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    MediaSPIP automatically converts uploaded files to internet-compatible formats.
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  • Formulaire personnalisable

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Sur d’autres sites (5680)

  • How to use SDL libraries in the Android project built using ffmpeg

    25 mai 2012, par Harish

    I have built ffmpeg for Android on Ubuntu and used these libraries in an Android project through JNI. But using this I could only use the avcodec & avformat APIs and I read that I need to use SDL libs to display the video file.

    I have installed SDL (.configure, make & make install) and specified the .so file in my Android.mk file

    (LOCAL_LDLIBS := -llog -ljnigraphics -lz -lm $(LOCAL_PATH)/ffmpeg-0.8/android/armv7-a/libffmpeg.so $(LOCAL_PATH)/ffmpeg-0.8/android/armv7-a/libSDL.so)

    as I was getting "undefined reference to" errors.

    But now it complains that /jni/ffmpeg-0.8/android/armv7-a/libSDL.so : could not read symbols : File in wrong format.

    I am not sure if I haven't built the libraries correctly or I haven't specified the correct library in the JNI make file.

  • How to add app logo on video in android

    12 juillet 2017, par hasan_y_shaikh

    I have a video stored in my internal storage. I want to add the app logo to the video and play it in my android app.

    I have googled a bit and got the following results,

    https://github.com/WritingMinds/ffmpeg-android-java

    Adding watermark bitmap over video in android : 4.3’s MediaMuxer or ffmpeg

    But from these references i am not getting how to implement the feature which i want.
    So can any one please help me out in finding the solution for this.

  • How to build and use ffmpeg within android

    28 octobre 2016, par Shaggydev

    I am prototyping a fairly simple camera app to test out using MediaRecorder to create a custom camera activity with one snag, I want to set the aspect ratio of recorded videos to a 1x1. Through much research I have found that this is only possible by using a library like FFMPEG to crop each frame of the video to the size I desire.

    I have read many tutorials and articles on different ways to build FFMPEG into Android, but most of them are either outdated and use older versions of both the Android NDK and FFMPEG, or more recent ones just do not work when followed. I tried following the popular http://www.roman10.net/how-to-build-ffmpeg-for-android/‎ and a few other similar ones that all lead to an error about a missing pkg-config file because FFMPEG is generally meant to be installed on linux or another OS apparently. I found some information about building FFMPEG in android by using a make-standalone-toolchain.sh file here http://software.intel.com/en-us/android/blogs/2013/12/06/building-ffmpeg-for-android-on-x86 and can’t make heads or tails as to how to go about using this method.

    This now leads into my question : What is the best/proven way currently to build and use FFMPEG within android applications ? If the standalone toolchain method is the way to go, is there any material better than the one listed that is easier to follow ? I would even be open to a reliable template application with the FFMPEG Libraries ready to go (if this is possible) ; although, I would much rather know how to build this into android for future use.

    Thank you in advance for any advice or suggestions on this issue.

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