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use crate::*;
#[test]
fn av1_mdta() {
// Created from av1.mp4 with the following command:
// ffmpeg -i av1.mp4 -c copy -movflags use_metadata_tags \
// -metadata com.example.test="some value" av1_mdta.mp4
const ENCODED: &[u8] = include_bytes!("av1_mdta.mp4");
let buf = &mut std::io::Cursor::new(ENCODED);
let ftyp = Ftyp::decode(buf).expect("failed to decode ftyp");
assert_eq!(
ftyp,
Ftyp {
major_brand: b"isom".into(),
minor_version: 512,
compatible_brands: vec![
b"isom".into(),
b"av01".into(),
b"iso2".into(),
b"mp41".into()
],
}
);
let free = Free::decode(buf).expect("failed to decode free");
let mdat = Mdat::decode(buf).expect("failed to decode mdat");
let moov = Moov::decode(buf).expect("failed to decode moov");
assert_eq!(
moov,
Moov {
mvhd: Mvhd {
creation_time: 0,
modification_time: 0,
timescale: 25000,
duration: 1000,
rate: 1.into(),
volume: 1.into(),
matrix: Matrix {
a: 65536,
b: 0,
u: 0,
c: 0,
d: 65536,
v: 0,
x: 0,
y: 0,
w: 1073741824
},
next_track_id: 2
},
mvex: None,
trak: vec![Trak {
tkhd: Tkhd {
creation_time: 0,
modification_time: 0,
track_id: 1,
duration: 1000,
layer: 0,
alternate_group: 0,
enabled: true,
in_movie: true,
size_is_aspect_ratio: false,
volume: 0.into(),
matrix: Matrix {
a: 65536,
b: 0,
u: 0,
c: 0,
d: 65536,
v: 0,
x: 0,
y: 0,
w: 1073741824
},
width: 1920.into(),
height: 1080.into()
},
edts: Some(Edts {
elst: Some(Elst {
entries: vec![ElstEntry {
segment_duration: 1000,
media_time: Some(0),
media_rate: 1.into()
}]
})
}),
mdia: Mdia {
mdhd: Mdhd {
creation_time: 0,
modification_time: 0,
timescale: 25000,
duration: 1000,
language: "und".into()
},
hdlr: Hdlr {
handler: b"vide".into(),
name: "obu@GPAC2.1-DEV-rev199-g8e29f6e8b-github_master".into()
},
minf: Minf {
vmhd: Some(Vmhd {
graphics_mode: 0,
op_color: RgbColor {
red: 0,
green: 0,
blue: 0
}
}),
dinf: Dinf {
dref: Dref {
entries: vec![Url {
location: "".into()
}
.into()]
}
},
stbl: Stbl {
stsd: Stsd {
codecs: vec![Av01 {
visual: Visual {
data_reference_index: 1,
width: 1920,
height: 1080,
horizresolution: 72.into(),
vertresolution: 72.into(),
frame_count: 1,
compressor: "".into(),
depth: 24
},
av1c: Av1c {
seq_profile: 0,
seq_level_idx_0: 9,
seq_tier_0: false,
high_bitdepth: true,
twelve_bit: false,
monochrome: false,
chroma_subsampling_x: true,
chroma_subsampling_y: true,
chroma_sample_position: 0,
initial_presentation_delay: None,
config_obus: vec![
10, 11, 0, 0, 0, 74, 171, 191, 195, 119, 255, 231, 1
]
},
btrt: Some(Btrt {
buffer_size_db: 0,
max_bitrate: 70500,
avg_bitrate: 50400
}),
pasp: Some(Pasp {
h_spacing: 1,
v_spacing: 1
}),
..Default::default()
}
.into()],
},
stts: Stts {
entries: vec![SttsEntry {
sample_count: 1,
sample_delta: 1000
}]
},
ctts: None,
stss: None,
stsc: Stsc {
entries: vec![StscEntry {
first_chunk: 1,
samples_per_chunk: 1,
sample_description_index: 1
}]
},
stsz: Stsz {
samples: StszSamples::Identical {
count: 1,
size: 252
}
},
stco: Some(Stco { entries: vec![48] }),
co64: None,
sbgp: vec![],
sgpd: vec![],
subs: vec![],
saio: vec![],
saiz: vec![],
cslg: None,
},
..Default::default()
}
},
..Default::default()
}],
udta: Some(Udta {
meta: Some(Meta {
hdlr: Hdlr {
handler: FourCC::new(b"mdta"),
name: "".into()
},
items: vec![
Keys {
entries: vec![
KeyEntry {
key_namespace: FourCC::new(b"mdta"),
key_value: "major_brand".into()
},
KeyEntry {
key_namespace: FourCC::new(b"mdta"),
key_value: "minor_version".into()
},
KeyEntry {
key_namespace: FourCC::new(b"mdta"),
key_value: "compatible_brands".into()
},
KeyEntry {
key_namespace: FourCC::new(b"mdta"),
key_value: "com.example.test".into()
},
KeyEntry {
key_namespace: FourCC::new(b"mdta"),
key_value: "encoder".into()
},
]
}
.into(),
Ilst {
name: None,
year: None,
covr: None,
desc: None,
ctoo: None,
cprt: None,
mdta: vec![
(
1,
IlstData {
country_indicator: 0,
language_indicator: 0,
value: IlstDataValue::Utf8("iso6".into())
}
),
(
2,
IlstData {
country_indicator: 0,
language_indicator: 0,
value: IlstDataValue::Utf8("512".into())
}
),
(
3,
IlstData {
country_indicator: 0,
language_indicator: 0,
value: IlstDataValue::Utf8("iso6cmfcav01mp41".into())
}
),
(
4,
IlstData {
country_indicator: 0,
language_indicator: 0,
value: IlstDataValue::Utf8("some value".into())
}
),
(
5,
IlstData {
country_indicator: 0,
language_indicator: 0,
value: IlstDataValue::Utf8("Lavf63.1.101".into())
}
)
]
}
.into(),
],
}),
..Default::default()
}),
..Default::default()
}
);
// Make sure the av01 atom encodes/decodes to the exact same content.
let av01 = &moov.trak[0].mdia.minf.stbl.stsd.codecs[0];
av01.assert_encode_decode();
let mut reencoded = Vec::new();
ftyp.encode(&mut reencoded).expect("failed to encode ftyp");
free.encode(&mut reencoded).expect("failed to encode free");
mdat.encode(&mut reencoded).expect("failed to encode mdat");
moov.encode(&mut reencoded).expect("failed to encode moov");
let reencoded_buf = &mut reencoded.as_slice();
let reencoded_ftyp = Ftyp::decode(reencoded_buf).expect("failed to re-decode ftyp");
let reencoded_free = Free::decode(reencoded_buf).expect("failed to re-decode free");
let reencoded_mdat = Mdat::decode(reencoded_buf).expect("failed to re-decode mdat");
let reencoded_moov = Moov::decode(reencoded_buf).expect("failed to re-decode moov");
assert_eq!(reencoded_ftyp, ftyp);
assert_eq!(reencoded_free, free);
assert_eq!(reencoded_mdat, mdat);
assert_eq!(reencoded_moov, moov);
// assert_eq!(buf, ENCODED);
}