codec->codec_type = AVMEDIA_TYPE_VIDEO;
codec->width = bi->bmiHeader.biWidth;
codec->height = bi->bmiHeader.biHeight;
codec->pix_fmt = vfw_pixfmt(biCompression, biBitCount);
if(codec->pix_fmt == PIX_FMT_NONE) {
codec->codec_id = vfw_codecid(biCompression);
codec->codec_type = AVMEDIA_TYPE_VIDEO;
codec->width = bi->bmiHeader.biWidth;
codec->height = bi->bmiHeader.biHeight;
codec->pix_fmt = vfw_pixfmt(biCompression, biBitCount);
if(codec->pix_fmt == PIX_FMT_NONE) {
codec->codec_id = vfw_codecid(biCompression);