lavd: Add KMS screen grabber

Changelog

@@ -47,6 +47,7 @@ version <next>:
 - SUP/PGS subtitle muxer
 - convolve video filter
 - VP9 tile threading support
+- KMS screen grabber
 
 version 3.3:
 - CrystalHD decoder moved to new decode API

configure

@@ -3050,6 +3050,7 @@ gdigrab_indev_select="bmp_decoder"
 iec61883_indev_deps="libiec61883"
 jack_indev_deps="jack"
 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
+kmsgrab_indev_deps="libdrm"
 lavfi_indev_deps="avfilter"
 libcdio_indev_deps="libcdio"
 libdc1394_indev_deps="libdc1394"

libavdevice/Makefile

@@ -32,6 +32,7 @@ OBJS-$(CONFIG_FBDEV_OUTDEV)              += fbdev_enc.o \
 OBJS-$(CONFIG_GDIGRAB_INDEV)             += gdigrab.o
 OBJS-$(CONFIG_IEC61883_INDEV)            += iec61883.o
 OBJS-$(CONFIG_JACK_INDEV)                += jack.o timefilter.o
+OBJS-$(CONFIG_KMSGRAB_INDEV)             += kmsgrab.o
 OBJS-$(CONFIG_LAVFI_INDEV)               += lavfi.o
 OBJS-$(CONFIG_OPENAL_INDEV)              += openal-dec.o
 OBJS-$(CONFIG_OPENGL_OUTDEV)             += opengl_enc.o

libavdevice/alldevices.c

@@ -53,6 +53,7 @@ static void register_all(void)
     REGISTER_INDEV   (GDIGRAB,          gdigrab);
     REGISTER_INDEV   (IEC61883,         iec61883);
     REGISTER_INDEV   (JACK,             jack);
+    REGISTER_INDEV   (KMSGRAB,          kmsgrab);
     REGISTER_INDEV   (LAVFI,            lavfi);
     REGISTER_INDEV   (OPENAL,           openal);
     REGISTER_OUTDEV  (OPENGL,           opengl);

libavdevice/version.h

@@ -29,7 +29,7 @@
 
 #define LIBAVDEVICE_VERSION_MAJOR  57
 #define LIBAVDEVICE_VERSION_MINOR   8
-#define LIBAVDEVICE_VERSION_MICRO 100
+#define LIBAVDEVICE_VERSION_MICRO 101
 
 #define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_MAJOR, \
                                                LIBAVDEVICE_VERSION_MINOR, \