1. An automatic identification system for printer recordable media, which can detect different recordable media with different load features to be printed by a printer, the system comprising:
a transport device for delivering the different recordable media;
a driving device, which is connected to the transport device and drives the transport device;
a photo encoder, which is configured on the transport device such that the photo encoder produces a position signal respectively of the different recordable media when the transport device delivers the different recordable media;
a photosensor, which is connected to the photo encoder and detects the position signals; and
a processor, which receives and processes the position signals to thus identify the different recordable media.
2. The system as claimed in claim 1, wherein the driving device is a motor.
3. The system as claimed in claim 2, wherein the motor is rotated with a predetermined torque for a predetermined time, and the transport device delivers the different recordable media to different positions in accordance with the load features respectively of the different recordable media.
4. The system as claimed in claim 3, further comprising an amplifier, which is connected to the motor and outputs a control signal to rotate the motor with a predetermined speed for the predetermined time.
5. The system as claimed in claim 1, wherein the processor further comprises a position pulse counter to convert the position signals into digital position signals.
6. The system as claimed in claim 1, further comprising a photodetector, which is connected to the processor and produces a locating signal to the processor when the different recordable media reaching a predetermined position is detected.
7. The system as claimed in claim 1, further comprising a non-volatile memory, which is connected to the processor and records positions of the different recordable media when the motor is rotated with a predetermined torque for a predetermined time.
8. The system as claimed in claim 1, wherein the transport device further comprises a first roller and a second roller, and axes of the first roller and the second roller are parallel to each other.
9. The system as claimed in claim 1, wherein the different recordable media comprise an opaque record medium and a transparent recordable medium.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for video coding, comprising:
providing an indication in a syntax element, said indication indicative of a picture to be used as reference picture in decoding, and
providing an instruction in said syntax element, said instruction indicative of a reference picture list structure, said reference picture list to be used in decoding.
2. A method according to claim 1, further comprising:
providing at least one of said indication and said instruction in a picture parameter set for decoding, said picture parameter set being common to a number of picture slices to be decoded.
3. A method according to claim 1, comprising:
providing an idle reference picture list instruction in said syntax element, said idle reference picture list instruction indicative of an idle reference picture list structure, pictures in said idle reference picture list to be used as reference pictures in decoding of another picture than the current picture.
4. A method according to claim 3, comprising:
providing an identification of an algorithm to be used for adding and removing pictures from said idle reference picture list in case provision or transmission of said idle reference picture list can be at least partially omitted.
5. A method for decoding video data, comprising:
decoding from a bitstream an indication from a syntax element, said indication indicative of a picture to be used as reference picture in decoding,
decoding an instruction from said syntax element, said instruction indicative of a reference picture list structure, said reference picture list to be used in decoding, and
using said indication and said instruction in handling reference pictures in decoding of video data.
6. A method according to claim 5, comprising:
decoding an idle reference picture list instruction in a syntax element, said idle reference picture list instruction indicative of an idle reference picture list structure, pictures in said idle reference picture list to be used as reference pictures in decoding of another picture than the current picture.
7. A method according to claim 6, comprising:
decoding from a bitstream an identification of an algorithm to be used for adding and removing pictures from said idle reference picture list in case provision or transmission of said idle reference picture has been at least partially omitted.
8. An apparatus comprising a processor, memory including computer program code, the memory and the computer program code configured to, with the processor, cause the apparatus to perform at least the following:
provide an indication in a syntax element, said indication indicative of a picture to be used as reference picture in decoding, and
provide an instruction in said syntax element, said instruction indicative of a reference picture list structure, said reference picture list to be used in decoding.
9. An apparatus according to claim 8, further comprising computer program code configured to, with the processor, cause the apparatus to perform at least the following:
provide at least one of said indication and said instruction in a picture parameter set for decoding, said picture parameter set being common to a number of picture slices to be decoded.
10. An apparatus according to claim 8, further comprising computer program code configured to, with the processor, cause the apparatus to perform at least the following:
provide a idle reference picture list instruction in said syntax element, said idle reference picture list instruction indicative of an idle reference picture list structure, pictures in said idle reference picture list to be used as reference pictures in decoding of another picture than the current picture.
11. An apparatus according to claim 10, further comprising computer program code configured to, with the processor, cause the apparatus to perform at least the following:
provide an identification of an algorithm to be used for adding and removing pictures from said idle reference picture list in case provision or transmission of said idle reference picture list can be at least partially omitted.
12. An apparatus for decoding video data comprising a processor, memory including computer program code, the memory and the computer program code configured to, with the processor, cause the apparatus to perform at least the following:
decode from a bitstream an indication from a syntax element, said indication indicative of a picture to be used as reference picture in decoding,
decode an instruction from said syntax element, said instruction indicative of a reference picture list structure, said reference picture list to be used in decoding, and
use said indication and said instruction in handling reference pictures in decoding of video data.
13. An apparatus according to claim 12, wherein said instruction is indicative of a reference picture list structure that comprises an ordered list of reference pictures.
14. An apparatus according to claim 12, further comprising computer program code configured to, with the processor, cause the apparatus to perform at least the following:
decode an idle reference picture list instruction in a syntax element, said idle reference picture list instruction indicative of an idle reference picture list structure, pictures in said idle reference picture list to be used as reference pictures in decoding of another picture than the current picture.
15. An apparatus according to claim 14, further comprising computer program code configured to, with the processor, cause the apparatus to perform at least the following:
decode from a bitstream an identification of an algorithm to be used for adding and removing pictures from said idle reference picture list in case provision or transmission of said idle reference picture has been at least partially omitted.
16. An apparatus according to claim 14, wherein the apparatus is a transcoder element in a network.
17. A computer program product comprising computer program code embodied on a non-transitory computer-readable memory, said computer program code comprising:
a computer program code section for providing an indication in a syntax element, said indication indicative of a picture to be used as reference picture in decoding, and
a computer program code section for providing an instruction in said syntax element, said instruction indicative of a reference picture list structure, said reference picture list to be used in decoding.
18. A computer program product according to claim 17, said computer program code further comprising:
a computer program code section for providing an idle reference picture list instruction in a syntax element, said idle reference picture list instruction indicative of an idle reference picture list structure, pictures in said idle reference picture list to be used as reference pictures in decoding of another picture than the current picture.
19. A computer program product comprising computer program code embodied on a non-transitory computer-readable memory, said computer program code comprising:
a computer program code section for decoding from a bitstream an indication from a syntax element, said indication indicative of a picture to be used as reference picture in decoding,
a computer program code section for decoding an instruction from said syntax element, said instruction indicative of a reference picture list structure, said reference picture list to be used in decoding, and
a computer program code section for using said indication and said instruction in handling reference pictures in decoding of video data.
20. A computer program product according to claim 19, said computer program code further comprising:
a computer program code section for decoding an idle reference picture list instruction in a syntax element, said idle reference picture list instruction indicative of an idle reference picture list structure, pictures in said idle reference picture list to be used as reference pictures in decoding of another picture than the current picture.