1#define QT_FEATURE_alsa -1
2#define QT_FEATURE_directshow -1
3#define QT_FEATURE_evr -1
4#define QT_FEATURE_gpu_vivante -1
5#define QT_FEATURE_gstreamer_1_0 1
6#define QT_FEATURE_gstreamer 1
7#define QT_FEATURE_gstreamer_0_10 -1
8#define QT_FEATURE_gstreamer_app 1
9#define QT_FEATURE_gstreamer_encodingprofiles 1
10#define QT_FEATURE_gstreamer_gl 1
11#define QT_FEATURE_gstreamer_photography 1
12#define QT_FEATURE_linux_v4l 1
13#define QT_FEATURE_openal -1
14#define QT_FEATURE_pulseaudio -1
15#define QT_FEATURE_resourcepolicy -1
16#define QT_FEATURE_wasapi -1
17#define QT_FEATURE_wmf -1
18#define QT_FEATURE_wmsdk -1
19#define QT_FEATURE_wshellitem -1
20

source code of qtmultimedia/src/multimedia/qtmultimedia-config_p.h