[Libav-user] Settings for vorbis audio

[ವಿನೋದ್ Vinod H I]

I solved the above problem.
The values of sample rate and bit rate had to be set properly.


On Thu, Dec 19, 2013 at 2:28 PM, ವಿನೋದ್ Vinod H I <vinvinod at gmail.com>wrote:

> Hi,
> I have written a c++ code for audio transcoding.. From any given format to
> any output audio format..
> I have trouble creating a ".mka" file with vorbis codec.
>
> In my code after adding a stream , I am setting the following fields for
> codec context. (AVCodecContext * enc_ctx)
>
>                 enc_ctx -> codec_id = codec_id;
>                 enc_ctx -> codec_type = AVMEDIA_TYPE_AUDIO;
>                 enc_ctx -> bit_rate = 128000;
>                 enc_ctx -> sample_rate = 22050;
>                 enc_ctx -> sample_fmt = AV_SAMPLE_FMT_FLTP;
>                 enc_ctx -> channels = 1;
>                 enc_ctx -> channel_layout =
> av_get_default_channel_layout(enc_ctx -> channels);
>                 enc_ctx -> global_quality = 6;
>                 enc_ctx -> rc_min_rate = 64000;
>                 enc_ctx -> rc_max_rate = 128000 * 1.5;
>
> However when I call avcodec_open2(), it gives the following error.
>
>                [libvorbis @ 0x14c7100] encoder setup failed
>
> This code is working fine for .wav .aac and .ogg(with FLAC) formats.
> Can someone tell what more I have to do for vorbis?
>
> The full code is at
> http://stackoverflow.com/questions/20439640/ffmpeg-audio-transcoding-using-libav-libraries.
>
>
>
> --
> Vinod
>
>


-- 
Vinod H I
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