java - Samsung Galaxy S4 rear camera slow in burst mode -


i created camera activity, provides burst" mode. means, activity takes new picture last 1 has been taken. activity based on code example provided here: https://github.com/rdasxy/android-burst-camera . measure duration between 2 methods camera.takepicture , picturecallback.onpicturetaken. app uses rear camera, discard picture data , not save it, measure camera performance.

on samsung galaxy s3 rear camera able take 4 pictures per second. new samsung galaxy s4 takes 1 (one!) picture every 800[ms] 1200[ms]. performance not change when set smallest picture size. slow performance strange, since the built in camera app able take bunch of pictures within second using highest resolution.

  • does have experience galaxy s4 rear camera , know performance drop?
  • are there undocumented camera properties specific galaxy s4?
  • can give hints higher burst-rate on galaxy s4?


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