DK2369588T3 - Gengivelsesindretning, gengivelsesfremgangsmåde, optagelsesmedium, optagelsesindretning, optagelsesfremgangsmåde til optagelse af en videostream og grafik med information om beskæring af grafik - Google Patents
Gengivelsesindretning, gengivelsesfremgangsmåde, optagelsesmedium, optagelsesindretning, optagelsesfremgangsmåde til optagelse af en videostream og grafik med information om beskæring af grafik Download PDFInfo
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- DK2369588T3 DK2369588T3 DK10179417.0T DK10179417T DK2369588T3 DK 2369588 T3 DK2369588 T3 DK 2369588T3 DK 10179417 T DK10179417 T DK 10179417T DK 2369588 T3 DK2369588 T3 DK 2369588T3
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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)
- GENGIVELSESINDRETNING, GENGIVELSESFREMGANGSMÅDE, OPTAGELSESMEDIUM, OPTAGELSESINDRETNING, OPTAGELSESFREMGANGSMÅDE TIL OPTAGELSE AF EN VIDEOSTREAM OG GRAFIK MED INFORMATION OM BESKÆRING AF GRAFIK.1. Gengivelsesindretning omfattende: en læseenhed, der er indrettet til at læse, fra et optagelsesmedium (100), en grafisk stream indbefattende en flerhed af epoker, hvor hver epoke indbefatter en flerhed af visningsopsætninger (Display Sets), hvor én af visningsopsætningerne indbefatter grafiske data (ODS), vinduesdefinitionsinformation (WDS) og styreinformation [PCS]; 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 grafisk 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 af en type af én af visningsopsætningeme, styreenheden (17) er indrettet til, når det rektangulære område er en del af planhukommelsen (8), at gengive de afkodede grafisk data lagret i objektbufferen (15) i det rektangulære område og ikke at gengive de afkodede grafisk 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 90000Hz, PTS [WDS], der indikerer udførelsesstarttiden, er repræsenteret ved: PTS[WDS] = PTS[PCSJ -90000 x SIZE [WDS. WIN]/256000000, hvor SIZE [WDS. WIN] er en total vinduesstørrelse, der er udledt af vinduesdefinitionsinformationen (WDS), og styreenheden (17), når beskæringsinformation om beskæring af de afkodede grafisk data er indbefattet i styreinformationen [PCS], beskærer de afkodede grafiske data ved anvendelse af beskæringsinformationen og gengiver de beskårne data i det rektangulære område.
- 2. Gengivelsesfremgangsmåde omfattende følgende trin: læsning, fra et optagelsesmedium (100), af en grafisk strøm, der indbefatter en flerhed af epoker, hvor hver epoke indbefatter en flerhed af visningsopsætninger, hvor én af visningsopsætningeme indbefatter grafiske data (ODS), vinduesdefinitionsinformation (WDS), og styreinformation [PCS]; afkodning af de grafiske data (ODS); lagring af de afkodede grafisk data i en objektbuffer (15); og gengivelse af de afkodede grafisk data lagret i objektbufferen (15) i en planhukommelse (8); 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 visningsopsætningeme, når det rektangulære område er en del af planhukommelsen (8), gengivelse af de afkodede grafisk data lagret i objektbufferen (15) i det rektangulære område og ikke gengivelse af de afkodede grafisk 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 90000Hz, PTS [WDS], der indikerer udførelsesstarttiden, er repræsenteret ved: PTSfWDSJ = PTSfPCS] -90000 x SIZE[WDS. WIN]256000000, hvor SIZE [WDS. WIN] er en total vinduesstørrelse, der er udledt af vinduesdefinitionsinformationen (WDS), og når beskæringsinformation om beskæring af de afkodede grafisk data er indbefattet i styreinformationen [PCS], beskæring af de afkodede grafiske data ved anvendelse af beskæringsinformationen og gengivelse af de beskårne data i det rektangulære område.
