your own code 2 | 3 | ## Contributor License Agreements 4 | 5 | We'd love to accept your sample apps and patches! Before we can take them, we 6 | have to jump a couple of legal hurdles. 7 | 8 | Please fill out either the individual or corporate Contributor License Agreement (CLA). 9 | 10 | * If you are an individual writing original source code and you're sure you 11 | own the intellectual property, then you'll need to sign an [individual CLA] 12 | (https://cla.developers.google.com). 13 | * If you work for a company that wants to allow you to contribute your work, 14 | then you'll need to sign a [corporate CLA] 15 | (https://cla.developers.google.com). 16 | 17 | Follow either of the two links above to access the appropriate CLA and 18 | instructions for how to sign and return it. Once we receive it, we'll be able to 19 | accept your pull requests. 20 | 21 | ## Contributing A Patch 22 | 23 | 1. Submit an issue describing your proposed change to the repo in question. 24 | 1. The repo owner will respond to your issue promptly. 25 | 1. If your proposed change is accepted, and you haven't already done so, sign a 26 | Contributor License Agreement (see details above). 27 | 1. Fork the desired repo, develop and test your code changes. 28 | 1. Ensure that your code adheres to the existing style in the sample to which 29 | you are contributing. Refer to the 30 | [Android Code Style Guide] 31 | (https://source.android.com/source/code-style.html) for the 32 | recommended coding standards for this organization. 33 | 1. Ensure that your code has an appropriate set of unit tests which all pass. 34 | 1. Submit a pull request. 35 | 36 | -------------------------------------------------------------------------------- /CONTRIB.md: -------------------------------------------------------------------------------- 1 | # How to become a contributor and submit your own code 2 | 3 | ## Contributor License Agreements 4 | 5 | We'd love to accept your sample apps and patches! Before we can take them, we 6 | have to jump a couple of legal hurdles. 7 | 8 | Please fill out either the individual or corporate Contributor License Agreement (CLA). 9 | 10 | * If you are an individual writing original source code and you're sure you 11 | own the intellectual property, then you'll need to sign an [individual CLA] 12 | (https://developers.google.com/open-source/cla/individual). 13 | * If you work for a company that wants to allow you to contribute your work, 14 | then you'll need to sign a [corporate CLA] 15 | (https://developers.google.com/open-source/cla/corporate). 16 | 17 | Follow either of the two links above to access the appropriate CLA and 18 | instructions for how to sign and return it. Once we receive it, we'll be able to 19 | accept your pull requests. 20 | 21 | ## Contributing A Patch 22 | 23 | 1. Submit an issue describing your proposed change to the repo in question. 24 | 1. The repo owner will respond to your issue promptly. 25 | 1. If your proposed change is accepted, and you haven't already done so, sign a 26 | Contributor License Agreement (see details above). 27 | 1. Fork the desired repo, develop and test your code changes. 28 | 1. Ensure that your code adheres to the existing style in the sample to which 29 | you are contributing. Refer to the 30 | [Android Code Style Guide] 31 | (https://source.android.com/source/code-style.html) for the 32 | recommended coding standards for this organization. 33 | 1. Ensure that your code has an appropriate set of unit tests which all pass. 34 | 1. Submit a pull request. 35 | 36 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 12 | set DEFAULT_JVM_OPTS= 13 | 14 | set DIRNAME=%~dp0 15 | if "%DIRNAME%" == "" set DIRNAME=. 16 | set APP_BASE_NAME=%~n0 17 | set APP_HOME=%DIRNAME% 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windowz variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | if "%@eval[2+2]" == "4" goto 4NT_args 53 | 54 | :win9xME_args 55 | @rem Slurp the command line arguments. 