Precise Frame mpv Video Player

Summary:
Video player for android with rare features not found in most popular players. Focuses on precise control of the playback such as volume level, video seek, etc.

Rare Features
- Exact seek: seek video exact to the millisecond (fast forward / rewind)
- Frame step: step the video frame by frame
- Toggle display of current millisecond timestamp and frame number during playback
- Adjust seek precision: adjust how exact you want the video seek to be (precise to 1 millisecond)
- Separate volume: volume control separate from the device volume with precise volume level adjustment from 1% and option to boost volume up 1000 times (100,000%)
- Support for complex styling in Advanced SubStation Alpha subtitles, and up to 2 subtitle tracks at the same time
- Picture adjustments such as brightness, contrast, gamma, hue and saturation
- 18-band audio equaliser GUI
- Video filters such as scaling, debanding and interpolation
- Quickly capture/snapshot current frame of video as image file
- Extract and add external audio or subtitle tracks from a video URL or file

Other Features: 
- Supports most popular video and audio formats
- Adjust subtitle and audio sync/timing precise to decimal points of a second and support for large input value
- Hardware acceleration for faster performance
- Pan and zoom video
- Play video with subtitles
- Load external subtitle files
- Automatically resume playback position of videos 
- Stream videos from the URL
- Change playback speed during playback
- Convenient touch gestures to seek video and change volume
- Select video, audio and subtitle track during playback
- Adjust video aspect ratio with preset or custom values
- Lock controls
- Open file using file chooser/device explorer
- Choose whether to autohide and how long to show controls
- A-B repeat part of video
- Picture in picture mode
- Background play

Supported formats/codecs (also depends on your device hardware and Android version):

File containers:
- 3GPP (.3gp)
- AMR
- Audio Data Transport Stream (ADTS) / Advanced Audio Coding (AAC)
- Audio Video Interleave (.avi)
- Common Media Application Format (CMAF)
- DivX / XviD
- Flash Video (.flv)
- Fragmented MP4 (fMP4)
- Graphics Interchange Format (.gif)
- Matroska (.mkv)
- Ogg
- MPEG-4 (.mp4)
- MPEG-TS (.ts)
- Waveform Audio File Format (WAV)
- WebM (.webm)
- Video formats:
- AOMedia Video 1 (AV1)
- H.263
- H.264 AVC Baseline Profile (BP)
- H.264 AVC Main Profile (MP)
- H.265 HEVC
- MPEG-4 SP
- VP8
- VP9

Audio formats:
- Advanced Audio Coding Low Complexity (AAC LC)
- enhanced low delay AAC (AAC ELD )
- Dolby AC-3
- Dolby Digital Plus / Enhanced AC-3 (E-AC-3)
- Dolby TrueHD
- DTS
- DTS-HD
- Apple Lossless (ALAC)
- AMR-NB
- AMR-WB
- FLAC
- GSM
- HE-AACv1 (AAC+)
- HE-AACv2 (enhanced AAC+)
- MIDI
- MP1, MP2, MP3
- Opus
- PCM μ-law
- PCM A-law
- Vorbis
- WAV

Subtitle/closed caption formats:
- Advanced SubStation Alpha
- CEA-608
- SubRip
- SubStationAlpha (SSA) 
- SMPTE-TT
- TTML
- WebVTT

Uses the software libraries:

Apache 2.0 (http://www.apache.org/licenses/LICENSE-2.0)
- mbedtls (https://github.com/ARMmbed/mbedtls/blob/development/LICENSE)

FreeType License (FTL)
- FreeType (https://www.freetype.org/index.html)

ISC license (https://opensource.org/licenses/ISC)
- libass (https://github.com/libass/libass/blob/master/COPYING)

MIT license (https://opensource.org/licenses/mit-license.html)
- lua (https://www.lua.org/license.html)
- mpv-android (https://github.com/mpv-android/mpv-android/blob/master/LICENSE)

Old MIT license
- harfbuzz (https://github.com/harfbuzz/harfbuzz/blob/master/COPYING)

Unknown license
- dav1d (https://code.videolan.org/videolan/dav1d)

GNU Lesser General Public License, version 2.1
- FFmpeg (https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
- mpv (https://github.com/mpv-player/mpv/blob/master/LICENSE.LGPL)
- fribidi (https://github.com/fribidi/fribidi/blob/master/COPYING)
- libplacebo