[Libav-user] AVFrame necessary fields to create correctly raw Frame

[Jorge Fonseca]

2012/8/16 Michael Bradshaw <mbradshaw at sorensonmedia.com>

> On Thu, Aug 16, 2012 at 1:26 PM, Jorge Fonseca <jcbfonseca at gmail.com>
> wrote:
> > Hi All,
> >
> > I have a C program using FFmpeg API that:
> >  - load bmp files and create a video file.
> >
> > Its works correctly.
> >
> > -------------
> >
> > Now, i need to create the same video from a RAW data (char array).
> > I allocating a frame, and try to set AVFrame directly...
> >
> > Question:
> >
> >  - Which fields a need to fill?
> >
> >    My current code is:
> >
> >         pFrameRaw = avcodec_alloc_frame();
> >         if (!pFrameRaw) {
> >             printf("Can't allocate memory for AVFrame\n");
> >             return NULL ;
> >         }
> >
> >
> >         // Determine required buffer size and allocate buffer
> >         int numBytes = avpicture_get_size(PIX_FMT_BGR24,FRAME_WIDTH,
> > FRAME_HEIGHT);
> >         uint8_t *buffer = (uint8_t *) av_malloc(numBytes *
> sizeof(uint8_t));
>
> Not sure if I understand the question, but this can be simplified if
> you use avpicture_alloc().
>

Michael,
Thanks..

And how to fill raw_data and correct format that will be used in the video
encode? Only setting data and fmt fields?

Jorge.

>
> --Michael
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