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muxer_test.go
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muxer_test.go
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package gohlslib
import (
"bytes"
"fmt"
"net/http"
"net/url"
"os"
"path/filepath"
"regexp"
"strconv"
"testing"
"time"
"github.com/bluenviron/mediacommon/pkg/codecs/mpeg4audio"
"github.com/bluenviron/mediacommon/pkg/formats/fmp4"
"github.com/stretchr/testify/require"
"github.com/IgorDeforges/gohlslib/pkg/codecs"
)
var testTime = time.Date(2010, 0o1, 0o1, 0o1, 0o1, 0o1, 0, time.UTC)
// baseline profile without POC
var testSPS = []byte{
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,
}
var testPPS = []byte{0x01, 0x02, 0x03, 0x04}
var testConfig = mpeg4audio.Config{
Type: 2,
SampleRate: 44100,
ChannelCount: 2,
}
var testVideoTrack = &Track{
Codec: &codecs.H264{
SPS: testSPS,
PPS: []byte{0x08},
},
}
var testAudioTrack = &Track{
Codec: &codecs.MPEG4Audio{
Config: mpeg4audio.Config{
Type: 2,
SampleRate: 44100,
ChannelCount: 2,
},
},
}
type dummyResponseWriter struct {
bytes.Buffer
h http.Header
statusCode int
}
func (w *dummyResponseWriter) Header() http.Header {
return w.h
}
func (w *dummyResponseWriter) WriteHeader(statusCode int) {
w.statusCode = statusCode
}
func doRequest(m *Muxer, path, msn, part, skip string) ([]byte, http.Header, error) {
w := &dummyResponseWriter{
h: make(http.Header),
}
v := url.Values{}
v.Set("_HLS_msn", msn)
v.Set("_HLS_part", part)
v.Set("_HLS_skip", skip)
r := &http.Request{
URL: &url.URL{
Path: path,
RawQuery: v.Encode(),
},
}
m.Handle(w, r)
if w.statusCode != http.StatusOK {
return nil, nil, fmt.Errorf("bad status code: %v", w.statusCode)
}
return w.Bytes(), w.h, nil
}
func TestMuxerVideoAudio(t *testing.T) {
for _, ca := range []string{
"mpegts",
"fmp4",
"lowLatency",
} {
t.Run(ca, func(t *testing.T) {
var v MuxerVariant
switch ca {
case "mpegts":
v = MuxerVariantMPEGTS
case "fmp4":
v = MuxerVariantFMP4
case "lowLatency":
v = MuxerVariantLowLatency
}
m := &Muxer{
Variant: v,
SegmentCount: func() int {
if ca == "lowLatency" {
return 7
}
return 3
}(),
SegmentMinDuration: 1 * time.Second,
VideoTrack: testVideoTrack,
AudioTrack: testAudioTrack,
}
err := m.Start()
require.NoError(t, err)
defer m.Close()
// access unit without IDR
d := 1 * time.Second
err = m.WriteH26x(testTime.Add(d-1*time.Second), d, [][]byte{
{1}, // non-IDR
})
require.NoError(t, err)
// access unit with IDR
d = 2 * time.Second
err = m.WriteH26x(testTime.Add(d-1*time.Second), d, [][]byte{
testSPS, // SPS
{8}, // PPS
{5}, // IDR
})
require.NoError(t, err)
d = 3 * time.Second
err = m.WriteMPEG4Audio(testTime.Add(d-1*time.Second), d, [][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
