DK2288172T3 - Anordning til informationsbehandling, metode til informationsbehandling, gengivelsesanordning, gengivelsesmetode samt program - Google Patents

Anordning til informationsbehandling, metode til informationsbehandling, gengivelsesanordning, gengivelsesmetode samt program Download PDF

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DK2288172T3
DK2288172T3 DK10761654.2T DK10761654T DK2288172T3 DK 2288172 T3 DK2288172 T3 DK 2288172T3 DK 10761654 T DK10761654 T DK 10761654T DK 2288172 T3 DK2288172 T3 DK 2288172T3
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stream
file
view video
information
base
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DK10761654.2T
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Motoki Kato
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Sony Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H—ELECTRICITY
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N9/87—Regeneration of colour television signals
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    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G—PHYSICS
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    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G11B20/1252—Formatting, e.g. arrangement of data block or words on the record carriers on discs for discontinuous data, e.g. digital information signals, computer programme data
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    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
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    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
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    • G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
    • G11B27/322—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier used signal is digitally coded
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    • H—ELECTRICITY
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    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8451—Structuring of content, e.g. decomposing content into time segments using Advanced Video Coding [AVC]
    • H—ELECTRICITY
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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Claims (14)

1. Afspilningsanordning, der omfatter: midler til læsning, som fra et optagelsesmedium læser en sammenflettet fil, som er en fil, hvor der i blokinkrementer af en forud bestemt datamængde er sammenflettet en første strøm, der omfatter en basisstrøm, og en anden strøm, der omfatter en udvidet strøm, som svarer til basisstrømmen, hvor basisstrømmen og den udvidede strøm hhv. er basisbilledets videostrøm og det afhængige billedes videostrøm, hvilke genereres af de videostrømme, der kodes ved H.264 AVC/MVC læser en første informationsfil, der er information om den første strøm, og som har det antal blokke (n+1), der udgør den første strøm, og et startpakkenummer (0, cl, c2 ... cn) inden for den første strøm for hver blok, og læser en anden informationsfil, der er information om den anden strøm, og som har det antal blokke (n+1), der udgør den anden strøm, og et startpakkenummer (0, al, a2 ... an) inden for den anden strøm for hver blok; og separationsmidler med henblik på at separere den sammenflettede fil i den første strøm og den anden strøm ved anvendelse af den første informationsfil og den anden informationsfil.
2. Afspilningsanordning ifølge krav 1, hvor blokken er et sæt af kildepakker, der er kontinuerligt opstillet på optagelsesmediet.
3. Afspilningsanordning ifølge krav 2, hvor det antal blokke, som den første informationsfil har, og det antal blokke, som den anden informationsfil har, er det samme antal.
4. Afspilningsanordning ifølge krav 3, hvor informationsfilen derudover har information om det samlede antal kildepakker, der udgør den første strøm, og den anden informationsfil derudover har information om det samlede antal kildepakker, der udgør den anden strøm.
5. Afspilningsanordning ifølge krav 4, hvor: hvis det antal blokke, som den første informationsfil har, udtrykkes som (n + 1), de blokke, som udgør den første strøm, udtrykkes som B[i] (i = 0 til n), og den k'te blok fra hovedet af den første strøm udtrykkes som B[k], de blokke, som udgør den anden strøm, udtrykkes som D [i ] (i = 0 til n) , og den k'te blok fra hovedet af den anden strøm udtrykkes som D[k], startpakkenummeret for B[k] udtrykkes som SPN_chunk_start_l[k], startpakkenummeret for D[k] udtrykkes som SPN_chunk_start_2[k], det samlede antal kildepakker, der udgør den første strøm, udtrykkes som number_of_source_packetsl, og det samlede antal kildepakker, der udgør den anden strøm, udtrykkes som number_of_source_packets2, da finder det følgende sted: separationsmidlerne beregner det antal kildepakker, der udgør B[k], som værende (SPN chunk start l[k + 1] - SPN_chunk_start_l [k] ) , hvor k = 0 til (n - 1), separationsmidlerne beregner det antal kildepakker, der udgør D[k], som værende (SPN_chunk_start_2[k + 1] - SPN_chunk_start_2[k]), hvor k = 0 til (n - 1), separationsmidlerne beregner det antal kildepakker, der udgør B[n], som værende (number_of_source_packetsl SPN_chunk_start_l[n]), og separationsmidlerne beregner det antal kildepakker, der udgør D[n], som værende (number_of_source_packets2 SPN_chunk_start 2[n]).
6. Afspilningsanordning ifølge krav 5, idet et sæt af blokke, som har den samme værdi af i, har den samme afspilningstid, hvad angår B[i] og D[i].
7. Afspilningsanordning ifølge krav 5, der derudover omfatter: kontrolmidler med henblik på at kontrollere læsning ved hjælp af midlerne til læsning, hvor kontrolmidlerne læser et EP_kort, der er information om den første strøm og information, som har antallet af indgangspunkter inden for den første strøm, en PTS_EP_start[i], der angiver en PTS (presentation Time Stamp), og en SPN_EP_start [i] , der er et kildepakkenummer, som viser en position for hvert indgangspunkt, detekterer en PTS_EP_start[m] , som har en værdi, der er mindre end og nærmest et specificeret afspilningsstarttidspunkt detekterer en SPN_EP_start[m], der svarer til PTS_EP start[m] detekterer en SPN_chunk_start l[k], som har en værdi, der er mindre end og nærmest SPN_EP_start[m], og k deraf, og bestemmer summen af SPN_chunk_start_l[k] og SPN_chunk_start_2[k] som værende en startadresse for læsning af den sammenflettede fil.
