Avidemux 2.7.4

What's new in this version:

- New Feature:Detect and warn when cut points in H.264 video streams may result in playback issues despite being on keyframes
- FFmpeg:Update to the 4.1.4 release
- Core:Fix MSVC++ builds do not run when the path to user directory contains non-ASCII characters
- Decoder:Fix DXVA2 HW accelerated decoding on Windows 7
- Decoder:Fix DXVA2 HW accelerated decoding stops sometimes on cuts
- Decoder:Enable HW accelerated decoding of 8-bit HEVC for recent versions of Intel graphics driver on Windows
- Encoder:Fix regression with saved x264 and x265 profiles not found (MSVC++ only)
- Demuxer:Dynamically load VapourSynth Script library to avoid error messages on Windows if VapourSynth is not found
- Demuxer:Provide correct average audio bitrate in the Mp4 demuxer if the exact value for the particular codec is unknown
- Demuxer:Fix crash loading MP4 file with number of audio tracks exceeding the max supported
- Demuxer:Support audio tracks in fragmented MP4 files (the variety with empty moov only)
- Demuxer:Support E-AC3 audio tracks in MP4 files
- Demuxer:Fix ASF demuxer still broken by chance with MSVC++ only, the fix relevant for all platforms
- Demuxer:Support more varieties of BMP images
- Muxer:Optimize output of the Mp4 muxer for streaming on Windows too
- Muxer:Add option to the Mp4 muxer to output fragmented MP4 files
- Muxer:Label HEVC video in Mp4 in a way compatible with QuickTime on macOS
- Filter:Fix assembly in Yadif deinterlacer with MSVC++
- UI:Enable automatic application scaling on Windows for recent Qt versions
- UI:Fix silent mode, automatically confirm dialogs instead of choosing the default option
- Audio:Support WMAPRO audio codec for decoding
- Audio:Support AAC with signal band replication (SBR) in external audio tracks
- Audio:Fix saving AAC audio tracks with SBR to a file
- Audio:Improve resilience to false positives when probing external audio files for AAC
- Miscellaneous:Fix crash with OpenGL or DXVA2 video output in 32 bits Avidemux on Windows (better late than never)
- Miscellaneous:Fix regressed handling of empty frames in MPEG-4 and FRAPS video streams
- Miscellaneous:Numerous other fixes and polish