Re: [libdv-dev] Getting RGB-Data from DV

[Charles 'B. K. <kr...@ac...>]

Oliver Strutynski <oli...@gm...> writes:

> Based on the playdv-code I am currently trying to get RGB data from a DV 
> movie for display as a background image in an OpenGL application. At the 
> moment I am still creating and initializing the display as it is done in 
> playdv.c and I am trying to display the data returned from the call to 
> dv_decode_full_frame in OpenGL.

If you just want the RGB data, you don't need andy of the dv_display_X
calls.  Instead you should call dv_decode_full_frame with something like:

        gint16  pitches[3];  
        guchar *pixels [3];

        pixels[0]  = gmalloc(dv_player->decoder->width * dv_player->decoder->height * 3);
        pitches[0] = { dv_player->decoder->width };

         ...

	dv_decode_full_frame(dv_player->decoder, dv_player->mmap_region.data_start, 
			     e_dv_color_rgb,
                             pixels,
                             &pitches[0]);

         ...

        your_gl_render_fn(...pixels[0]...)

-- Buck