StreamTest
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C

Страна ФМ

https://live-stranafm.cdnvideo.ru/stranafm/smil:stranafm.smil/playlist.m3u8

Minor issues — 1 failing, 2 warnings

General

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

Video stream

Codec
h264
Profile
High
Level
31
Resolution
1280×720
Aspect ratio
16:9
Frame rate
30 fps
Pixel format
yuv420p

Audio stream

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

Manifest audit

Open the full HLS analyzer →

Problems found

1 failing, 2 warnings, 9 passing

Playlist type
Master
Variants
2
Renditions
0
Bitrate range
778 kbps – 1.63 Mbps
I-frame variants
0

Used for trick play

Version
3
  • Fail

    Every variant declares CODECS

    2 variant(s) omit CODECS, forcing players to download a segment before they can judge compatibility.

    variants
    99ee104b38f852cdee1e10c0807eda2c--stranafm--stranafm_hd.sdp--tracks-v1a1--mono.m3u8?hls_proxy_host=4cf1db3cb92056e052625ba031e2e718 e3a1eab0e070f2cacc3b6fabb4de176c--stranafm--stranafm.sdp--tracks-v1a1--mono.m3u8?hls_proxy_host=4cf1db3cb92056e052625ba031e2e718

    hls.ladder.missing-codecsWhat this means →

  • Warn

    Variants declare FRAME-RATE

    2 video variant(s) omit FRAME-RATE, which some devices use to rule out unsupported high-frame-rate renditions.

    variants
    99ee104b38f852cdee1e10c0807eda2c--stranafm--stranafm_hd.sdp--tracks-v1a1--mono.m3u8?hls_proxy_host=4cf1db3cb92056e052625ba031e2e718 e3a1eab0e070f2cacc3b6fabb4de176c--stranafm--stranafm.sdp--tracks-v1a1--mono.m3u8?hls_proxy_host=4cf1db3cb92056e052625ba031e2e718

    hls.ladder.missing-frame-rateWhat 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

    2 variant streams are available for adaptive switching.

    variantCount
    2

    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 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

    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 →