d = 3500 * time.Millisecond
err = m.WriteMPEG4Audio(testTime.Add(d-1*time.Second), d, [][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
// access unit without IDR
d = 4 * time.Second
err = m.WriteH26x(testTime.Add(d-1*time.Second), d, [][]byte{
{1}, // non-IDR
})
require.NoError(t, err)
d = 4500 * time.Millisecond
err = m.WriteMPEG4Audio(testTime.Add(d-1*time.Second), d, [][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
// access unit with IDR
d = 6 * time.Second
err = m.WriteH26x(testTime.Add(d-1*time.Second), d, [][]byte{
{5}, // IDR
})
require.NoError(t, err)
// access unit with IDR
d = 7 * time.Second
err = m.WriteH26x(testTime.Add(d-1*time.Second), d, [][]byte{
{5}, // IDR
})
require.NoError(t, err)
byts, h, err := doRequest(m, "/index.m3u8", "", "", "")
require.NoError(t, err)
require.Equal(t, "application/vnd.apple.mpegurl", h.Get("Content-Type"))
require.Equal(t, "max-age=30", h.Get("Cache-Control"))
switch ca {
case "mpegts":
require.Equal(t, "#EXTM3U\n"+
"#EXT-X-VERSION:3\n"+
"#EXT-X-INDEPENDENT-SEGMENTS\n"+
"\n"+
"#EXT-X-STREAM-INF:BANDWIDTH=4512,AVERAGE-BANDWIDTH=3008,"+
"CODECS=\"avc1.42c028,mp4a.40.2\",RESOLUTION=1920x1080,FRAME-RATE=30.000\n"+
"stream.m3u8\n", string(byts))
case "fmp4":
require.Equal(t, "#EXTM3U\n"+
"#EXT-X-VERSION:9\n"+
"#EXT-X-INDEPENDENT-SEGMENTS\n"+
"\n"+
"#EXT-X-STREAM-INF:BANDWIDTH=872,AVERAGE-BANDWIDTH=558,"+
"CODECS=\"avc1.42c028,mp4a.40.2\",RESOLUTION=1920x1080,FRAME-RATE=30.000\n"+
"stream.m3u8\n", string(byts))
case "lowLatency":
require.Equal(t, "#EXTM3U\n"+
"#EXT-X-VERSION:9\n"+
"#EXT-X-INDEPENDENT-SEGMENTS\n"+
"\n"+
"#EXT-X-STREAM-INF:BANDWIDTH=872,AVERAGE-BANDWIDTH=705,"+
"CODECS=\"avc1.42c028,mp4a.40.2\",RESOLUTION=1920x1080,FRAME-RATE=30.000\n"+
"stream.m3u8\n", string(byts))
}
byts, h, err = doRequest(m, "stream.m3u8", "", "", "")
require.NoError(t, err)
require.Equal(t, "application/vnd.apple.mpegurl", h.Get("Content-Type"))
require.Equal(t, "no-cache", h.Get("Cache-Control"))
switch ca {
case "mpegts":
re := regexp.MustCompile(`^#EXTM3U\n` +
`#EXT-X-VERSION:3\n` +
`#EXT-X-ALLOW-CACHE:NO\n` +
`#EXT-X-TARGETDURATION:4\n` +
`#EXT-X-MEDIA-SEQUENCE:0\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:4.00000,\n` +
`(.*?_seg0\.ts)\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:1.00000,\n` +
`(.*?_seg1\.ts)\n$`)
require.Regexp(t, re, string(byts))
ma := re.FindStringSubmatch(string(byts))
_, h, err := doRequest(m, ma[2], "", "", "")
require.NoError(t, err)
require.Equal(t, "video/MP2T", h.Get("Content-Type"))
require.Equal(t, "max-age=3600", h.Get("Cache-Control"))
case "fmp4":
