tv/tuner/1.0/IDemux.hal

package android.hardware.tv.tuner@1.0;

import IDemuxCallback;

/**
 * Demultiplexer(Demux) takes a single multiplexed input and splits it into
 * one or more output.
 *
 */
interface IDemux {

    /**
     * Set a frontend resource as data input of the demux
     *
     * It is used by the client to specify a hardware frontend as data source of
     * this demux instance. A demux instance can have only one data source.
     *
     * @return result Result status of the operation.
     *         SUCCESS if successful,
     *         INVALID_STATE if failed for wrong state.
     *         UNKNOWN_ERROR if failed for other reasons.
     */
    setFrontendDataSource(FrontendId frontendId) generates (Result result);

    /**
     * Close the Demux instance
     *
     * It is used by the client to release the demux instance. HAL clear
     * underneath resource. client mustn't access the instance any more.
     *
     * @return result Result status of the operation.
     *         SUCCESS if successful,
     *         UNKNOWN_ERROR if failed for other reasons.
     */
    close() generates (Result result);
};