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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/bluenviron/gohlslib/v2/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},
},
ClockRate: 90000,
}
var testAudioTrack = &Track{
Codec: &codecs.MPEG4Audio{
Config: mpeg4audio.Config{
Type: 2,
SampleRate: 44100,
ChannelCount: 2,
},
},
ClockRate: 44100,
}
var testAudioTrack2 = &Track{
Codec: &codecs.MPEG4Audio{
Config: mpeg4audio.Config{
Type: 2,
SampleRate: 44100,
ChannelCount: 2,
},
},
ClockRate: 44100,
Name: "German",
Language: "de",
}
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, pathAndQuery string) ([]byte, http.Header, error) {
u, _ := url.Parse("http://localhost/" + pathAndQuery)
r := &http.Request{
URL: u,
}
w := &dummyResponseWriter{
h: make(http.Header),
}
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 TestMuxer(t *testing.T) {
createMuxer := func(t *testing.T, variant string, content string) *Muxer {
var v MuxerVariant
var segmentCount int
switch variant {
case "mpegts":
v = MuxerVariantMPEGTS
segmentCount = 3
case "fmp4":
v = MuxerVariantFMP4
segmentCount = 3
case "lowLatency":
v = MuxerVariantLowLatency
segmentCount = 7
}
var tracks []*Track
switch content {
case "video+audio":
tracks = append(tracks, testVideoTrack)
tracks = append(tracks, testAudioTrack)
case "video":
tracks = append(tracks, testVideoTrack)
case "audio":
tracks = append(tracks, testAudioTrack)
case "video+multiaudio":
tracks = append(tracks, testVideoTrack)
tracks = append(tracks, testAudioTrack)
tracks = append(tracks, testAudioTrack2)
case "multiaudio":
tracks = append(tracks, testAudioTrack)
tracks = append(tracks, testAudioTrack2)
}
m := &Muxer{
Variant: v,
SegmentCount: segmentCount,
SegmentMinDuration: 1 * time.Second,
Tracks: tracks,
}
err := m.Start()
require.NoError(t, err)
switch content {
case "video+audio":
d := 1 * time.Second
err = m.WriteH264(testVideoTrack, testTime.Add(d-1*time.Second),
int64(d)*int64(testVideoTrack.ClockRate)/int64(time.Second),
[][]byte{
{1}, // non-IDR
})
require.NoError(t, err)
d = 2 * time.Second
err = m.WriteH264(testVideoTrack, testTime.Add(d-1*time.Second),
int64(d)*int64(testVideoTrack.ClockRate)/int64(time.Second),
[][]byte{
testSPS, // SPS
{8}, // PPS
{5}, // IDR
})
require.NoError(t, err)
d = 3 * time.Second
err = m.WriteMPEG4Audio(testAudioTrack, testTime.Add(d-1*time.Second),
int64(d)*int64(testAudioTrack.ClockRate)/int64(time.Second),
[][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
d = 3500 * time.Millisecond
err = m.WriteMPEG4Audio(testAudioTrack, testTime.Add(d-1*time.Second),
int64(d)*int64(testAudioTrack.ClockRate)/int64(time.Second),
[][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
d = 4 * time.Second
err = m.WriteH264(testVideoTrack, testTime.Add(d-1*time.Second),
int64(d)*int64(testVideoTrack.ClockRate)/int64(time.Second),
[][]byte{
{1}, // non-IDR
})
require.NoError(t, err)
d = 4500 * time.Millisecond
err = m.WriteMPEG4Audio(testAudioTrack, testTime.Add(d-1*time.Second),
