HLS Validation Report (General, tvOS, iOS, macOS, AirPlay 2)
Stream type: VOD
h264.m3u8
Rendition Overview
| Group ID |
# |
Max Rate |
Avg Rate |
Type |
Name |
Audio |
Channels |
Sample Rate |
Audio Loudness Info Present |
Audio Loudness Info Consistent |
Lang. |
Encryption |
% Proc. |
| default-audio-group |
1 |
168 |
164 |
Audio |
stream_2 |
AAC-LC |
Stereo |
44100 |
False |
True |
- |
- |
100% |
| ↳ |
2 |
72 |
68 |
Audio |
stream_4 |
AAC-LC |
Stereo |
44100 |
False |
True |
- |
- |
100% |
Average duration processed: 0:00:26
I-Frame Variant Overview
| Video ID |
# |
Max Rate |
% Diff. |
PL Avg Rate |
Avg Rate |
% Diff |
Scaled Avg |
Mult. |
Resolution |
DR |
IDR Int. |
IDR Std Dev. |
Codec |
Profile |
Level |
Encryption |
% Proc. |
|
3 |
9 |
0.0% |
8 |
8 |
0.0% |
372 |
48x |
256 x 144 |
SDR |
6.000 |
0.000 |
AVC |
High |
1.2 |
- |
100% |
|
4 |
177 |
-34.9% |
249 |
172 |
-30.8% |
8268 |
48x |
256 x 144 |
SDR |
6.000 |
0.000 |
AVC |
High |
1.2 |
- |
100% |
|
5 |
25 |
0.0% |
20 |
20 |
0.0% |
974 |
48x |
640 x 360 |
SDR |
6.000 |
0.000 |
AVC |
High |
3 |
- |
100% |
|
6 |
193 |
-67.5% |
470 |
185 |
-60.7% |
8869 |
48x |
640 x 360 |
SDR |
6.000 |
0.000 |
AVC |
High |
3 |
- |
100% |
|
7 |
54 |
0.0% |
42 |
42 |
0.0% |
1998 |
48x |
1280 x 720 |
SDR |
6.000 |
0.000 |
AVC |
High |
3.1 |
- |
100% |
|
8 |
222 |
-82.9% |
979 |
206 |
-79.0% |
9894 |
48x |
1280 x 720 |
SDR |
6.000 |
0.000 |
AVC |
High |
3.1 |
- |
100% |
|
9 |
79 |
0.0% |
60 |
60 |
0.0% |
2878 |
48x |
1920 x 1080 |
SDR |
6.000 |
0.000 |
AVC |
High |
4.2 |
- |
100% |
|
10 |
247 |
-88.2% |
1637 |
224 |
-86.3% |
10773 |
48x |
1920 x 1080 |
SDR |
6.000 |
0.000 |
AVC |
High |
4.2 |
- |
100% |
Average duration processed: 0:00:26
Checked against HLS Authoring Specification for Apple Devices
General requirements
Must Fix Issues
1. Measured average bitrate compared to master playlist declared value exceeds error tolerance
- Master Playlist Stream Definition for I-Frame #4
- Master Playlist Stream Definition for I-Frame #6
- Master Playlist Stream Definition for I-Frame #8
- Master Playlist Stream Definition for I-Frame #10
2. Measured peak bitrate compared to master playlist declared value exceeds error tolerance
- Master Playlist Stream Definition for I-Frame #4
- Master Playlist Stream Definition for I-Frame #6
- Master Playlist Stream Definition for I-Frame #8
- Master Playlist Stream Definition for I-Frame #10
3. The LANGUAGE attribute MUST be included in every EXT-X-MEDIA tag that does not have TYPE=VIDEO
- Master Playlist Stream Definition for All Renditions
4. The server MUST deliver playlists using gzip content-encoding
- All Renditions
- All I-Frame Variants
- Master Playlist
5. You MUST provide multiple bit rates of video
Should Fix Issues
6. Captions SHOULD be provided with your streams to make content accessible to the deaf or hard of hearing.
7. You SHOULD have one frame per second "dense" I-frame renditions.
8. You SHOULD support stream failover
9. Media segments SHOULD be delivered over TLS
- All Renditions
- All I-Frame Variants
10. Content protection SHOULD follow the FairPlay Streaming (FPS) specification
- All Renditions
- All I-Frame Variants
11. Target durations SHOULD be 6 seconds.
12. (Segment) You SHOULD use the recommended MIME types.
- All Renditions, Received: audio/x-m4a, Expected audio/mp4
13. Audio loudness information SHOULD be provided
Additional requirements for iOS
Must Fix Issues
14. Master playlists that are delivered over cellular networks MUST contain a variant whose peak BANDWIDTH is less than or equal to 192kb/s.
Report Information
| MediaStreamValidator version: |
1.9 (522.7-210603) |
| Report generator version: |
1.9 (522.7-210603) |
| Report generation date: |
08/20/21 12:25:41 |
| JSON format version: |
1.1 |
| JSON data timestamp: |
08/20/21 12:25:40 |
Note on tables: all bitrates are expressed in kb/s, IDs for default startup variants are highlighted in dark grey, entries annotated with an asterisk ('*') do not have a consistent value over the entire stream, entries in parentheses are from master playlist rather than media.