[FFmpeg-devel] Add JNI and Android content resolver support

wm4 nfxjfg at googlemail.com
Fri Oct 9 19:16:01 CEST 2015

On Fri,  9 Oct 2015 18:26:48 +0200
Matthieu Bouron <matthieu.bouron at gmail.com> wrote:

> Hello,
> The following patchset add support for the Java Native Interface in
> FFmpeg through different helpers to:
>   * manage the JNI environment (attach/detach),
>   * load classes/methods/fields from a single interface (avpriv_jni_init_jfields)
>   * manage android application context and class loader, so FFmpeg will be able to
>   load custom classes (which is needed if we want to use the MediaCodec ability to
>   decode to a surface)
>   * other helpers.
> Supporting JNI in FFmpeg will allow us to support hardware decoding on the Android
> platform through the MediaCodec API.
> The latest patch of the serie add support of the Android content resolver which is
> retreived from the application context and will allow FFmpeg to handle uris starting
> with content://

Java support has no place in libavutil, or anywhere else in ffmpeg.

Besides, even Google is gaining some sanity, and adding C APIs to some
components commonly needed by native code. (As j-b said, MediaCodec is
one of them.)

More information about the ffmpeg-devel mailing list