int64(d)*int64(testAudioTrack.ClockRate)/int64(time.Second),
[][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
d = 6 * time.Second
err = m.WriteH264(testVideoTrack, testTime.Add(d-1*time.Second),
int64(d)*int64(testVideoTrack.ClockRate)/int64(time.Second),
[][]byte{
{5}, // IDR
})
require.NoError(t, err)
d = 7 * time.Second
err = m.WriteH264(testVideoTrack, testTime.Add(d-1*time.Second),
int64(d)*int64(testVideoTrack.ClockRate)/int64(time.Second),
[][]byte{
{5}, // IDR
})
require.NoError(t, err)
case "video":
d := 2 * time.Second
err = m.WriteH264(testVideoTrack, testTime.Add(d-2*time.Second),
int64(d)*int64(testVideoTrack.ClockRate)/int64(time.Second),
[][]byte{
testSPS, // SPS
{8}, // PPS
{5}, // IDR
})
require.NoError(t, err)
d = 6 * time.Second
err = m.WriteH264(testVideoTrack, testTime.Add(d-2*time.Second),
int64(d)*int64(testVideoTrack.ClockRate)/int64(time.Second),
[][]byte{
{5}, // IDR
})
require.NoError(t, err)
d = 7 * time.Second
err = m.WriteH264(testVideoTrack, testTime.Add(d-2*time.Second),
int64(d)*int64(testVideoTrack.ClockRate)/int64(time.Second),
[][]byte{
{5}, // IDR
})
require.NoError(t, err)
case "audio":
for i := 0; i < 100; i++ {
d := time.Duration(i) * 4 * time.Millisecond
err = m.WriteMPEG4Audio(testAudioTrack, testTime.Add(d-1*time.Second),
int64(d)*int64(testAudioTrack.ClockRate)/int64(time.Second),
[][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
}
d := 2 * time.Second
err = m.WriteMPEG4Audio(testAudioTrack, testTime.Add(d-1*time.Second),
int64(d)*int64(testAudioTrack.ClockRate)/int64(time.Second),
[][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
d = 3 * time.Second
err = m.WriteMPEG4Audio(testAudioTrack, testTime.Add(d-1*time.Second),
int64(d)*int64(testAudioTrack.ClockRate)/int64(time.Second),
[][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
case "video+multiaudio":
d := 2 * time.Second
err = m.WriteH264(testVideoTrack, testTime.Add(d-1*time.Second),
int64(d)*int64(testVideoTrack.ClockRate)/int64(time.Second),
[][]byte{
testSPS, // SPS
{8}, // PPS
{5}, // IDR
})
require.NoError(t, err)
d = 3 * time.Second
err = m.WriteMPEG4Audio(testAudioTrack, testTime.Add(d-1*time.Second),
int64(d)*int64(testAudioTrack.ClockRate)/int64(time.Second),
[][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
d = 3500 * time.Millisecond
err = m.WriteMPEG4Audio(testAudioTrack, testTime.Add(d-1*time.Second),
int64(d)*int64(testAudioTrack.ClockRate)/int64(time.Second),
[][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
d = 2 * time.Second
err = m.WriteMPEG4Audio(testAudioTrack2, testTime.Add(d-1*time.Second),
int64(d)*int64(testAudioTrack.ClockRate)/int64(time.Second),
[][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
d = 2500 * time.Millisecond
err = m.WriteMPEG4Audio(testAudioTrack2, testTime.Add(d-1*time.Second),
int64(d)*int64(testAudioTrack.ClockRate)/int64(time.Second),
[][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
d = 6 * time.Second
err = m.WriteH264(testVideoTrack, testTime.Add(d-1*time.Second),