56 | set CMD_LINE_ARGS= 57 | set _SKIP=2 58 | 59 | :win9xME_args_slurp 60 | if "x%~1" == "x" goto execute 61 | 62 | set CMD_LINE_ARGS=%* 63 | goto execute 64 | 65 | :4NT_args 66 | @rem Get arguments from the 4NT Shell from JP Software 67 | set CMD_LINE_ARGS=%$ 68 | 69 | :execute 70 | @rem Setup the command line 71 | 72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 73 | 74 | @rem Execute Gradle 75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 76 | 77 | :end 78 | @rem End local scope for the variables with windows NT shell 79 | if "%ERRORLEVEL%"=="0" goto mainEnd 80 | 81 | :fail 82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 83 | rem the _cmd.exe /c_ return code! 84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 85 | exit /b 1 86 | 87 | :mainEnd 88 | if "%OS%"=="Windows_NT" endlocal 89 | 90 | :omega 91 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env bash 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 10 | DEFAULT_JVM_OPTS="" 11 | 12 | APP_NAME="Gradle" 13 | APP_BASE_NAME=`basename "$0"` 14 | 15 | # Use the maximum available, or set MAX_FD != -1 to use that value. 16 | MAX_FD="maximum" 17 | 18 | warn ( ) { 19 | echo "$*" 20 | } 21 | 22 | die ( ) { 23 | echo 24 | echo "$*" 25 | echo 26 | exit 1 27 | } 28 | 29 | # OS specific support (must be 'true' or 'false'). 30 | cygwin=false 31 | msys=false 32 | darwin=false 33 | case "`uname`" in 34 | CYGWIN* ) 35 | cygwin=true 36 | ;; 37 | Darwin* ) 38 | darwin=true 39 | ;; 40 | MINGW* ) 41 | msys=true 42 | ;; 43 | esac 44 | 45 | # For Cygwin, ensure paths are in UNIX format before anything is touched. 46 | if $cygwin ; then 47 | [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"` 48 | fi 49 | 50 | # Attempt to set APP_HOME 51 | # Resolve links: $0 may be a link 52 | PRG="$0" 53 | # Need this for relative symlinks. 54 | while [ -h "$PRG" ] ; do 55 | ls=`ls -ld "$PRG"` 56 | link=`expr "$ls" : '.*-> \(.*\)$'` 57 | if expr "$link" : '/.*' > /dev/null; then 58 | PRG="$link" 59 | else 60 | PRG=`dirname "$PRG"`"/$link" 61 | fi 62 | done 63 | SAVED="`pwd`" 64 | cd "`dirname \"$PRG\"`/" >&- 65 | APP_HOME="`pwd -P`" 66 | cd "$SAVED" >&- 67 | 68 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 69 | 70 | # Determine the Java command to use to start the JVM. 71 | if [ -n "$JAVA_HOME" ] ; then 72 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 73 | # IBM's JDK on AIX uses strange locations for the executables 74 | JAVACMD="$JAVA_HOME/jre/sh/java" 75 | else 76 | JAVACMD="$JAVA_HOME/bin/java" 77 | fi 78 | if [ ! -x "$JAVACMD" ] ; then 79 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 80 | 81 | Please set the JAVA_HOME variable in your environment to match the 82 | location of your Java installation." 83 | fi 84 | else 85 | JAVACMD="java" 86 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 87 | 88 | Please set the JAVA_HOME variable in your environment to match the 89 | location of your Java installation." 90 | fi 91 | 92 | # Increase the maximum file descriptors if we can. 93 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then 94 | MAX_FD_LIMIT=`ulimit -H -n` 95 | if [ $? -eq 0 ] ; then 96 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 97 | MAX_FD="$MAX_FD_LIMIT" 98 | fi 99 | ulimit -n $MAX_FD 100 | if [ $? -ne 0 ] ; then 101 | warn "Could not set maximum file descriptor limit: $MAX_FD" 102 | fi 103 | else 104 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 105 | fi 106 | fi 107 | 108 | # For Darwin, add options to specify how the application appears in the dock 109 | if $darwin; then 110 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 111 | fi 112 | 113 | # For Cygwin, switch paths to Windows format before running java 114 | if $cygwin ; then 115 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 116 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules 158 | function splitJvmOpts() { 159 | JVM_OPTS=("$@") 160 | } 161 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS 162 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" 163 | 164 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" 165 | -------------------------------------------------------------------------------- /Application/src/main/java/com/example/android/common/media/CameraHelper.