- 3. Optagelsesmedium, hvorpå der er gemt en grafisk stream, der skal afspilles af en gengivelsesindretning (200), hvor den grafiske strøm indbefatter en flerhed af epoker, hvor hver epoke indbefatter en flerhed af visningsopsætninger, hvor én af visningsopsætningeme indbefatter grafiske data (ODS), vinduesdefinitionsinformation (WDS) og styreinformation [PCS], og hvor gengivelsesindretningen (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) af gengivelsesindretningen (200), vinduesdefinitionsinformationen (WDS) er fast i løbet af én epoke, styredataene [PCS] indbefatter information, der indikerer en type af én af visningsopsætningeme, de grafiske data (ODS) skal afkodes ved hjælp af processoren (12, 14), de afkodede grafisk data skal lagres i objektbufferen (15), de afkodede grafisk data lagret i objektbufferen (15) skal gengives i planhukommelsen (8) ved hjælp af styreenheden (17), og når det rektangulære område er en del af planhukommelsen (8), skal de afkodede grafiske data lagret i objektbufferen (15) gengives i det rektangulære område, og ikke gengives 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 90000Hz, PTS [WDS] der indikerer udførelsesstarttiden, er repræsenteret ved: PTSIWDSJ = PTSfPCSJ -90000 x SIZE [WDS. WIN]256000000, hvor SIZE [WDS. WIN] er en total vinduesstørrelse, der er udledt af vinduesdefinitionsinformationen (WDS), og når styreinformationen [PCS] indbefatter beskæringsinformation, anvendes beskæringsinformationen til beskæring af de afkodede grafiske data, og de beskårne data gengives i det rektangulære område ved hjælp af styreenheden (17).
- 4. Optagelsesindretning omfattende en genereringsenhed, der er indrettet til at generere en grafik stream og en optagelsesenhed, der er indrettet til at optage 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 visningsopsætningeme indbefatter grafiske data (ODS), vinduesdefinitionsinformation (WDS), styreinformation [PCS], PTS[WDS] og PTS [PCS), vinduesdefinitionsinformationen (WDS) indikerer en bredde, en højde og en position for et rektangulært område i planhukommelsen (8) af en gengivelsesindretning (200), vinduesdefinitionsinformationen (WDS) er fast i løbet af én epoke, styredataene [PCS] indbefatter information, der indikerer en type af én af visningsopsætningeme, når det rektangulære område er en del af planhukommelsen (8), gengives de afkodede grafisk data i det rektangulære område og ikke uden for det rektangulære område, PTS [WDS] indikerer en udførelsesstarttid for gengivelse af de grafiske data i det rektangulære område, PTS [PCS] 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 90000Hz, 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 vinduesdefmitionsinformationen (WDS), og når styreinformationen [PCS] indbefatter beskæringsinformation, beskæringsinformationen anvendes til beskæring af de afkodede grafiske data, og de beskårne data gengives i det rektangulære område.
- 5. Optagelsesfremgangsmåde omfattende et genereringstrin (S206, S207) til generering af en grafikstream, 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 visningsopsætningeme indbefatter grafiske data (ODS), vinduesdefinitionsinformation (WDS), styreinformation [PCS], PTS[WDS] og PTS[PCS], vinduesdefinitionsinformationen (VVDS) indikerer en bredde, en højde og en position for et rektangulært område i planhukommelsen (8) af en gengivelsesindretning (200), vinduesdefinitionsinformationen (WDS) er fast i løbet af én epoke, styredataene [PCS] indbefatter information, der indikerer en type af én af visningsopsætningeme, når det rektangulære område er en del af planhukommelsen (8), gengives de afkodede grafisk data i det rektangulære område og ikke uden for det rektangulære område, PTS [VVDS] indikerer en udførelsesstarttid for gengivelse af de grafiske data i det rektangulære område, PTS [PCS] 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 90000Hz, 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 når styreinformationen [PCS] indbefatter beskæringsinformation, anvendes beskæringsinformationen til beskæring af de afkodede grafiske data, og de beskårne data gengives i det rektangulære område.
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