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Add ffmpeg H.264/MKV video recording with configurable format selection #26

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Add ffmpeg H.264/MKV video recording with configurable format selection #26

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0d25615
Initial plan
Copilot Feb 4, 2026
5a798fc
Add video recording format configuration and swscale library
Copilot Feb 4, 2026
b681f30
Implement ffmpeg-based MKV video recording functionality
Copilot Feb 4, 2026
1edbd8e
Add VIDEO_RECORDING_FORMAT configuration to keeperfx.cfg
Copilot Feb 4, 2026
b0fe9b2
Address code review feedback: improve GOP size, remove unused bit_rat…
Copilot Feb 4, 2026
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5 changes: 5 additions & 0 deletions config/keeperfx.cfg
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,11 @@ LOCK_CURSOR_IN_POSSESSION=ON
; File format in which screenshots are written; BMP or PNG.
SCREENSHOT=PNG

; File format for video recording (SHIFT-M); MKV or FLC.
; MKV provides much better compression (50-100x smaller files) and is playable in standard media players.
; FLC is the original format with larger file sizes.
VIDEO_RECORDING_FORMAT=MKV

; Run the game at high framerates while maintaining game speed.
DELTA_TIME=ON

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8 changes: 6 additions & 2 deletions deps/CMakeLists.txt
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Expand Up @@ -123,5 +123,9 @@ add_library(libswresample_static STATIC IMPORTED)
set_target_properties(libswresample_static PROPERTIES IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/ffmpeg/libswresample/libswresample.a)
set_target_properties(libswresample_static PROPERTIES INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/ffmpeg)

target_link_libraries(keeperfx PUBLIC bcrypt libavcodec_static libavformat_static libavutil_static libswresample_static)
target_link_libraries(keeperfx_hvlog PUBLIC bcrypt libavcodec_static libavformat_static libavutil_static libswresample_static)
add_library(libswscale_static STATIC IMPORTED)
set_target_properties(libswscale_static PROPERTIES IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/ffmpeg/libswscale/libswscale.a)
set_target_properties(libswscale_static PROPERTIES INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/ffmpeg)

target_link_libraries(keeperfx PUBLIC bcrypt libavcodec_static libavformat_static libavutil_static libswresample_static libswscale_static)
target_link_libraries(keeperfx_hvlog PUBLIC bcrypt libavcodec_static libavformat_static libavutil_static libswresample_static libswscale_static)
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