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Sur d’autres sites (5679)
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FFmpeg4Android : How to select videos from gallery ?
4 décembre 2015, par marianI have created an app using FFmpeg4Android library. I would like to add watermark into videos using ffmpeg. Command for adding watermark is working fine but the coding has pre-fixed video name in the command. I would like to choose videos from gallery folder and then add watermark to the videos. I do not know how to add intent for choosing videos with FFmpeg. I have tried to add the intent like this replacing the in.mp4 with PICK_FROM_GALLERY intent :
private void runTranscodingUsingLoader() {
Log.i(Prefs.TAG, "runTranscodingUsingLoader started...");
PowerManager powerManager = (PowerManager)ProgressBarExample.this.getSystemService(Activity.POWER_SERVICE);
WakeLock wakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "VK_LOCK");
Log.d(Prefs.TAG, "Acquire wake lock");
wakeLock.acquire();
Intent intent = new Intent();
intent.setType("video/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent, "Complete action using"), PICK_FROM_GALLERY);
String[] complexCommand = {"ffmpeg","-y" ,"-i", String.valueOf(PICK_FROM_GALLERY),"-strict","experimental",
"-vf", "movie=/sdcard/videokit/watermark.png [watermark];" +
" [in][watermark] overlay=main_w-overlay_w-10:10 [out]","-s",
"320x240","-r", "30", "-b", "15496k", "-vcodec", "mpeg4","-ab",
"48000", "-ac", "2", "-ar", "22050", "/sdcard/videokit/out1.mp4"};It opens the gallery but the watermarking command doesnt get executed in the selected video. Can someone help me to resolve this issue. I could not find proper references/examples regarding this. My full coding is as follows.
public class ProgressBarExample extends Activity {
public ProgressDialog progressBar;
String workFolder = null;
String demoVideoFolder = null;
String demoVideoPath = null;
String vkLogPath = null;
LoadJNI vk;
private final int STOP_TRANSCODING_MSG = -1;
private final int FINISHED_TRANSCODING_MSG = 0;
private boolean commandValidationFailedFlag = false;
private static final int PICK_FROM_GALLERY = 1;
private void runTranscodingUsingLoader() {
Log.i(Prefs.TAG, "runTranscodingUsingLoader started...");
PowerManager powerManager = (PowerManager)ProgressBarExample.this.getSystemService(Activity.POWER_SERVICE);
WakeLock wakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "VK_LOCK");
Log.d(Prefs.TAG, "Acquire wake lock");
wakeLock.acquire();
String[] complexCommand = {"ffmpeg","-y" ,"-i", "/sdcard/videokit/in.mp4","-strict","experimental",
"-vf", "movie=/sdcard/videokit/watermark.png [watermark];" +
" [in][watermark] overlay=main_w-overlay_w-10:10 [out]","-s",
"320x240","-r", "30", "-b", "15496k", "-vcodec", "mpeg4","-ab",
"48000", "-ac", "2", "-ar", "22050", "/sdcard/videokit/out1.mp4"};
///////////////////////////////////////////////////////////////////////
vk = new LoadJNI();
try {
// running complex command with validation
vk.run(complexCommand, workFolder, getApplicationContext());
// running without command validation
//vk.run(complexCommand, workFolder, getApplicationContext(), false);
// running regular command with validation
//vk.run(GeneralUtils.utilConvertToComplex(commandStr), workFolder, getApplicationContext());
Log.i(Prefs.TAG, "vk.run finished.");
// copying vk.log (internal native log) to the videokit folder
GeneralUtils.copyFileToFolder(vkLogPath, demoVideoFolder);
} catch (CommandValidationException e) {
Log.e(Prefs.TAG, "vk run exeption.", e);
commandValidationFailedFlag = true;
} catch (Throwable e) {
