Abstract: The present technology relates to a reproducing apparatus for enabling an appropriate video depending on a viewing environment to be reproduced, a reproducing method, an information processing apparatus, an information processing method, a program, and a recording medium. The reproducing apparatus according to the present technology analyzes reproduction management information describing therein type information on a form of providing a HDR video which is compatible with a SDR video with a standard luminance range and whose luminance range is wider than the standard luminance range or a form of providing the SDR video compatible with the HDR video. Further, the reproducing apparatus acquires and reproduces encoding data of the HDR video or encoding data of the SDR video provided in a form indicated by the type information. The present technology is applicable to Blu-ray Disc players.

Abstract: The present disclosure relates to an information processing apparatus, an information processing method and a program as well as a recording medium for enabling at least a bit rate of an image to be reproduced to be converted. A BD-J execution unit sets conversion equation information indicating a conversion equation for converting at least a bit rate of a graphics to be reproduced. A conversion unit converts at least the bit rate of the graphics to be reproduced by use of the conversion equation indicated by the conversion equation information set by the BD-J execution unit. The present disclosure can be applied to a reproducing apparatus and the like for reproducing an optical disc recording therein a stream file of AV stream of main video in a video format different in bit rate or color gamut, a BDJO file, a file of BD-J, and the like.

Abstract: The present technology relates to a reproducing device, a reproducing method, an information processing device, an information processing method, a program, and a recording medium, which are capable of reproducing an appropriate HDR video. The reproducing device of the present technology acquires reproduction management information in which a first flag indicating whether or not encoded data of a first HDR video which is mandatory when a video of a luminance range wider than a standard luminance range is included in content is included in the content and a second flag indicating whether or not encoded data of a second HDR video that is likely to be included in the content is included in the content are described. Further, the reproducing device reproduces the encoded data of the first HDR video or the encoded data of the second HDR video on the basis of the details of the first flag and the second flag and performance of a display serving as an output destination.

Abstract: To enable copy control according to original copy control information at a data output destination by converting copy control information defined in MMT format data into copy control information defined by DTCP and transmitting the converted copy control information to a network-connected device. The copy control information defined in the MMT format data is converted into the copy control information defined by DTCP and transmitted to the network-connected device. In the case where the transmission data is any of a 4K image, an 8K image, or an HDR image, and in a case where the copy control information defined by DTCP2 and the transmission data are images are 2K images or SDR images, the copy control information defined by DTCP1 is generated and recorded in a control information storage packet or a program map table (PMT) to be transmitted to a network-connected device, and transmitted.

Abstract: The problem of the present disclosure relates to enabling smooth communication of high-image-quality video content between apparatuses. A video communication device including: a communication unit that receives, from one or more video processing devices, device information of each of the one or more video processing devices; and a determination unit that determines, on the basis of one or more pieces of device information received by the communication unit, whether or not each of the one or more video processing devices has a high image quality function, the high image quality function being a function that supports any of high image qualities of 4K or more, in which the communication unit transmits video content having the high image quality to a video processing device that has been determined by the determination unit to have the high image quality function.

Abstract: The present technology relates to a reproduction device, a reproduction method, and a recording medium capable of displaying graphics with a broader dynamic range of luminance and appropriate brightness. An optical disc records STN_table associating HDR graphics, which are graphics having a second luminance range different from and broader than a first luminance range, with tone_mapping_info including HDR information indicating a luminance characteristic of the HDR graphics and tone_mapping_info, which is tone mapping definition information used when luminance conversion from the HDR graphics to STD graphics which are graphics having the first luminance range is performed, the HDR graphics, and the tone_mapping_info. The present technology is applicable to a recording medium recording graphics.

Abstract: There is provided a reproduction apparatus, a reproduction method, a program, and a recording medium that can prevent an unnatural change in luminance in a case where other information is displayed by being superimposed on a video. A reproduction apparatus according to an aspect of the present technology receives a video stream to which dynamic metadata including luminance information of a picture has been added, and in a case where predetermined information is superimposed and displayed on the picture, adds metadata indicated by a flag indicating the metadata used for luminance adjustment while the predetermined information is superimposed and displayed to the picture constituting the received video stream, and outputs the picture to which the metadata has been added to a display apparatus. The present technology can be applied to a Blu-ray (registered trademark) Disc player.

Abstract: There is provided a reproduction apparatus, a reproduction method, a program, and a recording medium that make it possible to stabilize display upon starting of reproduction of an HDR video stream. The reproduction apparatus according to one aspect of the present technology decodes, in a case where a first content including a first HDR video stream to which dynamic metadata including luminance information of a unit of a video frame is added and a second content including a second HDR video stream to which the dynamic metadata is not added and with which static metadata including luminance information of a unit of a content is associated are included in reproducible contents and the second content is to be reproduced, the second HDR video stream, and adds the dynamic metadata to video data obtained by the decoding and outputs resulting data to a display apparatus. The present technology can be applied to a Blu-ray Disc player.

Abstract: Provided is an information processing apparatus including: a data processing unit configured to execute a data reproduction process. The data processing unit includes a decode unit that decodes reproduction control information of subtitle data included in reproduction target data, and the decode unit acquires color space designation information, electro-optical transfer function (EOTF) designation information, and color depth designation information that are recorded in subtitle data reproduction control information, and generates output subtitle data in accordance with acquired information.

Abstract: To enable an HDR image and an HDR image metadata to be stored in an MP4 file, and a reproduction device to reproduce an optimum HDR image based on metadata. In generating the MP4 file that stores HDR image data, the HDR image metadata is recorded in the MP4 file. An HDR image metadata storage box is set to a trak box or a traf box in the MP4 file, and the HDR image metadata is stored. The reproduction device acquires the HDR image metadata stored in the MP4 file, determines whether executing a conversion process of the HDR image read from the MP4 file according to the acquired metadata and display function information of the display unit, and executes an output image generation process according to a determination result.

