A video display apparatus, comprising: a tone mapping processor adapted to perform a tone mapping process of converting a luminance of a video by using conversion characteristics according to a maximum luminance of the video; and a display adapted to display the video that has undergone the tone mapping process; characterized in that the tone mapping processor is adapted (i) to switch, according to a first flag (graphics overlay flag), between (a) a first tone mapping process of dynamically changing the conversion characteristics according to a time-dependent change in the maximum luminance of the video and (b) a second tone mapping process that is performed using, with respect to a luminance less than a border luminance level, constant conversion characteristics irrespective of the change in the maximum luminance of the video, and dynamically changing, with respect to a luminance greater than or equal to the border luminance level, the conversion characteristics according to the time-dependent change in the maximum luminance of the video; wherein the first flag (graphics overlay flag) indicates whether or not graphics are overlaid on a main video in a generating of the video; (ii) to perform the first tone mapping process when the first flag (graphics overlay flag) indicates that graphics are not overlaid on the main video; and (iii) to perform the second tone mapping process when the first flag (graphics overlay flag) indicates that graphics are overlaid on the main video. a tone mapping processor adapted to perform a tone mapping process of converting a luminance of a video by using conversion characteristics according to a maximum luminance of the video; and a display adapted to display the video that has undergone the tone mapping process; characterized in that the tone mapping processor is adapted (i) to switch, according to a first flag (graphics overlay flag), between (a) a first tone mapping process of dynamically changing the conversion characteristics according to a time-dependent change in the maximum luminance of the video and (b) a second tone mapping process that is performed using, with respect to a luminance less than a border luminance level, constant conversion characteristics irrespective of the change in the maximum luminance of the video, and dynamically changing, with respect to a luminance greater than or equal to the border luminance level, the conversion characteristics according to the time-dependent change in the maximum luminance of the video; wherein the first flag (graphics overlay flag) indicates whether or not graphics are overlaid on a main video in a generating of the video; (ii) to perform the first tone mapping process when the first flag (graphics overlay flag) indicates that graphics are not overlaid on the main video; and (iii) to perform the second tone mapping process when the first flag (graphics overlay flag) indicates that graphics are overlaid on the main video. (i) to switch, according to a first flag (graphics overlay flag), between (a) a first tone mapping process of dynamically changing the conversion characteristics according to a time-dependent change in the maximum luminance of the video and (b) a second tone mapping process that is performed using, with respect to a luminance less than a border luminance level, constant conversion characteristics irrespective of the change in the maximum luminance of the video, and dynamically changing, with respect to a luminance greater than or equal to the border luminance level, the conversion characteristics according to the time-dependent change in the maximum luminance of the video; wherein the first flag (graphics overlay flag) indicates whether or not graphics are overlaid on a main video in a generating of the video; (a) a first tone mapping process of dynamically changing the conversion characteristics according to a time-dependent change in the maximum luminance of the video and (b) a second tone mapping process that is performed using, with respect to a luminance less than a border luminance level, constant conversion characteristics irrespective of the change in the maximum luminance of the video, and dynamically changing, with respect to a luminance greater than or equal to the border luminance level, the conversion characteristics according to the time-dependent change in the maximum luminance of the video; wherein the first flag (graphics overlay flag) indicates whether or not graphics are overlaid on a main video in a generating of the video; using, with respect to a luminance less than a border luminance level, constant conversion characteristics irrespective of the change in the maximum luminance of the video, and dynamically changing, with respect to a luminance greater than or equal to the border luminance level, the conversion characteristics according to the time-dependent change in the maximum luminance of the video; (ii) to perform the first tone mapping process when the first flag (graphics overlay flag) indicates that graphics are not overlaid on the main video; and (iii) to perform the second tone mapping process when the first flag (graphics overlay flag) indicates that graphics are overlaid on the main video.