StreamTest
A+

master

https://devstreaming-cdn.apple.com/videos/streaming/examples/img_bipbop_adv_example_fmp4/master.m3u8

Online with no problems detected

General

Status
Online
Type
HLS
Container
hls
Preview
5s clip

Video stream

Codec
h264
Profile
High
Level
32
Resolution
960×540
Aspect ratio
16:9
Frame rate
60 fps
Bitrate
335 kbps
Pixel format
yuv420p

Audio stream

Codec
aac
Profile
LC
Sample rate
48000 Hz
Channels
2
Layout
stereo
Bitrate
60 kbps
Language
en

Healthy

0 failing, 0 warnings, 12 passing

Playlist type
Master
Variants
24
Renditions
5
Bitrate range
541 kbps – 8.22 Mbps
I-frame variants
6

Used for trick play

Version
6
  • Pass

    ABR ladder has multiple renditions

    24 variant streams are available for adaptive switching.

    variantCount
    24

    hls.ladder.sizeWhat this means →

  • Pass

    Ladder bitrates increase with resolution

    Bandwidth rises consistently with resolution across the ladder.

    hls.ladder.bitrate-inversionWhat this means →

  • Pass

    Ladder has no oversized bitrate gap

    Adjacent ladder rungs are within a comfortable bitrate ratio.

    hls.ladder.gapWhat this means →

  • Pass

    Every variant declares CODECS

    Every variant declares a CODECS attribute.

    hls.ladder.missing-codecsWhat this means →

  • Pass

    Every variant declares RESOLUTION

    Every variant declares a RESOLUTION attribute.

    hls.ladder.missing-resolutionWhat this means →

  • Pass

    No duplicate resolutions in the ladder

    Every ladder rung is distinguishable from the others.

    hls.ladder.duplicate-resolutionWhat this means →

  • Pass

    AVERAGE-BANDWIDTH does not exceed BANDWIDTH

    AVERAGE-BANDWIDTH is within BANDWIDTH on every variant.

    hls.ladder.average-exceeds-peakWhat this means →

  • Pass

    Variants declare FRAME-RATE

    Video variants declare FRAME-RATE.

    hls.ladder.missing-frame-rateWhat this means →

  • Pass

    Variant rendition groups all resolve

    Every rendition group referenced by a variant is declared.

    hls.renditions.dangling-groupWhat this means →

  • Pass

    Each rendition group has exactly one DEFAULT

    Each rendition group nominates exactly one default.

    hls.renditions.defaultWhat this means →

  • Pass

    Renditions declare LANGUAGE

    Audio and subtitle renditions declare a LANGUAGE.

    hls.renditions.languageWhat this means →

  • Pass

    EXT-X-INDEPENDENT-SEGMENTS is declared

    EXT-X-INDEPENDENT-SEGMENTS is declared.

    hls.master.independent-segmentsWhat this means →