mediamtx/internal/record/agent_test.go

package record

import (
	"os"
	"path/filepath"
	"testing"
	"time"

	"github.com/bluenviron/gortsplib/v4/pkg/description"
	"github.com/bluenviron/gortsplib/v4/pkg/format"
	"github.com/bluenviron/mediacommon/pkg/codecs/h265"
	"github.com/bluenviron/mediacommon/pkg/codecs/mpeg4audio"
	"github.com/bluenviron/mediamtx/internal/logger"
	"github.com/stretchr/testify/require"

	"github.com/bluenviron/mediamtx/internal/stream"
	"github.com/bluenviron/mediamtx/internal/unit"
)

type nilLogger struct{}

func (nilLogger) Log(_ logger.Level, _ string, _ ...interface{}) {
}

func TestAgent(t *testing.T) {
	n := 0
	timeNow = func() time.Time {
		n++
		if n >= 2 {
			return time.Date(2008, 0o5, 20, 22, 15, 25, 125000, time.UTC)
		}
		return time.Date(2009, 0o5, 20, 22, 15, 25, 427000, time.UTC)
	}

	desc := &description.Session{Medias: []*description.Media{
		{
			Type: description.MediaTypeVideo,
			Formats: []format.Format{&format.H265{
				PayloadTyp: 96,
			}},
		},
		{
			Type: description.MediaTypeVideo,
			Formats: []format.Format{&format.H264{
				PayloadTyp:        96,
				PacketizationMode: 1,
			}},
		},
		{
			Type: description.MediaTypeAudio,
			Formats: []format.Format{&format.MPEG4Audio{
				PayloadTyp: 96,
				Config: &mpeg4audio.Config{
					Type:         2,
					SampleRate:   44100,
					ChannelCount: 2,
				},
				SizeLength:       13,
				IndexLength:      3,
				IndexDeltaLength: 3,
			}},
		},
	}}

	stream, err := stream.New(
		1460,
		desc,
		true,
		&nilLogger{},
	)
	require.NoError(t, err)
	defer stream.Close()

	dir, err := os.MkdirTemp("", "mediamtx-agent")
	require.NoError(t, err)
	defer os.RemoveAll(dir)

	recordPath := filepath.Join(dir, "%path/%Y-%m-%d_%H-%M-%S-%f")

	a := NewAgent(
		1024,
		recordPath,
		100*time.Millisecond,
		1*time.Second,
		"mypath",
		stream,
		&nilLogger{},
	)

	for i := 0; i < 3; i++ {
		stream.WriteUnit(desc.Medias[0], desc.Medias[0].Formats[0], &unit.H265{
			Base: unit.Base{
				PTS: (50 + time.Duration(i)) * time.Second,
			},
			AU: [][]byte{
				{ // VPS
					0x40, 0x01, 0x0c, 0x01, 0xff, 0xff, 0x02, 0x20,
					0x00, 0x00, 0x03, 0x00, 0xb0, 0x00, 0x00, 0x03,
					0x00, 0x00, 0x03, 0x00, 0x7b, 0x18, 0xb0, 0x24,
				},
				{ // SPS
					0x42, 0x01, 0x01, 0x02, 0x20, 0x00, 0x00, 0x03,
					0x00, 0xb0, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03,
					0x00, 0x7b, 0xa0, 0x07, 0x82, 0x00, 0x88, 0x7d,
					0xb6, 0x71, 0x8b, 0x92, 0x44, 0x80, 0x53, 0x88,
					0x88, 0x92, 0xcf, 0x24, 0xa6, 0x92, 0x72, 0xc9,
					0x12, 0x49, 0x22, 0xdc, 0x91, 0xaa, 0x48, 0xfc,
					0xa2, 0x23, 0xff, 0x00, 0x01, 0x00, 0x01, 0x6a,
					0x02, 0x02, 0x02, 0x01,
				},
				{ // PPS
					0x44, 0x01, 0xc0, 0x25, 0x2f, 0x05, 0x32, 0x40,
				},
				{byte(h265.NALUType_CRA_NUT) << 1, 0}, // IDR
			},
		})

		stream.WriteUnit(desc.Medias[1], desc.Medias[1].Formats[0], &unit.H264{
			Base: unit.Base{
				PTS: (50 + time.Duration(i)) * time.Second,
			},
			AU: [][]byte{
				{ // SPS
					0x67, 0x42, 0xc0, 0x28, 0xd9, 0x00, 0x78, 0x02,
					0x27, 0xe5, 0x84, 0x00, 0x00, 0x03, 0x00, 0x04,
					0x00, 0x00, 0x03, 0x00, 0xf0, 0x3c, 0x60, 0xc9, 0x20,
				},
				{ // PPS
					0x08, 0x06, 0x07, 0x08,
				},
				{5}, // IDR
			},
		})

		stream.WriteUnit(desc.Medias[2], desc.Medias[2].Formats[0], &unit.MPEG4AudioGeneric{
			Base: unit.Base{
				PTS: (50 + time.Duration(i)) * time.Second,
			},
			AUs: [][]byte{{1, 2, 3, 4}},
		})
	}

	time.Sleep(500 * time.Millisecond)
	a.Close()

	_, err = os.Stat(filepath.Join(dir, "mypath", "2008-05-20_22-15-25-000125.mp4"))
	require.NoError(t, err)

	_, err = os.Stat(filepath.Join(dir, "mypath", "2009-05-20_22-15-25-000427.mp4"))
	require.NoError(t, err)
}