Log.e(Prefs.TAG, "vk run exeption.", e);
}
finally {
if (wakeLock.isHeld()) {
wakeLock.release();
Log.i(Prefs.TAG, "Wake lock released");
}
else{
Log.i(Prefs.TAG, "Wake lock is already released, doing nothing");
}
}
// finished Toast
String rc = null;
if (commandValidationFailedFlag) {
rc = "Command Vaidation Failed";
}
else {
rc = GeneralUtils.getReturnCodeFromLog(vkLogPath);
}
final String status = rc;
ProgressBarExample.this.runOnUiThread(new Runnable() {
public void run() {
Toast.makeText(ProgressBarExample.this, status, Toast.LENGTH_LONG).show();
if (status.equals("Transcoding Status: Failed")) {
Toast.makeText(ProgressBarExample.this, "Check: " + vkLogPath + " for more information.", Toast.LENGTH_LONG).show();
}
}
});
}
@Override
public void onCreate(Bundle savedInstanceState) {
Log.i(Prefs.TAG, "onCreate ffmpeg4android ProgressBarExample");
super.onCreate(savedInstanceState);
setContentView(R.layout.ffmpeg_demo_client_2);
demoVideoFolder = Environment.getExternalStorageDirectory().getAbsolutePath() + "/videokit/";
demoVideoPath = demoVideoFolder + "in.mp4";
Log.i(Prefs.TAG, getString(R.string.app_name) + " version: " + GeneralUtils.getVersionName(getApplicationContext()) );
Button invoke = (Button)findViewById(R.id.invokeButton);
invoke.setOnClickListener(new OnClickListener() {
public void onClick(View v){
Log.i(Prefs.TAG, "run clicked.");
runTranscoding();
}
});
workFolder = getApplicationContext().getFilesDir() + "/";
Log.i(Prefs.TAG, "workFolder (license and logs location) path: " + workFolder);
vkLogPath = workFolder + "vk.log";
Log.i(Prefs.TAG, "vk log (native log) path: " + vkLogPath);
GeneralUtils.copyLicenseFromAssetsToSDIfNeeded(this, workFolder);
GeneralUtils.copyDemoVideoFromAssetsToSDIfNeeded(this, demoVideoFolder);
int rc = GeneralUtils.isLicenseValid(getApplicationContext(), workFolder);
Log.i(Prefs.TAG, "License check RC: " + rc);
}
private Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
Log.i(Prefs.TAG, "Handler got message");
if (progressBar != null) {
progressBar.dismiss();
// stopping the transcoding native
if (msg.what == STOP_TRANSCODING_MSG) {
Log.i(Prefs.TAG, "Got cancel message, calling fexit");
vk.fExit(getApplicationContext());
}
}
}
};
public void runTranscoding() {
progressBar = new ProgressDialog(ProgressBarExample.this);
progressBar.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
progressBar.setTitle("FFmpeg4Android Direct JNI");
progressBar.setMessage("Press the cancel button to end the operation");
progressBar.setMax(100);
progressBar.setProgress(0);
progressBar.setCancelable(false);
progressBar.setButton(DialogInterface.BUTTON_NEGATIVE, "Cancel", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
handler.sendEmptyMessage(STOP_TRANSCODING_MSG);
}
});
progressBar.show();
new Thread() {
public void run() {
Log.d(Prefs.TAG,"Worker started");
try {
//sleep(5000);
runTranscodingUsingLoader();
handler.sendEmptyMessage(FINISHED_TRANSCODING_MSG);
} catch(Exception e) {
Log.e("threadmessage",e.getMessage());
}
}
}.start();
// Progress update thread
new Thread() {
ProgressCalculator pc = new ProgressCalculator(vkLogPath);
public void run() {
Log.d(Prefs.TAG,"Progress update started");
int progress = -1;
try {
while (true) {
sleep(300);
progress = pc.calcProgress();
if (progress != 0 && progress < 100) {
progressBar.setProgress(progress);
}
else if (progress == 100) {
Log.i(Prefs.TAG, "==== progress is 100, exiting Progress update thread");
pc.initCalcParamsForNextInter();
break;
}
}
} catch(Exception e) {
Log.e("threadmessage",e.getMessage());
}
}
}.start();
}
}Any help/guidance would be really helpful. Thank you.
