mirror of
https://github.com/dankamongmen/notcurses
synced 2025-03-09 09:09:03 -04:00
basic structure for libvlc backend #1101
This commit is contained in:
nick black
parent
d1fdaf7614
commit
ec63bd80ae
@ -28,18 +28,21 @@ option(USE_PANDOC "Build man pages and HTML reference with pandoc" ON)
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option(USE_POC "Build small, uninstalled proof-of-concept binaries" ON)
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option(USE_QRCODEGEN "Disable libqrcodegen QR code support" ON)
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option(USE_STATIC "Build static libraries (in addition to shared)" ON)
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set(USE_MULTIMEDIA "ffmpeg" CACHE STRING "Multimedia engine, one of 'ffmpeg', 'oiio', or 'none'")
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set_property(CACHE USE_MULTIMEDIA PROPERTY STRINGS ffmpeg oiio none)
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set(USE_MULTIMEDIA "ffmpeg" CACHE STRING "Multimedia engine, one of 'ffmpeg', 'oiio', 'vlc', or 'none'")
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set_property(CACHE USE_MULTIMEDIA PROPERTY STRINGS ffmpeg oiio vlc none)
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set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS Debug Release MinSizeRel RelWithDebInfo Coverage)
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############## END (additional) USER-SELECTABLE OPTIONS ##################
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set(USE_FFMPEG OFF)
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set(USE_OIIO OFF)
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set(USE_VLC OFF)
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if(${USE_MULTIMEDIA} STREQUAL "ffmpeg")
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set(USE_FFMPEG ON)
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elseif(${USE_MULTIMEDIA} STREQUAL "oiio")
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set(USE_OIIO ON)
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elseif(${USE_MULTIMEDIA} STREQUAL "vlc")
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set(USE_VLC ON)
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elseif(NOT ${USE_MULTIMEDIA} STREQUAL "none")
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message(FATAL_ERROR "USE_MULTIMEDIA must be one of 'oiio', 'ffmpeg', 'none' (was '${USE_MULTIMEDIA}')")
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message(FATAL_ERROR "USE_MULTIMEDIA must be 'oiio', 'ffmpeg', 'vlc', or 'none' (was '${USE_MULTIMEDIA}')")
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endif()
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if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
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@ -86,6 +89,9 @@ set_property(GLOBAL APPEND PROPERTY PACKAGES_FOUND FFMpeg)
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elseif(${USE_OIIO})
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pkg_check_modules(OIIO REQUIRED OpenImageIO>=2.1)
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set_property(GLOBAL APPEND PROPERTY PACKAGES_FOUND OpenImageIO)
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elseif(${USE_VLC})
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pkg_check_modules(VLC REQUIRED libvlc>=3.0.9)
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set_property(GLOBAL APPEND PROPERTY PACKAGES_FOUND libvlc)
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endif()
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find_library(MATH_LIBRARIES m)
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if(${USE_DOCTEST})
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@ -230,6 +236,13 @@ target_link_libraries(notcurses PRIVATE ${OIIO_LIBRARIES})
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target_link_libraries(notcurses-static PRIVATE ${OIIO_STATIC_LIBRARIES})
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target_link_directories(notcurses PRIVATE ${OIIO_LIBRARY_DIRS})
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target_link_directories(notcurses-static PRIVATE ${OIIO_STATIC_LIBRARY_DIRS})
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elseif(${USE_VLC})
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target_include_directories(notcurses PUBLIC "${VLC_INCLUDE_DIRS}")
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target_include_directories(notcurses-static PUBLIC "${VLC_STATIC_INCLUDE_DIRS}")
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target_link_libraries(notcurses PRIVATE ${VLC_LIBRARIES})
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target_link_libraries(notcurses-static PRIVATE ${VLC_STATIC_LIBRARIES})
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target_link_directories(notcurses PRIVATE ${VLC_LIBRARY_DIRS})
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target_link_directories(notcurses-static PRIVATE ${VLC_STATIC_LIBRARY_DIRS})
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endif()
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# don't want these on freebsd
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@ -533,7 +546,7 @@ target_link_libraries(notcurses-tetris
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)
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# notcurses-view
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if(${USE_FFMPEG} OR ${USE_OIIO})
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if(${USE_FFMPEG} OR ${USE_OIIO} OR ${USE_VLC})
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file(GLOB VIEWSRCS CONFIGURE_DEPENDS src/view/*.cpp)
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add_executable(notcurses-view ${VIEWSRCS})
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target_include_directories(notcurses-view
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@ -668,7 +681,7 @@ install(FILES
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DESTINATION ${PKGCONFIG_DIR}
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)
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if(${USE_FFMPEG} OR ${USE_OIIO})
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if(${USE_FFMPEG} OR ${USE_OIIO} OR ${USE_VLC})
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file(GLOB TESTDATA CONFIGURE_DEPENDS data/*)
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# Don't install source materia for self-originated multimedia
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list(FILTER TESTDATA EXCLUDE REGEX ".*xcf$")
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@ -686,7 +699,7 @@ install(TARGETS notcurses-input DESTINATION bin)
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install(TARGETS ncls DESTINATION bin)
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install(TARGETS ncneofetch DESTINATION bin)
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install(TARGETS notcurses-tetris DESTINATION bin)
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if(${USE_FFMPEG} OR ${USE_OIIO})
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if(${USE_FFMPEG} OR ${USE_OIIO} OR ${USE_VLC})
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install(TARGETS notcurses-view DESTINATION bin)
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endif()
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@ -119,6 +119,7 @@ that fine library.
