StreamTest
A

Салям (Уфа) (576p)

https://bsttv.bonus-tv.ru/cdn/salyam/playlist.m3u8

Online — 0 failing, 2 warnings

General

Status
Online
Type
HLS
Container
hls
Preview
5s clip
Fetched via
Proxy

Video stream

Codec
h264
Profile
Main
Level
31
Resolution
1024×576
Aspect ratio
16:9
Frame rate
25 fps
Pixel format
yuv420p

Audio stream

Codec
aac
Profile
LC
Sample rate
48000 Hz
Channels
2
Layout
stereo

Works, with caveats

0 failing, 2 warnings, 10 passing

Playlist type
Master
Variants
3
Renditions
0
Bitrate range
1.03 Mbps – 4.86 Mbps
I-frame variants
0

Used for trick play

Version
—
  • Warn

    Ladder has no oversized bitrate gap

    1 adjacent rung pair(s) jump by more than 2.5x, which causes visible quality swings when switching.

    gaps
    1.81 Mbps to 4.86 Mbps (2.7x)

    hls.ladder.gapWhat this means →

  • Warn

    EXT-X-INDEPENDENT-SEGMENTS is declared

    EXT-X-INDEPENDENT-SEGMENTS is absent, so players must assume segments depend on each other and may seek and switch more conservatively.

    hls.master.independent-segmentsWhat this means →

  • Pass

    ABR ladder has multiple renditions

    3 variant streams are available for adaptive switching.

    variantCount
    3

    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

    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 →