[Libav-user] Using LibX264 with ffmpeg libraries

noahzarc noahzarc at hotmail.co.uk
Mon Jul 23 20:36:59 CEST 2012

Nicolas George-2 wrote
> Le quartidi 24 messidor, an CCXX, Noah Arc a écrit :
>> In the past, libx264 variables such as crf was a part of AVCodecContext.
>> However, looks like in version 0.11 it has been deprecated and was moved
>> to libx264.c as a private variable. But for my project, I'm used to just
>> assign a value to crf (of a ptr of type AVCodecContext). Could someone
>> please give me a hint on how I could implement the API changes?
> You are supposed to pass the options as the third argument to
> avcodec_open2.
> There is an example in the documentation of the function.
> Please refrain from top-posting on this mailing list; and if you did not
> understand what it means, look it up.
> Regards,
> -- 
>   Nicolas George
> _______________________________________________
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> Libav-user@
> http://ffmpeg.org/mailman/listinfo/libav-user

Apologies, it's my very first time using a mailing list. Would this be the
correct way of setting priv_data?

AVDictionary *outputDictionary;
av_dict_set(&outputDictionary, "crf", "0", AV_DICT_APPEND);
avcodec_open2(outputCodecCtx, codec, &outputDictionary);


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