video/audio_codec_id in AVFormatParameters to override/help demuxer
av_guess_codec() to guess the default codecs based upon muxer + filename

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There's an option -grab <format> that basically acts as -i
      but for grabbing. So now it's possible to grab from multiple
      sources at once and fully control -r -s and -pix_fmt for
      each individual grab.

    * removing -dv1394
      Please use -grab dv1394 instead.

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direction flag for seeking

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the banner; this will hopefully help in bug reporting

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fix vorbis in nut again

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