[Libav-user] ffmpeg on android - cannot write output file

[Cen-bi Liu]

yes.

On Fri, Feb 13, 2015 at 10:19 AM, wm4 <nfxjfg at googlemail.com> wrote:

> On Fri, 13 Feb 2015 10:08:29 -0600
> Cen-bi Liu <cenbiliu at gmail.com> wrote:
>
> > Hi all,
> >
> > I'm new to ffmpeg and trying to use ffmpeg as a shared library in Android
> > to convert PCM to an .mp4 file by following tutorials.
> >
> > I hit a snag in my openOutputFile function, I have the following which
> has
> > given me an error (passing in "/sdcard/a.mp4" for filename):
> >
> > if ((error = avio_open(&output_io_context, filename,
> >                        AVIO_FLAG_WRITE)) < 0) {
> >     __android_log_print(ANDROID_LOG_ERROR, "encoder","couldn't open
> > output file");
> >     exit(1);}
> >
> > My configure for ffmpeg compilation is as follows:
> >
> > ./configure \--prefix=$PREFIX \--enable-demuxer=mov
> > \--enable-muxer=mov \--enable-libvpx \--enable-libvorbis
> > \--enable-protocol=file \--enable-shared \--disable-static
> > \--disable-doc \--disable-ffmpeg \--disable-ffplay \--disable-ffprobe
> > \--disable-ffserver \--disable-avdevice \--disable-symver
> > \--cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi-
> > \--target-os=linux \--arch=arm \--enable-cross-compile
> > \--sysroot=$SYSROOT \--extra-cflags="-Os -fpic $ADDI_CFLAGS"
> > \--extra-ldflags="$ADDI_LDFLAGS" \
> >
> > When searching, I have come across others' experiencing similar issues
> and
> > added the --enable-protocol=file and --enable-muxer=mov when compiling
> > ffmpeg. I did add the permissions to external storage in the manifest.xml
> > file. Please let me know what you think.
> >
> > Cheers,
> >
> > Cen
>
> Does fopen() work?
> _______________________________________________
> Libav-user mailing list
> Libav-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/libav-user
>



-- 
===============================

Cen Bi Liu
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://ffmpeg.org/pipermail/libav-user/attachments/20150213/c16de2af/attachment.html>