Equipment contains SM-G9300、SM-T820、Samsung Galaxy Tab A 8.0
Sound problems when playing videos on these devices
The video stream is encrypted by widevine. When the audio playback rate is 48KHZ and the video quality is relatively high, the sound decryption will be slower.
05-06 16:36:13.489 D/CryptoHal( 1079): found drm@1.0 ICryptoFactory clearkey
05-06 16:36:13.493 D/CryptoHal( 1079): found drm@1.0 ICryptoFactory default
05-06 16:36:13.495 D/CryptoHal( 1079): found drm@1.0 ICryptoFactory widevine
05-06 16:36:13.498 D/CryptoHal( 1079): found drm@1.1 ICryptoFactory clearkey
05-06 16:36:13.499 D/CryptoHal( 1079): found drm@1.1 ICryptoFactory widevine
queueSecureInputBuffer is slow, it takes about 30ms
dequeueOutputBuffer often returns -1, which is actually worthwhile