DK2367174T3 - Afspilningsindretning, afspilningsfremgangsmåde, optagelsesmedium, optagelsesindretning, optagelsesfremgangsmåde til optagelse af en videostream og grafik med afkodningstidsstempel og vinduesinformation over grafisk visning - Google Patents
Afspilningsindretning, afspilningsfremgangsmåde, optagelsesmedium, optagelsesindretning, optagelsesfremgangsmåde til optagelse af en videostream og grafik med afkodningstidsstempel og vinduesinformation over grafisk visning Download PDFInfo
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- DK2367174T3 DK2367174T3 DK10179413.9T DK10179413T DK2367174T3 DK 2367174 T3 DK2367174 T3 DK 2367174T3 DK 10179413 T DK10179413 T DK 10179413T DK 2367174 T3 DK2367174 T3 DK 2367174T3
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- H04N9/8227—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal the additional signal being at least another television signal
Claims (5)
- AFSPILNINGSINDRETNING, AFSPILNINGSFREMGANGSMÅDE, OPTAGELSESMEDIUM, OPTAGELSESINDRETNING, OPTAGELSESFREMGANGSMÅDE TIL OPTAGELSE AF EN VIDEOSTREAM OG GRAFIK MED AFKODNINGSTIDSSTEMPEL OG VINDUESINFORMATION OVER GRAFISK VISNING1. Afspilningsindretning, der omfatter: en læseenhed, der er indrettet til at læse, fra et optagelsesmedium (100), en grafisk stream, der indbefatter en flerhed af epoker, hvor hver epoke indbefatter en flerhed af visningsopsætninger (Display Sets), hvor én af visningsopsætningerne indbefatter vinduesdefinitionsinformation (WDS), grafiske data (ODS), styredata (PCS) og et afkodningstidsstempel (DTS), der indikerer afkodningstid for de grafiske data (ODS); en processor (12, 14), der er indrettet til at afkode de grafiske data (ODS); en objektbuffer (15), der er indrettet til at lagre de afkodede grafiske data; en planhukommelse (8) og en styreenhed (17); hvor vinduesdefinitionsinformationen (WDS) indikerer en bredde, højde og position for et rektangulært område i planhukommelsen (8), vinduesdefinitionsinformationen (WDS) er fast i løbet af én epoke, styredataene (PCS) indbefatter information, der indikerer en type af én af visningsopsætningerne, styreenheden (17) er indrettet til, når det rektangulære område er en del af planhukommelsen, at gengive de afkodede grafiske data, der er lagret i objektbufferen, i det rektangulære område og ikke at gengive de afkodede grafiske data uden for det rektangulære område, den grafiske stream indbefatter PTS [WDS], der indikerer en udførelsesstarttid for gengivelse af de grafiske data i det rektangulære område, og PTS [PCS], der indikerer en udførelsessluttid for gengivelse af de grafiske data i planhukommelsen (8), overførselshastigheden mellem objektbufferen (15) og planhukommelsen (8) er 256 Mbit/s, og nøjagtigheden af PTS er 90000 Hz, PTS [WDS], der indikerer udførelsesstarttiden, er repræsenteret ved: PTS [WDS] = PTS [PCS] - 90000 x SIZE [WDS. WIN]/256000000, hvor SIZE [WDS.WIN] er en total vinduesstørrelse, der er udledt af vinduesdefinitionsinformationen (WDS), og processoren (12, 14) starter en fremgangsmåde til afkodning af de grafiske data (ODS) på et tidspunkt, der er indikeret af afkodningstidsstemplet (DTS).
