Cloudflare Developers•5mo ago

negative bandwidth values for vertical video in the stream playlist

Hi! I'm streaming a video in a portrait orientation here is a link: https://customer-suqtc38zyv9qikx7.cloudflarestream.com/9d9d61e51c95ae74db424bfedbe8eab8/manifest/video.m3u8 and I get a playlist with negative Bandwidth values:

#EXT-X-VERSION:6
#EXT-X-INDEPENDENT-SEGMENTS
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="group_audio",NAME="original",LANGUAGE="en-20",DEFAULT=YES,AUTOSELECT=YES,URI="stream_t2_r999999999.m3u8?useVODOTFE=false"
#EXT-X-STREAM-INF:RESOLUTION=240x426,CODECS="avc1.42c015,mp4a.40.2",BANDWIDTH=3079460,AVERAGE-BANDWIDTH=3079460,SCORE=5.0,FRAME-RATE=30.000,AUDIO="group_audio"
stream_t1_r426001.m3u8?useVODOTFE=false
#EXT-X-STREAM-INF:RESOLUTION=360x640,CODECS="avc1.4d401e,mp4a.40.2",BANDWIDTH=2611906,AVERAGE-BANDWIDTH=2611906,SCORE=4.0,FRAME-RATE=30.000,AUDIO="group_audio"
stream_t1_r640001.m3u8?useVODOTFE=false
#EXT-X-STREAM-INF:RESOLUTION=480x854,CODECS="avc1.64001e,mp4a.40.2",BANDWIDTH=-5817243,AVERAGE-BANDWIDTH=-5817243,SCORE=3.0,FRAME-RATE=30.000,AUDIO="group_audio"
stream_t1_r854001.m3u8?useVODOTFE=false
#EXT-X-STREAM-INF:RESOLUTION=720x1280,CODECS="avc1.64001f,mp4a.40.2",BANDWIDTH=-79621661,AVERAGE-BANDWIDTH=-79621661,SCORE=2.0,FRAME-RATE=30.000,AUDIO="group_audio"
stream_t1_r1280001.m3u8?useVODOTFE=false
#EXT-X-STREAM-INF:RESOLUTION=1080x1920,CODECS="avc1.640028,mp4a.40.2",BANDWIDTH=-515538939,AVERAGE-BANDWIDTH=-515538939,SCORE=1.0,FRAME-RATE=30.000,AUDIO="group_audio"
stream_t1_r1920001.m3u8?useVODOTFE=false

#EXT-X-VERSION:6
#EXT-X-INDEPENDENT-SEGMENTS
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="group_audio",NAME="original",LANGUAGE="en-20",DEFAULT=YES,AUTOSELECT=YES,URI="stream_t2_r999999999.m3u8?useVODOTFE=false"
#EXT-X-STREAM-INF:RESOLUTION=240x426,CODECS="avc1.42c015,mp4a.40.2",BANDWIDTH=3079460,AVERAGE-BANDWIDTH=3079460,SCORE=5.0,FRAME-RATE=30.000,AUDIO="group_audio"
stream_t1_r426001.m3u8?useVODOTFE=false
#EXT-X-STREAM-INF:RESOLUTION=360x640,CODECS="avc1.4d401e,mp4a.40.2",BANDWIDTH=2611906,AVERAGE-BANDWIDTH=2611906,SCORE=4.0,FRAME-RATE=30.000,AUDIO="group_audio"
stream_t1_r640001.m3u8?useVODOTFE=false
#EXT-X-STREAM-INF:RESOLUTION=480x854,CODECS="avc1.64001e,mp4a.40.2",BANDWIDTH=-5817243,AVERAGE-BANDWIDTH=-5817243,SCORE=3.0,FRAME-RATE=30.000,AUDIO="group_audio"
stream_t1_r854001.m3u8?useVODOTFE=false
#EXT-X-STREAM-INF:RESOLUTION=720x1280,CODECS="avc1.64001f,mp4a.40.2",BANDWIDTH=-79621661,AVERAGE-BANDWIDTH=-79621661,SCORE=2.0,FRAME-RATE=30.000,AUDIO="group_audio"
stream_t1_r1280001.m3u8?useVODOTFE=false
#EXT-X-STREAM-INF:RESOLUTION=1080x1920,CODECS="avc1.640028,mp4a.40.2",BANDWIDTH=-515538939,AVERAGE-BANDWIDTH=-515538939,SCORE=1.0,FRAME-RATE=30.000,AUDIO="group_audio"
stream_t1_r1920001.m3u8?useVODOTFE=false

Negative values break some players on mobile clients. I know there was no such 'issue' a couple of days ago. Can you please confirm that it is not ok or normal? For streaming I use the latest OBS studio with a video output resolution 1080x1920. Thanks in advance for help.

2 Replies

DaniFoldi•5mo ago

Hey, I recommend posting this into the #stream channel, the team are more active over there.

paladin85OP•5mo ago

tanks, I've posted already there as well but no answers yet(

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negative bandwidth values for vertical video in the stream playlist