Add dependency on libavdevice when building with ffmpeg support, register in ffmpeg_init

CMakeLists.txt

@@ -107,6 +107,7 @@ set_package_properties(terminfo PROPERTIES TYPE REQUIRED)
 set(PKGCONF_REQ_PRIV "${TERMINFO_LIBRARIES}")
 if(${USE_FFMPEG})
 pkg_check_modules(AVCODEC REQUIRED libavcodec>=57.0)
+pkg_check_modules(AVDEVICE REQUIRED libavdevice>=57.0)
 pkg_check_modules(AVFORMAT REQUIRED libavformat>=57.0)
 pkg_check_modules(AVUTIL REQUIRED libavutil>=56.0)
 pkg_check_modules(SWSCALE REQUIRED libswscale>=5.0)
@@ -362,6 +363,7 @@ if(${USE_FFMPEG})
 target_include_directories(notcurses
   PRIVATE
     "${AVCODEC_INCLUDE_DIRS}"
+    "${AVDEVICE_INCLUDE_DIRS}"
     "${AVFORMAT_INCLUDE_DIRS}"
     "${AVUTIL_INCLUDE_DIRS}"
     "${SWSCALE_INCLUDE_DIRS}"
@@ -369,6 +371,7 @@ target_include_directories(notcurses
 target_include_directories(notcurses-static
   PRIVATE
     "${AVCODEC_STATIC_INCLUDE_DIRS}"
+    "${AVDEVICE_STATIC_INCLUDE_DIRS}"
     "${AVFORMAT_STATIC_INCLUDE_DIRS}"
     "${AVUTIL_STATIC_INCLUDE_DIRS}"
     "${SWSCALE_STATIC_INCLUDE_DIRS}"
@@ -376,6 +379,7 @@ target_include_directories(notcurses-static
 target_link_libraries(notcurses
   PRIVATE
     "${AVCODEC_LIBRARIES}"
+    "${AVDEVICE_LIBRARIES}"
     "${AVFORMAT_LIBRARIES}"
     "${SWSCALE_LIBRARIES}"
     "${AVUTIL_LIBRARIES}"
@@ -383,6 +387,7 @@ target_link_libraries(notcurses
 target_link_libraries(notcurses-static
   PRIVATE
     "${AVCODEC_STATIC_LIBRARIES}"
+    "${AVDEVICE_STATIC_LIBRARIES}"
     "${AVFORMAT_STATIC_LIBRARIES}"
     "${SWSCALE_STATIC_LIBRARIES}"
     "${AVUTIL_STATIC_LIBRARIES}"
@@ -390,6 +395,7 @@ target_link_libraries(notcurses-static
 target_link_directories(notcurses
   PRIVATE
     "${AVCODEC_LIBRARY_DIRS}"
+    "${AVDEVICE_LIBRARY_DIRS}"
     "${AVFORMAT_LIBRARY_DIRS}"
     "${SWSCALE_LIBRARY_DIRS}"
     "${AVUTIL_LIBRARY_DIRS}"
@@ -397,6 +403,7 @@ target_link_directories(notcurses
 target_link_directories(notcurses-static
   PRIVATE
     "${AVCODEC_STATIC_LIBRARY_DIRS}"
+    "${AVDEVICE_STATIC_LIBRARY_DIRS}"
     "${AVFORMAT_STATIC_LIBRARY_DIRS}"
     "${SWSCALE_STATIC_LIBRARY_DIRS}"
     "${AVUTIL_STATIC_LIBRARY_DIRS}"

INSTALL.md

@@ -16,13 +16,13 @@ There are no submodules. Dependencies are fairly minimal.
 
 Install build dependencies:
 
-`apt-get install build-essential cmake doctest-dev libavformat-dev libavutil-dev libdeflate-dev libgpm-dev libncurses-dev libqrcodegen-dev libswscale-dev libunistring-dev pandoc pkg-config`
+`apt-get install build-essential cmake doctest-dev libavformat-dev libavdevice-dev libavutil-dev libdeflate-dev libgpm-dev libncurses-dev libqrcodegen-dev libswscale-dev libunistring-dev pandoc pkg-config`
 
-If you only intend to build core Notcurses (without multimedia support), you
+If you only intend to build core Notcurses (without multimedia support), you can
-can omit `libavformat-dev`, `libavutil-dev`, and `libswscale-dev` from this
+omit `libavformat-dev`, `libavdevice-dev`, `libavutil-dev`, and `libswscale-dev`
-list. `zlib1g-dev` can be substituted for `libdeflate-dev`; build with
+from this list. `zlib1g-dev` can be substituted for `libdeflate-dev`; build with
-`-DUSE_DEFLATE=off` in this case. If you don't want to generate QR codes, you can
+`-DUSE_DEFLATE=off` in this case. If you don't want to generate QR codes, you
-omit 'libqrcodegen-dev'.
+can omit 'libqrcodegen-dev'.
 
 If you want to build the Python wrappers, you'll also need:
 

src/media/ffmpeg.c

@@ -9,6 +9,7 @@
 #include <libavutil/rational.h>
 #include <libswscale/swscale.h>
 #include <libswscale/version.h>
+#include <libavdevice/avdevice.h>
 #include <libavformat/version.h>
 #include <libavformat/avformat.h>
 #include "lib/visual-details.h"
@@ -691,17 +692,19 @@ ffmpeg_log_level(int level){
 static int
 ffmpeg_init(int logl){
   av_log_set_level(ffmpeg_log_level(logl));
+  avdevice_register_all();
   // FIXME could also use av_log_set_callback() and capture the message...
   return 0;
 }
 
 static void
 ffmpeg_printbanner(fbuf* f){
-  fbuf_printf(f, "avformat %u.%u.%u avutil %u.%u.%u swscale %u.%u.%u avcodec %u.%u.%u" NL,
+  fbuf_printf(f, "avformat %u.%u.%u avutil %u.%u.%u swscale %u.%u.%u avcodec %u.%u.%u avdevice %u.%u.%u" NL,
               LIBAVFORMAT_VERSION_MAJOR, LIBAVFORMAT_VERSION_MINOR, LIBAVFORMAT_VERSION_MICRO,
               LIBAVUTIL_VERSION_MAJOR, LIBAVUTIL_VERSION_MINOR, LIBAVUTIL_VERSION_MICRO,
               LIBSWSCALE_VERSION_MAJOR, LIBSWSCALE_VERSION_MINOR, LIBSWSCALE_VERSION_MICRO,
-              LIBAVCODEC_VERSION_MAJOR, LIBAVCODEC_VERSION_MINOR, LIBAVCODEC_VERSION_MICRO);
+              LIBAVCODEC_VERSION_MAJOR, LIBAVCODEC_VERSION_MINOR, LIBAVCODEC_VERSION_MICRO,
+              LIBAVDEVICE_VERSION_MAJOR, LIBAVDEVICE_VERSION_MINOR, LIBAVDEVICE_VERSION_MICRO);
 }
 
 static void