Method and apparatus for generating stereoscopic file
A method and apparatus for generating a stereoscopic file defined based on a conventional International Standardization Organization (ISO) based media file format. The apparatus includes an encoder encoding first video data and second video data that are included in three-dimensional (3D) video data; and a file generating unit arranging the encoded first video data and second video data according to the information of a stereoscopic file format including boxes that are selected from boxes included in a conventional International Standardization Organization (ISO) based media file format in order to store and generate the stereoscopic file, and generating the stereoscopic file.
1. An apparatus for generating a stereoscopic file, the apparatus comprising:
an encoder encoding first video data and second video data that are included in three-dimensional (3D) video data; and
a file generating unit arranging the encoded first video data and second video data according to the information of a stereoscopic file format including boxes that are selected from boxes included in a conventional International Standardization Organization (ISO) based media file format in order to store in a memory and generate the stereoscopic file, and generating the stereoscopic file,
wherein the stereoscopic file comprises a value indicating the structure thereof,
wherein the value indicates one of a first type representing stereoscopic content with one elementary stream and a second type representing stereoscopic content with two elementary streams, and
wherein the stereoscopic file includes an sedi box for stereoscopic camera and display safety information and a svmi box for stereoscopic video media information.
2. The apparatus of claim 1 , wherein the stereoscopic file format has a structure defined by
ftyp
file type and compatibility
moov
container for all the metadata
mvhd
movie header
trak
container for an individual
track or stream
tkhd
track header
mdia
container for media data
information track
mdhd
media header
hdlr
handler, declares the
media(handler)type
minf
media information container
vmhd
video media header
smhd
sound media header
hmhd
Null media header
nmhd
data information box
dinf
data reference box
dref
hint media header
stbl
sample description box
stsd
sample descriptions
stts
(decoding) time-to-sample
stsc
Sample-to-chunk
stsz
samples sizes
stco
chunk offset
mdat
media data container
wherein the ftyp box indicates a file type and compatibility, the moov box includes all metadata relating to media data, the mvhd box indicates a movie header the trak box is a container for each track of stream, the tkhd box is a track header including general information regarding a track, the mdia box is a container for media data information included in a track, the mdhd box indicates a media header, the hdlr box is a handler defining a type of media, the minf box is a container for the media data information, the vmhd box includes video media header information, the smhd box includes sound media header information, the hmhd box includes hint media header information, the nmhd box includes Null media header information, the dinf box is a data information container, the dref box is a data reference box defining sources of media in a track, the stbl box is a sample table box, the stsd box is a sample description box for information, the stts box indicates a decoding type of a sample, the stsc box is a sample-to-chunk box indicating a location where a sample bitstream is stored, the stsz box indicates bitstream sizes of samples, the stco box is a chunk offset box indicating where a sample bitstream is stored, and the mdat box is a container including media data.
3. The apparatus of claim 2 , wherein the stereoscopic file comprises two elementary streams (ESs) each including left view video data and right view video data.
4. The apparatus of claim 2 , wherein the stereoscopic file comprises an elementary stream (ES) in which samples or frames of the left view video data and samples or frames of the right view video data are interleaved in a frame unit and arranged.
5. The apparatus of claim 2 , wherein the stereoscopic file has a structure for stereoscopic content including stereoscopic data.