re := regexp.MustCompile(`^#EXTM3U\n` +
`#EXT-X-VERSION:9\n` +
`#EXT-X-TARGETDURATION:4\n` +
`#EXT-X-MEDIA-SEQUENCE:0\n` +
`#EXT-X-MAP:URI="(.*?_init.mp4)"\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:4.00000,\n` +
`(.*?_seg0\.mp4)\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:1.00000,\n` +
`(.*?_seg1\.mp4)\n$`)
require.Regexp(t, re, string(byts))
ma := re.FindStringSubmatch(string(byts))
_, h, err := doRequest(m, ma[1], "", "", "")
require.NoError(t, err)
require.Equal(t, "video/mp4", h.Get("Content-Type"))
require.Equal(t, "max-age=30", h.Get("Cache-Control"))
_, h, err = doRequest(m, ma[3], "", "", "")
require.NoError(t, err)
require.Equal(t, "video/mp4", h.Get("Content-Type"))
require.Equal(t, "max-age=3600", h.Get("Cache-Control"))
case "lowLatency":
re := regexp.MustCompile(
`^#EXTM3U\n` +
`#EXT-X-VERSION:9\n` +
`#EXT-X-TARGETDURATION:4\n` +
`#EXT-X-SERVER-CONTROL:CAN-BLOCK-RELOAD=YES,PART-HOLD-BACK=5.00000,CAN-SKIP-UNTIL=24.00000\n` +
`#EXT-X-PART-INF:PART-TARGET=2.00000\n` +
`#EXT-X-MEDIA-SEQUENCE:2\n` +
`#EXT-X-MAP:URI="(.*?_init\.mp4)"\n` +
`#EXT-X-GAP\n` +
`#EXTINF:4.00000,\n` +
`gap.mp4\n` +
`#EXT-X-GAP\n` +
`#EXTINF:4.00000,\n` +
`gap.mp4\n` +
`#EXT-X-GAP\n` +
`#EXTINF:4.00000,\n` +
`gap.mp4\n` +
`#EXT-X-GAP\n` +
`#EXTINF:4.00000,\n` +
`gap.mp4\n` +
`#EXT-X-GAP\n` +
`#EXTINF:4.00000,\n` +
`gap.mp4\n` +
`#EXT-X-PROGRAM-DATE-TIME:2010-01-01T01:01:02Z\n` +
`#EXT-X-PART:DURATION=2.00000,URI="(.*?_part0\.mp4)",INDEPENDENT=YES\n` +
`#EXT-X-PART:DURATION=2.00000,URI="(.*?_part1\.mp4)"\n` +
`#EXTINF:4.00000,\n` +
`(.*?_seg7\.mp4)\n` +
`#EXT-X-PROGRAM-DATE-TIME:2010-01-01T01:01:06Z\n` +
`#EXT-X-PART:DURATION=1.00000,URI="(.*?_part2\.mp4)",INDEPENDENT=YES\n` +
`#EXTINF:1.00000,\n` +
`(.*?_seg8\.mp4)\n` +
`#EXT-X-PRELOAD-HINT:TYPE=PART,URI="(.*?_part3\.mp4)"\n$`)
require.Regexp(t, re, string(byts))
ma := re.FindStringSubmatch(string(byts))
_, h, err := doRequest(m, ma[4], "", "", "")
require.NoError(t, err)
require.Equal(t, "video/mp4", h.Get("Content-Type"))
require.Equal(t, "max-age=3600", h.Get("Cache-Control"))
recv := make(chan struct{})
go func() {
_, _, err := doRequest(m, ma[5], "", "", "")
require.NoError(t, err)
close(recv)
}()
d = 9 * time.Second
err = m.WriteH26x(testTime.Add(d-1*time.Second), d, [][]byte{
{1}, // non-IDR
})
require.NoError(t, err)
<-recv
}
})
}
}
func TestMuxerVideoOnly(t *testing.T) {
for _, ca := range []string{
"mpegts",
"fmp4",
} {
t.Run(ca, func(t *testing.T) {
var v MuxerVariant
if ca == "mpegts" {
v = MuxerVariantMPEGTS
} else {
v = MuxerVariantFMP4
}
m := &Muxer{
Variant: v,
SegmentCount: 3,
SegmentMinDuration: 1 * time.Second,
VideoTrack: testVideoTrack,
}
