/Users/wzw/Downloads/pjproject-2.7.2:
$cp pjlib/include/pj/config_site_sample.h pjlib/include/pj/config_site.h
$vi pjlib/include/pj/config_site.h
#define PJMEDIA_HAS_VID_TOOLBOX_CODEC 1
#define PJMEDIA_HAS_VIDEO 1
#define PJMEDIA_VIDEO_DEV_HAS_SDL 1
#define PJMEDIA_VIDEO_DEV_SDL_HAS_OPENGL 1
#define PJMEDIA_VIDEO_DEV_HAS_DSHOW 0
#define PJMEDIA_HAS_FFMPEG 1
#undef PJMEDIA_USE_OLD_FFMPEG
#define FF_INPUT_BUFFER_PADDING_SIZE 32
$vi user.mak
# You can create user.mak file in PJ root directory to specify
# additional flags to compiler and linker. For example:
export CFLAGS += -Wno-unused-label
#export CFLAGS += -Wno-unused-label -Werror
export LDFLAGS += -framework OpenGL
$sudo port install ffmpeg
$brew install SDL2
$./configure --with-ffmpeg=/opt/local --with-sdl=/opt/local
$make
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/Users/wzw/Downloads/pjproject-2.7.2/pjsip-apps/bin/samples/x86_64-apple-darwin17.7.0:
wget http://samples.mplayerhq.hu/avi/2-audio-streams.avi
zwdeMacBook-Pro:x86_64-apple-darwin17.7.0 wzw$ ./aviplay ./2-audio-streams.avi
16:46:52.581 os_core_unix.c !pjlib 2.7.2 for POSIX initialized
16:46:52.638 darwin_dev.m Darwin video initialized with 1 devices:
16:46:52.639 darwin_dev.m 0: [Capturer] AVF - FaceTime HD Camera
16:46:52.674 sdl_dev.c SDL 2.0 initialized
16:46:52.674 colorbar_dev.c Colorbar video src initialized with 2 device(s):
16:46:52.674 colorbar_dev.c 0: Colorbar generator
16:46:52.674 colorbar_dev.c 1: Colorbar-active
16:46:52.855 coreaudio_dev.c core audio detected 2 devices
16:46:52.856 coreaudio_dev.c dev_id 0: Built-in Output (in=0, out=2) 44100Hz
16:46:52.856 coreaudio_dev.c dev_id 1: Built-in Microphone (in=2, out=0) 44100Hz
16:46:52.856 coreaudio_dev.c core audio initialized
16:46:52.862 avi_player.c The AVI file has 3 streams.
16:46:52.862 avi_player.c Unsupported audio stream
16:46:52.862 avi_player.c Unsupported audio stream
16:46:52.862 avi_player.c AVI file player './2-audio-streams.avi' created with 1 media ports
16:46:52.867 vid_port.c Opening device SDL renderer [SDL] for render: format=I420, size=624x272 @24000:1001 fps
16:46:52.997 vid_port.c Device SDL renderer [SDL] opened: format=I420, size=624x272 @24000:1001 fps
16:46:52.997 sdl_dev.c Starting sdl video stream/opt/local 为FFMPEG SDL2的安装目录