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (C) 2013 The Android Open Source Project 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package com.example.android.common.media; 18 | 19 | import android.annotation.TargetApi; 20 | import android.hardware.Camera; 21 | import android.os.Build; 22 | import android.os.Environment; 23 | import android.util.Log; 24 | 25 | import java.io.File; 26 | import java.text.SimpleDateFormat; 27 | import java.util.Date; 28 | import java.util.List; 29 | import java.util.Locale; 30 | 31 | /** 32 | * Camera related utilities. 33 | */ 34 | public class CameraHelper { 35 | 36 | public static final int MEDIA_TYPE_IMAGE = 1; 37 | public static final int MEDIA_TYPE_VIDEO = 2; 38 | 39 | /** 40 | * Iterate over supported camera video sizes to see which one best fits the 41 | * dimensions of the given view while maintaining the aspect ratio. If none can, 42 | * be lenient with the aspect ratio. 43 | * 44 | * @param supportedVideoSizes Supported camera video sizes. 45 | * @param previewSizes Supported camera preview sizes. 46 | * @param w The width of the view. 47 | * @param h The height of the view. 48 | * @return Best match camera video size to fit in the view. 49 | */ 50 | public static Camera.Size getOptimalVideoSize(List supportedVideoSizes, 51 | List previewSizes, int w, int h) { 52 | // Use a very small tolerance because we want an exact match. 53 | final double ASPECT_TOLERANCE = 0.1; 54 | double targetRatio = (double) w / h; 55 | 56 | // Supported video sizes list might be null, it means that we are allowed to use the preview 57 | // sizes 58 | List videoSizes; 59 | if (supportedVideoSizes != null) { 60 | videoSizes = supportedVideoSizes; 61 | } else { 62 | videoSizes = previewSizes; 63 | } 64 | Camera.Size optimalSize = null; 65 | 66 | // Start with max value and refine as we iterate over available video sizes. This is the 67 | // minimum difference between view and camera height. 68 | double minDiff = Double.MAX_VALUE; 69 | 70 | // Target view height 71 | int targetHeight = h; 72 | 73 | // Try to find a video size that matches aspect ratio and the target view size. 74 | // Iterate over all available sizes and pick the largest size that can fit in the view and 75 | // still maintain the aspect ratio. 76 | for (Camera.Size size : videoSizes) { 77 | double ratio = (double) size.width / size.height; 78 | if (Math.abs(ratio - targetRatio) > ASPECT_TOLERANCE) 79 | continue; 80 | if (Math.abs(size.height - targetHeight) < minDiff && previewSizes.contains(size)) { 81 | optimalSize = size; 82 | minDiff = Math.abs(size.height - targetHeight); 83 | } 84 | } 85 | 86 | // Cannot find video size that matches the aspect ratio, ignore the requirement 87 | if (optimalSize == null) { 88 | minDiff = Double.MAX_VALUE; 89 | for (Camera.Size size : videoSizes) { 90 | if (Math.abs(size.height - targetHeight) < minDiff && previewSizes.contains(size)) { 91 | optimalSize = size; 92 | minDiff = Math.abs(size.height - targetHeight); 93 | } 94 | } 95 | } 96 | return optimalSize; 97 | } 98 | 99 | /** 100 | * @return the default camera on the device. Return null if there is no camera on the device. 101 | */ 102 | public static Camera getDefaultCameraInstance() { 103 | return Camera.open(); 104 | } 105 | 106 | 107 | /** 108 | * @return the default rear/back facing camera on the device. Returns null if camera is not 109 | * available. 110 | */ 111 | public static Camera getDefaultBackFacingCameraInstance() { 112 | return getDefaultCamera(Camera.CameraInfo.CAMERA_FACING_BACK); 113 | } 114 | 115 | /** 116 | * @return the default front facing camera on the device. Returns null if camera is not 117 | * available. 118 | */ 119 | public static Camera getDefaultFrontFacingCameraInstance() { 120 | return getDefaultCamera(Camera.CameraInfo.CAMERA_FACING_FRONT); 121 | } 122 | 123 | 124 | /** 125 | * 126 | * @param position Physical position of the camera i.e Camera.CameraInfo.CAMERA_FACING_FRONT 127 | * or Camera.CameraInfo.CAMERA_FACING_BACK. 128 | * @return the default camera on the device. Returns null if camera is not available. 