Don't advertise the (old-style) software decoders unless they're actually present.

        if (strncmp(componentName, "OMX.", 4)) {

            // Not an OpenMax component but a software codec.

#if HAVE_SOFTWARE_DECODERS

            results->push();

            CodecCapabilities *caps = &results->editItemAt(results->size() - 1);

            caps->mComponentName = componentName;

#endif

            continue;

        }