- 2. Afspilningsfremgangsmåde, der omfatter følgende trin: læsning, fra et optagelsesmedium (100), af en grafisk stream, der indbefatter en flerhed af epoker, hvor hver epoke indbefatter en flerhed af visningsopsætninger, hvor én af visningsopsætningerne indbefatter vinduesdefinitionsinformation (WDS), grafiske data (ODS), styredata (PCS) og et afkodningstidsstempel (DTS), der indikerer afkodningstid for de grafiske data (ODS); afkodning af de grafiske data (ODS); lagring af de afkodede grafiske data i en objektbuffer (15); gengivelse af de afkodede grafiske data, der er lagret i objektbufferen (15) i en planhukommelse (8); og start af en fremgangsmåde til afkodning af grafiske data (ODS) på et tidspunkt, der er indikeret af afkodningstidsstemplet (DTS), hvor vinduesdefinitionsinformationen (WDS) indikerer en bredde, højde og position for et rektangulært område i planhukommelsen (8), vinduesdefinitionsinformationen (WDS) er fast i løbet af én epoke, styredataene (PCS) indbefatter information, der indikerer en type af én af visningsopsætningerne, når det rektangulære område er en del af planhukommelsen (8), gengives de afkodede grafiske data, der er lagret i objektbufferen (15), i det rektangulære område, og de afkodede grafiske data gengives ikke uden for det rektangulære område, den grafiske stream indbefatter PTS [WDS], der indikerer en udførelsesstarttid for gengivelse af de grafiske data i det rektangulære område, og PTS [PCS], der indikerer en udførelsessluttid for gengivelse af de grafiske data i planhukommelsen (8), overførselshastigheden mellem objektbufferen (15) og planhukommelsen (8) er 256 Mbit/s, og nøjagtigheden af PTS er 90000 Hz, og PTS [WDS], der indikerer udførelsesstarttiden, er repræsenteret ved: PTS [WDS] = PTS [PCS] - 90000 x SIZE [WDS. WIN]/256000000, hvor SIZE [WDS.WIN] er en total vinduesstørrelse, der er udledt af vinduesdefinitionsinformationen (WDS).
- 3. Optagelsesmedium, der har lagret derpå en grafisk stream, der skal afspilles af en afspilningsindretning (200), hvor den grafiske stream indbefatter en flerhed af epoker, hvor hver epoke indbefatter en flerhed af visningsopsætninger, hvor én af visningsopsætningerne indbefatter vinduesdefinitionsinformation (WDS), grafiske data (ODS), styredata (PCS) og et afkodningstidsstempel (DTS), der indikerer afkodningstid for de grafiske data (ODS), hvilken afspilningsindretning (200) indbefatter en processor (12, 14), en objektbuffer (15), en planhukommelse (8) og en styreenhed (17), hvor vinduesdefinitionsinformationen (WDS) indikerer en bredde, en højde og en position for et rektangulært område i planhukommelsen (8) for afspilningsindretningen (200), vinduesdefinitionsinformationen (WDS) er fast i løbet af én epoke, styredataene (PCS) indbefatter information, der indikerer en type af én af visningsopsætningerne, de grafiske data (ODS) skal afkodes af processoren (12, 14), de afkodede grafiske data skal lagres i objektbufferen (15), de afkodede grafiske data, der er lagret i objektbufferen (15), skal gengives i planhukommelsen (8) af styreenheden (17), når det rektangulære område er en del af planhukommelsen, skal de afkodede grafiske data, der er lagret i objektbufferen, gengives i det rektangulære område og ikke gengives uden for det rektangulære område, den grafiske stream omfatter PTS [WDS], der indikerer en udførelsesstarttid for gengivelse af de grafiske data i det rektangulære område, og PTS [PCS], der indikerer en udførelsessluttid for gengivelse af de grafiske data i planhukommelsen (8), overførselshastigheden mellem objektbufferen (15) og planhukommelsen (8) er 256 Mbit/s, og nøjagtigheden af PTS er 90000 Hz, PTS [WDS], der indikerer udførelsesstarttiden, er repræsenteret ved: PTS [WDS] = PTS [PCS] - 90000 x SIZE [WDS. WIN]/256000000, hvor SIZE [WDS. WIN] er en total vinduesstørrelse, der er udledt af vinduesdefinitionsinformationen (WDS), og en fremgangsmåde til afkodning af grafiske data (ODS), der skal starte på et tidspunkt, der er indikeret af afkodningstidsstemplet (DTS), ved hjælp af processoren (12, 14).