129 | */ 130 | @TargetApi(Build.VERSION_CODES.GINGERBREAD) 131 | private static Camera getDefaultCamera(int position) { 132 | // Find the total number of cameras available 133 | int mNumberOfCameras = Camera.getNumberOfCameras(); 134 | 135 | // Find the ID of the back-facing ("default") camera 136 | Camera.CameraInfo cameraInfo = new Camera.CameraInfo(); 137 | for (int i = 0; i < mNumberOfCameras; i++) { 138 | Camera.getCameraInfo(i, cameraInfo); 139 | if (cameraInfo.facing == position) { 140 | return Camera.open(i); 141 | 142 | } 143 | } 144 | 145 | return null; 146 | } 147 | 148 | /** 149 | * Creates a media file in the {@code Environment.DIRECTORY_PICTURES} directory. The directory 150 | * is persistent and available to other applications like gallery. 151 | * 152 | * @param type Media type. Can be video or image. 153 | * @return A file object pointing to the newly created file. 154 | */ 155 | public static File getOutputMediaFile(int type){ 156 | // To be safe, you should check that the SDCard is mounted 157 | // using Environment.getExternalStorageState() before doing this. 158 | if (!Environment.getExternalStorageState().equalsIgnoreCase(Environment.MEDIA_MOUNTED)) { 159 | return null; 160 | } 161 | 162 | File mediaStorageDir = new File(Environment.getExternalStoragePublicDirectory( 163 | Environment.DIRECTORY_PICTURES), "CameraSample"); 164 | // This location works best if you want the created images to be shared 165 | // between applications and persist after your app has been uninstalled. 166 | 167 | // Create the storage directory if it does not exist 168 | if (! mediaStorageDir.exists()){ 169 | if (! mediaStorageDir.mkdirs()) { 170 | Log.d("CameraSample", "failed to create directory"); 171 | return null; 172 | } 173 | } 174 | 175 | // Create a media file name 176 | String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.US).format(new Date()); 177 | File mediaFile; 178 | if (type == MEDIA_TYPE_IMAGE){ 179 | mediaFile = new File(mediaStorageDir.getPath() + File.separator + 180 | "IMG_"+ timeStamp + ".jpg"); 181 | } else if(type == MEDIA_TYPE_VIDEO) { 182 | mediaFile = new File(mediaStorageDir.getPath() + File.separator + 183 | "VID_"+ timeStamp + ".mp4"); 184 | } else { 185 | return null; 186 | } 187 | 188 | return mediaFile; 189 | } 190 | 191 | } 192 | -------------------------------------------------------------------------------- /Application/src/main/java/com/example/android/basicmediadecoder/MainActivity.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (C) 2013 The Android Open Source Project 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package com.example.android.basicmediadecoder; 18 | 19 | 20 | import android.animation.TimeAnimator; 21 | import android.app.Activity; 22 | import android.media.MediaCodec; 23 | import android.media.MediaExtractor; 24 | import android.net.Uri; 25 | import android.os.Bundle; 26 | import android.view.Menu; 27 | import android.view.MenuInflater; 28 | import android.view.MenuItem; 29 | import android.view.Surface; 30 | import android.view.TextureView; 31 | import android.view.View; 32 | import android.widget.TextView; 33 | 34 | import com.example.android.common.media.MediaCodecWrapper; 35 | 36 | import java.io.IOException; 37 | 38 | /** 39 | * This activity uses a {@link android.view.TextureView} to render the frames of a video decoded using 40 | * {@link android.media.MediaCodec} API. 41 | */ 42 | public class MainActivity extends Activity { 43 | 44 | private TextureView mPlaybackView; 45 | private TimeAnimator mTimeAnimator = new TimeAnimator(); 46 | 47 | // A utility that wraps up the underlying input and output buffer processing operations 48 | // into an east to use API. 49 | private MediaCodecWrapper mCodecWrapper; 50 | private MediaExtractor mExtractor = new MediaExtractor(); 51 | TextView mAttribView = null; 52 | 53 | 54 | /** 55 | * Called when the activity is first created. 