mirror of
https://github.com/aler9/gortsplib
synced 2025-10-05 15:16:51 +08:00
399 lines
8.2 KiB
Go
399 lines
8.2 KiB
Go
package rtph264
|
|
|
|
import (
|
|
"bytes"
|
|
"errors"
|
|
"testing"
|
|
|
|
"github.com/bluenviron/mediacommon/v2/pkg/codecs/h264"
|
|
"github.com/pion/rtp"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func TestDecode(t *testing.T) {
|
|
for _, ca := range cases {
|
|
t.Run(ca.name, func(t *testing.T) {
|
|
d := &Decoder{}
|
|
err := d.Init()
|
|
require.NoError(t, err)
|
|
|
|
var nalus [][]byte
|
|
|
|
for _, pkt := range ca.pkts {
|
|
clone := pkt.Clone()
|
|
|
|
addNALUs, err := d.Decode(pkt)
|
|
|
|
// test input integrity
|
|
require.Equal(t, clone, pkt)
|
|
|
|
if errors.Is(err, ErrMorePacketsNeeded) {
|
|
continue
|
|
}
|
|
|
|
require.NoError(t, err)
|
|
nalus = append(nalus, addNALUs...)
|
|
}
|
|
|
|
require.Equal(t, ca.nalus, nalus)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestDecodeCorruptedFragment(t *testing.T) {
|
|
d := &Decoder{}
|
|
err := d.Init()
|
|
require.NoError(t, err)
|
|
|
|
_, err = d.Decode(&rtp.Packet{
|
|
Header: rtp.Header{
|
|
Version: 2,
|
|
Marker: true,
|
|
PayloadType: 96,
|
|
SequenceNumber: 17645,
|
|
Timestamp: 2289527317,
|
|
SSRC: 0x9dbb7812,
|
|
},
|
|
Payload: mergeBytes(
|
|
[]byte{
|
|
0x1c, 0x85,
|
|
},
|
|
bytes.Repeat([]byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07}, 182),
|
|
[]byte{0x00, 0x01},
|
|
),
|
|
})
|
|
require.Equal(t, ErrMorePacketsNeeded, err)
|
|
|
|
nalus, err := d.Decode(&rtp.Packet{
|
|
Header: rtp.Header{
|
|
Version: 2,
|
|
Marker: true,
|
|
PayloadType: 96,
|
|
SequenceNumber: 17646,
|
|
Timestamp: 2289527317,
|
|
SSRC: 0x9dbb7812,
|
|
},
|
|
Payload: []byte{0x01, 0x00},
|
|
})
|
|
require.NoError(t, err)
|
|
require.Equal(t, [][]byte{{0x01, 0x00}}, nalus)
|
|
}
|
|
|
|
func TestDecodeNoncompliantFragment(t *testing.T) {
|
|
d := &Decoder{}
|
|
err := d.Init()
|
|
require.NoError(t, err)
|
|
|
|
nalus, err := d.Decode(&rtp.Packet{
|
|
Header: rtp.Header{
|
|
Version: 2,
|
|
Marker: true,
|
|
PayloadType: 96,
|
|
SequenceNumber: 18853,
|
|
Timestamp: 1731630255,
|
|
SSRC: 0x466b0000,
|
|
},
|
|
|
|
// FU-A with both start and end bit intentionally set
|
|
// While not compliant with RFC 6184, IP cameras from some vendors
|
|
// (e.g. CostarHD) have been observed to produce such FU-A payloads for
|
|
// sufficiently small P-frames.
