[x264-devel] Problem on using x264_encoder_encode

[Jason Garrett-Glaser]

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