int64(d)*int64(testVideoTrack.ClockRate)/int64(time.Second),
[][]byte{
{5}, // IDR
})
require.NoError(t, err)
d = 7 * time.Second
err = m.WriteH264(testVideoTrack, testTime.Add(d-1*time.Second),
int64(d)*int64(testVideoTrack.ClockRate)/int64(time.Second),
[][]byte{
{5}, // IDR
})
require.NoError(t, err)
case "multiaudio":
for i := 0; i < 100; i++ {
d := time.Duration(i) * 4 * time.Millisecond
err = m.WriteMPEG4Audio(testAudioTrack, testTime.Add(d-1*time.Second),
int64(d)*int64(testAudioTrack.ClockRate)/int64(time.Second),
[][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
err = m.WriteMPEG4Audio(testAudioTrack2, testTime.Add(d-1*time.Second),
int64(d)*int64(testAudioTrack.ClockRate)/int64(time.Second),
[][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
}
d := 2 * time.Second
err = m.WriteMPEG4Audio(testAudioTrack, testTime.Add(d-1*time.Second),
int64(d)*int64(testAudioTrack.ClockRate)/int64(time.Second),
[][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
d = 3 * time.Second
err = m.WriteMPEG4Audio(testAudioTrack, testTime.Add(d-1*time.Second),
int64(d)*int64(testAudioTrack.ClockRate)/int64(time.Second),
[][]byte{{
0x01, 0x02, 0x03, 0x04,
}})
require.NoError(t, err)
}
return m
}
checkMultivariantPlaylist := func(t *testing.T, m *Muxer, variant string, content string) {
byts, h, err := doRequest(m, "/index.m3u8?key=value")
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 {
case content == "video+audio" && variant == "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"+
"main_stream.m3u8?key=value\n", string(byts))
case content == "video+audio" && variant == "fmp4":
require.Equal(t, "#EXTM3U\n"+
"#EXT-X-VERSION:9\n"+
"#EXT-X-INDEPENDENT-SEGMENTS\n"+
"\n"+
"#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"audio\","+
"NAME=\"audio2\",AUTOSELECT=YES,DEFAULT=YES,URI=\"audio2_stream.m3u8?key=value\"\n"+
"\n"+
"#EXT-X-STREAM-INF:BANDWIDTH=872,AVERAGE-BANDWIDTH=436,CODECS=\"avc1.42c028,mp4a.40.2\","+
"RESOLUTION=1920x1080,FRAME-RATE=30.000,AUDIO=\"audio\"\n"+
"video1_stream.m3u8?key=value\n", string(byts))
case content == "video+audio" && variant == "lowLatency":
require.Equal(t, "#EXTM3U\n"+
"#EXT-X-VERSION:9\n"+
"#EXT-X-INDEPENDENT-SEGMENTS\n"+
"\n"+
"#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"audio\","+
"NAME=\"audio2\",AUTOSELECT=YES,DEFAULT=YES,URI=\"audio2_stream.m3u8?key=value\"\n"+
"\n"+
"#EXT-X-STREAM-INF:BANDWIDTH=872,AVERAGE-BANDWIDTH=584,CODECS=\"avc1.42c028,mp4a.40.2\","+
"RESOLUTION=1920x1080,FRAME-RATE=30.000,AUDIO=\"audio\"\n"+
"video1_stream.m3u8?key=value\n", string(byts))
case content == "video" && variant == "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"+
"main_stream.m3u8?key=value\n", string(byts))
case content == "video" && variant == "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=403,CODECS=\"avc1.42c028\","+
"RESOLUTION=1920x1080,FRAME-RATE=30.000\n"+
"video1_stream.m3u8?key=value\n", string(byts))
case content == "video" && variant == "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=403,CODECS=\"avc1.42c028\","+