err := m.Start()
require.NoError(t, err)
defer m.Close()
// access unit with IDR
d := 2 * time.Second
err = m.WriteH26x(testTime.Add(d-2*time.Second), d, [][]byte{
testSPS, // SPS
{8}, // PPS
{5}, // IDR
})
require.NoError(t, err)
// access unit with IDR
d = 6 * time.Second
err = m.WriteH26x(testTime.Add(d-2*time.Second), d, [][]byte{
{5}, // IDR
})
require.NoError(t, err)
// access unit with IDR
d = 7 * time.Second
err = m.WriteH26x(testTime.Add(d-2*time.Second), d, [][]byte{
{5}, // IDR
})
require.NoError(t, err)
byts, _, err := doRequest(m, "index.m3u8", "", "", "")
require.NoError(t, err)
if ca == "mpegts" {
require.Equal(t, "#EXTM3U\n"+
"#EXT-X-VERSION:3\n"+
"#EXT-X-INDEPENDENT-SEGMENTS\n"+
"\n"+
"#EXT-X-STREAM-INF:BANDWIDTH=4512,AVERAGE-BANDWIDTH=1804,"+
"CODECS=\"avc1.42c028\",RESOLUTION=1920x1080,FRAME-RATE=30.000\n"+
"stream.m3u8\n", string(byts))
} else {
require.Equal(t, "#EXTM3U\n"+
"#EXT-X-VERSION:9\n"+
"#EXT-X-INDEPENDENT-SEGMENTS\n"+
"\n"+
"#EXT-X-STREAM-INF:BANDWIDTH=872,AVERAGE-BANDWIDTH=403,"+
"CODECS=\"avc1.42c028\",RESOLUTION=1920x1080,FRAME-RATE=30.000\n"+
"stream.m3u8\n", string(byts))
}
byts, _, err = doRequest(m, "stream.m3u8", "", "", "")
require.NoError(t, err)
var re *regexp.Regexp
if ca == "mpegts" {
re = regexp.MustCompile(`^#EXTM3U\n` +
`#EXT-X-VERSION:3\n` +
`#EXT-X-ALLOW-CACHE:NO\n` +
`#EXT-X-TARGETDURATION:4\n` +
`#EXT-X-MEDIA-SEQUENCE:0\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:4.00000,\n` +
`(.*?_seg0\.ts)\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:1.00000,\n` +
`(.*?_seg1\.ts)\n$`)
} else {
re = regexp.MustCompile(`^#EXTM3U\n` +
`#EXT-X-VERSION:9\n` +
`#EXT-X-TARGETDURATION:4\n` +
`#EXT-X-MEDIA-SEQUENCE:0\n` +
`#EXT-X-MAP:URI="(.*?_init.mp4)"\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:4.00000,\n` +
`(.*?_seg0\.mp4)\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:1.00000,\n` +
`(.*?_seg1\.mp4)\n$`)
}
require.Regexp(t, re, string(byts))
ma := re.FindStringSubmatch(string(byts))
if ca == "mpegts" {
_, _, err := doRequest(m, ma[2], "", "", "")
require.NoError(t, err)
} else {
_, _, err := doRequest(m, ma[1], "", "", "")
require.NoError(t, err)
_, _, err = doRequest(m, ma[3], "", "", "")
require.NoError(t, err)
}
})
}
}
func TestMuxerAudioOnly(t *testing.T) {
for _, ca := range []string{
"mpegts",
"fmp4",
} {
t.Run(ca, func(t *testing.T) {
var v MuxerVariant
if ca == "mpegts" {
v = MuxerVariantMPEGTS
} else {
v = MuxerVariantFMP4
}
m := &Muxer{
Variant: v,
SegmentCount: 3,
SegmentMinDuration: 1 * time.Second,
AudioTrack: testAudioTrack,
}
err := m.Start()
require.NoError(t, err)
defer m.Close()
for i := 0; i < 100; i++ {
d := 1 * time.Second