56 | */ 57 | @Override 58 | public void onCreate(Bundle savedInstanceState) { 59 | super.onCreate(savedInstanceState); 60 | setContentView(R.layout.sample_main); 61 | mPlaybackView = (TextureView) findViewById(R.id.PlaybackView); 62 | mAttribView = (TextView)findViewById(R.id.AttribView); 63 | 64 | } 65 | 66 | @Override 67 | public boolean onCreateOptionsMenu(Menu menu) { 68 | MenuInflater inflater = getMenuInflater(); 69 | inflater.inflate(R.menu.action_menu, menu); 70 | return true; 71 | } 72 | 73 | @Override 74 | protected void onPause() { 75 | super.onPause(); 76 | if(mTimeAnimator != null && mTimeAnimator.isRunning()) { 77 | mTimeAnimator.end(); 78 | } 79 | 80 | if (mCodecWrapper != null ) { 81 | mCodecWrapper.stopAndRelease(); 82 | mExtractor.release(); 83 | } 84 | } 85 | 86 | @Override 87 | public boolean onOptionsItemSelected(MenuItem item) { 88 | if (item.getItemId() == R.id.menu_play) { 89 | mAttribView.setVisibility(View.VISIBLE); 90 | startPlayback(); 91 | item.setEnabled(false); 92 | } 93 | return true; 94 | } 95 | 96 | 97 | public void startPlayback() { 98 | 99 | // Construct a URI that points to the video resource that we want to play 100 | Uri videoUri = Uri.parse("android.resource://" 101 | + getPackageName() + "/" 102 | + R.raw.vid_bigbuckbunny); 103 | 104 | try { 105 | 106 | // BEGIN_INCLUDE(initialize_extractor) 107 | mExtractor.setDataSource(this, videoUri, null); 108 | int nTracks = mExtractor.getTrackCount(); 109 | 110 | // Begin by unselecting all of the tracks in the extractor, so we won't see 111 | // any tracks that we haven't explicitly selected. 112 | for (int i = 0; i < nTracks; ++i) { 113 | mExtractor.unselectTrack(i); 114 | } 115 | 116 | 117 | // Find the first video track in the stream. In a real-world application 118 | // it's possible that the stream would contain multiple tracks, but this 119 | // sample assumes that we just want to play the first one. 120 | for (int i = 0; i < nTracks; ++i) { 121 | // Try to create a video codec for this track. This call will return null if the 122 | // track is not a video track, or not a recognized video format. Once it returns 123 | // a valid MediaCodecWrapper, we can break out of the loop. 124 | mCodecWrapper = MediaCodecWrapper.fromVideoFormat(mExtractor.getTrackFormat(i), 125 | new Surface(mPlaybackView.getSurfaceTexture())); 126 | if (mCodecWrapper != null) { 127 | mExtractor.selectTrack(i); 128 | break; 129 | } 130 | } 131 | // END_INCLUDE(initialize_extractor) 132 | 133 | 134 | 135 | 136 | // By using a {@link TimeAnimator}, we can sync our media rendering commands with 137 | // the system display frame rendering. The animator ticks as the {@link Choreographer} 138 | // receives VSYNC events. 139 | mTimeAnimator.setTimeListener(new TimeAnimator.TimeListener() { 140 | @Override 141 | public void onTimeUpdate(final TimeAnimator animation, 142 | final long totalTime, 143 | final long deltaTime) { 144 | 145 | boolean isEos = ((mExtractor.getSampleFlags() & MediaCodec 146 | .BUFFER_FLAG_END_OF_STREAM) == MediaCodec.BUFFER_FLAG_END_OF_STREAM); 147 | 148 | // BEGIN_INCLUDE(write_sample) 149 | if (!isEos) { 150 | // Try to submit the sample to the codec and if successful advance the 151 | // extractor to the next available sample to read. 152 | boolean result = mCodecWrapper.writeSample(mExtractor, false, 153 | mExtractor.getSampleTime(), mExtractor.getSampleFlags()); 154 | 155 | if (result) { 156 | // Advancing the extractor is a blocking operation and it MUST be 157 | // executed outside the main thread in real applications. 158 | mExtractor.advance(); 159 | } 160 | } 161 | // END_INCLUDE(write_sample) 162 | 163 | // Examine the sample at the head of the queue to see if its ready to be 164 | // rendered and is not zero sized End-of-Stream record. 165 | MediaCodec.BufferInfo out_bufferInfo = new MediaCodec.BufferInfo(); 166 | mCodecWrapper.peekSample(out_bufferInfo); 167 | 168 | // BEGIN_INCLUDE(render_sample) 169 | if (out_bufferInfo.size <= 0 && isEos) { 170 | mTimeAnimator.end(); 171 | mCodecWrapper.stopAndRelease(); 172 | mExtractor.release(); 173 | } else if (out_bufferInfo.presentationTimeUs / 1000 < totalTime) { 174 | // Pop the sample off the queue and send it to {@link Surface} 175 | mCodecWrapper.popSample(true); 176 | } 177 | // END_INCLUDE(render_sample) 178 | 179 | } 180 | }); 181 | 182 | // We're all set. Kick off the animator to process buffers and render video frames as 183 | // they become available 184 | mTimeAnimator.start(); 185 | } catch (IOException e) { 186 | e.printStackTrace(); 187 | } 188 | } 189 | } 190 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | -------------- 3 | 4 | Version 2.0, January 2004 5 | http://www.apache.org/licenses/ 6 | 7 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 8 | 9 | 1. 