On Thu, May 11, 2017 at 08:10:37AM +0000, Miguel del Amor wrote:
>
> Qt version: 5.7.1
> ffmpeg version: n3.3
> Android version: 5.1.1 ( but I've tried on some different devices )
>
> I'm trying to use the Android API MediaCoded that have been supported by
> ffmpeg but while I try to open the codec I got "Operation not permitted" all
> times, I've tried some changes and I've tried to find examples without not
> luck.
>
> This is what I'm doing
>
> av_jni_set_java_vm(QAndroidJniEnvironment::javaVM(), NULL);
>
> av_register_all();
> avcodec_register_all();
>
> AVCodec *_codec(nullptr);
> AVCodecContext *_codecContext(nullptr);
>
> if (_codec == nullptr)
> _codec = avcodec_find_decoder_by_name("h264_mediacodec");
>
> if (_codecContext == nullptr)
> _codecContext = avcodec_alloc_context3(_codec);
>
> int ret = 0;
> if( (ret = avcodec_open2(_codecContext, _codec, NULL)) < 0 ) {
>
> char str[AV_ERROR_MAX_STRING_SIZE];
> memset(str, 0, sizeof(str));
> av_strerror(ret, str, sizeof(str));
>
> qDebug("avcodec_open2 \"%s\" error[code:%d
> text:\"%s\"]",_codec->long_name, ret, str);
> }
>
>
> And I'm getting this output
>
> avcodec_open2 "H.264 Android MediaCodec decoder" error[code:-1
> text:"Operation not permitted"]
>
>
> What I'm doing wrong?
>
This is the wrong mailing list, libavcodec user questions
belong to the libav-user mailing list:
http://ffmpeg.org/contact.html
Note: h264_mediacodec requires AVCodecContext.extradata to be set.
Matthieu
[...]
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