|
|
Payload: mergeBytes(
|
|
[]byte{
|
|
0x3c, // FU indicator
|
|
0xc1, // FU header (start and end bit both intentionally set)
|
|
0xe7, 0x00, // DON
|
|
0xca, 0xfe, // Payload
|
|
},
|
|
),
|
|
})
|
|
require.NoError(t, err)
|
|
require.Equal(t, [][]byte{{0x21, 0xe7, 0x00, 0xca, 0xfe}}, nalus)
|
|
}
|
|
|
|
func TestDecodeSTAPAWithPadding(t *testing.T) {
|
|
d := &Decoder{}
|
|
err := d.Init()
|
|
require.NoError(t, err)
|
|
|
|
pkt := rtp.Packet{
|
|
Header: rtp.Header{
|
|
Version: 2,
|
|
Marker: true,
|
|
PayloadType: 96,
|
|
SequenceNumber: 17645,
|
|
SSRC: 0x9dbb7812,
|
|
},
|
|
Payload: []byte{
|
|
0x18, 0x00, 0x02, 0xaa,
|
|
0xbb, 0x00, 0x02, 0xcc, 0xdd, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
},
|
|
}
|
|
|
|
nalus, err := d.Decode(&pkt)
|
|
require.NoError(t, err)
|
|
require.Equal(t, [][]byte{
|
|
{0xaa, 0xbb},
|
|
{0xcc, 0xdd},
|
|
}, nalus)
|
|
}
|
|
|
|
func TestDecodeAnnexB(t *testing.T) {
|
|
d := &Decoder{}
|
|
err := d.Init()
|
|
require.NoError(t, err)
|
|
|
|
nalus, err := d.Decode(&rtp.Packet{
|
|
Header: rtp.Header{
|
|
Version: 2,
|
|
Marker: true,
|
|
PayloadType: 96,
|
|
SequenceNumber: 17647,
|
|
Timestamp: 2289531307,
|
|
SSRC: 0x9dbb7812,
|
|
},
|
|
Payload: mergeBytes(
|
|
[]byte{0x01, 0x02, 0x03, 0x04},
|
|
),
|
|
})
|
|
require.NoError(t, err)
|
|
require.Equal(t, [][]byte{
|
|
{0x01, 0x02, 0x03, 0x04},
|
|
}, nalus)
|
|
|
|
for i := 0; i < 2; i++ {
|
|
nalus, err := d.Decode(&rtp.Packet{
|
|
Header: rtp.Header{
|
|
Version: 2,
|
|
Marker: true,
|
|
PayloadType: 96,
|
|
SequenceNumber: 17647,
|
|
Timestamp: 2289531307,
|
|
SSRC: 0x9dbb7812,
|
|
},
|
|
Payload: mergeBytes(
|
|
[]byte{0x00, 0x00, 0x00, 0x01},
|
|
[]byte{0x01, 0x02, 0x03, 0x04},
|
|
[]byte{0x00, 0x00, 0x00, 0x01},
|
|
[]byte{0x01, 0x02, 0x03, 0x04},
|
|
),
|
|
})
|
|
require.NoError(t, err)
|
|
require.Equal(t, [][]byte{
|
|
{0x01, 0x02, 0x03, 0x04},
|
|
{0x01, 0x02, 0x03, 0x04},
|
|
}, nalus)
|
|
}
|
|
}
|
|
|
|
func TestDecodeAccessUnit(t *testing.T) {
|
|
for _, ca := range []struct {
|
|
name string
|
|
pkts []*rtp.Packet
|
|
au [][]byte
|
|
}{
|
|
{
|
|
"marker-splitted",
|
|
[]*rtp.Packet{
|
|
{
|
|
Header: rtp.Header{
|
|
Version: 2,
|
|
Marker: false,
|
|
PayloadType: 96,
|
|
SequenceNumber: 17647,
|
|
Timestamp: 2289531307,
|
|
SSRC: 0x9dbb7812,
|
|
},
|
|
Payload: []byte{1, 2},
|
|
},
|
|
{
|
|
Header: rtp.Header{
|
|
Version: 2,
|
|
Marker: true,
|
|
PayloadType: 96,
|
|
SequenceNumber: 17647,
|
|
Timestamp: 2289531307,
|
|
SSRC: 0x9dbb7812,
|
|
},
|
|
Payload: []byte{3, 4},
|
|
},
|
|
},
|
|
[][]byte{{1, 2}, {3, 4}},
|
|
},
|
|
{
|
|
"timestamp-splitted (FLIR M400)",
|
|
[]*rtp.Packet{
|
|
{
|
|
Header: rtp.Header{
|
|
Version: 2,
|
|
Marker: false,
|
|
PayloadType: 96,
|
|
SequenceNumber: 17647,
|
|
Timestamp: 2289531307,
|
|
SSRC: 0x9dbb7812,
|
|
},
|
|
Payload: []byte{1, 2},
|
|
},
|
|
{
|
|
Header: rtp.Header{
|
|
Version: 2,
|
|
Marker: false,
|
|
PayloadType: 96,
|
|
SequenceNumber: 17647,
|
|
Timestamp: 2289531308,
|
|
SSRC: 0x9dbb7812,
|
|
},
|
|
Payload: []byte{3, 4},
|
|
},
|
|
},
|
|
[][]byte{{1, 2}},