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Observers can register a listener for optional stream 49 | * of decoded data 50 | */ 51 | public interface OutputSampleListener { 52 | void outputSample(MediaCodecWrapper sender, MediaCodec.BufferInfo info, ByteBuffer buffer); 53 | } 54 | 55 | /** 56 | * The {@link MediaCodec} that is managed by this class. 57 | */ 58 | private MediaCodec mDecoder; 59 | 60 | // References to the internal buffers managed by the codec. The codec 61 | // refers to these buffers by index, never by reference so it's up to us 62 | // to keep track of which buffer is which. 63 | private ByteBuffer[] mInputBuffers; 64 | private ByteBuffer[] mOutputBuffers; 65 | 66 | // Indices of the input buffers that are currently available for writing. We'll 67 | // consume these in the order they were dequeued from the codec. 68 | private Queue mAvailableInputBuffers; 69 | 70 | // Indices of the output buffers that currently hold valid data, in the order 71 | // they were produced by the codec. 72 | private Queue mAvailableOutputBuffers; 73 | 74 | // Information about each output buffer, by index. Each entry in this array 75 | // is valid if and only if its index is currently contained in mAvailableOutputBuffers. 76 | private MediaCodec.BufferInfo[] mOutputBufferInfo; 77 | 78 | private MediaCodecWrapper(MediaCodec codec) { 79 | mDecoder = codec; 80 | codec.start(); 81 | mInputBuffers = codec.getInputBuffers(); 82 | mOutputBuffers = codec.getOutputBuffers(); 83 | mOutputBufferInfo = new MediaCodec.BufferInfo[mOutputBuffers.length]; 84 | mAvailableInputBuffers = new ArrayDeque<>(mOutputBuffers.length); 85 | mAvailableOutputBuffers = new ArrayDeque<>(mInputBuffers.length); 86 | } 87 | 88 | /** 89 | * Releases resources and ends the encoding/decoding session. 90 | */ 91 | public void stopAndRelease() { 92 | mDecoder.stop(); 93 | mDecoder.release(); 94 | mDecoder = null; 95 | mHandler = null; 96 | } 97 | 98 | /** 99 | * Getter for the registered {@link OutputFormatChangedListener} 100 | */ 101 | public OutputFormatChangedListener getOutputFormatChangedListener() { 102 | return mOutputFormatChangedListener; 103 | } 104 | 105 | /** 106 | * 107 | * @param outputFormatChangedListener the listener for callback. 108 | * @param handler message handler for posting the callback. 109 | */ 110 | public void setOutputFormatChangedListener(final OutputFormatChangedListener 111 | outputFormatChangedListener, Handler handler) { 112 | mOutputFormatChangedListener = outputFormatChangedListener; 113 | 114 | // Making sure we don't block ourselves due to a bad implementation of the callback by 115 | // using a handler provided by client. 116 | mHandler = handler; 117 | if (outputFormatChangedListener != null && mHandler == null) { 118 | if (Looper.myLooper() != null) { 119 | mHandler = new Handler(); 120 | } else { 121 | throw new IllegalArgumentException( 122 | "Looper doesn't exist in the calling thread"); 123 | } 124 | } 125 | } 126 | 127 | /** 128 | * Constructs the {@link MediaCodecWrapper} wrapper object around the video codec. 129 | * The codec is created using the encapsulated information in the 130 | * {@link MediaFormat} object. 131 | * 132 | * @param trackFormat The format of the media object to be decoded. 133 | * @param surface Surface to render the decoded frames. 134 | * @return 135 | */ 136 | public static MediaCodecWrapper fromVideoFormat(final MediaFormat trackFormat, 137 | Surface surface) throws IOException { 138 | MediaCodecWrapper result = null; 139 | MediaCodec videoCodec = null; 140 | 141 | // BEGIN_INCLUDE(create_codec) 142 | final String mimeType = trackFormat.getString(MediaFormat.KEY_MIME); 143 | 144 | // Check to see if this is actually a video mime type. If it is, then create 145 | // a codec that can decode this mime type. 146 | if (mimeType.contains("video/")) { 147 | videoCodec = MediaCodec.createDecoderByType(mimeType); 148 | videoCodec.configure(trackFormat, surface, null, 0); 149 | 150 | } 151 | 152 | // If codec creation was successful, then create a wrapper object around the 153 | // newly created codec. 