"RESOLUTION=1920x1080,FRAME-RATE=30.000\n"+
"video1_stream.m3u8?key=value\n", string(byts))
case content == "audio" && variant == "mpegts":
require.Equal(t, "#EXTM3U\n"+
"#EXT-X-VERSION:3\n"+
"#EXT-X-INDEPENDENT-SEGMENTS\n"+
"\n"+
"#EXT-X-STREAM-INF:BANDWIDTH=225600,AVERAGE-BANDWIDTH=225600,CODECS=\"mp4a.40.2\"\n"+
"main_stream.m3u8?key=value\n", string(byts))
case content == "audio" && variant == "fmp4":
require.Equal(t, "#EXTM3U\n"+
"#EXT-X-VERSION:9\n"+
"#EXT-X-INDEPENDENT-SEGMENTS\n"+
"\n"+
"#EXT-X-STREAM-INF:BANDWIDTH=5184,AVERAGE-BANDWIDTH=3744,CODECS=\"mp4a.40.2\"\n"+
"audio1_stream.m3u8?key=value\n", string(byts))
case content == "audio" && variant == "lowLatency":
require.Equal(t, "#EXTM3U\n"+
"#EXT-X-VERSION:9\n"+
"#EXT-X-INDEPENDENT-SEGMENTS\n"+
"\n"+
"#EXT-X-STREAM-INF:BANDWIDTH=5568,AVERAGE-BANDWIDTH=4000,CODECS=\"mp4a.40.2\"\n"+
"audio1_stream.m3u8?key=value\n", string(byts))
case content == "video+multiaudio" && (variant == "fmp4" || variant == "lowLatency"):
require.Equal(t, "#EXTM3U\n"+
"#EXT-X-VERSION:9\n"+
"#EXT-X-INDEPENDENT-SEGMENTS\n"+
"\n"+
"#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"audio\","+
"NAME=\"audio2\",AUTOSELECT=YES,DEFAULT=YES,URI=\"audio2_stream.m3u8?key=value\"\n"+
"#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"audio\","+
"LANGUAGE=\"de\",NAME=\"German\",AUTOSELECT=YES,URI=\"audio3_stream.m3u8?key=value\"\n"+
"\n"+
"#EXT-X-STREAM-INF:BANDWIDTH=872,AVERAGE-BANDWIDTH=403,"+
"CODECS=\"avc1.42c028,mp4a.40.2\",RESOLUTION=1920x1080,FRAME-RATE=30.000,AUDIO=\"audio\"\n"+
"video1_stream.m3u8?key=value\n", string(byts))
case content == "multiaudio" && variant == "fmp4":
require.Equal(t, "#EXTM3U\n"+
"#EXT-X-VERSION:9\n"+
"#EXT-X-INDEPENDENT-SEGMENTS\n"+
"\n"+
"#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"audio\",NAME=\"audio1\",AUTOSELECT=YES,DEFAULT=YES\n"+
"#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"audio\",LANGUAGE=\"de\",NAME=\"German\","+
"AUTOSELECT=YES,URI=\"audio2_stream.m3u8?key=value\"\n"+
"\n"+
"#EXT-X-STREAM-INF:BANDWIDTH=5184,AVERAGE-BANDWIDTH=3744,CODECS=\"mp4a.40.2\",AUDIO=\"audio\"\n"+
"audio1_stream.m3u8?key=value\n", string(byts))
case content == "multiaudio" && variant == "lowLatency":
require.Equal(t, "#EXTM3U\n"+
"#EXT-X-VERSION:9\n"+
"#EXT-X-INDEPENDENT-SEGMENTS\n"+
"\n"+
"#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"audio\",NAME=\"audio1\",AUTOSELECT=YES,DEFAULT=YES\n"+
"#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"audio\",LANGUAGE=\"de\",NAME=\"German\","+
"AUTOSELECT=YES,URI=\"audio2_stream.m3u8?key=value\"\n"+
"\n"+
"#EXT-X-STREAM-INF:BANDWIDTH=5568,AVERAGE-BANDWIDTH=4000,CODECS=\"mp4a.40.2\",AUDIO=\"audio\"\n"+
"audio1_stream.m3u8?key=value\n", string(byts))
}
}
checkPlaylist1 := func(t *testing.T, m *Muxer, variant string, content string) {
var u string
switch {
case variant == "mpegts":
u = "main_stream.m3u8?key=value"
case content == "audio" || content == "multiaudio":
u = "audio1_stream.m3u8?key=value"
default:
