MuxImageListEmit  662 3rdparty/libwebp/mux/muxedit.c   dst = MuxImageListEmit(mux->images_, dst);
MuxImageListEmit  222 3rdparty/libwebp/mux/muxi.h uint8_t* MuxImageListEmit(const WebPMuxImage* wpi_list, uint8_t* dst);