Carriage systems encoding or decoding JPEG 2000 video
A system configured to decode video data in a packetized elementary stream (PES) including frames of image data. The system includes a processor configured to receive a transport stream including control information associated with the image data including video metadata parameters associated with application specific functions applicable to the image data. The processor is also configured to receive the PES including the frames of image data in video access units. The processor is configured to retrieve and decode the retrieved video access units using the control information to form a signal including the frames of image data. The system also includes a storage device configured to store the frames of image data and the control information.
1. A method of decoding video data in a packetized elementary stream (PES) including frames of image data, the method comprising:
(a) receiving a transport stream including,
(i) control information associated with the image data including video metadata parameters associated with application specific functions applicable to the image data;
(ii) the PES, wherein the PES includes the frames of image data in video access units, each video access unit including,
(aa) an elementary stream (ELSM) header including image data metadata parameters associated with decoding and displaying the image data,
(bb) a PES header including timing reference information,
(cc) one or more codestreams associated with a frame of the image data;
(b) retrieving each video access unit present in an order associated with the timing reference information in the PES header of the video access unit; and
(c) decoding the retrieved video access unit using the control information to form a signal including the frames of image data;
(d) wherein the PES is a JPEG 2000 Part 1 (J2K) video elementary stream consisting of J2K video access units;
(e) wherein each of said video access units are ordered for presentation in a monotonic order based upon the timing reference information being incremented by one.
2. The decoding method of claim 1 , wherein the PES is a J2K video sequence consisting of J2K video access units having one or more matching image data metadata parameters in the ELSM header of the J2K video access units.
3. The decoding method of claim 1 , wherein the control information is encoded in a video descriptor including video component parameters configured to enable a high level acquisition of a video component.
4. The decoding method of claim 3 , wherein the video component parameters are configured to associate the video component with a program in the transport stream.
5. The decoding method of claim 1 , wherein the video metadata parameters include a parameter identifying a profile and level associated with each video access unit.
6. The decoding method of claim 1 , wherein the video metadata parameters include a parameter identifying a time code associated with each video access unit.
7. The decoding method of claim 1 , wherein the video metadata parameters include a parameter identifying a frame count associated with each video access unit.
8. The decoding method of claim 1 , wherein the video metadata parameters include a parameter identifying whether the video data is interlaced video.
9. The decoding method of claim 1 , wherein the packets in the ES have an MPEG-2 Part 1 container format.
10. A system configured to encode frames of image data from an incoming signal into video data in a packetized elementary stream (PES), the system comprising:
(a) a processor configured to
(i) receive a signal including the frames of image data and control information associated with the image data including video metadata parameters associated with application specific functions applicable to the image data,
(ii) encode the frames of image data to form video access units, each video access unit including
(a) an elementary stream (ELSM) header including image data metadata parameters associated with decoding and displaying the image data,
(b) a PES header including timing reference information, and
(c) one or more codestreams associated with a frame of the image data,
(iii) map the video access units into PES packets using the timing reference information in the PES header of the respective video access units, and
(iv) order the PES packets in a monotonic order for decoding in the PES packets to form a PES in a transport stream including the control information;
(b) wherein each of said video access units are ordered for presentation in a monotonic order based upon the timing reference information being incremented by one.
11. A method that includes a processor configured to encode frames of image data from an incoming signal into video data in a packetized elementary stream, comprising:
(a) receiving a signal including the frames of image data and control information associated with the image data including video metadata associated with application specific functions applicable to the image data, where each of said frame of image data is intracoded,
(b) encoding the frames of image data to form video units, each video unit including,
(i) an elementary stream header including image data metadata parameters associated with decoding and displaying the image data,
(ii) a packetized elementary stream header including timing reference information,
(iii) one or more codestreams associated with a frame of the image data,
(iv) map the video units into packetized elementary stream packets using the timing reference information in the packetized elementary stream header of the respective video units;
(v) order the packetized elementary stream packets in a monotonic order for presentation using the timing reference information in the packetized elementary stream packets to form a packetized elementary stream in a stream including the control information; and
(c) providing a transport stream;
(d) wherein each of said video units are ordered for said presentation in said monotonic order based upon the timing reference information being incremented by one.
12. A method that includes a processor configured to decode frames of image data from an incoming signal into video data from a packetized elementary stream, comprising:
(a) receiving a signal including the frames of image data and control information associated with the image data including video metadata associated with application specific functions applicable to the image data, where each of said frame of image data is intracoded,
(b) decoding the frames of image data from video units, each video unit including,
(i) an elementary stream header including image data metadata parameters associated with decoding and displaying the image data,
(ii) a packetized elementary stream header including timing reference information,
(iii) one or more codestreams associated with a frame of the image data,
(iv) a map of the video units from packetized elementary stream packets using the timing reference information in the packetized elementary stream header of the respective video units,
(v) ordering the packetized elementary stream packets in a monotonic order for presentation using the timing reference information in the packetized elementary stream packets from a packetized elementary stream in a stream including the control information;
(c) wherein each of said video units are ordered for said presentation in said monotonic order based upon the timing reference information being incremented by one.