u = "video1_stream.m3u8?key=value"
}
byts, h, err := doRequest(m, u)
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 {
case variant == "mpegts" && (content == "video+audio" || content == "video"):
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\?key=value)\n` +
`#EXT-X-PROGRAM-DATE-TIME:.*?\n` +
`#EXTINF:1.00000,\n` +
`(.*?_seg1\.ts\?key=value)\n$`)
require.Regexp(t, re, string(byts))
case variant == "mpegts" && content == "audio":
re := regexp.MustCompile(`^#EXTM3U\n` +
`#EXT-X-VERSION:3\n` +
`#EXT-X-ALLOW-CACHE:NO\n` +
`#EXT-X-TARGETDURATION:2\n` +
`#EXT-X-MEDIA-SEQUENCE:0\n` +
`#EXT-X-PROGRAM-DATE-TIME:.*?\n` +
`#EXTINF:2.00000,\n` +
`(.*?_seg0\.ts\?key=value)\n$`)
require.Regexp(t, re, string(byts))
case variant == "fmp4" && (content == "video+audio" || content == "video"):
re := regexp.MustCompile(`^#EXTM3U\n` +
`#EXT-X-VERSION:10\n` +
`#EXT-X-TARGETDURATION:4\n` +
`#EXT-X-MEDIA-SEQUENCE:0\n` +
`#EXT-X-MAP:URI="(.*?_init.mp4\?key=value)"\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:4.00000,\n` +
`(.*?_seg0\.mp4\?key=value)\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:1.00000,\n` +
`(.*?_seg1\.mp4\?key=value)\n$`)
require.Regexp(t, re, string(byts))
case variant == "fmp4" && content == "audio":
re := regexp.MustCompile(`^#EXTM3U\n` +
`#EXT-X-VERSION:10\n` +
`#EXT-X-TARGETDURATION:2\n` +
`#EXT-X-MEDIA-SEQUENCE:0\n` +
`#EXT-X-MAP:URI="(.*?_init.mp4\?key=value)"\n` +
`#EXT-X-PROGRAM-DATE-TIME:.*?\n` +
`#EXTINF:2.00000,\n` +
`(.*?_seg0\.mp4\?key=value)\n` +
`#EXT-X-PROGRAM-DATE-TIME:.*?\n` +
`#EXTINF:1.00000,\n` +
`(.*?_seg1.mp4\?key=value)\n$`)
require.Regexp(t, re, string(byts))
case variant == "lowLatency" && content == "video+audio":
re := regexp.MustCompile(`^#EXTM3U\n` +
`#EXT-X-VERSION:10\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\?key=value)"\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\?key=value)",INDEPENDENT=YES\n` +
`#EXT-X-PART:DURATION=2.00000,URI="(.*?_part1\.mp4\?key=value)"\n` +
`#EXTINF:4.00000,\n` +
`(.*?_seg7\.mp4\?key=value)\n` +
`#EXT-X-PROGRAM-DATE-TIME:2010-01-01T01:01:06Z\n` +
`#EXT-X-PART:DURATION=1.00000,URI="(.*?_part2\.mp4\?key=value)",INDEPENDENT=YES\n` +
`#EXTINF:1.00000,\n` +
`(.*?_seg8\.mp4\?key=value)\n` +
`#EXT-X-PRELOAD-HINT:TYPE=PART,URI="(.*?_part3\.mp4\?key=value)"\n$`)
require.Regexp(t, re, string(byts))
case variant == "lowLatency" && content == "video":
re := regexp.MustCompile(`^#EXTM3U\n` +
`#EXT-X-VERSION:10\n` +
`#EXT-X-TARGETDURATION:4\n` +
`#EXT-X-SERVER-CONTROL:CAN-BLOCK-RELOAD=YES,PART-HOLD-BACK=10\.00000,CAN-SKIP-UNTIL=24\.00000\n` +
`#EXT-X-PART-INF:PART-TARGET=4\.00000\n` +
`#EXT-X-MEDIA-SEQUENCE:2\n` +
`#EXT-X-MAP:URI="(.*?_init\.mp4\?key=value)"\n` +
`#EXT-X-GAP\n` +
`#EXTINF:4.00000,\n` +
`gap.mp4\n` +
`#EXT-X-GAP\n` +
`#EXTINF:4.00000,\n` +
`gap.mp4\n` +
`#EXT-X-GAP\n` +
`#EXTINF:4.00000,\n` +
`gap.mp4\n` +
`#EXT-X-GAP\n` +
`#EXTINF:4.00000,\n` +
`gap.mp4\n` +
`#EXT-X-GAP\n` +
`#EXTINF:4.00000,\n` +
`gap.mp4\n` +
`#EXT-X-PROGRAM-DATE-TIME:.+?\n` +
