StreamTest
C

ttv hls

https://stream.twoja.tv/ttv_hls/live.m3u8

Minor issues — 1 failing, 2 warnings

General

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

Video stream

Codec
h264
Level
-99
Resolution
0×0

Audio stream

Codec
aac
Sample rate
0 Hz
Channels
0

Problems found

1 failing, 2 warnings, 9 passing

Playlist type
Master
Variants
3
Renditions
0
Bitrate range
1.00 Mbps – 4.00 Mbps
I-frame variants
0

Used for trick play

Version
3
  • Fail

    Every variant declares CODECS

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

    variants
    live_720p/index.m3u8 live_360p/index.m3u8 live_270p/index.m3u8

    hls.ladder.missing-codecsWhat this means →

  • Warn

    Variants declare FRAME-RATE

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

    variants
    live_720p/index.m3u8 live_360p/index.m3u8 live_270p/index.m3u8

    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

    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

    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 →