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Moving ffmpeg from root to user/local
25 janvier 2015, par Edward MeaderdsI noticed that when I followed a guide to install ffmpeg (some time ago), that all of the scripts i want to use, say that ffmpeg need to be in the /usr/local/bin/ffmpeg mine is in root, how do I move the folder to the correct location without messing anything up ? My server is centos 6.5
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Compiling qt project with use of ffmpeg on x64 system
5 juin 2013, par Srv19I have a qt project that uses some ffmpeg functionality, that i have compiled previously on windows (x86) and ubuntu. However, its x86 binaries do not work correctly on x64 windows machine. I have tried compiling it but have run into a strange problem.
All ffmpeg functions i use are listed as unresolved exgternals ; and the most pecicular thing is, their names all ahve a leading underscore attached to them (so, avformat_close_input -> _avformat_close_input etc). To be sure, i have downloaded latest ffmpeg libraries for x64 machines and run them through a dependency walker - no leading underscores anywhere.
How to fix this problem ?
Here is my .pro file :
#-------------------------------------------------
#
# Project created by QtCreator 2013-05-17T10:55:01
#
#-------------------------------------------------
QT += core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
TARGET = LPR_Demo
TEMPLATE = app
# The application version
VERSION = 1.0
# Define the preprocessor macro to get the application version in our application.
DEFINES += APP_VERSION=\\\"$$VERSION\\\"
SOURCES += main.cpp\
mainwindow.cpp \
imgProcessor.cpp \
qpicturelabel.cpp \
aboutdialog.cpp \
state.cpp \
qt_videoreader.cpp \
roidialog.cpp \
recognitionresult.cpp \
ffmpeg_reader.cpp \
label_videoplayer.cpp
HEADERS += mainwindow.h \
imgProcessor.h \
qpicturelabel.h \
aboutdialog.h \
state.h \
qt_videoreader.h \
roidialog.h \
recognitionresult.h \
global.h \
ffmpeg_reader.h \
label_videoplayer.h
FORMS += mainwindow.ui \
aboutdialog.ui \
roidialog.ui
LPRDIR = $$PWD/LPR
win32: LIBS += -L$$LPRDIR/bin/ -lliblpr
unix:LIBS += -L$$LPRDIR/bin -lLPR
INCLUDEPATH += $$LPRDIR/include
DEPENDPATH += $$LPRDIR/include
INCLUDEPATH += $$PWD/
DEPENDPATH += $$PWD/
#OTHER_FILES += \
# ffmpeg.pri
include(ffmpeg.pri)
#LIBS += -lavformat -lavcodec -lavutil -lswscale
RESOURCES += \
lpr_Res.qrc
win32 {
dlls_to_move.path += $$OUT_PWD/bin
dlls_to_move.files += $$LPRDIR/bin/liblpr.dll
QTDIR=C:/Qt/4.8.4/
CONFIG (debug, debug|release) {
dlls_to_move.files += $$QTDIR/bin/QtCored4.dll \
$$QTDIR/bin/QtGuid4.dll
}
CONFIG (release, debug|release) {
dlls_to_move.files += $$QTDIR/bin/QtCore4.dll \
$$QTDIR/bin/QtGui4.dll
}
img_format.path += $$OUT_PWD/bin/imageformats
CONFIG (debug, debug|release) {
img_format.files += $$QTDIR/plugins/imageformats/qgifd4.dll \
$$QTDIR/plugins/imageformats/qicod4.dll \
$$QTDIR/plugins/imageformats/qjpegd4.dll \
$$QTDIR/plugins/imageformats/qmngd4.dll \
$$QTDIR/plugins/imageformats/qsvgd4.dll \
$$QTDIR/plugins/imageformats/qtgad4.dll \
$$QTDIR/plugins/imageformats/qtiffd4.dll
}
CONFIG (release, debug|release) {
img_format.files += $$QTDIR/plugins/imageformats/qgif4.dll \
$$QTDIR/plugins/imageformats/qico4.dll \
$$QTDIR/plugins/imageformats/qjpeg4.dll \
$$QTDIR/plugins/imageformats/qmng4.dll \
