PeerStreamer

     * avcodec_default_get_buffer() instead of providing buffers allocated by

     * some other means.

     * - encoding: unused

     */

    int (*get_buffer)(struct AVCodecContext *c, AVFrame *pic);

     * A released buffer can be reused in get_buffer().

     * pic.data[*] must be set to NULL.

     * - encoding: unused

     */

    void (*release_buffer)(struct AVCodecContext *c, AVFrame *pic);

     * avcodec_default_reget_buffer() instead of providing buffers allocated by

     * some other means.

     * - encoding: unused

     */

    int (*reget_buffer)(struct AVCodecContext *c, AVFrame *pic);