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move MPEG-4 audio LATM to dedicated format (bluenviron/mediamtx#4403) (#834)

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This commit is contained in:
Alessandro Ros
2025-07-20 17:28:52 +02:00
committed by GitHub
parent 1db87f6bf6
commit 800dd9c850
31 changed files with 1620 additions and 1800 deletions
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64
pkg/format/mpeg4_audio_latm_test.go Normal file
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package format
import (
"testing"
"github.com/bluenviron/mediacommon/v2/pkg/codecs/mpeg4audio"
"github.com/pion/rtp"
"github.com/stretchr/testify/require"
)
func TestMPEG4AudioLATMAttributes(t *testing.T) {
format := &MPEG4AudioLATM{
PayloadTyp: 96,
ProfileLevelID: 1,
StreamMuxConfig: &mpeg4audio.StreamMuxConfig{
Programs: []*mpeg4audio.StreamMuxConfigProgram{{
Layers: []*mpeg4audio.StreamMuxConfigLayer{{
AudioSpecificConfig: &mpeg4audio.AudioSpecificConfig{
Type: 2,
SampleRate: 44100,
ChannelCount: 2,
},
LatmBufferFullness: 255,
}},
}},
},
}
require.Equal(t, "MPEG-4 Audio LATM", format.Codec())
require.Equal(t, 44100, format.ClockRate())
require.Equal(t, true, format.PTSEqualsDTS(&rtp.Packet{}))
}
func TestMPEG4AudioLATMDecEncoder(t *testing.T) {
format := &MPEG4AudioLATM{
PayloadTyp: 96,
ProfileLevelID: 1,
StreamMuxConfig: &mpeg4audio.StreamMuxConfig{
Programs: []*mpeg4audio.StreamMuxConfigProgram{{
Layers: []*mpeg4audio.StreamMuxConfigLayer{{
AudioSpecificConfig: &mpeg4audio.AudioSpecificConfig{
Type: 2,
SampleRate: 48000,
ChannelCount: 2,
},
LatmBufferFullness: 255,
}},
}},
},
}
enc, err := format.CreateEncoder()
require.NoError(t, err)
pkts, err := enc.Encode([]byte{0x01, 0x02, 0x03, 0x04})
require.NoError(t, err)
require.Equal(t, format.PayloadType(), pkts[0].PayloadType)
dec, err := format.CreateDecoder()
require.NoError(t, err)
byts, err := dec.Decode(pkts[0])
require.NoError(t, err)
require.Equal(t, []byte{0x01, 0x02, 0x03, 0x04}, byts)
}