A predetermined number of pieces of high-quality format image data are successfully transmitted together with basic format image data. A basic video stream including encoded image data of basic format image data and an extended video stream including encoded image data of each of a predetermined number of pieces of high-quality format image data are generated, or a video stream including encoded image data of basic format image data and encoded image data of each of a predetermined number of pieces of high-quality format image data is generated. A container of a predetermined format including the generated video stream is transmitted. Identification information identifying a corresponding format is inserted into the encoded image data of the basic format image data and each of a predetermined number of pieces of high-quality format image data.