err = m.WriteMPEG4Audio(testTime.Add(d-1*time.Second), d, [][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
}
d := 2 * time.Second
err = m.WriteMPEG4Audio(testTime.Add(d-1*time.Second), d, [][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
d = 3 * time.Second
err = m.WriteMPEG4Audio(testTime.Add(d-1*time.Second), d, [][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
byts, _, err := doRequest(m, "index.m3u8", "", "", "")
require.NoError(t, err)
if ca == "mpegts" {
require.Equal(t, "#EXTM3U\n"+
"#EXT-X-VERSION:3\n"+
"#EXT-X-INDEPENDENT-SEGMENTS\n"+
"\n"+
"#EXT-X-STREAM-INF:BANDWIDTH=451200,AVERAGE-BANDWIDTH=451200,CODECS=\"mp4a.40.2\"\n"+
"stream.m3u8\n", string(byts))
} else {
require.Equal(t, "#EXTM3U\n"+
"#EXT-X-VERSION:9\n"+
"#EXT-X-INDEPENDENT-SEGMENTS\n"+
"\n"+
"#EXT-X-STREAM-INF:BANDWIDTH=10368,AVERAGE-BANDWIDTH=5616,CODECS=\"mp4a.40.2\"\n"+
"stream.m3u8\n", string(byts))
}
byts, _, err = doRequest(m, "stream.m3u8", "", "", "")
require.NoError(t, err)
var re *regexp.Regexp
if ca == "mpegts" {
re = regexp.MustCompile(`^#EXTM3U\n` +
`#EXT-X-VERSION:3\n` +
`#EXT-X-ALLOW-CACHE:NO\n` +
`#EXT-X-TARGETDURATION:1\n` +
`#EXT-X-MEDIA-SEQUENCE:0\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:1.00000,\n` +
`(.*?_seg0\.ts)\n$`)
} else {
re = regexp.MustCompile(`^#EXTM3U\n` +
`#EXT-X-VERSION:9\n` +
`#EXT-X-TARGETDURATION:1\n` +
`#EXT-X-MEDIA-SEQUENCE:0\n` +
`#EXT-X-MAP:URI="(.*?_init.mp4)"\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:1.00000,\n` +
`(.*?_seg0\.mp4)\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:1.00000,\n` +
`(.*?_seg1\.mp4)\n$`)
}
require.Regexp(t, re, string(byts))
ma := re.FindStringSubmatch(string(byts))
if ca == "mpegts" {
_, _, err := doRequest(m, ma[2], "", "", "")
require.NoError(t, err)
} else {
_, _, err := doRequest(m, ma[1], "", "", "")
require.NoError(t, err)
_, _, err = doRequest(m, ma[3], "", "", "")
require.NoError(t, err)
}
})
}
}
func TestMuxerCloseBeforeData(t *testing.T) {
m := &Muxer{
Variant: MuxerVariantFMP4,
SegmentCount: 3,
SegmentMinDuration: 1 * time.Second,
VideoTrack: &Track{
Codec: &codecs.AV1{},
},
}
err := m.Start()
require.NoError(t, err)
m.Close()
b, _, _ := doRequest(m, "index.m3u8", "", "", "")
require.Equal(t, []byte(nil), b)
b, _, _ = doRequest(m, "stream.m3u8", "", "", "")
require.NotEqual(t, []byte(nil), b)
b, _, _ = doRequest(m, m.prefix+"_init.mp4", "", "", "")
require.Equal(t, []byte(nil), b)
}
func TestMuxerMaxSegmentSize(t *testing.T) {
m := &Muxer{
Variant: MuxerVariantMPEGTS,
SegmentCount: 3,
SegmentMinDuration: 1 * time.Second,
SegmentMaxSize: 1,
VideoTrack: testVideoTrack,
}
err := m.Start()
require.NoError(t, err)
