The in-app FFmpeg container demuxer classified every DTS variant as
plain DTS (profile-blind MIME mapping at the demux boundary), so
DTS-HD MA lost its lossless identity downstream, and it ignored
container display-aspect-ratio overrides. media3's extractors get both
right.
Delete the FFmpeg demuxer (JNI, extractor, and its setting); ExoPlayer
direct play demuxes with media3's DefaultExtractorsFactory again, and
mpv - the Android default - reads container display dimensions itself.
close#2124close#2115
The random-access demuxer added two surfaces with no gate behind them. A
download stored through SAF arrives as content://, where an index read has to
open a second descriptor while the loader holds one, and the AVIO callbacks
are reached only by name from C++, so R8 may rename them while every debug
check passes -- the shape #1703 shipped with.
FfmpegExtractorSeekTest now runs the cued fixture over a content:// URI
served by a test-only provider, and FfmpegDemuxerReachabilityTest drives
nativeOpen plus a seek through a media3-free byte source so it can run
minified. Wired into the existing R8 reachability target; verified it fails
when the FfmpegDemuxerJni$Input keep rule is removed.
scripts/ had ~80 flat files. Entry points (ci_*.sh, codegen.sh, run_tests.sh, format_native.sh, setup_hooks.sh, upload-symbols.*) and the shared pubspec_version.py stay at the root; checkers, generators, maestro tooling and release tooling move into subdirectories with their tests. Updated every reference: workflow steps, guard-test glob, Docker COPY paths and .dockerignore whitelist, website audit path, dart test imports, and regenerated the five outputs whose headers embed generator paths.
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