Government Code, 54953.5
(a) Any person attending an open and public meeting of a legislative body of a local agency shall have the right to record the proceedings with an audio or video tape recorder or a still or motion picture camera in the absence of a reasonable finding by the legislative body of the local agency that the recording cannot continue without noise, illumination, or obstruction of view that constitutes, or would constitute, a persistent disruption of the proceedings.
(b) Any tape or film record of an open and public meeting made for whatever purpose by or at the direction of the local agency shall be subject to inspection pursuant to the California Public Records Act (Chapter 3.5 (commencing with Section 6250) of Division 7 of Title 1), but notwithstanding Section 34090, may be erased or destroyed 30 days after the taping or recording. Any inspection of video or tape recording shall be provided without charge on a video or tape player made available by the local agency.