defer m.Close()
err = m.WriteH26x(testTime, 2*time.Second, [][]byte{
testSPS,
{5}, // IDR
})
require.EqualError(t, err, "reached maximum segment size")
}
func TestMuxerDoubleRead(t *testing.T) {
m := &Muxer{
Variant: MuxerVariantMPEGTS,
SegmentCount: 3,
SegmentMinDuration: 1 * time.Second,
VideoTrack: testVideoTrack,
}
err := m.Start()
require.NoError(t, err)
defer m.Close()
err = m.WriteH26x(testTime, 0, [][]byte{
testSPS,
{5}, // IDR
{1},
})
require.NoError(t, err)
err = m.WriteH26x(testTime, 2*time.Second, [][]byte{
{5}, // IDR
{2},
})
require.NoError(t, err)
byts, _, err := doRequest(m, "stream.m3u8", "", "", "")
require.NoError(t, err)
re := regexp.MustCompile(`^#EXTM3U\n` +
`#EXT-X-VERSION:3\n` +
`#EXT-X-ALLOW-CACHE:NO\n` +
`#EXT-X-TARGETDURATION:2\n` +
`#EXT-X-MEDIA-SEQUENCE:0\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:2.00000,\n` +
`(.*?_seg0\.ts)\n$`)
require.Regexp(t, re, string(byts))
ma := re.FindStringSubmatch(string(byts))
byts1, _, err := doRequest(m, ma[2], "", "", "")
require.NoError(t, err)
byts2, _, err := doRequest(m, ma[2], "", "", "")
require.NoError(t, err)
require.Equal(t, byts1, byts2)
}
func TestMuxerSaveToDisk(t *testing.T) {
for _, ca := range []string{
"mpegts",
"mp4",
} {
t.Run(ca, func(t *testing.T) {
dir, err := os.MkdirTemp("", "gohlslib")
require.NoError(t, err)
defer os.RemoveAll(dir)
var v MuxerVariant
if ca == "mpegts" {
v = MuxerVariantMPEGTS
} else {
v = MuxerVariantFMP4
}
m := &Muxer{
Variant: v,
SegmentCount: 3,
SegmentMinDuration: 1 * time.Second,
VideoTrack: testVideoTrack,
Directory: dir,
}
err = m.Start()
require.NoError(t, err)
err = m.WriteH26x(testTime, 0, [][]byte{
testSPS,
{5}, // IDR
{1},
})
require.NoError(t, err)
err = m.WriteH26x(testTime, 2*time.Second, [][]byte{
{5}, // IDR
{2},
})
require.NoError(t, err)
err = m.WriteH26x(testTime, 3*time.Second, [][]byte{
{5}, // IDR
{2},
})
require.NoError(t, err)
byts, _, err := doRequest(m, "stream.m3u8", "", "", "")
require.NoError(t, err)
var re *regexp.Regexp
if ca == "mpegts" {
re = regexp.MustCompile(`^#EXTM3U\n` +
`#EXT-X-VERSION:3\n` +
`#EXT-X-ALLOW-CACHE:NO\n` +
`#EXT-X-TARGETDURATION:2\n` +
`#EXT-X-MEDIA-SEQUENCE:0\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:2.00000,\n` +
`(.*?_seg0\.ts)\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:1.00000,\n` +
`(.*?_seg1\.ts)\n$`)
} else {
re = regexp.MustCompile(`^#EXTM3U\n` +
`#EXT-X-VERSION:9\n` +
`#EXT-X-TARGETDURATION:2\n` +
`#EXT-X-MEDIA-SEQUENCE:0\n` +
`#EXT-X-MAP:URI="(.*?_init.mp4)"\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:2.00000,\n` +
`(.*?_seg0\.mp4)\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:1.00000,\n` +