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* (OPTIONAL) (build+runtime) From QR-Code-generator: [libqrcodegen](https://github.com/nayuki/QR-Code-generator) 1.5.0+
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* (OPTIONAL) (build+runtime) From [FFmpeg](https://www.ffmpeg.org/): libswscale 5.0+, libavformat 57.0+, libavutil 56.0+
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* (OPTIONAL) (build+runtime) [OpenImageIO](https://github.com/OpenImageIO/oiio) 2.15.0+
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* (OPTIONAL) (build+runtime) [libVLC](https://www.videolan.org/vlc/libvlc.html) 3.0.9+
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* (OPTIONAL) (testing) [Doctest](https://github.com/onqtam/doctest) 2.3.5+
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* (OPTIONAL) (documentation) [pandoc](https://pandoc.org/index.html) 1.19.2+
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* (OPTIONAL) (python bindings): Python 3.7+, [CFFI](https://pypi.org/project/cffi/) 1.13.2+, [pypandoc](https://pypi.org/project/pypandoc/) 1.5+
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@ -135,8 +136,8 @@ that fine library.
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The default multimedia engine is FFmpeg. You can select a different engine
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using `USE_MULTIMEDIA`. Valid values are `ffmpeg`, `oiio` (for OpenImageIO),
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or `none`. Without a multimedia engine, Notcurses will be unable to decode
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images and videos.
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`vlc` (for libVLC), or `none`. Without a multimedia engine, Notcurses will be
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unable to decode images and videos.
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Run unit tests with `make test` following a successful build. If you have unit
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test failures, *please* file a bug including the output of
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@ -182,7 +183,7 @@ but must be `Debug` for use of `USE_COVERAGE`.
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* `USE_COVERAGE`: build coverage support (for developers, requires use of Clang)
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* `USE_DOCTEST`: build `notcurses-tester` with Doctest, requires `BUILD_TESTING`
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* `USE_DOXYGEN`: build interlinked HTML documentation with Doxygen
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* `USE_MULTIMEDIA`: `ffmpeg` for FFmpeg, `oiio` for OpenImageIO, `none` for none
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* `USE_MULTIMEDIA`: `ffmpeg` for FFmpeg, `oiio` for OpenImageIO, `vlc` for libVLC, `none` for none
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* `USE_PANDOC`: build man pages with pandoc
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* `USE_POC`: build small, uninstalled proof-of-concept binaries
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* `USE_QRCODEGEN`: build qrcode support via libqrcodegen
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56
src/lib/vlc.cpp
Normal file
56
src/lib/vlc.cpp
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@ -0,0 +1,56 @@
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#include "builddef.h"
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#ifdef USE_VLC
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#include "ffmpeg.h"
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#include "internal.h"
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#include "visual-details.h"
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bool notcurses_canopen_images(const notcurses* nc __attribute__ ((unused))) {
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return true;
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}
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bool notcurses_canopen_videos(const notcurses* nc __attribute__ ((unused))) {
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return true;
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}
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auto ncvisual_subtitle(const ncvisual* ncv) -> char* {
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return nullptr;
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}
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int ncvisual_decode(ncvisual* nc){
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return -1;
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}
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// resize frame to oframe, converting to RGBA (if necessary) along the way
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int ncvisual_resize(ncvisual* nc, int rows, int cols) {
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return -1;
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}
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ncvisual* ncvisual_from_file(const char* filename) {
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return nullptr;
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}
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// iterate over the decoded frames, calling streamer() with curry for each.
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// frames carry a presentation time relative to the beginning, so we get an
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// initial timestamp, and check each frame against the elapsed time to sync
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// up playback.
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int ncvisual_stream(notcurses* nc, ncvisual* ncv, float timescale,
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streamcb streamer, const struct ncvisual_options* vopts,
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void* curry) {
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return -1;
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}
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int ncvisual_decode_loop(ncvisual* ncv){
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return -1;
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}
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int ncvisual_blit(ncvisual* ncv, int rows, int cols, ncplane* n,
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const struct blitset* bset, int placey, int placex,
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int begy, int begx, int leny, int lenx,
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bool blendcolors) {
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return -1;
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}
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int ncvisual_init(int loglevel) {
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return -1;
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}
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#endif
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