154 | if (videoCodec != null) { 155 | result = new MediaCodecWrapper(videoCodec); 156 | } 157 | // END_INCLUDE(create_codec) 158 | 159 | return result; 160 | } 161 | 162 | 163 | /** 164 | * Write a media sample to the decoder. 165 | * 166 | * A "sample" here refers to a single atomic access unit in the media stream. The definition 167 | * of "access unit" is dependent on the type of encoding used, but it typically refers to 168 | * a single frame of video or a few seconds of audio. {@link android.media.MediaExtractor} 169 | * extracts data from a stream one sample at a time. 170 | * 171 | * @param input A ByteBuffer containing the input data for one sample. The buffer must be set 172 | * up for reading, with its position set to the beginning of the sample data and its limit 173 | * set to the end of the sample data. 174 | * 175 | * @param presentationTimeUs The time, relative to the beginning of the media stream, 176 | * at which this buffer should be rendered. 177 | * 178 | * @param flags Flags to pass to the decoder. See {@link MediaCodec#queueInputBuffer(int, 179 | * int, int, long, int)} 180 | * 181 | * @throws MediaCodec.CryptoException 182 | */ 183 | public boolean writeSample(final ByteBuffer input, 184 | final MediaCodec.CryptoInfo crypto, 185 | final long presentationTimeUs, 186 | final int flags) throws MediaCodec.CryptoException, WriteException { 187 | boolean result = false; 188 | int size = input.remaining(); 189 | 190 | // check if we have dequed input buffers available from the codec 191 | if (size > 0 && !mAvailableInputBuffers.isEmpty()) { 192 | int index = mAvailableInputBuffers.remove(); 193 | ByteBuffer buffer = mInputBuffers[index]; 194 | 195 | // we can't write our sample to a lesser capacity input buffer. 196 | if (size > buffer.capacity()) { 197 | throw new MediaCodecWrapper.WriteException(String.format(Locale.US, 198 | "Insufficient capacity in MediaCodec buffer: " 199 | + "tried to write %d, buffer capacity is %d.", 200 | input.remaining(), 201 | buffer.capacity())); 202 | } 203 | 204 | buffer.clear(); 205 | buffer.put(input); 206 | 207 | // Submit the buffer to the codec for decoding. The presentationTimeUs 208 | // indicates the position (play time) for the current sample. 209 | if (crypto == null) { 210 | mDecoder.queueInputBuffer(index, 0, size, presentationTimeUs, flags); 211 | } else { 212 | mDecoder.queueSecureInputBuffer(index, 0, crypto, presentationTimeUs, flags); 213 | } 214 | result = true; 215 | } 216 | return result; 217 | } 218 | 219 | private static MediaCodec.CryptoInfo sCryptoInfo = new MediaCodec.CryptoInfo(); 220 | 221 | /** 222 | * Write a media sample to the decoder. 223 | * 224 | * A "sample" here refers to a single atomic access unit in the media stream. The definition 225 | * of "access unit" is dependent on the type of encoding used, but it typically refers to 226 | * a single frame of video or a few seconds of audio. {@link android.media.MediaExtractor} 227 | * extracts data from a stream one sample at a time. 228 | * 229 | * @param extractor Instance of {@link android.media.MediaExtractor} wrapping the media. 230 | * 231 | * @param presentationTimeUs The time, relative to the beginning of the media stream, 232 | * at which this buffer should be rendered. 233 | * 234 | * @param flags Flags to pass to the decoder. See {@link MediaCodec#queueInputBuffer(int, 235 | * int, int, long, int)} 236 | * 237 | * @throws MediaCodec.CryptoException 238 | */ 239 | public boolean writeSample(final MediaExtractor extractor, 240 | final boolean isSecure, 241 | final long presentationTimeUs, 242 | int flags) { 243 | boolean result = false; 244 | 245 | if (!mAvailableInputBuffers.isEmpty()) { 246 | int index = mAvailableInputBuffers.remove(); 247 | ByteBuffer buffer = mInputBuffers[index]; 248 | 249 | // reads the sample from the file using extractor into the buffer 250 | int size = extractor.readSampleData(buffer, 0); 251 | if (size <= 0) { 252 | flags |= MediaCodec.BUFFER_FLAG_END_OF_STREAM; 253 | } 254 | 255 | // Submit the buffer to the codec for decoding. The presentationTimeUs 256 | // indicates the position (play time) for the current sample. 