mpv:
- Set ao=audiotrack explicitly so the AudioTrack output is guaranteed
(avoids openSLES which lacks encoded passthrough)
- Add audio-channels=7.1,5.1,stereo so mpv negotiates multichannel
instead of defaulting to auto-safe stereo downmix
- Build audio-spdif at init time by querying AudioManager output device
encodings; only advertises AC3/E-AC3/DTS/DTS-HD/TrueHD formats the
device actually reports
ExoPlayer:
- Guard setVideoEffects(emptyList()) behind a videoEffectsActive flag:
only call it when IptPqc2ToneMapEffect was actually installed, never
on a clean path — the empty-list call triggers the GL VideoFrameProcessor
pipeline in media3 1.10.1 which tone-maps HDR even for an empty effect list
- detectPreferredVideoMimeType now accepts Context and checks display +
decoder DV capability first; on fully DV-capable devices it returns
VIDEO_DOLBY_VISION so DV variant tracks are preferred rather than
deprioritized behind H.265/H.264
