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infer object, sample rate, clock of MPEG4AudioLATM from config (#255)

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This commit is contained in:
Alessandro Ros
2023-04-18 10:31:11 +02:00
committed by GitHub
parent df4d46c295
commit 2dc8838a6d
6 changed files with 208 additions and 74 deletions
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170
pkg/formats/format_test.go
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@@ -233,7 +233,40 @@ var casesFormat = []struct {
},
},
{
"audio aac lc latm",
"audio aac he-aac v2 ps",
"audio",
96,
"mpeg4-generic/48000/2",
map[string]string{
"streamtype": "5",
"profile-level-id": "48",
"mode": "AAC-hbr",
"config": "eb098800",
"sizelength": "13",
},
&MPEG4Audio{
PayloadTyp: 96,
ProfileLevelID: 48,
Config: &mpeg4audio.Config{
Type: 2,
ExtensionType: 29,
ExtensionSampleRate: 48000,
SampleRate: 24000,
ChannelCount: 1,
},
SizeLength: 13,
},
"mpeg4-generic/48000/2",
map[string]string{
"streamtype": "5",
"profile-level-id": "48",
"mode": "AAC-hbr",
"config": "eb098800",
"sizelength": "13",
},
},
{
"audio aac latm lc",
"audio",
96,
"MP4A-LATM/24000/2",
@@ -246,13 +279,21 @@ var casesFormat = []struct {
},
&MPEG4AudioLATM{
PayloadTyp: 96,
SampleRate: 24000,
Channels: 2,
ProfileLevelID: 1,
Bitrate: intPtr(64000),
CPresent: boolPtr(false),
Object: 2,
Config: []byte{0x40, 0x00, 0x26, 0x20, 0x3f, 0xc0},
Config: &mpeg4audio.StreamMuxConfig{
Programs: []*mpeg4audio.StreamMuxConfigProgram{{
Layers: []*mpeg4audio.StreamMuxConfigLayer{{
AudioSpecificConfig: &mpeg4audio.Config{
Type: 2,
SampleRate: 24000,
ChannelCount: 2,
},
LatmBufferFullness: 255,
}},
}},
},
},
"MP4A-LATM/24000/2",
map[string]string{
@@ -264,7 +305,7 @@ var casesFormat = []struct {
},
},
{
"audio aac v2 latm",
"audio aac latm he-aac v2",
"audio",
110,
"MP4A-LATM/24000/1",
@@ -277,13 +318,21 @@ var casesFormat = []struct {
},
&MPEG4AudioLATM{
PayloadTyp: 110,
SampleRate: 24000,
Channels: 1,
ProfileLevelID: 15,
CPresent: boolPtr(false),
Object: 2,
SBREnabled: boolPtr(true),
Config: []byte{0x40, 0x00, 0x26, 0x10, 0x3f, 0xc0},
Config: &mpeg4audio.StreamMuxConfig{
Programs: []*mpeg4audio.StreamMuxConfigProgram{{
Layers: []*mpeg4audio.StreamMuxConfigLayer{{
AudioSpecificConfig: &mpeg4audio.Config{
Type: 2,
SampleRate: 24000,
ChannelCount: 1,
},
LatmBufferFullness: 255,
}},
}},
},
},
"MP4A-LATM/24000/1",
map[string]string{
@@ -294,6 +343,89 @@ var casesFormat = []struct {
"SBR-enabled": "1",
},
},
{
"audio aac latm hierarchical sbr",
"audio",
110,
"MP4A-LATM/48000/2",
map[string]string{
"profile-level-id": "44",
"bitrate": "64000",
"cpresent": "0",
"config": "40005623101fe0",
"sbr-enabled": "1",
},
&MPEG4AudioLATM{
PayloadTyp: 110,
ProfileLevelID: 44,
CPresent: boolPtr(false),
SBREnabled: boolPtr(true),
Bitrate: intPtr(64000),
Config: &mpeg4audio.StreamMuxConfig{
Programs: []*mpeg4audio.StreamMuxConfigProgram{{
Layers: []*mpeg4audio.StreamMuxConfigLayer{{
AudioSpecificConfig: &mpeg4audio.Config{
Type: 2,
ExtensionType: 5,
ExtensionSampleRate: 48000,
SampleRate: 24000,
ChannelCount: 2,
},
LatmBufferFullness: 255,
}},
}},
},
},
"MP4A-LATM/48000/2",
map[string]string{
"profile-level-id": "44",
"object": "2",
"cpresent": "0",
"config": "40005623101fe0",
"SBR-enabled": "1",
"bitrate": "64000",
},
},
{
"audio aac latm hierarchical ps",
"audio",
110,
"MP4A-LATM/48000/2",
map[string]string{
"profile-level-id": "48",
"bitrate": "64000",
"cpresent": "0",
"config": "4001d613101fe0",
},
&MPEG4AudioLATM{
PayloadTyp: 110,
ProfileLevelID: 48,
Bitrate: intPtr(64000),
CPresent: boolPtr(false),
Config: &mpeg4audio.StreamMuxConfig{
Programs: []*mpeg4audio.StreamMuxConfigProgram{{
Layers: []*mpeg4audio.StreamMuxConfigLayer{{
AudioSpecificConfig: &mpeg4audio.Config{
Type: 2,
ExtensionType: 29,
ExtensionSampleRate: 48000,
SampleRate: 24000,
ChannelCount: 1,
},
LatmBufferFullness: 255,
}},
}},
},
},
"MP4A-LATM/48000/2",
map[string]string{
"profile-level-id": "48",
"object": "2",
"cpresent": "0",
"config": "4001d613101fe0",
"bitrate": "64000",
},
},
{
"audio aac latm no channels",
"audio",
@@ -305,19 +437,27 @@ var casesFormat = []struct {
},
&MPEG4AudioLATM{
PayloadTyp: 110,
SampleRate: 48000,
Channels: 1,
ProfileLevelID: 30,
CPresent: boolPtr(false),
Object: 2,
Config: []byte{0x40, 0x00, 0x23, 0x10},
Config: &mpeg4audio.StreamMuxConfig{
Programs: []*mpeg4audio.StreamMuxConfigProgram{{
Layers: []*mpeg4audio.StreamMuxConfigLayer{{
AudioSpecificConfig: &mpeg4audio.Config{
Type: 2,
SampleRate: 48000,
ChannelCount: 1,
},
LatmBufferFullness: 255,
}},
}},
},
},
"MP4A-LATM/48000/1",
map[string]string{
"profile-level-id": "30",
"object": "2",
"cpresent": "0",
"config": "40002310",
"config": "400023103fc0",
},
},
{