257 | if (!isSecure) { 258 | mDecoder.queueInputBuffer(index, 0, size, presentationTimeUs, flags); 259 | } else { 260 | extractor.getSampleCryptoInfo(sCryptoInfo); 261 | mDecoder.queueSecureInputBuffer(index, 0, sCryptoInfo, presentationTimeUs, flags); 262 | } 263 | 264 | result = true; 265 | } 266 | return result; 267 | } 268 | 269 | /** 270 | * Performs a peek() operation in the queue to extract media info for the buffer ready to be 271 | * released i.e. the head element of the queue. 272 | * 273 | * @param out_bufferInfo An output var to hold the buffer info. 274 | * 275 | * @return True, if the peek was successful. 276 | */ 277 | public boolean peekSample(MediaCodec.BufferInfo out_bufferInfo) { 278 | // dequeue available buffers and synchronize our data structures with the codec. 279 | update(); 280 | boolean result = false; 281 | if (!mAvailableOutputBuffers.isEmpty()) { 282 | int index = mAvailableOutputBuffers.peek(); 283 | MediaCodec.BufferInfo info = mOutputBufferInfo[index]; 284 | // metadata of the sample 285 | out_bufferInfo.set( 286 | info.offset, 287 | info.size, 288 | info.presentationTimeUs, 289 | info.flags); 290 | result = true; 291 | } 292 | return result; 293 | } 294 | 295 | /** 296 | * Processes, releases and optionally renders the output buffer available at the head of the 297 | * queue. All observers are notified with a callback. See {@link 298 | * OutputSampleListener#outputSample(MediaCodecWrapper, android.media.MediaCodec.BufferInfo, 299 | * java.nio.ByteBuffer)} 300 | * 301 | * @param render True, if the buffer is to be rendered on the {@link Surface} configured 302 | * 303 | */ 304 | public void popSample(boolean render) { 305 | // dequeue available buffers and synchronize our data structures with the codec. 306 | update(); 307 | if (!mAvailableOutputBuffers.isEmpty()) { 308 | int index = mAvailableOutputBuffers.remove(); 309 | 310 | // releases the buffer back to the codec 311 | mDecoder.releaseOutputBuffer(index, render); 312 | } 313 | } 314 | 315 | /** 316 | * Synchronize this object's state with the internal state of the wrapped 317 | * MediaCodec. 318 | */ 319 | private void update() { 320 | // BEGIN_INCLUDE(update_codec_state) 321 | int index; 322 | 323 | // Get valid input buffers from the codec to fill later in the same order they were 324 | // made available by the codec. 325 | while ((index = mDecoder.dequeueInputBuffer(0)) != MediaCodec.INFO_TRY_AGAIN_LATER) { 326 | mAvailableInputBuffers.add(index); 327 | } 328 | 329 | 330 | // Likewise with output buffers. If the output buffers have changed, start using the 331 | // new set of output buffers. If the output format has changed, notify listeners. 332 | MediaCodec.BufferInfo info = new MediaCodec.BufferInfo(); 333 | while ((index = mDecoder.dequeueOutputBuffer(info, 0)) != MediaCodec.INFO_TRY_AGAIN_LATER) { 334 | switch (index) { 335 | case MediaCodec.INFO_OUTPUT_BUFFERS_CHANGED: 336 | mOutputBuffers = mDecoder.getOutputBuffers(); 337 | mOutputBufferInfo = new MediaCodec.BufferInfo[mOutputBuffers.length]; 338 | mAvailableOutputBuffers.clear(); 339 | break; 340 | case MediaCodec.INFO_OUTPUT_FORMAT_CHANGED: 341 | if (mOutputFormatChangedListener != null) { 342 | mHandler.post(new Runnable() { 343 | @Override 344 | public void run() { 345 | mOutputFormatChangedListener 346 | .outputFormatChanged(MediaCodecWrapper.this, 347 | mDecoder.getOutputFormat()); 348 | 349 | } 350 | }); 351 | } 352 | break; 353 | default: 354 | // Making sure the index is valid before adding to output buffers. We've already 355 | // handled INFO_TRY_AGAIN_LATER, INFO_OUTPUT_FORMAT_CHANGED & 356 | // INFO_OUTPUT_BUFFERS_CHANGED i.e all the other possible return codes but 357 | // asserting index value anyways for future-proofing the code. 358 | if (index >= 0) { 359 | mOutputBufferInfo[index] = info; 360 | mAvailableOutputBuffers.add(index); 361 | } else { 362 | throw new IllegalStateException("Unknown status from dequeueOutputBuffer"); 363 | } 364 | break; 365 | } 366 | 367 | } 368 | // END_INCLUDE(update_codec_state) 369 | 370 | } 371 | 372 | private class WriteException extends Throwable { 373 | private WriteException(final String detailMessage) { 374 | super(detailMessage); 375 | } 376 | } 377 | } 378 | --------------------------------------------------------------------------------