Abstract: The present technology relates to a reproduction device, a reproduction method, and a recording medium capable of displaying graphics with a broader dynamic range of luminance and appropriate brightness. An optical disc records STN_table associating HDR graphics, which are graphics having a second luminance range different from and broader than a first luminance range, with tone_mapping_info including HDR information indicating a luminance characteristic of the HDR graphics and tone_mapping_info, which is tone mapping definition information used when luminance conversion from the HDR graphics to STD graphics which are graphics having the first luminance range is performed, the HDR graphics, and the tone_mapping_info. The present technology is applicable to a recording medium recording graphics.

Abstract: A configuration is realized in which a packet delimiter can be discriminated from an MMTP packet string including MMT format data, and a packet can be selectively acquired and reproduced. The MMT format data is input through a broadcast wave or the like, a packet length of an MMT protocol (MMTP) packet including the MMT format data is acquired, and recording data in which an additional header storing the acquired packet length is set before the MMTP packet, is generated, and is recorded in an information recording medium. A reproducing device is capable of discriminating a delimiter of each MMTP packet, according to the packet length of the MMTP packet, read from the additional header, is capable of acquiring reproducing data, for example, image data, from the selected packet, and is capable of decoding and reproducing the acquired data.

Abstract: A virtual file system (VFS) is constructed by reliably acquiring subsequent data corresponding to an information recording medium from a local storage unit, and thus, data reproduction is executed. A data processing unit executes processing of selecting data associated with the information recording medium from the local storage unit, as reproduction target data, executes directory name calculation processing in which a conversion function corresponding to a version of the information recording medium is applied to configuration data of a root certificate recorded in the information recording medium, at the time of performing the processing of selecting the reproduction target data, and selects data which is recorded in a directory having a calculated directory name from the local storage unit, as the reproduction target data.

Abstract: There is provided an information processing device, an information processing method, a program, and a recording medium that make it possible to set a dynamic range of an image to be reproduced. A Java setting unit sets a dynamic range of an image to be reproduced. A generation unit generates the image to be reproduced in the dynamic range set by the Java setting unit. The present disclosure can be applied, for example, to a reproducing device or the like that reproduces an optical disk that records an AV stream of a main video in a standard dynamic range (SDR) and an AV stream of a main video in a high dynamic range (HDR).

Abstract: A configuration is realized that allows reproduction control on the basis of age at the time of reproduction by recording information regarding age permitted for reproduction corresponding to media recorded content. A clip AV stream file storing content to be reproduced acquired from input data including MPEG-2 TS format data or MMT format data and information regarding age permitted for reproduction corresponding to content acquired from the input data are placed into a playlist file, a clip information file, a usage control information file, or other file and recorded in media. A reproduction apparatus reads the information regarding age permitted for reproduction corresponding to the content to be reproduced from the playlist file or other file and compares the information regarding age permitted for reproduction with user's age information, thus allowing for content reproduction to be controlled.

Abstract: Data reproduction is performed in a mode decided on the basis of disc type information which is record data of a disc. A reading rate compatible with a physical format of a disc is compared with a reading rate compatible with a disc type, and in a case where the reading rates do not coincide with each other, data read from the disc at the physical format compatible rate is stored in the buffer, and the reproduction process is performed using the data output from the buffer at the disc type compatible rate. In a case where the physical format is BD-R or BD-RE, and the logical format is a logical format compatible with BDMV-UHD, the emulation mode reproduction accompanied with the rate conversion using the buffer is performed.

Abstract: An information processing apparatus generates index information including entire information and individual information, the entire information being information related to an entire recording medium as a recording destination of content including at least video data, the entire information including at least any of information related to resolution of video of the content recorded in the recording medium, information related to a codec, and information related to a luminance range, the individual information being information related to each of pieces of content recorded in the recording medium, the individual information including at least any of information related to resolution of video, information related to a codec, and information related to a luminance range, and then, controls to record the generated index information onto the recording medium.

Abstract: There is provided an information processing apparatus that reproduces data recorded onto a recording medium, the apparatus including: circuitry configured to convert a color space of an image recorded onto the recording medium, and superimpose a main content image and a sub-content image recorded onto the recording medium, wherein, when a color space of the main content image corresponds to BT.709 format, the circuitry determines to convert color spaces of the sub-content image and the main content image into the same color space, and wherein, when the color space of the main content image corresponds to BT.2020 format, the circuitry determines to not convert the color space of the sub-content image into BT.2020 format.

Abstract: A configuration capable of recording MMT format data on a medium as BDAV format data and performing copy control according to the original copy control information is achieved. The MMT format data, for which copy control information is set, is input and recorded on an information recording medium as BDAV format data. As record data, (a) a stream file including a packet string in which the MMT format data is stored, and (b) copy control information corresponding to the stream file, in which the copy control information corresponding to the MMT format data is reflected, are generated and recorded as an additional header of a packet included in the stream file or as another file.

Abstract: The present technology relates to a playing apparatus, a playing method, an information processing apparatus, an information processing method, a program, and a recording medium that allow playing of appropriate HDR videos. A playing apparatus in an aspect of the present technology has a storage unit that has regions for storing a plurality of units of information indicating the state of the playing apparatus including preference information indicating the type of an HDR video to be preferentially played, out of a first HDR video that is essential in including in a content an HDR video as a video in a wider brightness range than a standard brightness range and a second HDR video that is capable of being included in the content. The playing apparatus acquires encoded data of the HDR video to be preferentially played indicated by the preference information, out of encoded data of the first HDR video and encoded data of the second HDR video, and decodes the acquired encoded data.