Mechanism for memory reduction in picture-in-picture video generation

A method comprising:nreceiving, from a transmitting device, a plurality of video streams at a receiving device coupled to the transmitting device, wherein a first video stream of the plurality of video streams is designated to be displayed as a main video and one or more other video streams of the plurality of video streams are designated to be displayed as one or more sub videos to the main video;transforming the one or more other video streams into the one or more sub videos;temporarily holding the one or more sub videos in a compressed frame buffer, and wherein the one or more sub videos are predictively compressed according to a down-sampling ratio prior to being held in the compressed frame buffer; andmerging, via on-the-fly pixel replacement, the main video and the one or more sub videos into a final video image capable of being displayed on a single screen utilizing a display device, wherein the on-the-fly pixel replacement includes replacing a first set of pixels of the screen occupied by a section of the main video with a second set of pixels relating to the one or more sub videos, and wherein the one or more sub videos are predictively decompressed in advance of the second set of pixels relating to the one or more sub videos replacing the first set of pixels relating to the main video, wherein the predictive compression and decompression are performed in real-time and include frame-based or row-based.

A system comprising:na data processing device having a storage medium and a processor coupled with the storage medium, the data processing device further having a mechanism, wherein the mechanism to:nreceive, from a transmitting device, a plurality of video streams at a receiving device coupled to the transmitting device, wherein a first video stream of the plurality of video streams is designated to be displayed as a main video and one or more other video streams of the plurality of video streams are designated to be displayed as one or more sub videos to the main video,transform the one or more other video streams into the one or more sub videos,temporarily hold the one or more sub videos in a compressed frame buffer, and wherein the one or more sub videos are predictively compressed according to a down-sampling ratio prior to being held in the compressed frame buffer, andmerge, via on-the-fly pixel replacement, the main video and the one or more sub videos into a final video image capable of being displayed on a single screen utilizing a display device, wherein the on-the-fly pixel replacement includes replacing a first set of pixels of the screen occupied by a section of the main video with a second set of pixels relating to the one or more sub videos, and wherein the one or more sub videos are predictively decompressed in advance of the second set of pixels relating to the one or more sub videos replacing the first set of pixels relating to the main video, wherein the predictive compression and decompression are performed in real-time and include frame-based or row-based.

An apparatus comprising a data processing device having a storage medium and a processor coupled with the storage medium, the processor to:nreceive, from a transmitting device, a plurality of video streams at a receiving device coupled to the transmitting device, wherein a first video stream of the plurality of video streams is designated to be displayed as a main video and one or more other video streams of the plurality of video streams are designated to be displayed as one or more sub videos to the main video;transform the one or more other video streams into the one or more sub videos;temporarily hold the one or more sub videos in a compressed frame buffer, and wherein the one or more sub videos are predictively compressed according to a down-sampling ratio prior to being held in the compressed frame buffer; andmerge, via on-the-fly pixel replacement, the main video and the one or more sub videos into a final video image capable of being displayed on a single screen utilizing a display device, wherein the on-the-fly pixel replacement includes replacing a first set of pixels of the screen occupied by a section of the main video with a second set of pixels relating to the one or more sub videos, and wherein the one or more sub videos are predictively decompressed in advance of the second set of pixels relating to the one or more sub videos replacing the first set of pixels relating to the main video, wherein the predictive compression and decompression are performed in real-time and include frame-based or row-based.