h264-stream_test.js
1.89 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
module('H264 Stream');
var
nalUnitTypes = window.videojs.hls.NALUnitType,
FlvTag = window.videojs.hls.FlvTag;
test('metadata is generated for IDRs after a full NAL unit is written', function() {
var
h264Stream = new videojs.hls.H264Stream(),
accessUnitDelimiter = new Uint8Array([
0x00,
0x00,
0x01,
nalUnitTypes.access_unit_delimiter_rbsp
]),
seqParamSet = new Uint8Array([
0x00,
0x00,
0x01,
0x60 | nalUnitTypes.seq_parameter_set_rbsp,
0x00, // profile_idc
0x00, // constraint_set flags
0x00, // level_idc
// seq_parameter_set_id ue(v) 0 => 1
// log2_max_frame_num_minus4 ue(v) 1 => 010
// pic_order_cnt_type ue(v) 0 => 1
// log2_max_pic_order_cnt_lsb_minus4 ue(v) 1 => 010
// max_num_ref_frames ue(v) 1 => 010
// gaps_in_frame_num_value_allowed u(1) 0
// pic_width_in_mbs_minus1 ue(v) 0 => 1
// pic_height_in_map_units_minus1 ue(v) 0 => 1
// frame_mbs_only_flag u(1) 1
// direct_8x8_inference_flag u(1) 0
// frame_cropping_flag u(1) 0
// vui_parameters_present_flag u(1) 0
// 1010 1010 0100 1110 00(00 0000)
0xAA,
0x4E,
0x00
]),
idr = new Uint8Array([
0x00,
0x00,
0x01,
nalUnitTypes.slice_layer_without_partitioning_rbsp_idr
]);;
h264Stream.setNextTimeStamp(0, 0, true);
h264Stream.writeBytes(accessUnitDelimiter, 0, accessUnitDelimiter.byteLength);
h264Stream.writeBytes(seqParamSet, 0, seqParamSet.byteLength);
h264Stream.writeBytes(idr, 0, idr.byteLength);
h264Stream.setNextTimeStamp(1, 1, true);
strictEqual(h264Stream.tags.length, 3, 'three tags are written');
ok(FlvTag.isMetaData(h264Stream.tags[0].bytes),
'metadata is written');
ok(FlvTag.isVideoFrame(h264Stream.tags[1].bytes),
'picture parameter set is written');
ok(h264Stream.tags[2].keyFrame, 'key frame is written');
});