`#EXT-X-PART:DURATION=4.00000,URI="(.*?_part0\.mp4\?key=value)",INDEPENDENT=YES\n` +
`#EXTINF:4.00000,\n` +
`(.*?_seg7\.mp4\?key=value)\n` +
`#EXT-X-PROGRAM-DATE-TIME:.+?\n` +
`#EXT-X-PART:DURATION=1.00000,URI="(.*?_part1\.mp4\?key=value)",INDEPENDENT=YES\n` +
`#EXTINF:1.00000,\n` +
`(.*?_seg8\.mp4\?key=value)\n` +
`#EXT-X-PRELOAD-HINT:TYPE=PART,URI="(.*?_part2\.mp4\?key=value)"\n$`)
require.Regexp(t, re, string(byts))
case variant == "lowLatency" && content == "audio":
re := regexp.MustCompile(`^#EXTM3U\n` +
`#EXT-X-VERSION:10\n` +
`#EXT-X-TARGETDURATION:2\n` +
`#EXT-X-SERVER-CONTROL:CAN-BLOCK-RELOAD=YES,PART-HOLD-BACK=4\.50000,CAN-SKIP-UNTIL=12\.00000\n` +
`#EXT-X-PART-INF:PART-TARGET=1\.80000\n` +
`#EXT-X-MEDIA-SEQUENCE:2\n` +
`#EXT-X-MAP:URI="(.*?_init\.mp4\?key=value)"\n` +
`#EXT-X-GAP\n` +
`#EXTINF:2.00000,\n` +
`gap.mp4\n` +
`#EXT-X-GAP\n` +
`#EXTINF:2.00000,\n` +
`gap.mp4\n` +
`#EXT-X-GAP\n` +
`#EXTINF:2.00000,\n` +
`gap.mp4\n` +
`#EXT-X-GAP\n` +
`#EXTINF:2.00000,\n` +
`gap.mp4\n` +
`#EXT-X-GAP\n` +
`#EXTINF:2.00000,\n` +
`gap.mp4\n` +
`#EXT-X-PROGRAM-DATE-TIME:.+?\n` +
`#EXT-X-PART:DURATION=0\.20000,URI="(.*?_part0\.mp4\?key=value)",INDEPENDENT=YES\n` +
`#EXT-X-PART:DURATION=1\.80000,URI="(.*?_part1\.mp4\?key=value)",INDEPENDENT=YES\n` +
`#EXTINF:2.00000,\n` +
`(.*?_seg7\.mp4\?key=value)\n` +
`#EXT-X-PROGRAM-DATE-TIME:.+?\n` +
`#EXT-X-PART:DURATION=1.00000,URI="(.*?_part2\.mp4\?key=value)",INDEPENDENT=YES\n` +
`#EXTINF:1.00000,\n` +
`(.*?_seg8\.mp4\?key=value)\n` +
`#EXT-X-PRELOAD-HINT:TYPE=PART,URI="(.*?_part3\.mp4\?key=value)"\n$`)
require.Regexp(t, re, string(byts))
}
}
checkPlaylist2 := func(t *testing.T, m *Muxer, variant string) {
byts, h, err := doRequest(m, "audio2_stream.m3u8?key=value")
require.NoError(t, err)
require.Equal(t, "application/vnd.apple.mpegurl", h.Get("Content-Type"))
require.Equal(t, "no-cache", h.Get("Cache-Control"))
switch {
case variant == "fmp4":
re := regexp.MustCompile(`^#EXTM3U\n` +
`#EXT-X-VERSION:10\n` +
`#EXT-X-TARGETDURATION:4\n` +
`#EXT-X-MEDIA-SEQUENCE:0\n` +
`#EXT-X-MAP:URI="(.*?_init.mp4\?key=value)"\n` +
`#EXT-X-PROGRAM-DATE-TIME:.*?\n` +
`#EXTINF:4.00000,\n` +
`(.*?_seg0\.mp4\?key=value)\n` +
`#EXT-X-PROGRAM-DATE-TIME:.*?\n` +
`#EXTINF:1.00000,\n` +
`(.*?_seg1.mp4\?key=value)\n$`)
require.Regexp(t, re, string(byts))
case variant == "lowLatency":
re := regexp.MustCompile(`^#EXTM3U\n` +
`#EXT-X-VERSION:10\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\?key=value)"\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:.+?\n` +
`#EXT-X-PART:DURATION=2\.00000,URI="(.*?_part0\.mp4\?key=value)"\n` +
`#EXT-X-PART:DURATION=2\.00000,URI="(.*?_part1\.mp4\?key=value)",INDEPENDENT=YES\n` +
`#EXTINF:4.00000,\n` +
`(.*?_seg7\.mp4\?key=value)\n` +
`#EXT-X-PROGRAM-DATE-TIME:.+?\n` +
`#EXT-X-PART:DURATION=1.00000,URI="(.*?_part2\.mp4\?key=value)"\n` +
`#EXTINF:1.00000,\n` +
`(.*?_seg8\.mp4\?key=value)\n` +
`#EXT-X-PRELOAD-HINT:TYPE=PART,URI="(.*?_part3\.mp4\?key=value)"\n$`)
require.Regexp(t, re, string(byts))
}
}