$$QTDIR/plugins/imageformats/qsvg4.dll \
$$QTDIR/plugins/imageformats/qtga4.dll \
$$QTDIR/plugins/imageformats/qtiff4.dll
}
ffmpeg_dll.path += $$OUT_PWD/bin
ffmpeg_dll.files += $$FFMPEG_LIBRARY_PATH/avutil-*.dll \
$$FFMPEG_LIBRARY_PATH/avcodec-*.dll \
$$FFMPEG_LIBRARY_PATH/avformat-*.dll \
$$FFMPEG_LIBRARY_PATH/swscale-*.dll
main_exe.path += $$OUT_PWD/bin
CONFIG (debug, debug|release) {
main_exe.files += $$OUT_PWD/debug/LPR_Demo.exe
}
CONFIG (release, debug|release) {
main_exe.files += $$OUT_PWD/release/LPR_Demo.exe
}
INSTALLS += dlls_to_move img_format ffmpeg_dll main_exe
}
unix {
CONFIG (release, debug|release) {
QMAKE_PRE_LINK += rm LPR_Demo_cmpr LPR_Demo$$escape_expand(\n\t)
QMAKE_POST_LINK += upx -9 -oLPR_Demo_cmpr LPR_Demo$$escape_expand(\n\t)
QMAKE_POST_LINK += cp -v -u LPR_Demo_cmpr $$OUT_PWD/../artifacts/examples/qt_demo/bin/unix
}
}and here is pri file for ffmpeg :
# Include the configuration file below in the QT .pro file, and modify the path accordingly.
# ##############################################################################
# ##############################################################################
# FFMPEG: START OF CONFIGURATION BELOW ->
# Copy these lines into your own project
# Make sure to set the path variables for:
# 1) ffmpeg_reader,
# 2) FFMPEG include path (i.e. where the directories libavcodec, libavutil, etc. lie),
# 3) the binary FFMPEG libraries (that must be compiled separately).
# Under Linux path 2 and 3 may not need to be set as these are usually in the standard include and lib path.
# Under Windows, path 2 and 3 must be set to the location where you placed the FFMPEG includes and compiled binaries
# Note that the FFMPEG dynamic librairies (i.e. the .dll files) must be in the PATH
# ##############################################################################
# ##############################################################################
# ##############################################################################
# Modify here: set FFMPEG_LIBRARY_PATH and FFMPEG_INCLUDE_PATH
# ##############################################################################
# Set FFMPEG_LIBRARY_PATH to point to the directory containing the FFmpeg import libraries (if needed - typically for Windows), i.e. the dll.a files
win32:FFMPEG_LIBRARY_PATH = $$PWD/ffmpeg/lib
unix: FFMPEG_LIBRARY_PATH = /usr/local/lib
# Set FFMPEG_INCLUDE_PATH to point to the directory containing the FFMPEG includes (if needed - typically for Windows)
win32:FFMPEG_INCLUDE_PATH = $$PWD/ffmpeg/include
unix:FFMPEG_INCLUDE_PATH = /usr/local/include
# ##############################################################################
# Do not modify: FFMPEG default settings
# ##############################################################################
# Set list of required FFmpeg libraries
#unix:LIBS += -L$$FFMPEG_LIBRARY_PATH
unix:LIBS += -lavformat -lavcodec -lavutil -lswscale
# Add the path
win32:LIBS += -L$$FFMPEG_LIBRARY_PATH
win32:LIBS += -lavformat -lavcodec -lavutil -lswscale
INCLUDEPATH += $$FFMPEG_INCLUDE_PATH
# Requied for some C99 defines
DEFINES += __STDC_CONSTANT_MACROS
# ##############################################################################
# FFMPEG: END OF CONFIGURATION
# ##############################################################################
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