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Hi Riva,
I looked at the DASH and HLS content. Both streams have identical sized segments (.ts for HLS and .mp4 for DASH) and amount to 4-5 Mbps average based on segment length. The reason you are seeing different bandwidth values in the player is most likely because the player is not calculating actual bitrate but showing whats indicated in the manifest.
For DASH it is picking the bandwidth attribute from the Representation tag
<Representation id="1" width="1920" height="1080" bandwidth="8000000" codecs="avc1.640028">
and for HLS it is picking the average bandwidth attribute
#EXT-X-STREAM-INF:BANDWIDTH=8350133,AVERAGE-BANDWIDTH=4952555,CODECS="avc1.640028,mp4a.40.2",RESOLUTION=1920x1080,FRAME-RATE=25.000,AUDIO="stereo"
As far as the actual segment bandwidth is concerned, it looks consistent between HLS and DASH.
file | bandwidth |
---|---|
hlsvideo_1080_00002.ts | 3.4MB |
hlsvideo_1080_00001.ts | 5.4MB |
dashvideo_1080_000000002.mp4 | 3.3MB |
dashvideo_1080_000000001.mp4 | 5.3MB |
respondido há 2 anos
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