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Add WebRTC support using libdatachannel

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The WebRTC is exposed via `/video.html` endpoint
and enabled by default as long as h264 stream
is available.
This commit is contained in:
Kamil Trzcinski
2022-08-31 19:04:54 +02:00
parent ff81088824
commit 5ee0bee59f
19 changed files with 644 additions and 87 deletions
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26
Makefile
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@ -10,9 +10,12 @@ ifneq (x,x$(shell which ccache))
CCACHE ?= ccache
endif
LIBDATACHANNEL_PATH ?= third_party/libdatachannel
USE_FFMPEG ?= $(shell pkg-config libavutil libavformat libavcodec && echo 1)
USE_LIBCAMERA ?= $(shell pkg-config libcamera && echo 1)
USE_RTSP ?= $(shell pkg-config live555 && echo 1)
USE_LIBDATACHANNEL ?= $(shell [ -e $(LIBDATACHANNEL_PATH)/CMakeLists.txt ] && echo 1)
ifeq (1,$(DEBUG))
CFLAGS += -g
@ -25,12 +28,25 @@ endif
ifeq (1,$(USE_LIBCAMERA))
CFLAGS += -DUSE_LIBCAMERA $(shell pkg-config --cflags libcamera)
LDLIBS += $(shell pkg-config --libs libcamera)
LDLIBS += $(shell pkg-config --libs libcamera)
endif
ifeq (1,$(USE_RTSP))
CFLAGS += -DUSE_RTSP $(shell pkg-config --cflags live555)
LDLIBS += $(shell pkg-config --libs live555)
LDLIBS += $(shell pkg-config --libs live555)
endif
ifeq (1,$(USE_LIBDATACHANNEL))
CFLAGS += -DUSE_LIBDATACHANNEL
CFLAGS += -I$(LIBDATACHANNEL_PATH)/include
CFLAGS += -I$(LIBDATACHANNEL_PATH)/deps/json/include
LDLIBS += -L$(LIBDATACHANNEL_PATH)/build -ldatachannel-static
LDLIBS += -L$(LIBDATACHANNEL_PATH)/build/deps/usrsctp/usrsctplib -lusrsctp
LDLIBS += -L$(LIBDATACHANNEL_PATH)/build/deps/libsrtp -lsrtp2
LDLIBS += -L$(LIBDATACHANNEL_PATH)/build/deps/libjuice -ljuice-static
LDLIBS += -lcrypto -lssl
camera-streamer: $(LIBDATACHANNEL_PATH)/build/libdatachannel-static.a
endif
HTML_SRC = $(addsuffix .c,$(HTML))
@ -40,7 +56,7 @@ OBJS = $(patsubst %.cc,%.o,$(patsubst %.c,%.o,$(SRC) $(HTML_SRC)))
all: $(TARGET)
%: cmd/% $(OBJS)
%: cmd/% $(filter-out third_party/%, $(OBJS))
$(CCACHE) $(CXX) $(CFLAGS) -o $@ $(filter-out cmd/%, $^) $(filter $</%, $^) $(LDLIBS)
install: $(TARGET)
@ -64,3 +80,7 @@ headers:
html/%.c: html/%
xxd -i $< > $@.tmp
mv $@.tmp $@
$(LIBDATACHANNEL_PATH)/build/libdatachannel-static.a: $(LIBDATACHANNEL_PATH)
[ -e $</build/Makefile ] || cmake -S $< -B $</build
$(MAKE) -C $</build datachannel-static