[x264-devel] Problem on using x264_encoder_encode

[Alessandro Ferrari]

2009/8/25 Jason Garrett-Glaser <darkshikari at gmail.com>

> On Tue, Aug 25, 2009 at 10:51 AM, Alessandro
> Ferrari<alessandroferrari87 at gmail.com> wrote:
> > 2009/8/25 Jason Garrett-Glaser <darkshikari at gmail.com>
> >>
> >> On Tue, Aug 25, 2009 at 2:57 AM, Alessandro
> >> Ferrari<alessandroferrari87 at gmail.com> wrote:
> >> > Hi dear community,
> >> >                              I have a problem with the encoding using
> >> > x264.
> >> > After I call x264_encoder_encode( h, &nal, &i_nal, pic, &pic_out)
> >> > function
> >> > I have nal= NULL, i_nal=0 and the function return 0. I'm sure that pic
> >> > contain the correct image. The x264_t h is open using the default
> >> > parameters, i only change width and length of the video. The function
> >> > don't
> >> > give me any error, it seems that it not encode any data. I include the
> >> > code
> >> > of encoding function that I implement watching x264.c.
> >>
> >> x264 has an encoding delay depending on your parameters; it will not
> >> return frames until a number of frames have been inputted.  This delay
> >> is used for lookahead purposes.  Keep inputting frames and you will
> >> eventually get frames out.
> >>
> >> Dark Shikari
> >
> > I have a strange error when i try to access  at the fields of x264_t. I
> have
> > this compilation error:
> > transcoder.c:173: error: dereferencing pointer to incomplete type
> > The automatic code completion of my ide don't find any fields for the
> > pointer at x264_t h, but the compiler correct recognize the presence of
> the
> > type x264_t. I include on the x264.h header. Can this the cause of
> problem?
> > Many thanks.
>
> x264_t is an opaque handler for the encoder; you are not supposed to
> be able to access its internal variables.
>
> Dark Shikari
>
Ok, now I understand. I have any possibilities to change this frame delay?
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