[FFmpeg-devel] NC camera patch (last round hopefully)

[Michael Niedermayer]

On Thu, Jan 15, 2009 at 04:55:39PM -0500, nicolas martin wrote:
> Hi everybody !
>
> I sent a patch a few days ago, I didn't receive much comments except I was 
> harcoding the fps of my video decoder.
>
> The stream is MPEG-4 but I don't know if there is a standard way of 
> finding/estimating the fps in such feeds.
>
> If there is one, can somebody please help me in doing so ...
> Once this is done, I don't think there will be much to do for my patch to 
> be accepted, so I'll stop bugging you around and will be happy :)
>
> Thanks again everyone.
>
> I re-attached my patch as I think it is not that big !
[...]
> +static int nc_read_header(AVFormatContext *s, AVFormatParameters *ap)
> +{
> +    AVStream *st = av_new_stream(s, 0);
> +
> +    if (!st)
> +        return AVERROR(ENOMEM);
> +
> +    st->codec->codec_type = CODEC_TYPE_VIDEO;
> +    st->codec->codec_id   = CODEC_ID_MPEG4;
> +    st->need_parsing      = AVSTREAM_PARSE_FULL;
> +
> +    av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);

the timebase of the file you posted is 1/100
we could assume that all use this

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Breaking DRM is a little like attempting to break through a door even
though the window is wide open and the only thing in the house is a bunch
of things you dont want and which you would get tomorrow for free anyway
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