|
|
},
|
|
} {
|
|
t.Run(ca.name, func(t *testing.T) {
|
|
d := &Decoder{}
|
|
err := d.Init()
|
|
require.NoError(t, err)
|
|
|
|
var au [][]byte
|
|
|
|
for i, pkt := range ca.pkts {
|
|
au, err = d.Decode(pkt)
|
|
if i != len(ca.pkts)-1 {
|
|
require.Equal(t, ErrMorePacketsNeeded, err)
|
|
} else {
|
|
require.NoError(t, err)
|
|
require.Equal(t, ca.au, au)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestDecoderErrorNALUSize(t *testing.T) {
|
|
d := &Decoder{}
|
|
err := d.Init()
|
|
require.NoError(t, err)
|
|
|
|
size := 0
|
|
i := uint16(0)
|
|
|
|
for size < h264.MaxAccessUnitSize {
|
|
flags := byte(0)
|
|
if size == 0 {
|
|
flags = 0b10000000
|
|
}
|
|
|
|
_, err = d.Decode(&rtp.Packet{
|
|
Header: rtp.Header{
|
|
Version: 2,
|
|
Marker: false,
|
|
PayloadType: 96,
|
|
SequenceNumber: 17645 + i,
|
|
Timestamp: 2289527317,
|
|
SSRC: 0x9dbb7812,
|
|
},
|
|
Payload: append(
|
|
[]byte{byte(h264.NALUTypeFUA), flags},
|
|
bytes.Repeat([]byte{1, 2, 3, 4}, 1400/4)...,
|
|
),
|
|
})
|
|
|
|
size += 1400
|
|
i++
|
|
}
|
|
|
|
require.EqualError(t, err, "NALU size (8388801) is too big, maximum is 8388608")
|
|
}
|
|
|
|
func TestDecoderErrorNALUCount(t *testing.T) {
|
|
d := &Decoder{}
|
|
err := d.Init()
|
|
require.NoError(t, err)
|
|
|
|
for i := 0; i <= h264.MaxNALUsPerAccessUnit; i++ {
|
|
_, err = d.Decode(&rtp.Packet{
|
|
Header: rtp.Header{
|
|
Version: 2,
|
|
Marker: false,
|
|
PayloadType: 96,
|
|
SequenceNumber: 17645,
|
|
Timestamp: 2289527317,
|
|
SSRC: 0x9dbb7812,
|
|
},
|
|
Payload: []byte{1, 2, 3, 4},
|
|
})
|
|
}
|
|
|
|
require.EqualError(t, err, "NALU count (26) exceeds maximum allowed (25)")
|
|
}
|
|
|
|
func TestDecodeErrorMissingPacket(t *testing.T) {
|
|
d := &Decoder{}
|
|
err := d.Init()
|
|
require.NoError(t, err)
|
|
|
|
_, err = d.Decode(&rtp.Packet{
|
|
Header: rtp.Header{
|
|
Version: 2,
|
|
Marker: false,
|
|
PayloadType: 96,
|
|
SequenceNumber: 17645,
|
|
SSRC: 0x9dbb7812,
|
|
},
|
|
Payload: []byte{0x1c, 0x85, 0x01, 0x02},
|
|
})
|
|
require.Equal(t, ErrMorePacketsNeeded, err)
|
|
|
|
_, err = d.Decode(&rtp.Packet{
|
|
Header: rtp.Header{
|
|
Version: 2,
|
|
Marker: false,
|
|
PayloadType: 96,
|
|
SequenceNumber: 17647,
|
|
SSRC: 0x9dbb7812,
|
|
},
|
|
Payload: []byte{0x1c, 0x05, 0x01, 0x02},
|
|
})
|
|
require.EqualError(t, err, "discarding frame since a RTP packet is missing")
|
|
}
|
|
|
|
func FuzzDecoder(f *testing.F) {
|
|
f.Fuzz(func(t *testing.T, a []byte, am bool, b []byte, bm bool) {
|
|
d := &Decoder{}
|
|
err := d.Init()
|
|
require.NoError(t, err)
|
|
|
|
au, err := d.Decode(&rtp.Packet{
|
|
Header: rtp.Header{
|
|
Marker: am,
|
|
SequenceNumber: 17645,
|
|
},
|
|
Payload: a,
|
|
})
|
|
|
|
if errors.Is(err, ErrMorePacketsNeeded) {
|
|
au, err = d.Decode(&rtp.Packet{
|
|
Header: rtp.Header{
|
|
Marker: bm,
|
|
SequenceNumber: 17646,
|
|
},
|
|
Payload: b,
|
|
})
|
|
}
|
|
|
|
if err == nil {
|
|
if len(au) == 0 {
|
|
t.Errorf("should not happen")
|
|
}
|
|
|
|
for _, nalu := range au {
|
|
if len(nalu) == 0 {
|
|
t.Errorf("should not happen")
|
|
}
|
|
}
|
|
}
|
|
})
|
|
}
|