6. The apparatus of claim 1 , wherein the stereoscopic file format has a structure defined by
ftyp
file type and compatibility
pdin
Progressive download
information
moov
container for all the metadata
mvhd
movie header
trak
container for an individual
track or stream
tkhd
track header
tref
track reference container
edts
edit list container
elst
an edit list
mdia
container for media data
information track
mdhd
media header
hdlr
handler, declares the
media(handler)type
minf
media information container
vmhd
video media header
smhd
sound media header
hmhd
Null media header
nmhd
data information box
dinf
data reference box
dref
hint media header
stbl
sample description box
stsd
sample descriptions
stts
(decoding) time-to-sample
stsc
Sample-to-chunk
stsz
samples sizes
stz2
compact sample sizes
stco
chunk offset, partical
data-offset information
co64
64-bit chunk offset
stss
sync sample table (random
access point)
ipmc
IPMP Control Box
mdat
media data container
meta
metadata
hdlr
handler, declares the
media(handler)type
iloc
item location
iinf
item information
xml
XML container
bxml
binary XML container
scdi
stereoscopic camera and
display information
svmi
stereoscopic video media
information
wherein the ftyp box indicates a file type and compatibility, the pdin box includes information necessary to download a file, the moov box is a container for media data, the mvhd box indicates a movie header, the trak box is a container for each track or stream, the tkhd box is a track header including general information regarding a track, the tref box is a container for indicating a reference track, the edts box is an edit list container, the elst box is a box related to a presentation time line, the mdia box is a container for media data information included in a track, the mdhd box indicates a media header, the hdlr box is a handler defining a type of media, the minf box is a container for the media data information, the vmhd box includes video media header information, the smhd box includes sound media header information, the hmhd box includes hint media header information, the nmhd box includes Null media header information, the dinf box is a data information container, the dref box is a data reference box defining sources of media in a track, the stbl box is a sample table box, the stsd box is a sample description box for information, the stts box indicates a decoding type of a sample, the stsc box is a sample-to-chunk box indicating a location where a sample bitstream is stored, the stsz box indicates bitstream sizes of samples, the stz2 box indicates compact bitstream sizes of samples, the stco box is a chunk offset box indicating where a sample bitstream is stored, the co64 box is a chunk offset box represented by 64-bit, the stss box is a sync sample table box, the ipmc box is a control box related to content protection, the mdat box is a container including media data, the meta box is a container for storing additional metadata, the hdlr box is a handler box defining the type of metadata, the iloc box is a box specifying an item location, the iinf box is a box specifying item information, the xml box is a container for xml, the bxml box is a container for binary xml, the scdi box is a box for stereoscopic camera and display safety information, and the svmi box is a box for stereoscopic video media information.
7. The apparatus of claim 6 , wherein the stereoscopic file has a structure for stereoscopic content defined by assembling stereoscopic data and monoscopic data.
8. A method generating a stereoscopic file, the method comprising:
encoding first video data and second video data that are included in three-dimensional (3D) video data; and
arranging the encoded first video data and second video data according to the information of a stereoscopic file format including boxes that are selected from boxes included in a conventional International Standardization Organization (ISO) based media file format in order to store and generate the stereoscopic file, and generating the stereoscopic file,
wherein the stereoscopic file comprises a value indicating the structure of the stereoscopic file,
wherein the value indicates one of a type representing stereoscopic content with one elementary stream and a second type representing stereoscopic content with two elementary streams, and
wherein the stereoscopic file includes an sedi box for stereoscopic camera and display safety information and a svmi box for stereoscopic video media information.
9. The method of claim 8 , wherein the stereoscopic file format has a structure defined by
ftyp
file type and compatibility
moov
container for all the metadata
mvhd
movie header
trak
container for an individual
track or stream
tkhd
track header
mdia
container for media data
information track
mdhd
media header
hdlr
handler, declares the
media(handler)type
minf
media information container
vmhd
video media header
smhd
sound media header
hmhd
Null media header
nmhd
data information box
dinf
data reference box
dref
hint media header
stbl
sample description box
stsd
sample descriptions
stts
(decoding) time-to-sample
stsc
Sample-to-chunk
stsz
samples sizes
stco
chunk offset
mdat
media data container
wherein the ftyp box indicates a file type and compatibility, the moov box includes all metadata relating to media data, the mvhd box indicates a movie header, the trak box is a container for each track or stream, the tkhd box is a track header including general information regarding a track, the mdia box is a container for media data information included in a track, the mdhd box indicates a media header, the hdlr box is a handler defining a type of media, the minf box is a container for the media data information, the vmhd box includes video media header information, the smhd box includes sound media header information, the hmhd box includes hint media header information, the nmhd box includes Null media header information, the dinf box is a data information container, the dref box is a data reference box defining sources of media in a track, the stbl box is a sample table box, the stsd box is a sample description box for information, the stts box indicates a decoding type of a sample, the stsc box is a sample-to-chunk box indicating a location where a sample bitstream is stored, the stsz box indicates bitstream sizes of samples, the stco box is a chunk offset box indicating where a sample bitstream is stored, and the mdat box is a container including media data.