`(.*?_seg1\.mp4)\n$`)
}
require.Regexp(t, re, string(byts))
ma := re.FindStringSubmatch(string(byts))
if ca == "mpegts" {
_, err = os.ReadFile(filepath.Join(dir, ma[2]))
require.NoError(t, err)
m.Close()
_, err = os.ReadFile(filepath.Join(dir, ma[2]))
require.Error(t, err)
} else {
_, err = os.ReadFile(filepath.Join(dir, ma[1]))
require.NoError(t, err)
_, err = os.ReadFile(filepath.Join(dir, ma[3]))
require.NoError(t, err)
m.Close()
_, err = os.ReadFile(filepath.Join(dir, ma[3]))
require.Error(t, err)
}
})
}
}
func TestMuxerDynamicParams(t *testing.T) {
m := &Muxer{
Variant: MuxerVariantFMP4,
SegmentCount: 3,
SegmentMinDuration: 1 * time.Second,
VideoTrack: testVideoTrack,
}
err := m.Start()
require.NoError(t, err)
defer m.Close()
err = m.WriteH26x(testTime, 0, [][]byte{
testSPS,
{5}, // IDR
{1},
})
require.NoError(t, err)
err = m.WriteH26x(testTime, 1*time.Second, [][]byte{
{5}, // IDR
{2},
})
require.NoError(t, err)
err = m.WriteH26x(testTime, 2*time.Second, [][]byte{
{5}, // IDR
{2},
})
require.NoError(t, err)
bu, _, err := doRequest(m, "index.m3u8", "", "", "")
require.NoError(t, err)
require.Equal(t, "#EXTM3U\n"+
"#EXT-X-VERSION:9\n"+
"#EXT-X-INDEPENDENT-SEGMENTS\n"+
"\n"+
"#EXT-X-STREAM-INF:BANDWIDTH=1144,AVERAGE-BANDWIDTH=1028,"+
"CODECS=\"avc1.42c028\",RESOLUTION=1920x1080,FRAME-RATE=30.000\n"+
"stream.m3u8\n", string(bu))
bu, _, err = doRequest(m, m.prefix+"_init.mp4", "", "", "")
require.NoError(t, err)
func() {
var init fmp4.Init
err = init.Unmarshal(bytes.NewReader(bu))
require.NoError(t, err)
require.Equal(t, testSPS, init.Tracks[0].Codec.(*fmp4.CodecH264).SPS)
}()
// SPS (720p)
testSPS2 := []byte{
0x67, 0x64, 0x00, 0x1f, 0xac, 0xd9, 0x40, 0x50,
0x05, 0xbb, 0x01, 0x6c, 0x80, 0x00, 0x00, 0x03,
0x00, 0x80, 0x00, 0x00, 0x1e, 0x07, 0x8c, 0x18,
0xcb,
}
err = m.WriteH26x(testTime, 3*time.Second, [][]byte{
testSPS2,
{5}, // IDR
{2},
})
require.NoError(t, err)
err = m.WriteH26x(testTime, 5*time.Second, [][]byte{
{5}, // IDR
})
require.NoError(t, err)
bu, _, err = doRequest(m, "index.m3u8", "", "", "")
require.NoError(t, err)
require.Equal(t, "#EXTM3U\n"+
"#EXT-X-VERSION:9\n"+
"#EXT-X-INDEPENDENT-SEGMENTS\n"+
"\n"+
"#EXT-X-STREAM-INF:BANDWIDTH=912,AVERAGE-BANDWIDTH=742,"+
"CODECS=\"avc1.64001f\",RESOLUTION=1280x720,FRAME-RATE=30.000\n"+
"stream.m3u8\n", string(bu))
bu, _, err = doRequest(m, m.prefix+"_init.mp4", "", "", "")
require.NoError(t, err)
var init fmp4.Init
err = init.Unmarshal(bytes.NewReader(bu))
require.NoError(t, err)
require.Equal(t, testSPS2, init.Tracks[0].Codec.(*fmp4.CodecH264).SPS)
}
func TestMuxerFMP4ZeroDuration(t *testing.T) {
m := &Muxer{
Variant: MuxerVariantFMP4,
SegmentCount: 3,