8. Afspilningsmetode, der omfatter de følgende trin: læsning fra et optagelsesmedium af en sammenflettet fil, som er en fil, hvor der i blokinkrementer af en forud bestemt datamængde er sammenflettet en første strøm, der omfatter en basisstrøm, og en anden strøm, der omfatter en udvidet strøm, som svarer til basisstrømmen, hvor basisstrømmen og den udvidede strøm hhv. er basisbilledets videostrøm og det afhængige billedes videostrøm, hvilke genereres af de videostrømme, der kodes ved H.264 AVC/MVC, læsning af en første informationsfil, der er information om den første strøm, og som har det antal blokke, der udgør den første strøm, og et startpakkenummer inden for den første strøm for hver blok, og læsning af en anden informationsfil, der er information om den anden strøm, og som har det antal blokke, der udgør den anden strøm, og et startpakkenummer inden for den anden strøm for hver blok; og separation af den sammenflettede fil i den første strøm og den anden strøm ved anvendelse af den første informationsfil og den anden informationsfil.
9. Program, som får en computer til at køre processer, der omfatter de følgende trin: læsning fra et optagelsesmedium af en sammenflettet fil, som er en fil, hvor der i blokinkrementer af en forud bestemt datamængde er sammenflettet en første strøm, der omfatter en basisstrøm, og en anden strøm, der omfatter en udvidet strøm, som svarer til basisstrømmen, hvor basisstrømmen og den udvidede strøm hhv. er basisbilledets videostrøm og det afhængige billedes strøm, hvilke genereres af de videostrømme, der kodes ved H.264 AVC/MVC, læsning af en første informationsfil, der er information om den første strøm, og som har det antal blokke, der udgør strømmen, og et startpakkenummer inden for den første strøm for hver blok, og læsning af en anden informationsfil, der er information om den anden strøm, og som har det antal blokke, der udgør den anden strøm, og et startpakkenummer inden for den anden strøm for hver blok; og separation af den sammenflettede fil i den første strøm og den anden strøm ved anvendelse af den første informationsfil og den anden informationsfil.
10. Anordning til informationsbehandling, der omfatter: oprettelsesmidler, der opretter information om optagelsestilstand (type), som angiver, om basisstrøms data og udvidet strøms data er eller ikke er optaget på en optisk disk i en tilstand, hvor de er sammenflettet i blokinkrementer, hvilket er et forud bestemt datainkrement, i en informationsfil til afspilningshåndtering, som håndterer afspilningen af den basisstrøm og den udvidede strøm, der genereres ved kodning af multiple stykker af videodata med en forud bestemt kodningsmetode, hvor basisstrømmen og den udvidede strøm hhv. er basisbilledets videostrøm og det afhængige billedes videostrøm, hvilke genereres af videostrømme, der kodes ved H.264 AVC/MVC, og som, såfremt der er tale om optagelse i en sammenflettet tilstand i blokinkrementer, opretter en virtuel fil (10000.ilvt, 20000.ilvt), der håndterer besisstrømmen og den udvidede strøm som informationsfilen til afspilningshåndtering.
11. Anordning til informationsbehandling ifølge krav 10, hvor oprettelsesmidlerne derudover opretter identificerende information om en klipinformationsfil, der beskriver information vedrørende et klip, som er en afspilningssektion af basisstrømmen, og identificerende information om klipinformationsfilen, der beskriver information vedrørende klippet af den udvidede strøm, som anvendes til at afspille et tredimensionalt billede sammen med basisstrømmens klip.
12. Anordning til informationsbehandling ifølge krav 11, hvor oprettelsesmidlerne opretter information om basisstrømmens blokke i basisstrømmens klipinformationsfil og opretter information om den udvidede strøms blokke i den udvidede strøms informationsfil.
13. Metode til informationsbehandling, der omfatter de følgende trin: oprettelse af information om optagelsestilstand, som angiver, om basisstrøms data og udvidet strøms data er eller ikke er optaget på en optisk disk in en tilstand, hvor de er sammenflettet i blokinkrementer, hvilket er et forud bestemt datainkrement, i en informationsfil til afspilningshåndtering, som håndterer afspilningen af den basisstrøm og den udvidede strøm, der genereres ved kodning af multiple stykker af videodata med en forud bestemt kodningsmetode, hvor basisstrømmen og den udvidede strøm hhv. er basisbilledets videostrøm og det afhængige billedes videostrøm, hvilke genereres af videostrømme, der kodes ved H.264 AVC/MVC, og såfremt der er tale om optagelse i en sammenflettet tilstand i blokinkrementer, da oprettelse af en virtuel fil, der håndterer besisstrømmen og den udvidede strøm som informationsfilen til afspilningshåndtering.
14. Program, som får en computer til at køre processer, der omfatter de følgende trin: oprettelse af information om optagelsestilstand, som angiver, om basisstrøms data og udvidet strøms data er eller ikke er optaget på en optisk disk in en tilstand, hvor de er sammenflettet i blokinkrementer, som er et forud bestemt datainkrement, i en informationsfil til afspilningshåndtering, som håndterer afspilningen af den basisstrøm og den udvidede strøm, der genereres ved kodning af multiple stykker af videodata med en forud bestemt kodningsmetode, hvor basisstrømmen og den udvidede strøm hhv. er basisbilledets videostrøm og det afhængige billedes videostrøm, hvilke genereres af videostrømme, der kodes ved H.264 AVC/MVC, og såfremt der er tale om optagelse i en sammenflettet tilstand i blokinkrementer, da oprettelse af en virtuel fil, der håndterer basisstrømmen og den udvidede strøm som informationsfilen til afspilningshåndtering.
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