10. The method of claim 8 , wherein the stereoscopic file comprises two elementary streams (ESs) each including left view video data and right view video data.
11. The method of claim 8 , wherein the stereoscopic file comprises an elementary stream (ES) in which samples or frames of the left view video data and samples or frames of the right view video data are interleaved in a frame unit and arranged.
12. The method of claim 8 , wherein the stereoscopic file format has a structure defined by
ftyp
file type and compatibility
pdin
Progressive download
information
moov
container for all the metadata
mvhd
movie header
trak
container for an individual
track or stream
tkhd
track header
tref
track reference container
edts
edit list container
elst
an edit list
mdia
container for media data
information track
mdhd
media header
hdlr
handler, declares the
media(handler)type
minf
media information container
vmhd
video media header
smhd
sound media header
hmhd
Null media header
nmhd
data information box
dinf
data reference box
dref
hint media header
stbl
sample description box
stsd
sample descriptions
stts
(decoding) time-to-sample
stsc
Sample-to-chunk
stsz
samples sizes
stz2
compact sample sizes
stco
chunk offset, partical
data-offset information
co64
64-bit chunk offset
stss
sync sample table
(random access point)
ipmc
IPMP Control Box
mdat
media data container
meta
metadata
hdlr
handler, declares the
media(handler)type
iloc
item location
iinf
item information
xml
XML container
bxml
binary XML container
scdi
stereoscopic camera and
display information
svmi
stereoscopic video media
information
wherein the ftyp box indicates a file type and compatibility, the pdin box includes information necessary to download a file, the moov box is a container for media data, the mvhd box indicates a movie header, the trak box is a container for each track or stream, the tkhd box is a track header including general information regarding a track, the tref box is a container for indicating a reference track, the edts box is an edit list container, the elst box is a box related to a presentation time line, the mdia box is a container for media data information included in a track, the mdhd box indicates a media header, the hdlr box is a handler defining a type of media, the minf box is a container for the media data information, the vmhd box includes video media header information, the smhd box includes sound media header information, the hmhd box includes hint media header information, the nmhd box includes Null media header information, the dinf box is a data information container, the dref box is a data reference box defining sources of media in a track, the stbl box is a sample table box, the stsd box is a sample description box for information, the stts box indicates a decoding type of a sample, the stsc box is a sample-to-chunk box indicating a location where a sample bitstream is stored, the stsz box indicates bitstream sizes of samples, the stz2 box indicates compact bitstream sizes of samples, the stco box is a chunk offset box indicating where a sample bitstream is stored, the co64 box is a chunk offset box represented by 64-bit, the stss box is a sync sample table box, the ipmc box is a control box related to content protection, the mdat box is a container including media data, the meta box is a container for storing additional metadata, the hdlr box is a handler box defining the type of metadata, the iloc box is a box specifying an item location, the iinf box is a box specifying item information, the xml box is a container for xml, the bxml box is a container for binary xml, the scdi box is used for stereoscopic camera and display safety information, and the svmi box is used for stereoscopic video media information.
13. The method of claim 12 , wherein the stereoscopic file has a structure for stereoscopic content defined by assembling stereoscopic data and monoscopic data.
14. The method of claim 12 , wherein the stereoscopic file has a structure for stereoscopic content including stereoscopic data.