SegmentMinDuration: 1 * time.Second,
VideoTrack: testVideoTrack,
}
err := m.Start()
require.NoError(t, err)
defer m.Close()
err = m.WriteH26x(time.Now(), 0, [][]byte{
testSPS, // SPS
{8}, // PPS
{5}, // IDR
})
require.NoError(t, err)
err = m.WriteH26x(time.Now(), 1*time.Nanosecond, [][]byte{
testSPS, // SPS
{8}, // PPS
{5}, // IDR
})
require.NoError(t, err)
}
func TestMuxerFMP4NegativeTimestamp(t *testing.T) {
m := &Muxer{
Variant: MuxerVariantFMP4,
SegmentCount: 3,
SegmentMinDuration: 2 * time.Second,
VideoTrack: testVideoTrack,
AudioTrack: testAudioTrack,
}
err := m.Start()
require.NoError(t, err)
defer m.Close()
err = m.WriteMPEG4Audio(testTime, -9*time.Second, [][]byte{
{1, 2, 3, 4},
})
require.NoError(t, err)
// this is skipped
err = m.WriteH26x(testTime, -11*time.Second, [][]byte{
testSPS,
{5}, // IDR
{1},
})
require.NoError(t, err)
err = m.WriteH26x(testTime, -9*time.Second, [][]byte{
testSPS,
{5}, // IDR
{1},
})
require.NoError(t, err)
err = m.WriteH26x(testTime, -8*time.Second, [][]byte{
{5}, // IDR
{2},
})
require.NoError(t, err)
// this is skipped
err = m.WriteMPEG4Audio(testTime, -11*time.Second, [][]byte{
{1, 2, 3, 4},
})
require.NoError(t, err)
err = m.WriteMPEG4Audio(testTime, -8*time.Second, [][]byte{
{5, 6, 7, 8},
})
require.NoError(t, err)
err = m.WriteMPEG4Audio(testTime, -7*time.Second, [][]byte{
{9, 10, 11, 12},
})
require.NoError(t, err)
// switch segment
err = m.WriteH26x(testTime, -7*time.Second, [][]byte{
{5}, // IDR
{3},
})
require.NoError(t, err)
bu, _, err := doRequest(m, m.prefix+"_seg0.mp4", "", "", "")
require.NoError(t, err)
var parts fmp4.Parts
err = parts.Unmarshal(bu)
require.NoError(t, err)
require.Equal(t, fmp4.Parts{{
Tracks: []*fmp4.PartTrack{
{
ID: 1,
BaseTime: 90000,
Samples: []*fmp4.PartSample{
{
Duration: 90000,
Payload: []byte{
0x00, 0x00, 0x00, 0x19, 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, 0x00, 0x00, 0x00,
0x01, 0x05, 0x00, 0x00, 0x00, 0x01, 0x01,
},
},
{
Duration: 90000,
Payload: []byte{
0x00, 0x00, 0x00, 0x01, 0x05, 0x00, 0x00, 0x00,
0x01, 0x02,
},
},
},
},
{
ID: 2,
BaseTime: 44100,
Samples: []*fmp4.PartSample{
{
Duration: 44100,
Payload: []byte{1, 2, 3, 4},
},
{
Duration: 44100,
Payload: []byte{5, 6, 7, 8},
},
},
},
},
}}, parts)
}
func TestMuxerFMP4SequenceNumber(t *testing.T) {
m := &Muxer{
Variant: MuxerVariantLowLatency,
SegmentCount: 7,
SegmentDuration: 2 * time.Second,
VideoTrack: testVideoTrack,
}
err := m.Start()
require.NoError(t, err)
defer m.Close()
err = m.WriteH26x(testTime, 0, [][]byte{
testSPS,
{5}, // IDR
{1},
})
require.NoError(t, err)
for i := 0; i < 3; i++ {
err = m.WriteH26x(testTime, (1+time.Duration(i))*time.Second, [][]byte{
{1}, // non IDR