Sample entry boxes
Sample entries (sample descriptions) in ISO/IEC 14496-12 may contain codec-specific or format-independent child boxes that provide configuration and descriptive information for the samples in a track. These boxes are placed inside the sample entry within the SampleDescriptionBox ('stsd').
Some boxes are defined for use in the abstract VisualSampleEntry, AudioSampleEntry, or MetaDataSampleEntry containers and are therefore codec-independent — they apply across multiple coding formats. Others are specific to a particular codec or format.
Showing 100 of 100 entries
code | description | handler | specification |
|---|---|---|---|
3sib | MVD Scalability Information SEI Message Box | Video | NALu Video |
6vpC | Viewport Configuration | Volumetric visual media | V3C-SYS |
a3dC | A3DConfigurationBox | Video | NALu Video |
auxi | AuxiliaryTypeInfoBox of an auxiliary image sequence track | Video | HEIF |
av1C | AOM Video Codec Configuration | Video | AV1-ISOBMFF |
avcC | AVC Configuration | Video | NALu Video |
btrt | Bit-rate information | General | ISO |
cclv | Content colour volume | Video | ISO |
ccst | Coding Constraints | Video | HEIF |
chnl | Channel layout | Audio | ISO |
clap | Clean aperture | Video | ISO |
clli | Content Light Level | Video | ISO |
colr | Color information (see note below) | Video | ISO |
CoLL | Content Light Level Box | Video | VPxx |
dac3 | Decoder specific info for AC-3 audio | Audio | ETSI AC-3 |
dac4 | Decoder specific info for AC-4 audio | Audio | ETSI AC-4 |
dec3 | Decoder specific info for Enhanced AC-3 audio | Audio | ETSI AC-3 |
dfLa | Free Lossless Audio Codec (FLAC) specific data | Audio | FLAC |
dhec | Default HEVC extractor constructor box | Video | NALu Video |
dmix | Downmix instructions | Audio | ISO |
dmlp | Decoder specific info for MLP audio | Audio | Dolby MLP |
dvcC | Dolby Vision Configuration | Video | Dolby Vision |
dvvC | Dolby Vision Extended Configuration | Video | Dolby Vision |
dvwC | Dolby Vision Extended Configuration 2 | Video | Dolby Vision |
ecam | Extrinsic camera parameters | Video | NALu Video |
esds | Elementary stream descriptor | General | MP4v2 |
evcC | EVC configuration | Video | NALu Video |
evsC | Configuration for EVC slice component track | Video | NALu Video |
fiel | Field Coding | Video | MJ2 |
hvcC | HEVC Configuration | Video | NALu Video |
hvtC | HEVC Tile Configuration | Video | NALu Video |
icam | Intrinsic camera parameters | Video | NALu Video |
jpgC | JPEG Configuration | Image Item and Image sequences | HEIF |
leqi | Loudness equalization instructions | Audio | DRC |
lhvC | Layered HEVC Configuration | Video | NALu Video |
m4ds | MPEG-4 descriptors | General | NALu Video |
maeI | MPEG-H Audio scene information | Audio | MPEG-H |
maeM | MPEG-H Audio multi-stream signalling | Audio | MPEG-H |
mdcv | mastering display colour volume | Video | ISO |
mhaC | MPEG-H Audio Decoder Configuration | Audio | MPEG-H |
mhaD | MPEG-H Audio dynamic range control and loudness | Audio | MPEG-H |
mhaP | MPEG-H Audio profile and level compatibility set | Audio | MPEG-H |
mvcC | MVC configuration | Video | NALu Video |
mvcP | MVC priority assignment | Video | NALu Video |
mvdC | MVCDConfigurationBox | Video | NALu Video |
pasp | Pixel aspect ratio | Video | ISO |
pdc1 | Parametric DRC coefficients | Audio | DRC |
pdi1 | Parametric DRC instructions | Audio | DRC |
prmr | Production metadata reference box | Video | Youtube |
qlif | Layer quality assignments | Video | NALu Video |
scrb | Scramble scheme information | Video | ISO |
seib | Scalability information | Video | NALu Video |
silb | Scheme ID list Box | Metadata | Event Message |
SmDm | Mastering Display Metadata Box | Video | VPxx |
srat | Sampling rate | Audio | ISO |
svcC | SVC configuration | Video | NALu Video |
svcP | SVC priority assignments | Video | NALu Video |
svmC | SVC information configuration | Metadata | NALu Video |
txtC | Text stream configuration | Text | ISO |
udc1 | Basic DRC coefficients | Audio | DRC |
udc2 | Unified DRC coefficients | Audio | DRC |
udex | Unified DRC configuration extension | Audio | DRC |
udi1 | Basic DRC instructions | Audio | DRC |
udi2 | Unified DRC instructions | Audio | DRC |
ueqc | Equalization coefficients | Audio | DRC |
ueqi | Equalization instructions | Audio | DRC |
uriI | URI Information | Metadata | ISO |
v3cC | V3C Configuration | Volumetric visual media | V3C-SYS |
v3tC | V3C Atlas Tile Configuration | Volumetric visual media | V3C-SYS |
vexu | Video Extended Usage | Video | Apple |
vpcC | VP9 Codec Configuration | Video | VPxx |
vsib | View scalability information | Video | NALu Video |
vttC | WebVTTConfigurationBox | Text | ISO-Text |
vvnC | VVC Network Abstraction Layer unit configuration | Video | NALu Video |
vvcC | VVC video configuration | Video | NALu Video |
vwid | View identifier | Video | NALu Video |
vlab | WebVTT Source Label | Text | ISO-Text |
cuvv | HDR Vivid Configuration | Video | UWA |
cmpd | Component Definition | Video | UNCV |
uncC | Uncompressed Frame Configuration | Video | UNCV |
cpal | Component Palette Configuration | Video | UNCV |
cpat | Component Pattern Definition | Video | UNCV |
clev | Component Reference Level | Video | UNCV |
splz | Polarization Pattern Definition | Video | UNCV |
snuc | Sensor Non-Uniformity Correction | Video | UNCV |
sbpm | Sensor Bad Pixels Map | Video | UNCV |
cloc | Chroma Location | Video | UNCV |
fpac | Frame Packing Information | Video | UNCV |
disi | Disparity Information | Video | UNCV |
pcmC | Uncompressed audio PCM configuration | Audio | ISO-UNCA |
lvcC | LCEVC configuration | Video | NALu Video |
acxd | Decoder-specific info for Auro-Cx audio | Audio | Auro |
dca3 | Decoder configuration for AVS3-P3 Codec | Audio | T-AI-109.7 |
apvC | APV Codec Configuration Box | Video | OpenAPV |
amve | Ambient viewing environment | Video | ISO |
almo | Alpha mode (straight vs premultiplied alpha) signaling | Video | Apple |
taic | TAI clock information box | General | UNCV |
jaiC | JPEG AI JAIMConfigurationBox | Video | JPEGAI |
ccfg | SCL6SpecificBox | Audio | SCL6 |
savC | SAV Configuration Box | Metadata | SAVX |