for _, variant := range []string{
"mpegts",
"fmp4",
"lowLatency",
} {
for _, content := range []string{
"video+audio",
"video",
"audio",
"video+multiaudio",
"multiaudio",
} {
if variant == "mpegts" && (content == "video+multiaudio" || content == "multiaudio") {
continue
}
t.Run(variant+"_"+content, func(t *testing.T) {
m := createMuxer(t, variant, content)
defer m.Close()
checkMultivariantPlaylist(t, m, variant, content)
checkPlaylist1(t, m, variant, content)
if (variant == "fmp4" || variant == "lowLatency") && content == "video+audio" {
checkPlaylist2(t, m, variant)
}
})
}
}
}
func TestMuxerCloseBeforeData(t *testing.T) {
m := &Muxer{
Variant: MuxerVariantFMP4,
SegmentCount: 3,
SegmentMinDuration: 1 * time.Second,
Tracks: []*Track{testVideoTrack},
}
err := m.Start()
require.NoError(t, err)
m.Close()
b, _, _ := doRequest(m, "index.m3u8")
require.Equal(t, []byte(nil), b)
b, _, _ = doRequest(m, "video1_stream.m3u8")
require.Equal(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,
Tracks: []*Track{testVideoTrack},
}
err := m.Start()
require.NoError(t, err)
defer m.Close()
err = m.WriteH264(
testVideoTrack,
testTime,
int64(2*time.Second)*int64(testVideoTrack.ClockRate)/int64(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,
Tracks: []*Track{testVideoTrack},
}
err := m.Start()
require.NoError(t, err)
defer m.Close()
err = m.WriteH264(testVideoTrack, testTime, 0, [][]byte{
testSPS,
{5}, // IDR
{1},
})
require.NoError(t, err)
err = m.WriteH264(
testVideoTrack,
testTime,
int64(2*time.Second)*int64(testVideoTrack.ClockRate)/int64(time.Second),
[][]byte{
{5}, // IDR
{2},
})
require.NoError(t, err)
byts, _, err := doRequest(m, "main_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,
Tracks: []*Track{testVideoTrack},
Directory: dir,
}
err = m.Start()
require.NoError(t, err)
err = m.WriteH264(testVideoTrack, testTime, 0, [][]byte{
testSPS,
{5}, // IDR
{1},
})
require.NoError(t, err)
err = m.WriteH264(testVideoTrack, testTime, 2*90000, [][]byte{
{5}, // IDR
{2},
})
require.NoError(t, err)
err = m.WriteH264(testVideoTrack, testTime, 3*90000, [][]byte{
{5}, // IDR
{2},
})
require.NoError(t, err)
var u string
if ca == "mpegts" {
u = "main_stream.m3u8"
} else {
u = "video1_stream.m3u8"
}
byts, _, err := doRequest(m, u)
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$`)
} else {
re = regexp.MustCompile(`^#EXTM3U\n` +
`#EXT-X-VERSION:10\n` +
`#EXT-X-TARGETDURATION:2\n` +
`#EXT-X-MEDIA-SEQUENCE:0\n` +
`#EXT-X-MAP:URI="(.*?_init.mp4)"\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:2.00000,\n` +
`(.*?_seg0\.mp4)\n` +
`#EXT-X-PROGRAM-DATE-TIME:(.*?)\n` +
`#EXTINF:1.00000,\n` +
`(.*?_seg1\.mp4)\n$`)
}
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[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,
Tracks: []*Track{testVideoTrack},
}
err := m.Start()
require.NoError(t, err)
defer m.Close()
err = m.WriteH264(testVideoTrack, testTime, 0, [][]byte{
testSPS,
{5}, // IDR
{1},
})
require.NoError(t, err)
err = m.WriteH264(testVideoTrack, testTime, 1*90000, [][]byte{