- 4. Optagelsesindretning, der omfatter en genereringsenhed, der er indrettet til at generere en grafisk stream, en optagelsesenhed, der er indrettet til at optage den grafiske stream på et optagelsesmedium (100), hvilken grafisk stream indbefatter en flerhed af epoker, hvor hver epoke indbefatter en flerhed af visningsopsætninger, hvor én af visningsopsætningerne indbefatter vinduesdefinitionsinformation (WDS), grafiske data (ODS), styredata (PCS) og et afkodningstidsstempel (DTS), der indikerer afkodningstid for de grafiske data (ODS), vinduesdefinitionsinformationen (WDS) indikerer en bredde, en højde og en position for et rektangulært område i planhukommelsen (8) af en afspilningsindretning (200), vinduesdefinitionsinformationen (WDS) er fast i løbet af én epoke, styredataene (PCS) indbefatter information, der indikerer en type af én af visningsopsætningerne, når det rektangulære område er en del af planhukommelsen (8), gengives de afkodede grafiske data i det rektangulære område og gengives ikke uden for det rektangulære område, en fremgangsmåde til afkodning af de grafiske data (ODS) i afspilningsindretningen (200) startes på et tidspunkt, der indikeres af afkodningstidsstemplet (DTS), den grafiske stream indbefatter PTS [WDS], der indikerer en udførelsesstarttid for gengivelse af de grafiske data i det rektangulære område, og PTS [PCS], der indikerer en udførelsessluttid for gengivelse af de grafiske data i planhukommelsen (8), overførselshastigheden mellem objektbufferen (15) og planhukommelsen (8) er 256 Mbit/s, og nøjagtigheden af PTS er 90000 Hz, PTS [WDS], der indikerer udførelsesstarttiden, er repræsenteret ved: PTS [WDS] = PTS [PCS] - 90000 x SIZE [WDS. WIN]/256000000, hvor SIZE [WDS.WIN] er en total vinduesstørrelse, der er udledt af vinduesdefinitionsinformationen (WDS).
- 5. Optagelsesfremgangsmåde, der omfatter et genereringstrin (S206, S207) til generering af en grafisk stream og et optagelsestrin (S203) med optagelse af den grafiske stream på et optagelsesmedium (100), hvor den grafiske stream indbefatter en flerhed af epoker, hvor hver epoke indbefatter en flerhed af visningsopsætninger, hvor én af visningsopsætningerne indbefatter vinduesdefinitionsinformation (WDS), grafiske data (ODS), styredata (PCS) og et afkodningstidsstempel (DTS), der indikerer afkodningstid for de grafiske data (ODS), TPS[WDS] og PTS[PCS], vinduesdefinitionsinformationen (WDS) indikerer en bredde, en højde og en position for et rektangulært område i planhukommelsen (8) af en afspilningsindretning (200), vinduesdefinitionsinformationen (WDS) er fast i løbet af én epoke, styredataene (PCS) indbefatter information, der indikerer en type af én af visningsopsætningerne, når det rektangulære område er en del af planhukommelsen (8), gengives de afkodede grafiske data i det rektangulære område og gengives ikke uden for det rektangulære område, en fremgangsmåde til afkodning af grafiske data (ODS) i afspilningsindretningen (200) startes på et tidspunkt, der indikeres af afkodningstidsstemplet (DTS), den grafiske stream indbefatter PTS [WDS], der indikerer en udførelsesstarttid for gengivelse af de grafiske data i det rektangulære område, og PTS [PCS], der indikerer en udførelsessluttid for gengivelse af de grafiske data i planhukommelsen (8), overførselshastigheden mellem objektbufferen (15) og planhukommelsen (8) er 256 Mbit/s, og nøjagtigheden af PTS er 90000 Hz, PTS [WDS], der indikerer udførelsesstarttiden, er repræsenteret ved: PTS [WDS] = PTS [PCS] - 90000 x SIZE [WDS. WIN]/256000000, hvor SIZE [WDS.WIN] er en total vinduesstørrelse, der er udledt af vinduesdefinitionsinformationen (WDS).
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